CentOS 5 :: Repair Filesystem / Restore Logic Volume?

Aug 31, 2009

I have created two logic disks /dev/VolGroup00/LogVol00 and /dev/VolGroup02/LogVol02
After reboot has disappeared /dev/VolGroup02/LogVol02
How to restore logic volume?

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Ubuntu :: Finding Filesystem Type/repair Broken Filesystem?

Jul 9, 2010

I have a following problem: Recently my drive with Ubuntu 9.4 has mysteriously stopped working, i.e. when I switch the computer on it informs me that GRUB didn't find the filesystem. Well, I suppose it happens.

First, I though it was due to the drive dying, but I popped it in an external enclosure and HDTune told me the drive was fine. Wanting to recover the files on the drive before reinstalling I first tried to mount it in said external enclosure under Windows (I have Win Ext2 driver installed which used to work just fine). This time, however, drive gets assigned a letter but upon opening it Windows popped up an error saying that the drive was not formatted and whether I would like to format it then.

Unfazed by this streak of failures I tried to mount it under Linux but, alas, to no avail. I might have tried every single -t operator under mount command but it still won't budge and let me mount.

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CentOS 5 :: Grow Volume/filesystem Without Reboot?

Oct 13, 2009

I'm looking for insite on how it might be possible to grow an existingvolume/partition/filesystem while it's in active use, and without having to add additional luns/partitions to do it.For example the best way I can find to do itcurrently, and am using this in production, is you have a system using LVM managing a connected LUN (iSCSI/FC/etc), with a single partition/filesystem residing on it.To grow this filesystem (while it's active) you have to add a new LUN to the existing volume group, and then expand the filesystem. To date I have not found a way to expand a filesystem that is hosted by a single LUN.

For system context, I'm running a 150 TB SAN that has over 300 spindles, to which about 50 servers are connected. It is an equal mix of Linux, Windows, and VMware hosts connected via both FC & iSCSI... With both Windows & VMware, the aforementioned task of expanding a single LUN and having the filesystem expanded is barely a 1 minute operation that "Just Works".If you can find me a sweet way to seamlessly expand a LUN and have a Linuxfilesystem expanded (without reboot/unmount/etc)I have cycles to test out any suggested methods/techniques, and am more than happy to report the results for anyone else interested. I think this is a subject that many people would like to find that magic method to make all our lives much easier

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General :: How To Repair Filesystem In Red Hat

Apr 19, 2010

How to repair filesystem in Red Hat Linux version 5.0

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Fedora :: Repair / Restore Partition Table?

Aug 6, 2010

I ve got a dual boot, XP and FC 12 on a single harddrive. After defragmentation of NTFS partition (With XP installation) cant'boot linux So, rub statrts with boot menu after selecting linux it tries to load linux but prints out some messages again and again (I do not remember contetn of messages) And these messages are circulating

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Ubuntu :: Repair Installation / System Restore?

Oct 3, 2010

OK, so about a week ago or so my Ubuntu 10.04 install no longer recognizes my iPod Touch or Iphone. I have had no luck getting them to work. i REALLY do not want to fresh install Ubuntu. Is there a way I can like repair or restore (a la "Window$") that will fix the OS itself without removing any programs or settings?

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General :: Repair Filesystem After Deleting RAID

Apr 4, 2010

Playing with the Box, I deleted a Raid-0 partition intentionally, saved it, and reboot drops me to (Repair Filesystem#) prompt. I notice during boot-up that the box didn't find /dev/md0, which is expected.

So what's the recovery procedure, since I can't edit #/etc/fstab, permission denied.

#fdisk -l
shows all other partitions.

Not much familiar with fsck/e2fsck, yet like to give it a try.

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Ubuntu Installation :: Repair/restore Grubin A Multiboot System

Apr 3, 2010

I have a laptop with 250 GB SATA HD that has the following:

Win7 Pro installed first with sda1=system reserved partition, sda2=C: drive, sda5=separate software application programs to differentiate from Windows' Program Files. Ubuntu 9.10 was installed next (sda6=common swap partition for all Linux distros, sda7=Ubuntu root, sda8=Ubuntu home). Then Opensuse 11.2 was installed with sda12=root and sda13=home. Finally FedoraCore11 was installed with sda9=boot, sda10=root and sda11=home. Ubuntu and Suse have grub loader in their own root partitions.

