OpenSUSE :: RAID5 Crash - How To Recover It

Feb 22, 2011

I have a huge problem with my file server (OpenSuse 11.3 - 64bit, kernel-2.6.34.7-0.7-default). I've just installed an Intel SASUC8I card, connected 3 of the 7 Samsung 2TB drives I have to it and after about one hour, it dropped 2 of the disks. I've managed to trace the problem to the card BIOS, which I've replaced with the non-raid edition, so it should now work fine with the kernel raid now. The problem is that I can't find a way to "un-fail" these 2 disks. I'm more than positive, that these drives are just fine, only the controller was misbehaving. The dropout also couldn't have created any data inconsistency either, since the 2 drives dropped out virtually at the same time and there was no writing being done at the time. I've tried add/re-add, I get either mdadm: cannot get array info for /dev/md0 or mdadm: add new device failed for /dev/sdi1 as 7:

Invalid argument (depending on the raid being run or being stopped, in either case, mdstat reports it to be inactive)

For a normal or forced assemble, I get mdadm: /dev/md0 assembled from 5 drives and 1 spare - not enough to start the array.I've been googleing like crazy, also trying to get info from mdadm's help and man, but nothing seems to deal with such a freak accident. An other interesting thing is, that if I reboot the system, mdstat shows md0 as inactive, but lists all the devices with no flags. It's only after a run command, that it changes to the 5 remaining devices, all with (S) flags. Alternatively: does anyone know where device failure info is stored? If I could in some way remove this information from the system (even by reinstalling the OS), I should be able to reassemble the array... Or is it stored in the member drive super-blocks? About 80% of this array's data is backed up, so if all else fails, I can restore most of its content, but I'd much prefer to reassemble this one as a whole, since there was absolutely no chance of data corruption.

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Server :: Recover RAID5 Storage Array DATA Using Xfs_repair?

Jul 5, 2011

I have an Acer Altos EasyStore SATA NAS box that hung, the only way to reboot was to crash the system (unplug it). Upon reboot it was not recognising the hard drives (it wanted to do a destructive reinitialize). Most of the importent data was backed up, however some was overlooked and we'd quite like to get it back. Removing the disks and placing them in a PC with enough SATA bays to cope, and booting with a live linux distribution (System Rescue CD) I can see the 4 drives are not suffering hardware error and that the original partions exist. Using mdadm I can assemble the Arrays without error (seems to be three but the only one I am concerned with is the RAID5 array of about 3TB). /dev/m1p2 mounts as a loopdevice once an offset is entered. In turn this mounts as an XFS parition. However despite df showing the partition almost to be full. ls -l or ls -a on the mount point shows it to be empty!

I got thusfar using a translation from a German language forum, unfortunately I only speak a little German, and the only other English language post on a simlilar matter I found within that site had no replies. The next step was to unmount loop, then run xfs_chack and xfs_repair on the file system. xfs_check returns that there is are a few dir size and offset errors along with link count mismatches. This I would presume normal for a file system that has become slightly corrupted. xfs_repair (version 3.0.3) gets as far as Phase 3 it finds and corrects zerolength entries, offsets on directories and bogus inode numbers. However the final two lines are:

Code:

realloc failed in blkent_append (2671166480 bytes)
zsh: segmentation fault xfs_repair /dev/loop1

A search on the error missing out data size just returns code to generate it, is anybody able to explain what it means? Also remounting hard drive, ls and varients of still do not return anything. Am I missing some thing (root I am logged in with now would have different credentials presumably to root on the NAS box, so how do I get around this)?

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General :: Raid - Recover Software RAID5 Array After Server Upgrade?

Jun 7, 2011

I recently upgraded a server from Fedora 6 to Fedora 14. In addition to the main hard drive where the OS is installed, I have 3 1TB hard drives configured for RAID5 (via software). After the upgrade, I noticed one of the hard drives had been removed from the raid array. I tried to add it back with mdadm --add, but it just put it in as a spare. I figured I'd get back to it later.Then, when performing a reboot, the system could not mount the raid array at all. I removed it from the fstab so I could boot the system, and now I'm trying to get the raid array back up.

I ran the following:mdadm --create /dev/md0 --assume-clean --level=5 --chunk=64 --raid-devices=3 missing /dev/sdc1 /dev/sdd1I know my chunk size is 64k, and "missing" is for the drive that got kicked out of the array (/dev/sdb1).That seemed to work, and mdadm reports that the array is running "clean, degraded" with the missing drive.However, I can't mount the raid array. When I try:mount -t ext3 /dev/md0 /mnt/fooI get:

mount: wrong fs type, bad option, bad superblock on /dev/md0,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try

[code]....

