From: "Raghuram Devarakonda" <draghuram@gmail.com>
To: linux-lvm@redhat.com
Subject: [linux-lvm] Problem in reading snapshots....
Date: Fri, 24 Mar 2006 09:26:19 -0500 [thread overview]
Message-ID: <2c51ecee0603240626m5c118d17h63bb9a66ef906fc1@mail.gmail.com> (raw)
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Hi,
I am able to create LVM snapshot but reading it is failing most of the
times. The failure occurs at random offsets. Occassionally, the read
completes. Whenever the read fails, I see messages similar to following in
/var/log/messages:
"Buffer I/O error on device dm-6, logical block 1938043"
There are other messages:
"/etc/hotplug/block.agent[16978]: try 1 while waiting for /block/dm-4's
bus_id"
The system is a SLES9 SP3.
# uname -a
Linux raaga 2.6.5-7.244-default #1 Mon Dec 12 18:32:25 UTC 2005 i686 i686
i386 GNU/Linux
# rpm -qa | grep -i lvm
lvm2-2.01.14-3.6
I tested reads with "dd" command.
I would appreciate it if someone can help me in resolving this problem.
Please let me know if more details are needed.
Thanks in advance,
Raghu.
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reply other threads:[~2006-03-24 14:26 UTC|newest]
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