So then I run e2fsck to check the filesystem. In fact, this is related to the data writing behaviour of the embedded Linux system. There seem to be loads of people with this problem on blogs spouting incorrect solutions involving registry permissions, UAC and other non working fixes. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running. 718458] e2fsck[12411]: segfault at 8577000 ip 00000000f726cdad sp. I have a feeling this is going to be related to my mountpoints somehow due to mount -l showing the wrong drive (md1 instead of sda1) But I am no expert. 0 out of 10 based on 1 rating. It's annoying. ext3: Bad magic number in super-block while trying to open /dev/sdb3 The superblock could not be read or does not describe a correct ext2 filesystem. I was getting input\output errors when trying to run "du -hc" on the system which led me to look at the /var/log files (used dmesg command). Please, participate and enjoy! # e2fsck_64 -fp -C 0 -b 32768 /dev/mapper/cachedev1 Data: recovering journal Data: Superblock needs_recovery flag is clear, but journal has data. [~] # e2fsck -b 98304 /dev/md0 e2fsck 1. It is suggested that you run "check disk". Remove the HDD(s) 2. I don't want to loose my data but I have not enough space to backup all and it is very long to backup because of the very small CPU which is working a lot to compute the files missing part. of course after the "adding extra swap" ceremony, because it quickly throws a "memory allocation error" otherwise:. The Thecus OS created a md126 (JBOD) array. This is less important after unmounting a filesystem, but is important if the /dev/md0 is accessed directly rather than through a filesystem (for example, by e2fsck). ohne Vorwarnung abstürzte, steht der Status des logischen Datenträgers auf entladen. I got one to provide my parents with an uncomplicated squeezebox setup this Christmas. Number 8 is is not necessarily true. IF YOU HAVE CRİTİCAL DATA ON QNAP, PLEASE CONTACT WİTH QNAP TAIWAN SUPPORT. Select on the data volume and click [Manage] button. 11 (14-Mar-2010) Using EXT2FS Library version 1. Red Hat 3scale API Management. For ext3 and ext4 filesystems that use a journal, if the. Repeatable. Preparation. Calling and Using e2fsck is not suggested, and not part of the suggested use in the QNAP Turbo NAS User Manual. conf is the configuration file for e2fsck(8). Follow @penguinpunk. Tag Archives: e2fsck QNAP - How to repair RAID brokenness. Разъем QNAP TS-859U + RAID5 не установлен, e2fsck_64 зависает Ошибка CRC Checksum, передающая большие fileы в NAS QNAP аутентифицирует WebDAV поверх OpenLDAP, но syslog на ldap-serverе затоплен. [/] # e2fsck /dev/md0 e2fsck 1. conf with the following contents: [scratch_files] directory = /var/cache/e2fsck (And, obviously, make sure that directory exists, and is on a partition with a good few GB of free space). of course after the "adding extra swap" ceremony, because it quickly throws a "memory allocation error" otherwise:. You are here: Home » Fix: QNAP NAS: File System not clean. I also ran a e2fsck with -p -f This also did not show any errors. After installation i've remounted the disk and all seemed to work well. Bad sectors or bad blocks is the space of the disk which can't be used due to the permanent damage or OS is unable to access it. Introduction. Although Btrfs supports snapshots, it. Use it with any browser, with any device: Mac, Pc, Android, iOS or anything with a browser. HOWEVER, all fields in jbd2 (the journal) are written to disk in big-endian order. I was recently upgrading the disks in the RAID set from 1TB to 2TB drives and it was going swimmingly. r/qnap: QNAP focused community, to share news, hints and discussion about QNAP products and QTS usage. Mounting Linux in Windows using the driver Ext2Fsd for ext3/4 file systems https://goo. info kernel: Booting Linux on physical CPU 0x0 Jan 12 10:17:28 nas user. biz/faq/?p=12803 Explains how to check a Linux ext3/ext4 file system under Synology nas server. Cryptsetup usage. Contribute to plexinc/qnap-chroot development by creating an account on GitHub. notice kernel: Linux version 3. Mainly it seemed to be e2fsck. Didier is also a former VMware inc. Had to move this thread to "Chat about Linux", because LfA is based on Ubuntu 16. 1 and Debian, but of course, it is not Linux Mint. The Ext2 file system driver works correctly on block sizes larger than the page size of Windows, but a performance penalty may arise when allocating new blocks while writing a file or directory. edited Jan 7 '19 at 18:16. Last summer, the disks of my 4 years old QNAP-NAS with 1TB of space were filled for about 90%. Documents are based on the information provided to us and my personal experience. Habe bislang folgendes aus der Konsole probiert: (Quelltext, 81 Zeilen) Die SMART-Informationen beider Festplatten sind "gut". WARNINGS: Don't use Ext2Fsd 0. 51: 2011-07-10 Modifications from V0. One last thing, this is not Qnap global offical website and you can always request help from your local Qnap tech departman or offical global Qnap support team (www. QNAP allowed even to finish booting up into its GUI and provided the same wanrings and options there although the reason for such a situation wasn't a storm but some other crash of the system. working for minimum rage. If you specify “-C 0”, it will display a progress bar while e2fsck is doing the check, which is useful, as you can see that it is doing something. As there is the potential for this to happen if you enter the command incorrectly, it is strongly recommended that you have a full backup of your data. [c] /proc/mounts or /proc/self/mounts file - Show all mounted file systems. Migrate from RAID 6 to RAID 5 with mdadm. Summary: About 2 hours of operation after turning on, leds start alternate blinking showing that there is a critical disk problem. Nach dem Neustart war das Volume…. net is Personal Website established to help both endusers and Qnap technical staff. QNAP NASでHDDをアンマウントできない (2014/06/29) Bitcasaの更新、と最近の買い物 (2014/02/18) QNAPで外部ディスクへのバックアップを遅くしない方法 (2013/11/17) OS X 10. Execute Cron Job After System Reboot. 