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General :: Recover An Application In Sleeping State After An X Server Crash?

Jan 28, 2011

I often run calculations on my Linux computer, which cause my X server to crash from time to time. Almost always, some programs seem to survive to the crash and are in an interruptible sleeping state, for example:29315 ? Sl 54:35 /home/kashim/Desktop/anylogic/anylogic -vmargs -Xmx1024MIs there a way to reconnect these applications with the new X server?

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Ubuntu :: Crash : Recover Or Access Files Via The CD, Live, During Install Or After ?

Mar 25, 2011

Ubuntu 10.10 has crashed and I'm resigned to a re-install, however is there any way to recover or access my files via the CD, live, during install or after ?

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Server :: Recreate A Raid5 MD0 Into A Raid5 MD3?

Jan 9, 2010

I have no drive failures but just need to recreate a raid5 set as the next free MD disk number. Originally I built a temp OS of debian on a single drive and had 4x2TB drives in a raid5 software array (MD0) this worked fine and allowed me to move all data to it, and remove our old fileserver. I have now pulled out the 4 x 2TB Raid 5 drives and created a new OS on two new 80GB drives, partioned as follows,

MD0 is now 250mb Raid1 as /boot
MD1 is 4GB Raid1 Swap
MD2 is 76GB Raid1 as /

If I turn off and push back in the 4x2TB drives I cannot see a MD3. I presume I would need to create a MD3 from these 4 drives but I dont want to mess things up as its live data. So im here asking for help, or a bit of hand holding to get it done right.

PS - Its a Debian Lenny 5.0.3 Raid1 fresh install replacing a Debian Lenny 5.0.3 on a single disk.

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Ubuntu Servers :: Convert Mdadm 6 Disk Raid5 To 5 Disk Raid5?

Jun 30, 2011

I know you can fail and then remove a drive from a RAID5 array. This leaves the array in a degraded state.

How can you remove a drive and convert the array to just a regular, clean array?

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OpenSUSE Install :: Raid5 Not Starting Up After Reboot?

May 29, 2011

Running OpenSuse 11.4 and have setup 2 x Raid5 configs - raid created, disks format, everything working fine. I've just rebooted and the raid5 fails to initialize.

Getting these errors:

Code:
May 29 16:58:30 suse kernel: [ 1788.170692] md: md0 stopped.
May 29 16:58:30 suse kernel: [ 1788.197864] md: invalid superblock checksum on sdb1
May 29 16:58:30 suse kernel: [ 1788.197876] md: sdb1 does not have a valid v0.90 superblock, not importing!

[Code]....

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OpenSUSE Install :: How To Mount/show Windows RAID5

May 21, 2010

I have just recently installed opensuse 11.2 (on a seperate hdd) on my file server. I have a highpoint rocketraid card in the system with 4 x 1.5tb HDDs. I'd like to get my RAID5 showing up without loosing any data? Is this possible??I have been following this post over HERE

/proc/partitions
major minor #blocks name
8 0 1465138584 sda
8 16 1465138584 sdb
8 32 1465138584 sdc
8 48 1465138584 sdd

[Code]...

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OpenSUSE Install :: 11.0 Raid5 LVM Logical Volume Not Mounting?

Apr 22, 2011

I have a raid 5 with 5 disks, I had a disk failure which made my raid go down, after some struggle I got the raid5 up again and the faulty disk was replaced and rebuilt itself. After the disk rebuilt itself I tried doing a pvscan but could not find my /dev/md0. I followed some steps on the net to recreate the pv using the same uuid then restored the vg(storage) using a backup file. This all went fine.I can now see the PV, VG(storage) and LV's but when I try to mount it, I get a error "wrong fs type" I know that the lv's are reiserfs filesystems, so I did a reiserfsck on /dev/storage/software, this gives me the following error:reiserfs_open: the reiserfs superblock cannot be foundNow next step would be to rebuild then superblock, but I'm afraid that I might have configured something wrong on my raid or LVM and by overwriting the superblock I might not be able to go back and fix it once I've figured out what I didn't configure correctly.

