[Ocfs2-users] Problems with volumes coming from RHEL5 going to OEL6

[Sunil Mushran]

Can you dump the following using the 1.8 binary.
debugfs.ocfs2 -R "stats" /dev/mapper/.....


On Fri, Jun 21, 2013 at 6:17 AM, Ulf Zimmermann <ulf at openlane.com> wrote:

>  We have a production cluster of 6 nodes, which are currently running
> RHEL 5.8 with OCFS2 1.4.10. We snapclone these volumes to multiple
> destinations, one of them is a RHEL4 machine with OCFS2 1.2.9. Because of
> that the volumes are set so that we can read them there.****
>
> ** **
>
> We are now trying to bring up a new server, this one has OEL 6.3 on it and
> it comes with OCFS2 1.8.0 and tools 1.8.0-10. I can use tunefs.ocfs2
> –cloned-volume to reset the UUID, but when I try to change the label I get:
> ****
>
> ** **
>
> [root at co-db03 ulf]# tunefs.ocfs2 -L /export/backuprecovery.AUCP
> /dev/mapper/aucp_data_bk_2_x****
>
> tunefs.ocfs2: Invalid name for a cluster while opening device
> "/dev/mapper/aucp_data_bk_2_x"****
>
> ** **
>
> fsck.ocfs2 core dumps with the following, I also filed a bug on Bugzilla
> for that:****
>
> ** **
>
> [root at co-db03 ulf]# fsck.ocfs2 /dev/mapper/aucp_data_bk_2_x ** **
>
> fsck.ocfs2 1.8.0****
>
> *** glibc detected *** fsck.ocfs2: double free or corruption (fasttop):
> 0x000000000197f320 *******
>
> ======= Backtrace: =========****
>
> /lib64/libc.so.6[0x3656475366]****
>
> fsck.ocfs2[0x434c31]****
>
> fsck.ocfs2[0x403bc2]****
>
> /lib64/libc.so.6(__libc_start_main+0xfd)[0x365641ecdd]****
>
> fsck.ocfs2[0x402879]****
>
> ======= Memory map: ========****
>
> 00400000-00450000 r-xp 00000000 fc:00 12489
> /sbin/fsck.ocfs2****
>
> 0064f000-00651000 rw-p 0004f000 fc:00 12489
> /sbin/fsck.ocfs2****
>
> 00651000-00652000 rw-p 00000000 00:00 0 ****
>
> 00850000-00851000 rw-p 00050000 fc:00 12489
> /sbin/fsck.ocfs2****
>
> 0197e000-0199f000 rw-p 00000000 00:00 0
>     [heap]****
>
> 3655c00000-3655c20000 r-xp 00000000 fc:00 8797
> /lib64/ld-2.12.so****
>
> 3655e1f000-3655e20000 r--p 0001f000 fc:00 8797
> /lib64/ld-2.12.so****
>
> 3655e20000-3655e21000 rw-p 00020000 fc:00 8797
>           /lib64/ld-2.12.so****
>
> 3655e21000-3655e22000 rw-p 00000000 00:00 0 ****
>
> 3656400000-3656589000 r-xp 00000000 fc:00 8798
> /lib64/libc-2.12.so****
>
> 3656589000-3656788000 ---p 00189000 fc:00 8798
> /lib64/libc-2.12.so****
>
> 3656788000-365678c000 r--p 00188000 fc:00 8798
> /lib64/libc-2.12.so****
>
> 365678c000-365678d000 rw-p 0018c000 fc:00 8798
> /lib64/libc-2.12.so****
>
> 365678d000-3656792000 rw-p 00000000 00:00 0 ****
>
> 3659c00000-3659c16000 r-xp 00000000 fc:00 8802
> /lib64/libgcc_s-4.4.6-20120305.so.1****
>
> 3659c16000-3659e15000 ---p 00016000 fc:00 8802
> /lib64/libgcc_s-4.4.6-20120305.so.1****
>
> 3659e15000-3659e16000 rw-p 00015000 fc:00 8802
> /lib64/libgcc_s-4.4.6-20120305.so.1****
>
> 3d3e800000-3d3e817000 r-xp 00000000 fc:00 12028
> /lib64/libpthread-2.12.so****
>
> 3d3e817000-3d3ea17000 ---p 00017000 fc:00 12028
>                          /lib64/libpthread-2.12.so****
>
> 3d3ea17000-3d3ea18000 r--p 00017000 fc:00 12028
> /lib64/libpthread-2.12.so****
>
> 3d3ea18000-3d3ea19000 rw-p 00018000 fc:00 12028
> /lib64/libpthread-2.12.so****
>
> 3d3ea19000-3d3ea1d000 rw-p 00000000 00:00 0 ****
>
> 3e26600000-3e26603000 r-xp 00000000 fc:00 426
> /lib64/libcom_err.so.2.1****
>
> 3e26603000-3e26802000 ---p 00003000 fc:00 426
> /lib64/libcom_err.so.2.1****
>
> 3e26802000-3e26803000 r--p 00002000 fc:00 426
> /lib64/libcom_err.so.2.1****
>
> 3e26803000-3e26804000 rw-p 00003000 fc:00 426
> /lib64/libcom_err.so.2.1****
>
> 7fb063711000-7fb063714000 rw-p 00000000 00:00 0 ****
>
> 7fb06371d000-7fb063720000 rw-p 00000000 00:00 0 ****
>
> 7fffd5b95000-7fffd5bb6000 rw-p 00000000 00:00 0
> [stack]****
>
> 7fffd5bc5000-7fffd5bc6000 r-xp 00000000 00:00 0
> [vdso]****
>
> ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0
> [vsyscall]****
>
> Abort (core dumped)****
>
> ** **
>
> I think one of the main question is what is the “Invalid name for a
> cluster while trying to join the group” or “Invalid name for a cluster
> while opening device”. I am pretty sure that /etc/sysconfig/o2cb and
> /etc/ocfs2/cluster.conf is correct.****
>
> ** **
>
> Ulf.****
>
> ** **
>
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