40-WIP (02-Oct-2006) /dev/sda3: clean, 5940/60915712 files, 2244415/121808846 blocks kjournald starting. [/] # e2fsck /dev/md0 e2fsck 1. sh and stop. If you use raidextract to read a filesystem image, you can write the output to a file and run all the standard filesystem tools (tune2fs, e2fsck) on the file. A : In case of corrupt/lost config: 1. Whilst setting up my new QNAP NAS, I received a warning: Success hopefully! If so, we can now go ahead and e2fsck -f -v -C 0 /dev/md9. fsck is used to check and optionally repair one or more Linux … Continue reading "Can I run fsck or e2fsck when Linux file system is mounted?". I have a feeling this is going to be related to my mountpoints somehow due to mount -l showing the wrong drive (md1 instead of sda1) But I am no expert. Once it finishes, I'd immediately run it again, but as: e2fsck /dev/sda3 which would make sure the master superblock was usable. rpc-rquotad サービスを有効にするには、以下のコマンドを使用します。 # systemctl enable rpc-rquotad. [/] # e2fsck /dev/md0 e2fsck 1. 2 (2015-01-30 16:18:45 WET) Jan 12 10:17:28 nas user. Remove the HDD(s) 2. Mounting Linux in Windows using the driver Ext2Fsd for ext3/4 file systems https://goo. From E2FSCK(8):-C fd This option causes e2fsck to write completion information to the specified file descriptor so that the progress of the filesystem check can be monitored. But then I heard a beep while the RAID was rebuilding disk 5 of 6 in the set. QNAP devices seem to be a little buggy when there has been a problem a drive and the tftp service is enabled. NOTE: Ext4 is available from machines having kernel version 2. Edit2: Do you have more than one disc? do you happen to have a ext4 partion on the second partion of one of the other discs?. Virt-Manager is a graphical application for managing your virtual machines — you can use the kvm command directly, but libvirt and Virt-Manager simplify the process. If you get this message from your QNAP: and after you start a disk check and you end up with message like this: You need to get into SSH and execute following: After all of above, your QNAP NAS will reboot and everything will get back to normal. RAID Seems Unmounted and Mounting Volume Failed; How To Start e2fsck Command And Mount VolumeRAID Yapım Unmounted Görünüyor; e2fsck Komutuyla Nasıl Sistemi Tekrar Mount Edebilirsiniz;, 10. Number 8 is is not necessarily true. Deny > RW > RO > Empty (no setting). A partition editor to graphically manage disk partitions. Try running e2fsck manually. And invariably runs out of swap space. e2fsck -fp -C 0 /dev/md2 /dev/md2 is mounted. Next to those race activities, I had the pleasure to do some nice Trail- and Skyruns together with Danski. Looking at the man page of e2fsck it says 8193 is for 1k block sizes. e2fsck /dev/md0 --> Hatte hier zu Beginn immer einen out-of-memory-error, habe dann den Swap mit einem USB-Stick erweitert. QNAP is a company that designs great network attached storages (NAS). Red Hat build of OpenJDK. So I performed the following action: Reset Factory Settings (This does not delete data) After the Restore, my Raid 5 Volume is unmounted. And invariably runs out of swap space. If there is any output you would like please let me know. MDADM Superblock Recovery. Description e2fsck is used to check the ext2/ext3/ext4 family of file systems. Sat Feb 22, 2020 7:11 pm. would appreciate if someone pls help thanks. Calling and Using e2fsck is not suggested, and not part of the suggested use in the QNAP Turbo NAS User Manual. 19 Extent Support Ext3 filesystem was designed to use indirect block mapping scheme, which is efficient for small files but causes high metadata over head and poor performance when dealing with large files especially while performing delete or truncate operations because the mapping keeps a entry for every single block, and big. Blocks are in turn grouped into. It is what I m doing. 5 TiB of data down the drain. Posted on 2011-06-20 by dan. 9 (22-Aug-2009) fsck. 3 (GCC) ) #1 Fri Jan 30 16:37:58 WET 2015 Jan 12 10:17:28 nas user. Last summer, the disks of my 4 years old QNAP-NAS with 1TB of space were filled for about 90%. It’s a good unit. For ext3 and ext4 filesystems that use a journal, if the. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an. 39 (29-May-2006) e2fsck: Bad magic number in super-block while trying to open /dev/sda Ran # parted (parted) print /dev/sda Model: QNAP iSCSI Storage (scsi) Disk /dev/sda: 1100GB Sector size (logical/physical. It's annoying. working for minimum rage. rpc-rquotad サービスを起動するには、以下のコマンドを使用します。 # systemctl start rpc-rquotad. Provided by: e2fsprogs_1. But on a large volume (in this case 8 and a bit TB), it uses a lot of RAM. php on line 119. e2fsck -fp -C 0 /dev/md2 /dev/md2 is mounted. It is a personal space for Victor Spivak. For ext3 and ext4 filesystems that use a journal, if the system has been shut down uncleanly without any errors, normally, after replaying the committed transactions in the journal, the file system should be marked as clean. So this is where I am now. photos of food. device is the special file corresponding to the device (e. A lifetime of files lost. Nach dem Neustart war das Volume…. Whilst setting up my new QNAP NAS, I received a warning: Success hopefully! If so, we can now go ahead and e2fsck -f -v -C 0 /dev/md9. Before using cryptsetup, always make sure the dm_crypt kernel module is loaded. Those NAS can also act as multimedia players. If you get this message from your QNAP: and after you start a disk check and you end up with message like this: You need to get into SSH and execute following: After all of above, your QNAP NAS will reboot and everything will get back to normal. So, we open a terminal and SSH into the NAS in order. 6 (Fedaykin) on a Thecus N5550 NAS. The 'Hidden' Cost of Using ZFS for Your Home NAS. > Steps to Reproduce: > 1. But then I heard a. Mounting Linux in Windows using the driver Ext2Fsd for ext3/4 file systems https://goo. This article describes how you can shrink and grow existing software RAID partitions. Once completed, we could remount the HDD, but we may as well reboot the NAS and start back at the beginning!. Documents are based on the information provided to us and my personal experience. net is Personal Website established to help both endusers and Qnap technical staff. Разъем QNAP TS-859U + RAID5 не установлен, e2fsck_64 зависает Ошибка CRC Checksum, передающая большие fileы в NAS QNAP аутентифицирует WebDAV поверх OpenLDAP, но syslog на ldap-serverе затоплен. 6 GB, 801569726464 bytes 255 heads, 63 sectors/track, 97451 cylinders, total 1565565872 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512. command line, Linux, NAS, QNAP. