Server :: Unable To Mount Additional Harddrive From RAID Volume System

Apr 8, 2010

I believe server section is the best when speaking of RAID stuff...

I have the following situation:We have a DELL T3400 with embedded fake raid on it. I dont know exactly how the system was setup (I wasnt here at that time), but the RAID was enabled in bios and while booting, the two harddrives would be seen as members of intel raid volume0 (RAID 1 mirror). I am not sure if the software raid was actually properly configured in Linux (Fedora 9) and if the OS was reconstructing the whole raid or it was just the bios part that was mirroring the /boot or just some parts of it. Frankly I find these hydrid raids very confusing.Some bad disk manipulation from my part caused the server to crash, but I was able to recover and boot just with one hard drive after using fsck.

I decided to get rid of the raid as it's not the right solution for the application we need it for and decided to go for a traditional single harddrive system and to use Ghost for Linux to clone to a spare disk when backups are needed.So I installed the latest Fedora 12 distribution onto another harddrive and disabled RAID in bios (changed from RAID ON to autodetect, which is the only other option).

Here is what I have now:
/dev/sda has the newly installed fedora 12
/dev/sdb is an empty harddrive that I would use as an intermediate
/dev/sdc is the old harddrive member of intel raid volume0

sdb was partitioned into sdb1 sdb2 and sdb3 and I created an ext3 filesystem on sdb2. The hard drive belonging to RAID volume0 (sdc) has a lot of work done on it and I would like to be able to recuperate the files to the new disk (sda). I cannot mount that old harddrive while in fedora 12, as it sees some unknown raid member filesystem on it probably assigned by the intel raid chip.

So I decided to do it from the other side: to boot from raid volume 0, and from there mount a third intermediate harddrive (sdb) onto which I would copy the documents and then mount the same harddrive from the newly installed fedora 12 and copy those documents from that intermediate harddrive.I can mount /dev/sdb2 from fedora 12 fine and copy stuff to and from it, but not when I boot from the RAID volume 0 harddrive (sdc) with fedora 9 on it. It keeps saying that the partition in question (/dev/sdb2) is an invalid block device.I am stuck here, as my knowledge in this sort of things is very limited.If somebody can indicate me how to recuperate files from that old raid harddrive onto the new fedora 12 drive, I would appreciate a lot.

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Feb 2, 2010

I wanted to read out a friend's windows hard drive, so I took the IDE connection from my CD drive and plugged it into the hard drive.

Now at boot time at the stage where it usually checks all partitions, linux complains about "zero length partition of that harddrive" and then stops giving me an emergency login.

Maybe that hard drive is actually faulty, even though I see all partitions correctly in windows. What can I do to make linux stop checking it? Is there a boot time option?

I suppose later I can manually mount a /dev/sdb or so device. I just have to figure out which

PS: what the easiest way to check which devices/partitions are available to mount?

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Jun 22, 2010

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[code]...

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Jan 6, 2010

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My Windows-system has broken down and I can't reach my files on the hard drive, because i'm unable to boot Windows.

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Details: '$LogFile indicates unclean shutdown (0,0). Failed to mount '/dev/sda1': Operation not supported Mount is denied because NTFS is marked to be in use.

Choose one action:

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Choice 2: If you don't have Windows then you can use the 'force' option for your own responsibility.

For example type on the command line: mount -t ntfs-3g /dev/sda1 /media/OS -oforce Or add the option to the relevant row in the /etc/fstab file: /dev/sda1/media/OS ntfs-3g defaults,force 0 0

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Jul 1, 2009

I'm experimenting on a new 5.7TB raid we got for one of our servers before it goes into production. I'm carving the space up into Volume Groups and Logical Volumes. Below is some sample output:

[root@server newhome]# vgdisplay
--- Volume group ---
VG Name extraid_sdd1
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
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PE Size 4.00 MB
Total PE 476804
Alloc PE / Size 476804 / 1.82 TB
Free PE / Size 0 / 0
VG UUID LJPJVE-fekS-crS8-uugk-l13z-0NG0-FWv3M3

--- Volume group --
VG Name extraid_sdb1
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 1
Max PV 0
Cur PV 2
Act PV 2
VG Size 3.64 TB
PE Size 4.00 MB
Total PE 953608
Alloc PE / Size 953608 / 3.64 TB
Free PE / Size 0 / 0
VG UUID kzlLN4-PyrX-LYUS-h1Tc-1S9F-jVV0-XU5tcK

Because I created this, I know that the second 3.64tb Volume Group, extraid_sdb1, is composed of two physical volumes, /dev/sdb1 and /dev/sdc1, each one 1.82TB in size. My question is, if I hadn't made this and had to work backward, how could I discover that info? I can see that the second VG is composed of 2 PVs by the "Cur PV" line. But if I didn't know that they are my /dev/sdb1 and /dev/sdc1, how could I break that out, as well as their sizes? If it matters, this system is running FC6.