Suse's grub menu controls all OS's. From this grub menu I can select Windows or any other Linuxes. Suse uses legacy grub because it was installed right after Ubuntu 9.10 which uses (legacy) grub.

Here is opensuse's grub menu:

# Modified by YaST2. Last modification on Wed Mar 31 11:49:28 EST 2010
# THIS FILE WILL BE PARTIALLY OVERWRITTEN by perl-Bootloader
# Configure custom boot parameters for updated kernels in /etc/sysconfig/bootloader
default 1

[Code]....

Somehow I also messed up Windows' boot file and boot partition table. Now I am still trying to use Windows installation CD to repair Windows but it has taken several hours and am still waiting for screen response. I cannot boot into any Linux distro either.

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OpenSUSE Install :: 11.2 Repair Ext3 Filesystem Within Encrypted Lvm2

Jan 4, 2010

I have two ext3 partitions within an encrypted lvm2 volume. when i start up my system it says that there are 0.3% non contiguous blocks.

This is my steup:

When i want to repair with repair system from dvd it tells me that the repair and check operation for encrypted LVM devices is not supported. so how can i fix my filesystem?

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OpenSUSE Install :: 11.0 - System Stopped Working- Repair Filesystem - #

Jan 21, 2011

I am running Suse 11.0 and the system had stopped working. I booted from the disk and chose repair system. Now I can get to the Give root password for login and it accepts the password, but I get the line
(repair filesystem) #

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Fedora :: Changed Partition Size - Repair Filesystem Error On Booting

Sep 19, 2009

I am using Fedora core 10. I have changed my partition size of Linux from windows. After I finished resizing the partition, I rebooted my system to the Linux platform. While booting it gave me an
error: repair filesytem #1:
I don't know what to do?

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General :: How To Repair Filesystem - Appearing As Free Space - Recover The NTFS Data Partition ?

Feb 16, 2010

Original disk:
XP NTFS primary
Linux / ext4 logical
Linux /home ext4 logical
Win 7 NTFS logical
NTFS data logical
swap space
NTFS recovery partition

I tried to install linux, as there was a problem with XP overwriting grub, I chose write grub to /dev/sda8 (which is where the linux install was appearing earlier).

I guess this borked the filesystem somehow. Now the NTFS data partition and the swap space are appearing as one free space.
Well actually before that some linux live CDs (including gparted were seeing the entire drive as unpartitioned). I had to go into XP and delete the /ext4 partitions.

Is there any way for me to recover the NTFS data partition ?

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Hardware :: Using DD To Restore Filesystem?

Jan 14, 2011

my second partition on sda needs to be wiped out and i want to use dd to restore a backed up filesystem to it. can this be done without using mkfs? i don't want ot use mkfs because it is a ssd and it won't restore the nand to factory condition.

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Ubuntu :: Restore Partition With Unknown Filesystem

Apr 11, 2011

I recently did a clean install of 11.04 Beta, and I must have done something wrong with the mount points during installation, which resulted in me having a different home folder mount point or something. The old partition on which I have my home folder needed to be mounted manually. I did that once, and then upon reboot, I couldn't access the partition anymore. Disk Utility now shows the partition as "unknown filesystem".

The output of fdisk is as follows (if that helps at all):

Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

[Code]....

On a side note, I tried using TestDisk to restore the partition, but I only created a DD image of the damaged partition, but now I'm stuck, as I'm not sure how to mount it, or if it's possible to retrieve files if I succeed in mounting the image.

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Red Hat / Fedora :: (Repair Filesystem) 32 # - Computer Won't Boot Up After Edite The "/etc/fstab"

Jan 27, 2011

I edited /etc/fstab and after that the computer won't boot up. I got as far as (Repair filesystem) 32 #mount -w -o -remount / and it says already mounted or busy. I type (Repair filesystem) 32 #mount And it looks like all mount points are (rw) I try to edit /etc/fstab but when I save it I get told that the filesystem is READ ONLY.

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Debian :: Cannot Mount Volume Other Than FileSystem?

Jul 20, 2010

I have installed debian recently and not able to mount any other volume except FileSystem. It says -You are not privileged to mount this volume.I have tried everything including raising the permissions of the user and changing the group to root but in vain.??

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Ubuntu :: How To Restore Deleted Logical Volume

Jul 30, 2010

I have 3 harddisks, 1 for system and 2 for data.