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an. The purpose of this document is to review the recovery process when a disk is missing or damaged, and then apply that process to plausible examples. So I performed the following action: Reset Factory Settings (This does not delete data) After the Restore, my Raid 5 Volume is unmounted. Stopping all services and running a manual e2fsck on. The superblock is a very „high level" metadata structure for the file system. I've been told to run e2fsck but of course that won't work because /dev/sda1 and /mnt/DroboFS are mounted. Re: get root inode failed. To Repair Linux ext2 or ext3 or ext4 file system, run the following commands as root user. ohne Vorwarnung abstürzte, steht der Status des logischen Datenträgers auf entladen. Swapping off mdx or "swap volume" and swapping on individual partitions to maximize total swap memory for operations such as file system check (e2fsck) and file system re-sizing. A – Qnap FAQ Solution; Q : My NAS lost all its settings, and all HDDs are shown as unmounted. There are no backups, I don't have the history of the NAS. Sat Feb 22, 2020 7:11 pm. If there is any output you would like please let me know. The opinions expressed here are my personal opinions. conf with the following contents: [scratch_files] directory = /var/cache/e2fsck (And, obviously, make sure that directory exists, and is on a partition with a good few GB of free space). 1 Build 20160601. 7 Reply by videoclock 2009-08-07 11:02:43 videoclock. Probably you are looking for e2fsck? But then - nothing from the NAS Linux shell is required to set-up, manage, and operate the NAS. Tag Archives: e2fsck QNAP - How to repair RAID brokenness. It's annoying. It is suggested that you run "check disk". At the right panel, please click on the storage pool to expand it. Do not run fsck on a live or mounted file system. Ext4 was released as a functionally complete and stable filesystem in Linux 2. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running. 1 and Debian, but of course, it is not Linux Mint. I am pretty sure i want to go with 32768 for a 4k size. Die 8 Festplatten waren bis zu diesem…. 04 and it won't boot - at startup, it just shows the grub rescue prompt. Active 7 years, 8 months ago. Red Hat 3scale API Management. Multi Device Integration. Once you have enabled extents a former ext2 or ext3 filesystem, it is an ext4 filesystem and cannot be reverted to the old format. Hierüber kann auch sehr einfach ein umfassender DUMP-LOG vom System erstellt. Red Hat JBoss Web Server. QNAP devices seem to be a little buggy when there has been a problem a drive and the tftp service is enabled. Mounting Linux in Windows using the driver Ext2Fsd for ext3/4 file systems https://goo. In the same testing environment, file transfer via Samba with the ext4-using QNAP NAS is 61. Wyczerpały mi się możliwości po całym dniu prób. But then I heard a. See out tutorial page for more info - ht. Thanks for contributing an answer to Server Fault! Please be sure to answer the question. 113 Reviews. There are no backups, I don't have the history of the NAS. The install program can see the partition, that it. Power off the NAS. Next Previous Contents. Similiar devices: QNAP Turbo NAS (TS-119, TS-219 and TS-219P), LG N2B1DD1 series 7. It happened for me a few times that QNAP interface was frozen and I didn't have physical access to the device. はじめに こんにちは。この記事は pyspa Advent Calendar 2015 の22日目の記事です。Go Advent Calendarとまったく同じ日に登録したことにあとで気づいて、すごく後悔しています。そんなわけで、今日は自宅のTurboNASが吹っ飛んでtestdiskに助けられた話をします。最後提灯記…. Desktops & Window Managers. phi3nix How to: Windows command line, We can easy solve this problem from command line. 28, and it's getting included in all the modern distros (in some cases as the default fs), so if you are using a modern distro, it's possible that you already have Ext4 support and you don't need to modify your system to run Ext4. mke2fs is used to create an ext2, ext3, or ext4 filesystem, usually in a disk partition. Questions about other topics - please check if your question fits better in another category before posting here. e2fsck -f / dev / md0. 04 and it won't boot - at startup, it just shows the grub rescue prompt. Volumio is a true HI-FI Digital Music player: an audiophile sound system tailored to offer uncompromised Audio Quality. Examination failed (Cannot unmount disk) Examination failed (Cannot unmount disk) Last update on May 23, 2014. (block 223029632) answer=1 Inode bitmap for group 1920 is not in group. See out tutorial page for more info - ht. 5 e2fsck -f -v -C 0 /dev/md0 6 mount /dev/md0 7 reboot 8 After all of above, your QNAP NAS will reboot and everything will get back to normal. I have a problem with my RAID 5 from my QNAP TS-870 (1x SSD Samsung for firmware 4x 4TB hard drive for the RAID 5). Red Hat Automation. notice kernel: Linux version 3. RAID Seems Unmounted and Mounting Volume Failed; How To Start e2fsck Command And Mount VolumeRAID Yapım Unmounted Görünüyor; e2fsck Komutuyla Nasıl Sistemi Tekrar Mount Edebilirsiniz;, 10. Power off the NAS. (E2FSCK) AND FILE SYSTEM RE-SIZING. If it runs without error, then there must be something else wrong. Leider kam noch ein Stromausfall mit 3,5 Stunden (Murphys Law) erschwerend dazu. Falls Sie eine Fehlermeldung erhalten: mit "Wrong Type, supberblock corrupted/bad" kann versucht werden die Superblocks über den Befehl "e2fsck -fy" zu reparieren. The 'Hidden' Cost of Using ZFS for Your Home NAS. HOWEVER, all fields in jbd2 (the journal) are written to disk in big-endian order. kali linux black screen cursor blinking VBOX. [/] # e2fsck /dev/md0 e2fsck 1. Short read while trying to open partition. Habe bislang folgendes aus der Konsole probiert: (Quelltext, 81 Zeilen) Die SMART-Informationen beider Festplatten sind "gut". 2 Crucial 1TB (Raid 1 VM), 2x SSD 860 EVO 500gb (Raid1 QTS), 2x SSD 860 EVO 250GB (Cache), 2x M. ext3: Bad magic number in super-block while trying to open /dev/sdb3 The superblock could not be read or does not describe a correct ext2 filesystem. QNAP TS-409 Proにシリアルコンソールをつなぐ Starting Disk initialized: storage_boot_init 2 e2fsck 1. 11, 14-Mar-2010 Xubuntu: UnderTree =-> fdisk -v fdisk (util-linux-ng 2. r/qnap: QNAP focused community, to share news, hints and discussion about QNAP products and QTS usage. 