[Linux-cluster] can not mount GFS, "no such device"

Diamond Li diamondiona at gmail.com
Wed Dec 30 06:53:54 UTC 2009

thanks Gordan,  looks like we are in the same timezone, here  is the
command, same as previous one except for using mkfs.gfs2 instead of

 mkfs.gfs2 -t clearcase:gfs -p lock_dlm -j 6 /dev/vg100/lvol0

[root at wplccdlvm445 gfs]# clustat
Cluster Status for clearcase @ Wed Dec 30 14:56:37 2009
Member Status: Quorate

 Member Name                                       ID   Status
 ------ ----                                       ---- ------
 wplccdlvm445.cn.ibm.com                               1 Online, Local
 wplccdlvm446.cn.ibm.com                               2 Online

On Wed, Dec 30, 2009 at 2:44 PM, Gordan Bobic <gordan at bobich.net> wrote:
> Diamond Li wrote:
>> after I use mkfs.gfs2, it works. However, I did not see any document
>> to mention this command,  always gfs_mkfs.
> I'm not sure what you're doing differntly (you omitted the FS creation
> command in your previous email), but this works just fine for me:
> gfs_mkfs -j 2 -p lock_dlm -t test:root /dev/hdb
> mount /mnt/gfs
> The fstab line is:
> /dev/hdb   /mnt/gfs   gfs   defaults,noatime,nodiratime   0 0
> Just tested it on a scratch VM.
> I'm assuming you have your cluster.conf configured right and the cman
> service (which provides fenced, groupd, etc.) has started without any
> errors? Again, you haven't posted your cluster.conf so it's impossible to
> tell.
> You also haven't specified whether your intention is to use gfs or gfs2.
> They are not the same.
>> in my humble opnion, redhat has a log way to provide real enterprise
>> solution, both from software quality and documentation.
> There doesn't seem to be enough in this thread to persuade me that the cause
> of problems isn't user error. :)
> Gordan
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