To manage it more easy, I tied 2 harddisk in LVM. And I made an logical volume. It used ext4 for it's filesystem.

Today, I wanted to format and reinstall the system. So I booted the system using Ubuntu CD. But managing the partition, I accidently delete the logical volume. Because backup(/etc/lvm) was in itself, I couldn't restore the old config. I just create new logical volume.

As I expected, I couldn't mount it correctly. Mount said that "Mount: Mouting failed A on B! Invalid argument!"

I must recover it, because it has a lot of import data. What should I do?

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CentOS 5 :: Add New RAID Volume To The Existing Logical Volume?

May 7, 2011

I have a system with a 2TB RAID level 1 installed (2 x 2TB drives, configured as RAID1 through the BIOS). I installed Centos 5.5 and it runs fine. I now added another 2x2TB drives and configured them as RAID1 through the BIOS.

How do I add this new RAID volume to the existing logical volume?

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General :: Restore The Gnome Panel Volume Control In 10.04?

May 25, 2010

I use alsa, and I don't have a volume control applet on my Gnome Panel.When I right click and select "add to panel", there is nothing that has to do with "sound", "audio" or "volume" in the list, and the "Indicator Applet" or "Indicator Applet Session" things have no volume controls, or properties that would let you enable any sort of volume control.

How can I get a volume control in Ubuntu, so I don't have to run aumix in a terminal or something? I've got the thing working now. But does anyone know why the new, fancy "Indicator Applet" volume control doesn't appear? The Gnome Volume Control Applet isn't as nicely featured, although it actually works.

I've been using Linux since Redhat 5, it's beyond me why these sorts of problems are still around. Someone should just put a damn "Volume Control" element in the list of things to add to the panel, even if it doesn't work, perhaps showing an error message.

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Ubuntu :: Importance Of Pulseaudio Volume Restore Module?

Nov 17, 2010

What is the importance of 'module-volume-restore' in Pulseaudio configuration file(/etc/pulse/default.pa)? The Login sound on my Lucid desktop is very loud.Upon searching,i found that above(module) can be the cause of the problem.

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Fedora Installation :: Clone Partition And Restore It To Logical Volume?

Nov 17, 2009

I'd like to clone a partition, and then restore it to a logical volume. I have all three operating systems at my disposal (Mac, Windows, Linux Live CD) What is the best way to achieve this. The partition I am trying to resize is only 200MB, so I can store it on usb if need be.

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Ubuntu :: Volume Filesystem Root Has Only 25mb Space Remaining

Feb 28, 2011

I'm getting an error message that something along the lines of "volume "filesystem root" has only 25mb space remaining". How do I increase the volume size so I never have to worry about it again? This is the 3rd time I've tried ubuntu and it's sticking more and more but this has me thoroughly perplexed. I've got a 320GB HDD partitioned 3 times with a Linux partition being 7GB.

Dual booting Win7Pro.
Running ubuntu 10.10 64-bit

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Ubuntu :: How To Restore Missing Volume Button To System Tray After Upgrade

Jan 2, 2011

I'am Using UBUNTU 10.10 version i upgraded my os then the volume control button on system tray and the previous "Indicator Applet" were gone. Now i added the volume control button by adding "Indicator Applet" from Add to Panel option at tray. But i also tried the following:

"Use Alt+F2 to open the Run Application app, paste gnome-volume-control-applet into the text field, and click the Run button" Then i had two volume control buttons after that i tried to remove the volume button which is came by the command line Not from the Indicator Applet Next i tried the following code in terminal to remove the volume button which was came from command line:

"sudo apt-get purge indicator-sound"

But the wrong thing is the volume button on Indicator Applet was gone I also add the indicator applet but the volume button doesn't coming back with the applet Now i want the Original Volume button along with the applet Not the other button.

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CentOS 5 :: How To Repair File System

Oct 11, 2009

I fouled up the file system when removing a drive. How do I fix it, or do I need to re-install?

The system boots to the point in the GUI where it checks the file system. It then suggests that I run fsck without the - a and -p options, and the drops to a sheel.
I enter the root pwd and then it says: "(Repair fileystem ) 1#" What do I do from there?

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Fedora :: Find Documents Or Repair - Add In A Repair Line?