24のLinuxカーネルで実装された。. First un-mount the file system: umount /dev/sda1. Red Hat build of Node. Older filesystems, which were created before this became the default, previously lacked the option to upgrade the address length to 64 bit. If it runs without error, then there must be something else wrong. It has Intel(R) Atom(TM) CPU D525 @ 1. Although Btrfs supports snapshots, it. 13-1ubuntu1_amd64 NAME e2fsck - check a Linux ext2/ext3/ext4 file system SYNOPSIS e2fsck [ -pacnyrdfkvtDFV] [ -b superblock] [ -B blocksize] [ -l|-L bad_blocks_file] [ -C fd] [ -j external-journal] [ -E extended_options] device DESCRIPTION e2fsck is used to check the ext2/ext3/ext4 family of file systems. The superblock is essentially file system metadata and defines the file system type, size, status, and information about other metadata structures (metadata of metadata). So I performed the following action: Reset Factory Settings (This does not delete data) After the Restore, my Raid 5 Volume is unmounted. ext4において、確保されていないブロック群とi-nodeテーブル部は印をつけられる。これはe2fsckの実行時に全体のチェックを不要にし、ファイルシステムのチェックにかかる時間を大きく減少させる。この機能は2. Red Hat Integration. For some days, I could not connect to my Qnap NAS (network drive, web interface). Programs accessing target DEVICE/NFS files may throw errors OR could not work properly after force unmount. September 2, 2013 Thomas Jansson 5 Comments. How to start using Blink. Headed in to install them now. 0 out of 10 based on 8 ratings. Last night we suffered a power failure and I gracefully shut it down, the power came back on around 3AM and I was asleep so most everything powered back up automatically through my UPS's however this morning I log into the Qnap to find that raid config gone. A : In case of corrupt/lost config: 1. Hierüber kann auch sehr einfach ein umfassender DUMP-LOG vom System erstellt. In the same testing environment, file transfer via Samba with the ext4-using QNAP NAS is 61. The Thecus OS created a md126 (JBOD) array. 42 (29-Nov-2011) e2fsck: Invalid argument while trying to open /dev/sdb1 However as I understand, these are where the superblocks were when the filesystem was created, which does not necessarily mean they are still intact. Failure to do so may lead to filesystem corruption (due to bad disks, cables, memory, or kernel bugs) going unnoticed, ultimately resulting in data loss or corruption. kali linux black screen cursor blinking VBOX. Ask Question fsck from util-linux 2. Coz, ten qnap taki prosty to nie jest jak go maluja. Obviously, I bought the QNAP and used RAID-6 to try and keep this stuff an infinitum. 5 out of 10 based on 2 ratings 3 Responses to The file system is not clean. If there is some damage to the Linux file system, you can fix it using fsck utility. It is what I m doing. 2 Crucial 1TB (Raid 1 VM), 2x SSD 860 EVO 500gb (Raid1 QTS), 2x SSD 860 EVO 250GB (Cache), 2x M. Posted on 2011-06-20 by dan. Click [Actions] button and select Check File System to start the. Edit2: Do you have more than one disc? do you happen to have a ext4 partion on the second partion of one of the other discs?. To our dismay, when it powered back up, only one of the two RAID volumes was available. on Jul 30, 2019 at 08:08 UTC. The device itself has two RAID-5 volumes of four disks each. The connection dropped a few times during e2fsck commands which they claim messed it up even more. Execute Cron Job After System Reboot. e2fsck -fp -C 0 /dev/md2 /dev/md2 is mounted. Soweit so gut. ext2 正常にアンマウントが実行されなかった場合には、パーティション全体のメタデータと実データの整合性をfsckによって確認する必要がある ブロック構造 - ブロックサイズは1KB,2KB,4KBのいずれか スーパーブロックには全体のi-node数など、グループデスクリプタにはそのブロックグループのi. 3 (GCC) ) #1 Fri Jan 30 16:37:58 WET 2015 Jan 12 10:17:28 nas user. QNAP so far was not able to help me, so I am looking for alternative solutions in parallel. Once you have enabled extents a former ext2 or ext3 filesystem, it is an ext4 filesystem and cannot be reverted to the old format. I have no idea on how the QNAP TS-420 works or if even uses linux mdadm, but the method I described above on my Linux box preserves all data, but as always in these cases make sure you have a complete backup just in case. 5 e2fsck -f -v -C 0 /dev/md0 6 mount /dev/md0 7 reboot 8 After all of above, your QNAP NAS will reboot and everything will get back to normal. Print view. Create /etc/e2fsck. To Repair Linux ext2 or ext3 or ext4 file system, run the following commands as root user. Answer: The answers to the above two questions are the same; the access right priority. Calling and Using e2fsck is not suggested, and not part of the suggested use in the QNAP Turbo NAS User Manual. 2 PCIe 970 500gb NVME (Raid1 Plex and Emby server) GTX 1050 TI. Qnapsupport. In this how to, Robert guides us through setting up the new QNAP TVS-463 NAS, 15/06/2013 · QNAP TS 412 RAID degraded & NAS faulty or disc I can start up the QNAP with drives partitions used by the Qnap itself to organise the RAID …. 68 cannot process EXT4 with 64-BIT mode enabled, then it could corrupt your data. It answers only to ping. In the same testing environment, file transfer via Samba with the ext4-using QNAP NAS is 61. Very sorry for this disaster issue, I'm working on an improvement. GitHub Gist: instantly share code, notes, and snippets. Documents are based on the information provided to us and my personal experience. Falls Sie eine Fehlermeldung erhalten: mit "Wrong Type, supberblock corrupted/bad" kann versucht werden die Superblocks über den Befehl "e2fsck -fy" zu reparieren. Red Hat 3scale API Management. So then I run e2fsck to check the filesystem. It's been working fine for well over a year but lately my app can't access any data on it. ext4 is the default file system for many Linux distributions including Debian and Ubuntu. QNAP devices seem to be a little buggy when there has been a problem a drive and the tftp service is enabled. Hallo, mein TS-869 Pro Firmaware 4. The maximum file, directory, and filesystem size limits grow at least. phi3nix How to: Windows command line, We can easy solve this problem from command line. I am not familiar with what e2fsck_64 does, but if it is doing a complete rebuild of the array, you mention "attempt to recover", a RAID 6 of that size will take days to rebuild. 3 1101T), which was supposed to fix the power-cut collapses? I've contacted Qnap support and exposed my TS-209 to the outside world as they request and asked for an engineer to fix. It is suggested that you run “check disk”. disclaimer. It is called 'Entware'. Click [Actions] button and select Check File System to start the. Getting extra swap memory manually. Re: Minecraft Linux on ReadyNas Pro Pioneer I would definitely prefer using start. 