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OpenSUSE Install :: RAID5 Array Fails To Automount After Reboot

Apr 26, 2009

I've got a RAID5 array that doesn't want to automount after rebooting. I'm pretty familiar with linux, RAID, and mdadm, and up until now, I've had the RAID5 array working just fine. However, whenever I reboot, the array drops off and won't remount until I manually assemble and then mount the thing. I find this odd because I had everything automounting just fine back in 10.3, and even in 11.0 (I think - not sure on that). Currently, things are working, but I'd really like to not not have to type

Code:
mdadm --assemble /dev/md0 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1
followed by
Code:
mount /dev/md0 /mnt/data every time I reboot. Even including this in some sort of start-up script seems kludgey... Surely there must be a more elegant way of automatically bringing up a RAID5 array after booting? I'm not sure what information you'll need, so I'm going to go ahead and include as much as I can anticipate...

So having already used the commands:

[Code]....

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Software :: Moving Software RAID5 Set From OpenSuse To Ubuntu?

Dec 24, 2010

I've got 3 x 1TB drives in a software raid5 array on OpenSuse 11.3 I have to move to Ubuntu. I've have to following:

Quote:

/dev/md0:
Version : 1.00
Creation Time : Sun Jun 27 12:28:59 2010
Raid Level : raid5

[code]....

If however I try to mount the raid5 volume I get:

sudo mount /dev/md0 /raid5/
mount: unknown filesystem type 'crypto_LUKS'

The volume is not encrypted? What am I missing? Its a ext4 volume and I've tried using -t ext4, still doesnt work.

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Mar 3, 2010

I would like to know if is there a good software for linux to recover files from SD/MMC memory cards, USB Flash memory, NTFS and FAT16/32 Partitions

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OpenSUSE :: Recover From Console Login?

Feb 18, 2011

I'm trying to debug a game with gdb. The game runs in fullscreen and causes a segmentation fault and then gives control back to gdb. However, since the game is in fullscreen, the gdb session can't be viewed. So, at this point I did CTRL-ALT-F6 which blanks the screen and gives me a console to login with. I do this and determine the PID of the game process and kill it. This should remove the x-window the game was using and leave the gdb session on my gnome-terminal. I then exit the console login, which leaves me at a console login prompt.

Now is the problem. How do I return back to my gnome-terminal gdb session, ie, how do I recover from my console login? Via email, somebody informed me that CTRL-ALT-F9 works for him, but it does not for me. In fact, I've tried CTRL-ALT-<every function key> and nothing works for me. The only thing for me to do at this point is to kill the power.

(BTW, the game must be debugged in fullscreen because the problem goes away when not in fullscreen.)

I'm running openSUSE 11.3 32-bit.

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Mar 16, 2011

I have an SD card and when I plug it in to my desktop (which is openSUSE 11.3), it shows up in Dolphin and shows all folders and files. however when i try to view or copy a file(either by double clicking or using "cp" command) it throws an error:

Code:
cp: reading `/media/disk/DCIM/100OLYMP/P1010202.JPG': Input/output error

how I can recover these files? Any tools I can use in OpenSUSE?

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Jun 8, 2011

I've spent the day developing a JavaScript file when my computer battery went flat and turned off. On reboot I'm shocked to see the file is completely blank. Is there any possible way to recover that file? Firefox cache or anything?

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Oct 22, 2010

I'm sure you guys get this a lot, but a few google searches didn't reveal much of anything. I accidentally overwrote Windows and want to know if there's any way to recover the files. I mean, it'd be great if I could recover the whole OS, but that seems unlikely.

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Apr 1, 2011

After sleep (sleep to RAM), I want to recover it, but the system have no responses, just the power light is on. Then, I only can turn off the power, and restart it.

How can I check this problem? some logs?

My laptop is Acer AS4530, and os is openSUSE 11.4 x86_64, Desktop is KDE 4.6 .

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Mar 10, 2010

I have reinstalled the suse and am unable to get "lvm info".........am very upset and is running server. how i can get lvm back, i did not format those drive and they are different storages from server.

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Mar 3, 2010

I ran 11.1 security update today, now the system will not recognize most of my hardware, will not enter X,, how can I recover or revert back? I have hardwired and cannot get the network card to work,,,errors at boot indicate a problem with modules....this all occurred after rebooting from today's update??

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Dec 12, 2009

I recently installed 11.1 via unetbootin from the network onto an old Sony VAIO laptop. After the installation completed, I suppose the OS started to boot, but I was presented with a black screen. I heard "chimes." The black screen does not provide any visible feedback from mouse or keyboard input. I hard rebooted and was presented with an interesting background graphic (grayish, I think) that faded to the same black screen.

