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Old 05-11-2013, 07:56 PM   #1
rrvalcourt
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Registered: May 2013
Posts: 1

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Red face Access drive from failed Openfiler SAN


I have a Disk that contains a VMFS partition that was presented to my ESXi server using openfiler. the openfiler server has died and I need to get the data. I have it attached to a Linux workstation and can see the LUN but cannot mount it.

Here is the results from from scans.
root@fileserver /# pvscan
PV /dev/sdb1 VG vpilun.003 lvm2 [465.75 GiB / 0 free]
Total: 1 [465.75 GiB] / in use: 1 [465.75 GiB] / in no VG: 0 [0 ]

root@fileserver /# vgscan
Reading all physical volumes. This may take a while...
Found volume group "vpilun.003" using metadata type lvm2

root@fileserver /# lvscan
ACTIVE '/dev/vpilun.003/vpi003' [465.75 GiB] inherit

root@fileserver /# fdisk -l

Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0009b612

Device Boot Start End Blocks Id System
/dev/sda1 * 1 9469 76054528 83 Linux
/dev/sda2 9469 9730 2094081 5 Extended
/dev/sda5 9469 9730 2094080 82 Linux swap / Solaris

Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0xe74ec4f4

Device Boot Start End Blocks Id System
/dev/sdb1 * 1 60802 488384512 fd Linux raid autodetect
/dev/sdb2 62004 109419 380859392 83 Linux

Disk /dev/dm-0: 500.1 GB, 500095254528 bytes
255 heads, 63 sectors/track, 60799 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x000ab83d

Device Boot Start End Blocks Id System
/dev/dm-0p1 1 60799 488367903+ fb VMware VMFS

And here is the
error I get when I try to mount it.

root@fileserver /# mount -t ext3 /dev/vpilun.003/vpi003 /mnt/vpi/
mount: wrong fs type, bad option, bad superblock on /dev/mapper/vpilun.003-vpi003,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so

root@fileserver /# dmesg | tail
[ 10.332957] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
[ 10.333150] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 20.892008] eth0: no IPv6 routers present
[ 2397.714789] VFS: Can't find ext3 filesystem on dev dm-0.
[ 2412.666004] VFS: Can't find ext3 filesystem on dev dm-0.
[ 2700.674085] VFS: Can't find ext3 filesystem on dev dm-0.
[ 3101.786046] VFS: Can't find ext3 filesystem on dev dm-0.
[ 3715.222044] EXT4-fs (dm-0): VFS: Can't find ext4 filesystem
[ 3735.046075] EXT4-fs (dm-0): VFS: Can't find ext4 filesystem
[ 4552.530438] VFS: Can't find ext3 filesystem on dev dm-0.
 
Old 05-16-2013, 08:22 AM   #2
jmajor
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Registered: Nov 2004
Location: Australia
Distribution: Fedora, Ubuntu
Posts: 55
Blog Entries: 2

Rep: Reputation: 17
There was a script around that allowed linux to mount vmfs volumes. It gave big warnings about writing to the device while vmware was using it. I believe I found it among the bits and pieces that came with vmware-server 1 or 2 for linux. It didn't sound like production quality stuff, but should get you out of your corner.
 
  


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