11, 14-Mar-2010 Xubuntu: UnderTree =-> fdisk -v fdisk (util-linux-ng 2. This should be part of the base system, like e2fsck and others. ext4: Attempt to read block from filesystem resulted in short read while trying to open /dev/sdc2 Could this be a zero-length partition? If e2fsck fails to write the main superblock If the superblock got corrupted because. (E2FSCK) AND FILE SYSTEM RE-SIZING. Next to those race activities, I had the pleasure to do some nice Trail- and Skyruns together with Danski. x versions, too, not just "Linux for All. Power off the NAS. Try running e2fsck manually. So then I run e2fsck to check the filesystem. Run crontab job every minute on a Linux or Unix-like system. If you receive the following error message from your QNAP NAS: The file system is not clean. QNAP TS-859U+ RAID5 volume unmounted, e2fsck_64 hangs We got this QNAP TS-859U+ with firmware version 3. The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Red Hat Single Sign On. Answer the prompts, allowing e2fsck to fix the filesystem. Cron Job Script Execution on the Last Day of a Month. sudo apt-get install qemu-kvm libvirt-bin bridge-utils virt-manager. One of the highlights of the last year was the Glärnisch-Trilogie, which took us from Schwändi via Guppengrat to Vrenelisgärtli, from there to Ruchen and last but not least to Bächistock. 04 and it won't boot - at startup, it just shows the grub rescue prompt. 2 (libblkid 2. Probably you are looking for e2fsck? But then - nothing from the NAS Linux shell is required to set-up, manage, and operate the NAS. Red Hat build of Eclipse Vert. The first e2fsck run after enabling this feature will take the full time, but subsequent e2fsck runs will take only a fraction of the original time, depending on how full the file system is. This is a client's primary data storage (they have backups). ext4において、確保されていないブロック群とi-nodeテーブル部は印をつけられる。これはe2fsckの実行時に全体のチェックを不要にし、ファイルシステムのチェックにかかる時間を大きく減少させる。この機能は2. from RHEL7) That's not a supported thing to do. I'm trying to run Plex server from TS-210 instead of MBP? here are my finding so far. A - Qnap FAQ Solution; Q : My NAS lost all its settings, and all HDDs are shown as unmounted. 28, and it's getting included in all the modern distros (in some cases as the default fs), so if you are using a modern distro, it's possible that you already have Ext4 support and you don't need to modify your system to run Ext4. QNAP-NAS: How to check disk if cannot unmount when device is busy. Hierüber kann auch sehr einfach ein umfassender DUMP-LOG vom System erstellt. Logical Volume Management (LVM) provides a high level, flexible view of a server's disk storage. Please, participate and enjoy! # e2fsck_64 -fp -C 0 -b 32768 /dev/mapper/cachedev1 Data: recovering journal Data: Superblock needs_recovery flag is clear, but journal has data. I use a QNAP 639 Pro NAS at home to store my movies on. "bonjour service failed to start" I've had this a few times in the last few months on Windows 7. 2 Crucial 1TB (Raid 1 VM), 2x SSD 860 EVO 500gb (Raid1 QTS), 2x SSD 860 EVO 250GB (Cache), 2x M. It happened for me a few times that QNAP interface was frozen and I didn't have physical access to the device. QNAP manufactures NAS (which basically allow you to share a filesystem over your entire home network). I'm trying to run Plex server from TS-210 instead of MBP? here are my finding so far. about your PDF: "QNAP_NAS_Data_Recovery - Qnap Advanced Support" you might want to add on slide 27: use "dmsg" to find the /dev/XXX where your usb disk got mounted - in my case /dev/sdt1. My main concern was if it failed and I had to start over. See out tutorial page for more info - ht. A partition editor to graphically manage disk partitions. Description e2fsck is used to check the ext2/ext3/ext4 family of file systems. QNAP allowed even to finish booting up into its GUI and provided the same wanrings and options there although the reason for such a situation wasn't a storm but some other crash of the system. I'm running the latest firmware (1. Deny > RW > RO > Empty (no setting). How to start using Blink. But then I heard a beep while the RAID was rebuilding disk 5 of 6 in the set. notice kernel: Linux version 3. The superblock is essentially file system metadata and defines the file system type, size, status, and information about other metadata structures (metadata of metadata). I was having issue: "extundelete: No such file or directory while creating directory" while I was trying to. By Dave | 16. biljkus Posted 01/10/2015 Thank you so much!!! I am using Ubuntu 12. The install program can see the partition, that it. I was recently upgrading the disks in the RAID set from 1TB to 2TB drives and it was going swimmingly. A lifetime of files lost. taking the social out of social networking. Calling and Using e2fsck is not suggested, and not part of the suggested use in the QNAP Turbo NAS User Manual. I also ran a e2fsck with -p -f This also did not show any errors. Had to move this thread to "Chat about Linux", because LfA is based on Ubuntu 16. 2 razy probowalem zrobic migracje z RAID1 do RAID 5 i za kazdym razem mi wywala blad RAID Migration failed. 84 TiB, 2000398931968 bytes, 3907029164 sectors Disk model: high speed Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x31f09ceb Device Boot Start End Sectors Size Id Type /dev/sdc1 2048 3907028991 3907026944 1. The ext4 filesystem can support volumes with sizes up to 1 exbibyte (EiB) and single files with sizes up to 16 tebibytes (TiB) with the standard 4 KiB block size. 42 (29-Nov-2011) e2fsck: Invalid argument while trying to open /dev/sdb1 However as I understand, these are where the superblocks were when the filesystem was created, which does not necessarily mean they are still intact. Disk- and Memory-Upgrade of a QNAP TS 259 NAS Disk- and Memory-Upgrade of a QNAP TS 259 NAS. Before you get to how to recover the lost data, here's my NAS and RAID spec (so that you can understand what and why I did):. It is suggested that you run "check disk". Can't do a check via the web GUI (it just fails) and if we try to do e2fsck via SSH it says the volume is busy, despite it not being mounted. Bad sectors or bad blocks is the space of the disk which can't be used due to the permanent damage or OS is unable to access it. At the right panel, please click on the storage pool to expand it. Execute Cron Job After System Reboot. Thanks for contributing an answer to Server Fault! Please be sure to answer the question. The superblock is essentially file system metadata and defines the file system type, size, status, and information about other metadata structures (metadata of metadata). 