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Jul 27, 2011

When I try to open my flash stick's folder:

Error mounting: mount exited with exit code 1: helper failed with:

mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail  or so

Here are some, probably, useful information:

root@debian:/home/dagrevis# fdisk -l /dev/sdb
Disk /dev/sdb: 2004 MB, 2004877312 bytes
129 heads, 32 sectors/track, 948 cylinders
Units = cylinders of 4128 * 512 = 2113536 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

[Code].....

On Windows it works... only problem - the Windows don't work as I want.

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Feb 15, 2010

Cannot mount volume.

Unable to mount the volume 'My Passport'.

Details

$MFTMirr does not match $MFT (record 0). Failed to mount '/dev/sdb1': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). see the 'dmraid' documentation for more details.

I'm trying to reinstall ubuntu because I messed up a bunch of stuff but I need to back it up on this hard drive which won't mount in any linux distro.

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Jun 2, 2010

I didn't have Linux until the day Windows crashed on me for the gazillionth time. I was simply playing some music in Windows Media Player as the entire PC froze. No CTRL+ALT+DEL, no alt F4... so I was forced to hard-reset my computer using the ON-button. After that it never launched Windows again simply because it didn't feel like it. Now, we're not here to find out why Windows is a bitch about all this, my real problem lays somewhere else. Seeing as a lot of important files were on my Windows drive I figured I could just install Linux on the other drive and fetch the files from there. The problem is I can't. Every time I attempt to open the disk I get the following error:

Quote:

Cannot mount volume.
Unable to mount the volume.

Hibernated non-system partition, refused to mount. Failed to mount '/dev/sda2': Operation not permitted. The NTFS partition is hibernated. resume and shutdown Windows properly, or mount the volume 'read-only' with the ro-option. Or mount the volume 'read-write' with the remove_hiberfile-option.

Code:

mount -t ntfs-3g /dev/sda2 /media/disk -o remove_hiberfile

I've tried both the ro-option and the remove_hiberfile but in both cases I'm given this error in the console:

Quote:

Mount is denied because NTFS is marked to be in use.

Choice 1: If you have Windows.. click on the 'Safely Remove Hardware' icon in Windows task bar to shutdown Windows cleanly..

Choice 2: If you do not have Windows then you can use the 'force' option...

And thus looping me back to the first command, upon entering I will again receive the first error. Things I have tried:

- said commands or slight variants

- re-installing windows (gets stuck during installation)

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- most likely my Windows system files have gone corrupt and I will need a format, but I'm not willing to do that unless I'm a 100% sure there is no way for me to extract the files first. I have an Acer ASPIRE 7720G (laptop) running an Intel Core Duo T7500 and have 2 physical hard drives (each as one large partition) of 500GB, further more it has 4GB DDR2 RAM memory and a fancy graphics card.

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Feb 18, 2010

I am not well versed in using Ubuntu. I was using Win XP Pro SP3 on my old machine. I decided to make the move to Ubuntu. No problem since all files on the primary drive of the old machine were just OS related. I kept all of the important stuff (music, documents, reg codes, etc.) The computer had no problem importing the songs on the external drive to the music library. I am playing songs and loving it. Now the problem... when I am starting with ubuntu I don't find the drive and I can't mount it.

I get a box stating:
You are not privileged to mount this volume
DBus error org.freedesktop.DBus.Error.NoReply:
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Aug 21, 2010

The problem I'm having didn't seem to be covered in other posts. Despite following what is supposed to be a straigtforward method, I am still unable to mount /dev/sda1.

Using Ubuntu 10.04 LTS LiveCD - Lucid Lynx

sudo /bin/bash
fdisk -lDisk /dev/sda: 250.1 GB
Disk identifier: 0xa08ea08e
Device Boot Start End Blocks Id System

[Code].....

I find it strange that fdisk sees the drive but mount doesn't.

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Jul 10, 2011

When I installed Ubuntu, I created an 52 gb encrypted partition which shows up in the disk utility, and in the window that opens when I click on the "home folder" icon. I get my normal windows partition, and under that the 52 GB LVM2 partition. But when I try to access it, I get this error.

Unable to mount 52 GB LVM2 Physical Volume - not a mountable file system

This is what fdisk -l shows

Device Boot Start End Blocks Id System
/dev/sda1 * 1 52 409600 27 Unknown
Partition 1 does not end on cylinder boundary.
/dev/sda2 52 30452 244193280 7 HPFS/NTFS

[Code]....

How can I fix this, and be able to access that 52gb partition? This is only my second day that I work with Ubuntu, so If more information is needed then let me know

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Feb 7, 2010

My software RAID setup is as follows.

/dev/md0 (made from sda1 and sdb1) RAID1 /boot partition
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During boot up, I'll get an error message that it could not mount my /boot partition (when fstab is set to either /dev/md0 or the UUID). It claims c9ab814c-47ea-492d-a3be-1eaa88d53477 does not exist!

My fstab:

Code:

[mark@mark-box ~]$ cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Wed Jan 20 16:34:41 2010

[code]....

As far as I know, it isn't neccessary for /boot to be mounted always, correct? Although, as I understand, I need to have it mounted whenever making kernel changes correct?

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I got the following output.

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Code:

debian:/BAK# cat /etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>

[code]....

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