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Feb 25, 2010

i got myself in a really dumb position. i upgraded from 11.0 to 11.2 this morning. after restarting it loads up everything and then shows me a login/password prompt. i have forgotten what my login is, i know my password.

is there anyway to find the login name?

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Sep 10, 2010

I have a laptop with an original linux Suse Enterprise 11 OS, and a Windows 7 installed after, I'm a beginner in Linux and actually I need some disk space, so I gonna free the linux one, so two partitions should be wiped, the ext and the swap, and that will provide enough space for my purpose, my questions is the follow: I'll be using Gparted to format, does not this make any issue or conflict with windows 7? I have a partition of the Suse System Recovery (to conserve of course), if I have formatted the partition where the Suse was installed, are there any risk to lose (crush) other partitions? If I want to install (recover) my Suse after freeing spaces (two disks) using my System Recovery CD, (again ^^) are there any risk to lose (crush) other partitions?

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Feb 13, 2010

I tried KDE 4.4. I'm back to using KDE 4.3.5. Very bad experience for me, maybe it's just my system openSuSE 11.1 on AMD x86_64 with 4gb memory. Dolphin was unusable. Deleting a file cause it to crash, go in to a directory with a large number (20,000) of images and it would hang and eventually crash. PIM has removed some of the features I used, main one being ability to add Custom Fields to Contacts and assign categories.

In general, the whole thing was slower, not faster, probably because now it requires Neopmunk to be running and the Akondi server. I'll wait a while and try again and see if it gets stable in first update.

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OpenSUSE :: Crash When Changing Theme?

Aug 28, 2010

when I want to change theme (control center-> apparence, I don't know the name of the application), gnome-settings-deamon crash. When I lauch "apparence" again, gnome-settings-daemon is restarted and it make X restart ! The problem has come with the upgrade 11.2->11.3Here is the output of gnome-settings-daemon when it is restarted (when X crash)

Code:
** (gnome-settings-daemon:16223): WARNING **: Can not run apport-checkreports
(gnome-settings-daemon:16223): GLib-GObject-WARNING **: IA__g_object_notify: object class

[code]...

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Sep 13, 2010

I sometimes use webkit in Konqueror to view certain sites, but lately I haven't been able to since Konqueror crash everytime I activate webkit. I searched for this issue on the web and found among others this:[URL].. I downgraded Flash to 10.0.45xxx and it seems like Konqueror runs fine with webkit now. However I now got this message browsing Hattrick.org:

icedteanp plugin error: Failed to run /etc/alternatives/../../bin/java. For more detail rerun "firefox -g" in a terminal window. This error only occur when using webkit, not with KHTML.

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Oct 4, 2010

anyone has experiment this? If I install KDE 4.5 on a PC without 3D support kwin crash, if I add a 3D capable video card it works O.o VampirD

Microsoft Windows is like air conditioning
Stops working when you open a window.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.15 (GNU/Linux)
Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org/

[Code]...

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Jun 10, 2011

For a few days now every time I start xdvi, Xorg crashes completely. The screen freezes and no input seems to have any effect. So I have to reset the PC. I'm on a 64 bit 11.4, KDE setup, the graphics driver is nouveau.

Here is the part of Xorg.0.log, that seems to be relevant:

Code:
Backtrace:
[ 1772.204] 0: /usr/bin/Xorg (xorg_backtrace+0x28) [0x483068]
[ 1772.204] 1: /usr/bin/Xorg (0x400000+0x5e6d9) [0x45e6d9]
[ 1772.204] 2: /lib64/libc.so.6 (0x7f16585e5000+0x32b30) [0x7f1658617b30]

[Code].....

I tried to reinstall the packages containing libc.so.4 and libexa.so with no improvement.

Are there any other log files, that could give more information?

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Aug 17, 2011

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Nov 13, 2009

I've installed OpenSUSE 11.2 x64 on my Intel Core 2 Quad machine with 8GB of RAM nstallation went perfect. After the main installation, I've installed the XEN-kernel. Booting into the XEN-kernel goes fine.But, now I want to install the first domU (paravirtualized). I use the same installation disk but OpenSUSE 11.2 won't install. It crashes directly. Neither the x64 or the x86 version works.The strange thing is that I can install OpenSUSE 11.2 as "full virtualized".Also, OpenSUSE 11.1 (paravirtualized!) as a domU works perfect!!

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