1 mit 8x 3TB Seagate ST3000NC000 CE02 hat innerhalb eines Tages 2 Platten mit Anomal rausgeworfen. Red Hat Automation. After a short beep and a long beep, plug the HDD back into the NAS. Kod (Text): # e2fsck /dev/md0. 8T 83 Linux [email protected] Example 1: “UserA” is a member of “UserGroup”. If you want to create a journal on an ext2 filesystem that you have mounted as ext4, you must also issue the command: # tune2fs -j /dev/DEV. Cryptsetup usage. Obviously, I bought the QNAP and used RAID-6 to try and keep this stuff an infinitum. I use a QNAP 639 Pro NAS at home to store my movies on. Integration and Automation. NOTE: Ext4 is available from machines having kernel version 2. [c] /proc/mounts or /proc/self/mounts file - Show all mounted file systems. Only after each reboot i'm…. It only takes a minute to sign up. Looking at the man page of e2fsck it says 8193 is for 1k block sizes. conf with the following contents: [scratch_files] directory = /var/cache/e2fsck (And, obviously, make sure that directory exists, and is on a partition with a good few GB of free space). Obviously, I bought the QNAP and used RAID-6 to try and keep this stuff an infinitum. The script below finds bad sectors, puts them into a text file, then test if text file size is different than zero, so e2fsck will mark bad sectors (these sectors will not be used by operating system). Power on the NAS. [~] # e2fsck -b 98304 /dev/md0 e2fsck 1. Power off the NAS. Once it finishes, I'd immediately run it again, but as: e2fsck /dev/sda3 which would make sure the master superblock was usable. Ask Question fsck from util-linux 2. Examination failed (Cannot unmount disk) Examination failed (Cannot unmount disk) Last update on May 23, 2014. When trying to run a "Check Now" under Volume Management get the following error:. After a short beep and a long beep, plug the HDD back into the NAS. Please, participate and enjoy! # e2fsck_64 -fp -C 0 -b 32768 /dev/mapper/cachedev1 Data: recovering journal Data: Superblock needs_recovery flag is clear, but journal has data. 11 (14-Mar-2010) Using EXT2FS Library version 1. Danach lief e2fsck mehrere Stunden durch, brach dann aber mit einer anderen Fehlermeldung ab. 06-Mar-2018 18:00 CET. Click [Actions] button and select Check File System to start the. 1 Build 20160601. For more see: Installing Entware or Entware Github page Please note: That Brainslayer disabled FPU emulation in changeset 20047 which breaks Optware on DD-WRT. Code: Select all e2fsck 1. r/qnap: QNAP focused community, to share news, hints and discussion about QNAP products and QTS usage. 25 for Orion/QNAP support. At the right panel, please click on the storage pool to expand it. The superblock is a very „high level" metadata structure for the file system. Do not run fsck on a live or mounted file system. 02 QNAP Mounting RAID6 after reboot and "DISK MISSING" Quick version State: When QNAP boots into the initialization dialog (the one you see when you first setup your QNAP) and then switches to "DISK MISSING" screen but SSH can still be used to connect to it (using the old credentials *strange*). Remove the HDD(s) 2. ext3: Bad magic number in super-block while trying to open /dev/sdb3 The superblock could not be read or does not describe a correct ext2 filesystem. I was having issue: "extundelete: No such file or directory while creating directory" while I was trying to. How To Resize RAID Partitions (Shrink & Grow) (Software RAID) Version 1. It answers only to ping. Once it finishes, I'd immediately run it again, but as: e2fsck /dev/sda3 which would make sure the master superblock was usable. I have a problem with my RAID 5 from my QNAP TS-870 (1x SSD Samsung for firmware 4x 4TB hard drive for the RAID 5). QNAP so far was not able to help me, so I am looking for alternative solutions in parallel. 5 - failed to boot - Failed to start Network Service Posted on Saturday 10/12/2016 by Victor — 17 Comments If you ever encounter an issue with the vCenter server that's so bad that the server itself doesn't start, well try the following:. [/] # e2fsck /dev/md0 e2fsck 1. As there is the potential for this to happen if you enter the command incorrectly, it is strongly recommended that you have a full backup of your data. Step 1: You have to connect to QNAP via SSH. e2fsck -f -v -C 0 /dev/md0 reboot. of course after the "adding extra swap" ceremony, because it quickly throws a "memory allocation error" otherwise:. 1 and Debian, but of course, it is not Linux Mint. I replaced 4x2TB disks with 4x3TB disks because I had run out of space in my RAID 5 array. 11, 14-Mar-2010 Xubuntu: UnderTree =-> fdisk -v fdisk (util-linux-ng 2. # e2fsck /dev/sdb1 e2fsck 1. At the right panel, please click on the storage pool to expand it. Follow @penguinpunk. I have tested this with non-LVM RAID1 partitions that use ext3 as the file system. If there is some damage to the Linux file system, you can fix it using fsck utility. It is suggested that you run „check disk" and a disk check is failed. ext2 正常にアンマウントが実行されなかった場合には、パーティション全体のメタデータと実データの整合性をfsckによって確認する必要がある ブロック構造 - ブロックサイズは1KB,2KB,4KBのいずれか スーパーブロックには全体のi-node数など、グループデスクリプタにはそのブロックグループのi. LVM Resize - How to decrease or shrink the logical volume To decrease the size of an LVM partition you must first decrease the file system within in order to avoid possible data corruption. 