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Operating Systems Linux filesystem locking issue on linux Post 302474685 by anshu ranjan on Thursday 25th of November 2010 03:48:11 AM
Old 11-25-2010
filesystem locking issue on linux

hi,

we are getting filesystem locking issue very frequently. we are using linux rhel 5.5. our filesystem type is gfs2 where we are facing locking issue and unix admin team reboots server to over come with this issue. suddenly we used to face slowness on server and server gets hung. after that unix team says that filesystem is facing locking issue and this needs to be restart.

Code:
uname -a
Linux 123.abc.com 2.6.18-194.3.1.el5 #1 SMP Sun May 2 04:17:42 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux

Any idea why filesystem is getting locked and how to check why it is getting locked and due to which id it has been locked.

Thansk,
Anshu
 

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FINDFS(8)						       System Administration							 FINDFS(8)

NAME
findfs - find a filesystem by label or UUID SYNOPSIS
findfs NAME=value DESCRIPTION
findfs will search the block devices in the system looking for a filesystem or partition with specified tag. The currently supported tags are: LABEL=<label> Specifies filesystem label. UUID=<uuid> Specifies filesystem UUID. PARTUUID=<uuid> Specifies partition UUID. This partition identifier is supported for example for GUID Partition Table (GPT) partition tables. PARTLABEL=<label> Specifies partition label (name). The partition labels are supported for example for GUID Partition Table (GPT) or MAC partition tables. If the filesystem or partition is found, the device name will be printed on stdout. The complete overview about filesystems and partitions you can get for example by lsblk --fs partx --show <disk> blkid EXIT STATUS
0 success 1 label or uuid cannot be found 2 usage error, wrong number of arguments or unknown option AUTHOR
findfs was originally written by Theodore Ts'o <tytso@mit.edu> and re-written for the util-linux package by Karel Zak <kzak@redhat.com>. ENVIRONMENT
LIBBLKID_DEBUG=all enables libblkid debug output. SEE ALSO
blkid(8), lsblk(8), partx(8) AVAILABILITY
The findfs command is part of the util-linux package and is available from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils /util-linux/>. util-linux March 2014 FINDFS(8)
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