I have a new RHEL 5.5 cluster running and created a new GFS2 filesystem to
rsync the old filesystem over (leaving the original intact in case we had to do
a fail-back for whatever reason).
I made a pilot error by pasting the GFS local mount command on the wrong ssh
session window, resulting in:
/dev/mapper/VGCCC-lvolshare55
gfs2 6.5G 34M 6.5G 1% /cluster/share
/dev/mapper/VGCCC-lvolshare47
gfs 6.5G 34M 6.5G 1% /cluster/share
No worries, I'll just umount it and do the mount on the correct sesssion.
ACK!! The umount fails:
$ umount /cluster/share
/sbin/umount.gfs: /cluster/share is not a gfs filesystem
/sbin/umount.gfs2: /cluster/share is not a gfs2 filesystem
/sbin/umount.gfs: /cluster/share is not a gfs filesystem
>From /proc/mounts:
/dev/mapper/VGCCC-lvolshare55 /cluster/share gfs2
rw,noatime,hostdata=jid=1:id=131078:first=0 0 0
/dev/mapper/VGCCC-lvolshare47 /cluster/share gfs
rw,noatime,nodiratime,lockproto=lock_nolock,localflocks,localcaching,oopses_ok
0 0
Is this a "bug" or is there another way to force this umount?
$ cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.5 (Tikanga)
$ modinfo gfs
filename: /lib/modules/2.6.18-194.8.1.el5/weak-updates/gfs/gfs.ko
license: GPL
author: Red Hat, Inc.
description: Global File System 0.1.34-12.el5
srcversion: 5A1F914F64A3562AB4025B8
depends: dlm
vermagic: 2.6.18-192.el5 SMP mod_unload gcc-4.1
$ modinfo gfs2
filename: /lib/modules/2.6.18-194.8.1.el5/kernel/fs/gfs2/gfs2.ko
license: GPL
author: Red Hat, Inc.
description: Global File System
srcversion: A97C797F6991C7EDA8194EE
depends:
vermagic: 2.6.18-194.8.1.el5 SMP mod_unload gcc-4.1
module_sig:
883f3504c222156a4a68dd25a16b2151126d9309f5e3c80d84761a7477f627d2db44f2d3cc92efa8009f6228ef166da627f961ae8a05a7f686a32e4c712
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