Re: Fwd: GFS volume hangs on 3 nodes after gfs_grow

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Node3

/var/log/messages

 

Sep 26 13:28:13 dev03 clvmd: Cluster LVM daemon started - connected to CMAN

Sep 26 13:28:17 dev03 kernel: GFS 0.1.23-5.el5_2.2 (built Aug 14 2008 17:08:35) installed

Sep 26 13:28:17 dev03 kernel: Trying to join cluster "lock_dlm", "test1_cluster:gfs_fs1"

Sep 26 13:28:17 dev03 kernel: Joined cluster. Now mounting FS...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_fs1.2: jid=2: Trying to acquire journal lock...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_fs1.2: jid=2: Looking at journal...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_fs1.2: jid=2: Done

Sep 26 13:28:18 dev03 kernel: Trying to join cluster "lock_dlm", "test1_cluster:gfs_sdb1"

Sep 26 13:28:18 dev03 kernel: Joined cluster. Now mounting FS...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_sdb1.2: jid=2: Trying to acquire journal lock...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_sdb1.2: jid=2: Looking at journal...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_sdb1.2: jid=2: Done



On Fri, Sep 26, 2008 at 2:06 PM, Alan A <alan.zg@xxxxxxxxx> wrote:


I have been able to recreate the problem with gfs_grow. Here is the output of the test command, and the actual command, with the /var/log/messages - all from the node3. I am opening ticket with RH, and will give you the ticket number afterwards.


[root@dev03 /]# gfs_grow -v -T /lvm_test2

FS: Mount Point: /lvm_test2

FS: Device: /dev/mapper/gfs_sdb1-gfs_sdb1

FS: Options: rw,hostdata=jid=2:id=262146:first=0

FS: Size: 1572864

RGRP: Current Resource Group List:

RI: Addr 1328945, RgLen 15, Start 1328960, DataLen 243904, BmapLen 60976

RI: Addr 1310720, RgLen 2, Start 1310722, DataLen 18220, BmapLen 4555

RI: Addr 1250100, RgLen 4, Start 1250104, DataLen 60616, BmapLen 15154

RI: Addr 1189480, RgLen 4, Start 1189484, DataLen 60616, BmapLen 15154

RI: Addr 1128860, RgLen 4, Start 1128864, DataLen 60616, BmapLen 15154

RI: Addr 1068240, RgLen 4, Start 1068244, DataLen 60616, BmapLen 15154

RI: Addr 1007620, RgLen 4, Start 1007624, DataLen 60616, BmapLen 15154

RI: Addr 947000, RgLen 4, Start 947004, DataLen 60616, BmapLen 15154

RI: Addr 886380, RgLen 4, Start 886384, DataLen 60616, BmapLen 15154

RI: Addr 825760, RgLen 4, Start 825764, DataLen 60616, BmapLen 15154

RI: Addr 765140, RgLen 4, Start 765144, DataLen 60616, BmapLen 15154

RI: Addr 704512, RgLen 4, Start 704516, DataLen 60624, BmapLen 15156

RI: Addr 545589, RgLen 4, Start 545593, DataLen 60612, BmapLen 15153

RI: Addr 484970, RgLen 4, Start 484974, DataLen 60612, BmapLen 15153

RI: Addr 424351, RgLen 4, Start 424355, DataLen 60612, BmapLen 15153

RI: Addr 363732, RgLen 4, Start 363736, DataLen 60612, BmapLen 15153

RI: Addr 303113, RgLen 4, Start 303117, DataLen 60612, BmapLen 15153

RI: Addr 242494, RgLen 4, Start 242498, DataLen 60612, BmapLen 15153

RI: Addr 181875, RgLen 4, Start 181879, DataLen 60612, BmapLen 15153

RI: Addr 121256, RgLen 4, Start 121260, DataLen 60612, BmapLen 15153

RI: Addr 60637, RgLen 4, Start 60641, DataLen 60612, BmapLen 15153

RI: Addr 17, RgLen 4, Start 21, DataLen 60616, BmapLen 15154

RGRP: 22 Resource groups in total

JRNL: Current Journal List:

JI: Addr 671744 NumSeg 2048 SegSize 16

JI: Addr 638976 NumSeg 2048 SegSize 16

JI: Addr 606208 NumSeg 2048 SegSize 16

JRNL: 3 Journals in total

DEV: Size: 1703936

RGRP: New Resource Group List:

RI: Addr 1572864, RgLen 9, Start 1572873, DataLen 131060, BmapLen 32765

RGRP: 1 Resource groups in total

[root@dev03 /]# gfs_grow -v  /lvm_test2

FS: Mount Point: /lvm_test2

FS: Device: /dev/mapper/gfs_sdb1-gfs_sdb1

FS: Options: rw,hostdata=jid=2:id=262146:first=0

FS: Size: 1572864

RGRP: Current Resource Group List:

RI: Addr 1328945, RgLen 15, Start 1328960, DataLen 243904, BmapLen 60976

RI: Addr 1310720, RgLen 2, Start 1310722, DataLen 18220, BmapLen 4555

RI: Addr 1250100, RgLen 4, Start 1250104, DataLen 60616, BmapLen 15154

RI: Addr 1189480, RgLen 4, Start 1189484, DataLen 60616, BmapLen 15154

RI: Addr 1128860, RgLen 4, Start 1128864, DataLen 60616, BmapLen 15154

RI: Addr 1068240, RgLen 4, Start 1068244, DataLen 60616, BmapLen 15154

RI: Addr 1007620, RgLen 4, Start 1007624, DataLen 60616, BmapLen 15154

RI: Addr 947000, RgLen 4, Start 947004, DataLen 60616, BmapLen 15154

RI: Addr 886380, RgLen 4, Start 886384, DataLen 60616, BmapLen 15154

RI: Addr 825760, RgLen 4, Start 825764, DataLen 60616, BmapLen 15154

RI: Addr 765140, RgLen 4, Start 765144, DataLen 60616, BmapLen 15154

RI: Addr 704512, RgLen 4, Start 704516, DataLen 60624, BmapLen 15156

RI: Addr 545589, RgLen 4, Start 545593, DataLen 60612, BmapLen 15153

RI: Addr 484970, RgLen 4, Start 484974, DataLen 60612, BmapLen 15153

RI: Addr 424351, RgLen 4, Start 424355, DataLen 60612, BmapLen 15153

RI: Addr 363732, RgLen 4, Start 363736, DataLen 60612, BmapLen 15153

RI: Addr 303113, RgLen 4, Start 303117, DataLen 60612, BmapLen 15153

RI: Addr 242494, RgLen 4, Start 242498, DataLen 60612, BmapLen 15153

RI: Addr 181875, RgLen 4, Start 181879, DataLen 60612, BmapLen 15153

RI: Addr 121256, RgLen 4, Start 121260, DataLen 60612, BmapLen 15153

RI: Addr 60637, RgLen 4, Start 60641, DataLen 60612, BmapLen 15153

RI: Addr 17, RgLen 4, Start 21, DataLen 60616, BmapLen 15154

RGRP: 22 Resource groups in total

JRNL: Current Journal List:

JI: Addr 671744 NumSeg 2048 SegSize 16

JI: Addr 638976 NumSeg 2048 SegSize 16

JI: Addr 606208 NumSeg 2048 SegSize 16

JRNL: 3 Journals in total

DEV: Size: 1703936

RGRP: New Resource Group List:

RI: Addr 1572864, RgLen 9, Start 1572873, DataLen 131060, BmapLen 32765

RGRP: 1 Resource groups in total

Preparing to write new FS information...

Done.

 

 

Node3

/var/log/messages

 

Sep 26 13:28:13 dev03 clvmd: Cluster LVM daemon started - connected to CMAN

Sep 26 13:28:17 dev03 kernel: GFS 0.1.23-5.el5_2.2 (built Aug 14 2008 17:08:35) installed

Sep 26 13:28:17 dev03 kernel: Trying to join cluster "lock_dlm", "test1_cluster:gfs_fs1"

Sep 26 13:28:17 dev03 kernel: Joined cluster. Now mounting FS...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_fs1.2: jid=2: Trying to acquire journal lock...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_fs1.2: jid=2: Looking at journal...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_fs1.2: jid=2: Done

Sep 26 13:28:18 dev03 kernel: Trying to join cluster "lock_dlm", "test1_cluster:gfs_sdb1"

Sep 26 13:28:18 dev03 kernel: Joined cluster. Now mounting FS...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_sdb1.2: jid=2: Trying to acquire journal lock...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_sdb1.2: jid=2: Looking at journal...

Sep 26 13:28:18 dev03 kernel: GFS: fsid=test1_cluster:gfs_sdb1.2: jid=2: Done



On Fri, Sep 26, 2008 at 1:59 PM, Bob Peterson <rpeterso@xxxxxxxxxx> wrote:
----- "Alan A" <alan.zg@xxxxxxxxx> wrote:
| Again thanks for the fast and prompt response Bob.
|
| I will try to reproduce the problem with gfs_grow.
|
| One more question regarding GFS - what steps would you recommend (if
| any)
| for growing and shrinking active GFS volume?

Hi Alan,

Neither GFS or GFS2 volumes cannot be shrunk.  Eventually I
need to start working on a gfs2_shrink tool for gfs2, but I
don't think GFS will ever be able to shrink.

As for growing, it sounds like you're already familiar with
that.  You just do something like:

lvresize or lvextend the logical volume
mount the gfs volume to a mount point
gfs_grow /your/mount/point

It's probably safest to do gfs_grow when there is not a lot of
system activity.  For example, at night when the system is not
being beat up by lots of I/O.

Regards,

Bob Peterson
Red Hat Clustering & GFS

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--
Alan A.



--
Alan A.
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