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Old 04-17-2013, 08:22 AM   #1
PhillipHuang
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Registered: Aug 2006
Location: Shen Zhen
Distribution: Ubuntu 10.04
Posts: 198

Rep: Reputation: 33
filesystem lost


Hello folks,

RAID5 "/dev/md0" is 10TB, and "/dev/md1" is 6TB.I use them to create VG by the following command:
Code:
# pvcreate /dev/md0
# pvcreate /dev/md1
# vgcreate vgtest /dev/md0 /dev/md1
# lvcreate -L 12000G -n biglv vgtest
# lvcreate -L 4000G -n smallv vgtest
# mkfs.ext3 /dev/vgtest/biglv
# mkfs.ext3 /dev/vgtest/smalllv
When I reboot the system, it seems that "/dev/vgtest/biglv" lost its filesystem and need to mkfs again. Who can help me resolve this issue?

Thanks,

Phillip
 
Old 04-17-2013, 04:30 PM   #2
gdejonge
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Registered: Aug 2010
Location: Netherlands
Distribution: Kubuntu, Debian, Suse, Slackware
Posts: 317

Rep: Reputation: 73
Hi,

After you created the filesystem for biglv use
Code:
$ dumpe2fs /dev/vgtest/biglv
to check if the system calculated the blocksize for the filesystem correctly. It should at least be 4096.

If it's not, create the filesystem with the -b 4096 parameter.

Cheers
 
  


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