Procedure
1.
Open the
/var/log/messages
file.
2.
Search for error messages of the following types:
v
GFS: fsid=<cluster name>:<file system name>: fatal filesystem consistency
error
v
GFS: fsid=<cluster name>:<file system name>: about to withdraw from the
cluster
v
GFS: fsid=<cluster name>:<file system name>: telling LM to withdraw
v
GFS: fsid=<cluster name>:<file system name>: withdrawn
v
kernel: [<ffffffff887e8094>] :gfs:gfs_lm_w0xc4/0xd3
v
gfs_controlId[2905]: <file system name> finish: needs recovery jjd 0 nodeid 2
status 1
Results
If you find these types of error messages, run
fsck
on the file systems referenced
by the error messages.
Determining the volume names of file systems
Complete this task to find the volume names for file systems.
Procedure
1.
Run
gfs_tool df
. Summary information for all Global File Systems (GFS) in
your repository is displayed.
2.
Locate the appropriate file system names and determine their mount points.
The following output file is an example of the system output when you run
gfs_tool df
. The file system name is in bold and the mount point name is
italicized:
/mnt/vgfs0113-lvfs0113
SB lock proto = "lock_dlm"
SB lock table = "lurebimepegoco:gfs_0113"
SB ondisk format = 1309
SB multihost format = 1401
Block size = 4096
Journals = 3
Resource Groups = 16384
Mounted lock proto = "lock_dlm"
Mounted lock table == "lurebimepegoco:gfs_0113"
Mounted host data = "jid=0:id=14876673:first=0"
Journal number = 0
Lock module flags = 0
Local flocks = FALSE
Local caching = FALSE
Oopses OK = FALSE
Type
Total Blocks
Used Blocks
Free Blocks
use%
------------------------------------------------------------------
inodes
512
512
0
100%
metadata
5176264
4223508
952756
82%
data
2142060068
2111434535
30625533
99%
3.
Open
/etc/fstab
and determine the corresponding logical volumes names. The
following output is an example of the fstab entry format:
/dev/mapper/<logical volume name> /<mount point> gfs defaults,noatime,nodiratime,noquota,acl 0 0"
174
IBM TS7650G Deduplication Gateway for ProtecTIER
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