Hello, everyone: I failed to mount GFS with error message "no such device". But I have confirmed that the device exists and all relevant kernel modules have been loaded. I am using RH5.4 and no any customization at all. Would someone kindly help? [root@wplccdlvm445 ~]# mount -t gfs -v /dev/vg100/lvol0 /gfs /sbin/mount.gfs: mount /dev/mapper/vg100-lvol0 /gfs /sbin/mount.gfs: parse_opts: opts = "rw" /sbin/mount.gfs: clear flag 1 for "rw", flags = 0 /sbin/mount.gfs: parse_opts: flags = 0 /sbin/mount.gfs: parse_opts: extra = "" /sbin/mount.gfs: parse_opts: hostdata = "" /sbin/mount.gfs: parse_opts: lockproto = "" /sbin/mount.gfs: parse_opts: locktable = "" /sbin/mount.gfs: message to gfs_controld: asking to join mountgroup: /sbin/mount.gfs: write "join /gfs gfs lock_dlm clearcase:gfs rw /dev/mapper/vg100-lvol0" /sbin/mount.gfs: message from gfs_controld: response to join request: /sbin/mount.gfs: lock_dlm_join: read "0" /sbin/mount.gfs: message from gfs_controld: mount options: /sbin/mount.gfs: lock_dlm_join: read "hostdata=jid=0:id=327681:first=1" /sbin/mount.gfs: lock_dlm_join: hostdata: "hostdata=jid=0:id=327681:first=1" /sbin/mount.gfs: lock_dlm_join: extra_plus: "hostdata=jid=0:id=327681:first=1" /sbin/mount.gfs: mount(2) failed error -1 errno 19 /sbin/mount.gfs: lock_dlm_mount_result: write "mount_result /gfs gfs -1" /sbin/mount.gfs: message to gfs_controld: asking to leave mountgroup: /sbin/mount.gfs: lock_dlm_leave: write "leave /gfs gfs 19" /sbin/mount.gfs: message from gfs_controld: response to leave request: /sbin/mount.gfs: lock_dlm_leave: read "0" /sbin/mount.gfs: error mounting /dev/mapper/vg100-lvol0 on /gfs: No such device [root@wplccdlvm445 ~]# ls /dev/mapper/vg100-lvol0 /dev/mapper/vg100-lvol0 [root@wplccdlvm445 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 5.4 (Tikanga) [root@wplccdlvm445 ~]# uname -r 2.6.18-164.el5 [root@wplccdlvm445 ~]# lsmod |grep gfs gfs2 347529 1 lock_dlm configfs 28753 2 dlm [root@wplccdlvm445 ~]# lsmod |grep dl lock_dlm 20193 0 gfs2 347529 1 lock_dlm dlm 113749 11 lock_dlm configfs 28753 2 dlm -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