04 and it won't boot - at startup, it just shows the grub rescue prompt. GitHub Gist: instantly share code, notes, and snippets. Headed in to install them now. Qnap TS-1277 1700 (48gb RAM) 6x8TB WD White, 2x8TB WD Red - Raid5, 2x M. View the latest post. With this plug-in it is GParted. But on a large volume (in this case 8 and a bit TB), it uses a lot of RAM. Integration and Automation. For some days, I could not connect to my Qnap NAS (network drive, web interface). Killing the e2fsck process while it runs is likely to cause the file system to be in an inconsistent state. German support forum for Proxmox VE. Filed Under: QNAP, Storage | Tagged: e2fsck, howto, md-adm, QNAP, RAID, recovery, Storage. Power off the NAS. Manually re-sizing the file system or data volume Posted by Carlos Zavala on 10 March 2014 10:21 AM In a special case, it might happen that an expand capacity finish successfully, but didn't re-size the file system due to an interruption of the power supply or some application in the background running. A - Qnap FAQ Solution; Q : My NAS lost all its settings, and all HDDs are shown as unmounted. It will popup the data volume management dialog. One last thing, this is not Qnap global offical website and you can always request help from your local Qnap tech departman or offical global Qnap support team (www. When a disk is accidentally removed or damaged in some way that. It is strongly recommended that either -c (mount-count-dependent) or -i (time-dependent) checking be enabled to force periodic full e2fsck(8) checking of the filesystem. Programs accessing target DEVICE/NFS files may throw errors OR could not work properly after force unmount. photos of food. Documents are based on the information provided to us and my personal experience. By Dave | 16. Do not run fsck on a live or mounted file system. if you MUST unmount the root filesystem while it's running, you'll want to. Edit: Looks like the fs have been mounted as ext4 at some point. はじめに こんにちは。この記事は pyspa Advent Calendar 2015 の22日目の記事です。Go Advent Calendarとまったく同じ日に登録したことにあとで気づいて、すごく後悔しています。そんなわけで、今日は自宅のTurboNASが吹っ飛んでtestdiskに助けられた話をします。最後提灯記…. Last night we suffered a power failure and I gracefully shut it down, the power came back on around 3AM and I was asleep so most everything powered back up automatically through my UPS's however this morning I log into the Qnap to find that raid config gone. I was having issue: "extundelete: No such file or directory while creating directory" while I was trying to. The ext4 filesystem can support volumes with sizes up to 1 exbibyte (EiB) and single files with sizes up to 16 tebibytes (TiB) with the standard 4 KiB block size. Next to those race activities, I had the pleasure to do some nice Trail- and Skyruns together with Danski. Create a Filesystem with Journal using -j option. So, we open a terminal and SSH into the NAS in order. Data: Recovery flag not set in backup superblock, so running. Can't do a check via the web GUI (it just fails) and if we try to do e2fsck via SSH it says the volume is busy, despite it not being mounted. sh stop Stop apache proxy: OK Shutting down thttpd service: OK # lsof +f -- /dev/md0 # umount /dev/md0 # e2fsck -f -v -C 0 /dev/md0. taking the social out of social networking. Wenn die Fehlermeldung wichtig ist, versuche ich das nochmal zu reproduzieren. (E2FSCK) AND FILE SYSTEM RE-SIZING. Kullanıcı ve Klasör OluşturmaHow to Create Users & Folders, 8. The second was marked " Unmounted ". WARNINGS: Don't use Ext2Fsd 0. QNAP TS-409 Proにシリアルコンソールをつなぐ Starting Disk initialized: storage_boot_init 2 e2fsck 1. If there is some damage to the Linux file system, you can fix it using fsck utility. I asume the disks didn't fail at once. 7 Reply by videoclock 2009-08-07 11:02:43 videoclock. Der Sicherungsstorage ist über ein QNAP-NAS im gleichen lokalen Netz über NFS-Freigabe in den VM-Host eingebunden. 5% faster than another brand’s NAS that uses Btrfs. How to start using Blink. 40-WIP (02-Oct-2006) /dev/sda3: clean, 5940/60915712 files, 2244415/121808846 blocks kjournald starting. Use GNU Parted. x versions, too, not just "Linux for All. It's a good unit and overall I've found it to be relatively trouble-free. This is my way how to check and clean files system fast on QNAP. For ext3 and ext4 filesystems that use a journal, if the. The Thecus OS created a md126 (JBOD) array. The ext4 filesystem can support volumes with sizes up to 1 exbibyte (EiB) and single files with sizes up to 16 tebibytes (TiB) with the standard 4 KiB block size. After a restart the primary volume won't mount. As there is the potential for this to happen if you enter the command incorrectly, it is strongly recommended that you have a full backup of your data. It’s a good unit. WARNING! Make sure file system is UNMOUNTED. Select on the data volume and click [Manage] button. For more see: Installing Entware or Entware Github page Please note: That Brainslayer disabled FPU emulation in changeset 20047 which breaks Optware on DD-WRT. My main concern was if it failed and I had to start over. So I performed the following action: Reset Factory Settings (This does not delete data) After the Restore, my Raid 5 Volume is unmounted. The script below finds bad sectors, puts them into a text file, then test if text file size is different than zero, so e2fsck will mark bad sectors (these sectors will not be used by operating system). e2fsck -f -v -C 0 /dev/md0 reboot. Create a Filesystem with Journal using -j option. Questions about SNMP, Power, System, Logs, disk, & RAID. Questions about desktops & window managers. beta3 will be based on 2. Wyczerpały mi się możliwości po całym dniu prób. I'm kinda wondering whether the QNAP guys ever managed to make this work via the admin Web interface, as I don't think this could ever work. Follow @penguinpunk. Unfortunately, even their NAS can crash. 03 August 2016. I am not familiar with what e2fsck_64 does, but if it is doing a complete rebuild of the array, you mention "attempt to recover", a RAID 6 of that size will take days to rebuild. QNAP-NAS: How to check disk if cannot unmount when device is busy. I'm trying to run Plex server from TS-210 instead of MBP? here are my finding so far. 32 ([email protected]) (gcc version 4. For some days, I could not connect to my Qnap NAS (network drive, web interface). Virt-Manager is a graphical application for managing your virtual machines — you can use the kvm command directly, but libvirt and Virt-Manager simplify the process. At boot: prompt type command linux. After a power outage that went beyond the time of UPS' ability to keep things running, the unit shut down. These commands can disrupt a running process, cause data loss OR corrupt open files. e2fsck cannout continue aborting. Killing the e2fsck process while it runs is likely to cause the file system to be in an inconsistent state. Had to move this thread to "Chat about Linux", because LfA is based on Ubuntu 16. There are no backups, I don't have the history of the NAS. Execute Cron Job After System Reboot. It is suggested that you run „check disk" and a disk check is failed. 