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тАО07-05-2010 04:08 AM
тАО07-05-2010 04:08 AM
unable to mount file system
i restarted my server and the error i get when i do mount -a on one of the file system is this
..file system on /dev/vgsanidw/lvol1 has structural damage.. i this because when i do bdf, i dont see this particular file system, can someone please help me out..?
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тАО07-05-2010 04:14 AM
тАО07-05-2010 04:14 AM
Re: unable to mount file system
#fsck -F vxfs -o full,nolog /dev/vgsanidw/rlvol1
#mountall
Aneesh
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тАО07-05-2010 04:21 AM
тАО07-05-2010 04:21 AM
Re: unable to mount file system
i did it and this is what i got..
# fsck -F vxfs -o full,nolog
/dev/vgsanidw/rlvol1
vxfs fsck: OLT extent 0 has bad magic
read of primary OLT failed
vxfs fsck: OLT extents conflict
read of OLT copy failed
vxfs fsck: no valid OLT, cannot continue
file system check failure, aborting ...
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тАО07-05-2010 05:59 AM
тАО07-05-2010 05:59 AM
Re: unable to mount file system
check for cosole log for any inode corruption.
Please provide he below output
strings /etc/lvmtab
check the disk are available for this VG
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тАО07-05-2010 05:38 PM
тАО07-05-2010 05:38 PM
Re: unable to mount file system
> read of primary OLT failed...
This indicates that the directory has been badly corrupted and will have to be restored from backup tapes.
Bill Hassell, sysadmin
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тАО07-05-2010 08:53 PM
тАО07-05-2010 08:53 PM
Re: unable to mount file system
OLT is nothing but Object Location Table, which is used at the time of mounting a filesystem.
OLT gets corrupt due to scenario's like unexpected shutdown etc..
I hope the only way to recover is restoring from the recent back-up as Bill mentioned earlier..
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тАО07-05-2010 08:59 PM
тАО07-05-2010 08:59 PM
Re: unable to mount file system
you may try to fsck from alternate blocks
sck -o full -y -b
list of alternate super blocks is stored in /etc/sbtab
or u can try 16, 8240 or 16464 as they are common values.
BR,
Kapil+
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тАО07-05-2010 09:30 PM
тАО07-05-2010 09:30 PM