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Old 03-03-2016, 12:02 AM   #1
soma sekhar
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Registered: Mar 2016
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give me a valuable replay to this error


hi gud mng

i create lvm and i try to reduce the logical volume by using below
commands

1st i umount the file system umount /dev/vg1/lv1 /soma

than i run e2fsck /dev/vg1/lv1 after i reduce the logical volume by using lvreduce -L -500MB /dev/vgl/lv1 than update the file system by using resize2fs /dev/vg1/lv1 after that i mount the file system by using mount /dev/vg1/lv1 /soma but it not mount it show the bellow error

mount: wrong fs type, bad option, bad superblock on /dev/mapper/vg1-lv1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
give me a valuable replay to execute the error

thanking you

soma sekhar
 
Old 03-03-2016, 07:20 AM   #2
malekmustaq
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Registered: Dec 2008
Location: root
Distribution: Slackware & BSD
Posts: 1,617

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Hi, welcome to LQ!

You said:
Quote:
mount: wrong fs type, bad option, bad superblock on /dev/mapper/vg1-lv1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
give me a valuable replay to execute the error
That's a blocksize mismatch.

Unmount the entire disk, try to recheck the entire drive or volume using the -y switch:
Code:
e2fsck -y /dev/vg1/lv
or you may click "y" manually through out, maybe a hundred times .
 
Old 03-03-2016, 07:31 AM   #3
zhjim
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Registered: Oct 2004
Distribution: Debian Squeeze x86_64
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Wrong order. First reduce the filesystem, then the partition|lv. Try to get the volume back to its orginial size then see if it can be mounted. If not might want to use photorec or similar to get back the data.
 
  


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