24, but we need 2. Falls Sie eine Fehlermeldung erhalten: mit "Wrong Type, supberblock corrupted/bad" kann versucht werden die Superblocks über den Befehl "e2fsck -fy" zu reparieren. Examination failed (Cannot unmount disk) Examination failed (Cannot unmount disk) Last update on May 23, 2014. Administration / Server alternatives android Apps Android Smart Phone backup and restore Bash / Terminal / Scripts cool tested GNU Linux Apps crazy stuff Cybercrime CyberSec / ITSec / Sicherheit / Security / SPAM Cyberwar Debian Fedora / RedHat / CentOS Firmen / Companies Free Hardware / OpenBios / OpenFirmware / CoreBoot / LibreBoot free. 80GHz processor and 1GB RAM, 8 of 3TB (Seagate ST33000651AS CC44) drives. - Add some more customizations for NAS devices, e. Users often only learn this lesson after critical information they require is permanently lost. sh stop Stop apache proxy: OK Shutting down thttpd service: OK # lsof +f -- /dev/md0 # umount /dev/md0 # e2fsck -f -v -C 0 /dev/md0. I replaced 4x2TB disks with 4x3TB disks because I had run out of space in my RAID 5 array. If you receive the following error message from your QNAP NAS: The file system is not clean. For ext3 and ext4 filesystems that use a journal, if the system has been shut down uncleanly without any errors, normally, after replaying the committed transactions in the journal, the file system should be marked as clean. A - Qnap FAQ Solution; Q : My NAS lost all its settings, and all HDDs are shown as unmounted. Previous post; Next post; Related Articles How to fix problem when your hard drive became RAW. Outdated and EOL - Kept for historical reasons only. Follow @penguinpunk. Once you have enabled extents a former ext2 or ext3 filesystem, it is an ext4 filesystem and cannot be reverted to the old format. - nas-e2fsck. Stanzas, or top-level sections, are delimited by square braces: [ ]. 32 ([email protected]) (gcc version 4. if you MUST unmount the root filesystem while it's running, you'll want to. It may tell you now that your file system is clean. [~] # e2fsck -b 98304 /dev/md0 e2fsck 1. I'm kinda wondering whether the QNAP guys ever managed to make this work via the admin Web interface, as I don't think this could ever work. A lifetime of files lost. Unfortunately, even their NAS can crash. Knowledgebase : NAS - English The hard drive(s) on QNAP NAS may seem to go to standby mode a bit later than the time you specified when data writing is in process. 24, but we need 2. The install program can see the partition, that it. RAID Seems Unmounted and Mounting Volume Failed; How To Start e2fsck Command And Mount VolumeRAID Yapım Unmounted Görünüyor; e2fsck Komutuyla Nasıl Sistemi Tekrar Mount Edebilirsiniz;, 10. How to Correct QNAP Unmounted Volume. QNAP devices seem to be a little buggy when there has been a problem a drive and the tftp service is enabled. Wkurzajace, szczegolnie, ze. e2fsck is used to check the ext2/ext3/ext4 family of file systems. Contribute to plexinc/qnap-chroot development by creating an account on GitHub. Bei Verwendung des QNAP-Storage-ManagersV2 muss unter dem Punkt /share/CACHDEV gemountet werden. Making statements based on opinion; back them up with references or personal experience. LVM Resize - How to decrease or shrink the logical volume To decrease the size of an LVM partition you must first decrease the file system within in order to avoid possible data corruption. 2k is a 16384, and 4k is at 32768. after number 5 I got a kind of matrix looking output, at that moment I just wanted to shoot myself for not making a back up first. The Thecus OS created a md126 (JBOD) array. And invariably runs out of swap space. Content published here is not read or approved in advance by my. Similiar devices: QNAP Turbo NAS (TS-119, TS-219 and TS-219P), LG N2B1DD1 series 7. If there is any output you would like please let me know. e2fsck cannout continue aborting. taking the social out of social networking. If you receive the following error message from your QNAP NAS: The file system is not clean. Use GNU Parted. If it runs without error, then there must be something else wrong. Can I run fsck or e2fsck command when Linux file system is mounted? Do you advice to run fsck on a live file system? I am using Cent OS. Remove the HDD(s) 2. This shared storage is a very old qnap nas which is 99% full of backup. I have tested this with non-LVM RAID1 partitions that use ext3 as the file system. Hi, we have a Qnap TS-453A. Downloads: 12,393 This Week Last Update: 2017-11 ext4tc is a file system plug-in for total commander. Filed Under: QNAP, Storage | Tagged: e2fsck, howto, md-adm, QNAP, RAID, recovery, Storage. I don't want to loose my data but I have not enough space to backup all and it is very long to backup because of the very small CPU which is working a lot to compute the files missing part. about your PDF: "QNAP_NAS_Data_Recovery - Qnap Advanced Support" you might want to add on slide 27: use "dmsg" to find the /dev/XXX where your usb disk got mounted - in my case /dev/sdt1. e2fsck - check a Linux ext2/ext3/ext4 file system SYNOPSIS e2fsck [ -pacnyrdfkvtDFV] [ -b superblock] [ -B blocksize] [ -l|-L bad_blocks_file] [ -C fd] [ -j external-journal] [ -E extended_options] device DESCRIPTION e2fsck is used to check the ext2/ext3/ext4 family of file systems. 13-1ubuntu1_amd64 NAME e2fsck - check a Linux ext2/ext3/ext4 file system SYNOPSIS e2fsck [ -pacnyrdfkvtDFV] [ -b superblock] [ -B blocksize] [ -l|-L bad_blocks_file] [ -C fd] [ -j external-journal] [ -E extended_options] device DESCRIPTION e2fsck is used to check the ext2/ext3/ext4 family of file systems. When trying to run a "Check Now" under Volume Management get the following error:. Programs accessing target DEVICE/NFS files may throw errors OR could not work properly after force unmount. 5% faster than another brand's NAS that uses Btrfs. Ask Question fsck from util-linux 2. The device itself has two RAID-5 volumes of four disks each. We can fix this kind of cases less than 10 minutes. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running. I'm running the latest firmware (1. 04 and I have installed extundelete version 0. To our dismay, when it powered back up, only one of the two RAID volumes was available. Power on the NAS. Step 1: You have to connect to QNAP via SSH.