Nov 10, 2010

i know i asked earlier but i got my usb to be mounted on a different fedora distro. how do i now find my documents or repair it? also how do i add in a repair line if possible?

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CentOS 5 :: LVM2 Clustered Mirror Monitor And Repair?

Apr 8, 2009

I am using LVM2 Clustering to mirror logical volumes between 2 different storage arrays ( iscsi target hosts). Everything is up and running fine, but I would like to be able to monitor the status of the mirror(s), and "re-sync" them if necessary.

I have attempted the locate the information from Google. From what I have read, lvdisplay -v should tell me whether the mirrors are in sync, but it either is not, or I am simply miss reading it. I have come also across information stating lvchange -m [ 0 | # ] should be used to add or remove mirror copies. Is the is correct / only way to "resync" a mirror, in the event that I can determine the mirror is actually out sync?

For those who are familiar with Symantec's VERITAS volume manager, I am looking get the equivalent information related to plexes from vxprint, the equivalent function from /etc/vx/bin/vxreattach -br, and the progress information from vxtask list. I hope the information is currently "search challenged", or I am simply not fully comprehending what I have found.

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Fedora :: Home Partition And Create Logical Volume Out Of 53 Gb Filesystem Partition?

Aug 24, 2010

I installed fedora 13 64 bit and it works great but I encountered several issues when setting up guest OS with KVM. The problem seems to be related to selinux. But let me first ask question about logical volume. By Default fedora created logical volumes:

[Code].....

"If you expect that you or other users will store data on the system, create a separate partition for the /home directory within a volume group. With a separate /home partition, you may upgrade or reinstall Fedora without erasing user data files." seems to suggest I have to create a separate physical partition and assign that to /home. But reading elsewhere it seems to suggest logical volume acts like a partition. My goal is to make it easy in case fedora is hosed and I have to re-install it without affecting /home where my cirtical data resides. Given above do I need to create a separate physical partition or I am just fine?

I have a second hard disk that originally had windows and all my data. Windows is hosed but I can see my data from within Fedora and Windows is gone and I created created new partition in its place which used ot be the C:/ drive appears as 53 Gb filesystem. My data which was originally D drive appears as 215 GB filesystem. As given in [URL] I want to create a new logical volume in 53 Gb filesystem which I want to use as space for virtual disk to install guest OS's in KVM. Currrently 53 GB filesystem is mounted as /media/3467BH89JK789 but this does not work well with KVM. how do I create this logical volume out of 53 Gb filesystem partition and add proper selinux info and do I add to vg_vostrolx volume group and in a different volume group?

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Ubuntu :: Volume "filesystem Root" Has Only 474.8 MB Disk Space

Apr 25, 2010

When I logged in today I got this message:

The volume "filesystem root" has only 474.8 MB disk space remaining

What does this mean??

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CentOS 5 Server :: Can't Mount Ext4 Filesystem In Centos 5.6?

Sep 7, 2011

Summary of issue: EXT4 filesystem won't mount--with error = mount: unknown filesystem type 'ext4'. Is no ext4 in kernel the issue? Or is something corrupted?Really perplexed by this. I updated Centos 5.5 to 5.6 to get ext4 (5.6 is supposed to have full support of ext4). I built several arrays and put the ext4 filesystem on them. All went well until I tried to mount them. BTW, this array (below) is set up as a RAID6 using partition 1 of #8 2TB drives.Bear with me here; just trying to be complete and not waste your time.

Attempting to mount give this:[root]# mount -v /dev/md1 /asc/array1mount: unknown filesystem type 'ext4'Note: it does "fake" mount with ption (which apparently does everything except the system call):[root]# mount -f -v /dev/md1/dev/md1 on /asc/array1 type ext4 (rw,grpquota,usrquote)e2fsprogs:Package e2fsprogs-1.39-23.el5_5.1.x86_64 already installed and latest version (for Centos 5.6; CentOS 6x uses the 1.41...)

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Fedora :: Logic Puzzles For System?

Jan 21, 2011

Does anyone know of any logic puzzles for linux. I have been using gnomes sudoku but would like a bit more variation. Examples of the sort I have been looking for are:

http://en.wikipedia.org/wiki/Kakuro
http://en.wikipedia.org/wiki/Nonogram
http://en.wikipedia.org/wiki/KenKen
http://en.wikipedia.org/wiki/Hidato
http://en.wikipedia.org/wiki/Futoshiki

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