Red Hat Enterprise Linux ES release 4 (Nahant Update 4)
rhel-4-u4-rhcs-i386
GFS-kernel-smp-2.6.9-58.0
GFS-6.1.6
I have dell 2 nodes connected to emc storage mount gfs partition
my problem is after i create file and delete , and check with df , gfs not
return available space
but if i check with du it show result correctly
I have use below command to create files on gfs
for i in $(seq 1 2700); do dd if=/dev/zero of=h$i bs=1M count=1 ; done
after file created i have delete all file use "rm *" but when i check
available space with df
it not return the same size as before i created files
If i use gfs with powerpath ( EMCpower.LINUX-4.5.1-022.rhel.i386 ) , even
gfs_tool reclaim not return any available space
so i recreated gfs file system again without powerpath
the same problem still remain, But when use gfs_tool reclaim , this time it
return more available space but still not the same as before i created files
1. EMCpowerpath not compatible with gfs ? even gfs_tool reclaim not return
space
2. If i dont use EMCpowerpath, Do i have to setup schedule to run "gfs_tool
reclaim" in crontab to correct this ?
How can i config gfs to automatic reclaim without remount or run
"gfs_tool reclaim" ?
Regards,
Nattapon
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