Re: [Ocfs2-users] multiple cluster doesn't work

Mon, 27 Jun 2011 19:06:13 -0700 

Whereas the cluster.conf allows users to define multiple
clusters, only one cluster can be active at any time. The bug
you ran into has probably been fixed. The link has been posted
in the bz.

Why do you need multiple clusters active concurrently?

On 06/27/2011 04:44 PM, Richard Pickett wrote:
We're trying to setup 3 PRDM partitions (VMware) across 2 nodes. As long as only one is configured in cluster.conf, there's not problem. As soon as we try to use 2 or more we get issues. 

It looks the same as bug 636:

http://oss.oracle.com/bugzilla/show_bug.cgi?id=636
I posted my cluster.conf and command line results there. I'm including them here in the hopes that someone on this list can offer a shorter solution than recompiling the o2cb_ctl (which we have in process). 

Thanks in advance for any and all help. Here's my post on the bug:
seems like we're back to having this bug again. I'm posting both cluster.conf and the error that happens at the command line. 

<cluster.conf>
cluster:
        node_count = 2
        name = xport1

node:
        ip_port = 7777
        ip_address = 10.8.4.81
        number = 1
        name = wings
        cluster = xport1
node:
        ip_port = 7777
        ip_address = 10.8.4.82
        number = 2
        name = xtc
        cluster = xport1

cluster:
       node_count = 2
       name = xport2

node:
       ip_port = 7778
       ip_address = 10.8.4.81
       number = 1
       name = wings
       cluster = xport2
node:
       ip_port = 7778
       ip_address = 10.8.4.82
       number = 2
       name = xtc
       cluster = xport2

cluster:
       node_count = 2
       name = xport3

node:
       ip_port = 7779
       ip_address = 10.8.4.81
       number = 1
       name = wings
       cluster = xport3
node:
       ip_port = 7779
       ip_address = 10.8.4.82
       number = 2
       name = xtc
       cluster = xport3
</cluster.conf>
If I comment out the second and third "cluster" I don't hit this error, but then I can't load multiple clusters on one machine. 

Command line:

root@wings:/var/log# /etc/init.d/o2cb start
Loading filesystem "configfs": OK
Mounting configfs filesystem at /sys/kernel/config: OK
Loading stack plugin "o2cb": OK
Loading filesystem "ocfs2_dlmfs": OK
Mounting ocfs2_dlmfs filesystem at /dlm: OK
Setting cluster stack "o2cb": OK
Starting O2CB cluster xport1: *** glibc detected *** o2cb_ctl: free(): invalid pointer: 0x0000000001179080 *** 
======= Backtrace: =========
/lib/libc.so.6(+0x774b6)[0x7fab33f234b6]
/lib/libc.so.6(cfree+0x73)[0x7fab33f29c83]
o2cb_ctl[0x40511a]
o2cb_ctl[0x403a22]
/lib/libc.so.6(__libc_start_main+0xfe)[0x7fab33ecad8e]
o2cb_ctl[0x402b59]
======= Memory map: ========
00400000-00411000 r-xp 00000000 08:01 131365 /sbin/o2cb_ctl 00610000-00611000 r--p 00010000 08:01 131365 /sbin/o2cb_ctl 00611000-00612000 rw-p 00011000 08:01 131365 /sbin/o2cb_ctl 01178000-01199000 rw-p 00000000 00:00 0 [heap] 
7fab2c000000-7fab2c021000 rw-p 00000000 00:00 0
7fab2c021000-7fab30000000 ---p 00000000 00:00 0
7fab33848000-7fab3385d000 r-xp 00000000 08:01 917566 /lib/libgcc_s.so.1 7fab3385d000-7fab33a5c000 ---p 00015000 08:01 917566 /lib/libgcc_s.so.1 7fab33a5c000-7fab33a5d000 r--p 00014000 08:01 917566 /lib/libgcc_s.so.1 7fab33a5d000-7fab33a5e000 rw-p 00015000 08:01 917566 /lib/libgcc_s.so.1 7fab33a5e000-7fab33a76000 r-xp 00000000 08:01 921986 /lib/libpthread-2.12.1.so <http://libpthread-2.12.1.so> 7fab33a76000-7fab33c75000 ---p 00018000 08:01 921986 /lib/libpthread-2.12.1.so <http://libpthread-2.12.1.so> 7fab33c75000-7fab33c76000 r--p 00017000 08:01 921986 /lib/libpthread-2.12.1.so <http://libpthread-2.12.1.so> 7fab33c76000-7fab33c77000 rw-p 00018000 08:01 921986 /lib/libpthread-2.12.1.so <http://libpthread-2.12.1.so> 
7fab33c77000-7fab33c7b000 rw-p 00000000 00:00 0
7fab33c7b000-7fab33cab000 r-xp 00000000 08:01 917607 /lib/libpcre.so.3.12.1 7fab33cab000-7fab33eaa000 ---p 00030000 08:01 917607 /lib/libpcre.so.3.12.1 7fab33eaa000-7fab33eab000 r--p 0002f000 08:01 917607 /lib/libpcre.so.3.12.1 7fab33eab000-7fab33eac000 rw-p 00030000 08:01 917607 /lib/libpcre.so.3.12.1 7fab33eac000-7fab34026000 r-xp 00000000 08:01 921984 /lib/libc-2.12.1.so <http://libc-2.12.1.so> 7fab34026000-7fab34225000 ---p 0017a000 08:01 921984 /lib/libc-2.12.1.so <http://libc-2.12.1.so> 7fab34225000-7fab34229000 r--p 00179000 08:01 921984 /lib/libc-2.12.1.so <http://libc-2.12.1.so> 7fab34229000-7fab3422a000 rw-p 0017d000 08:01 921984 /lib/libc-2.12.1.so <http://libc-2.12.1.so> 
7fab3422a000-7fab3422f000 rw-p 00000000 00:00 0
7fab3422f000-7fab34232000 r-xp 00000000 08:01 917517 /lib/libcom_err.so.2.1 7fab34232000-7fab34431000 ---p 00003000 08:01 917517 /lib/libcom_err.so.2.1 7fab34431000-7fab34432000 r--p 00002000 08:01 917517 /lib/libcom_err.so.2.1 7fab34432000-7fab34433000 rw-p 00003000 08:01 917517 /lib/libcom_err.so.2.1 7fab34433000-7fab34513000 r-xp 00000000 08:01 917576 /lib/libglib-2.0.so.0.2600.1 7fab34513000-7fab34712000 ---p 000e0000 08:01 917576 /lib/libglib-2.0.so.0.2600.1 7fab34712000-7fab34713000 r--p 000df000 08:01 917576 /lib/libglib-2.0.so.0.2600.1 7fab34713000-7fab34714000 rw-p 000e0000 08:01 917576 /lib/libglib-2.0.so.0.2600.1 
7fab34714000-7fab34715000 rw-p 00000000 00:00 0
7fab34715000-7fab34735000 r-xp 00000000 08:01 921992 /lib/ld-2.12.1.so <http://ld-2.12.1.so> 
7fab3492a000-7fab3492e000 rw-p 00000000 00:00 0
7fab34933000-7fab34935000 rw-p 00000000 00:00 0
7fab34935000-7fab34936000 r--p 00020000 08:01 921992 /lib/ld-2.12.1.so <http://ld-2.12.1.so> 7fab34936000-7fab34937000 rw-p 00021000 08:01 921992 /lib/ld-2.12.1.so <http://ld-2.12.1.so> 
7fab34937000-7fab34938000 rw-p 00000000 00:00 0
7fff14f37000-7fff14f58000 rw-p 00000000 00:00 0 [stack] 7fff14fff000-7fff15000000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] 
Failed
Cluster xport1 created
Node wings added
Node xtc added
Stopping O2CB cluster xport1: *** glibc detected *** o2cb_ctl: free(): invalid pointer: 0x00000000012daf00 *** 
======= Backtrace: =========
/lib/libc.so.6(+0x774b6)[0x7f922e12b4b6]
/lib/libc.so.6(cfree+0x73)[0x7f922e131c83]
o2cb_ctl[0x40511a]
o2cb_ctl[0x403a22]
/lib/libc.so.6(__libc_start_main+0xfe)[0x7f922e0d2d8e]
o2cb_ctl[0x402b59]
======= Memory map: ========
00400000-00411000 r-xp 00000000 08:01 131365 /sbin/o2cb_ctl 00610000-00611000 r--p 00010000 08:01 131365 /sbin/o2cb_ctl 00611000-00612000 rw-p 00011000 08:01 131365 /sbin/o2cb_ctl 012da000-012fb000 rw-p 00000000 00:00 0 [heap] 
7f9228000000-7f9228021000 rw-p 00000000 00:00 0
7f9228021000-7f922c000000 ---p 00000000 00:00 0
7f922da50000-7f922da65000 r-xp 00000000 08:01 917566 /lib/libgcc_s.so.1 7f922da65000-7f922dc64000 ---p 00015000 08:01 917566 /lib/libgcc_s.so.1 7f922dc64000-7f922dc65000 r--p 00014000 08:01 917566 /lib/libgcc_s.so.1 7f922dc65000-7f922dc66000 rw-p 00015000 08:01 917566 /lib/libgcc_s.so.1 7f922dc66000-7f922dc7e000 r-xp 00000000 08:01 921986 /lib/libpthread-2.12.1.so <http://libpthread-2.12.1.so> 7f922dc7e000-7f922de7d000 ---p 00018000 08:01 921986 /lib/libpthread-2.12.1.so <http://libpthread-2.12.1.so> 7f922de7d000-7f922de7e000 r--p 00017000 08:01 921986 /lib/libpthread-2.12.1.so <http://libpthread-2.12.1.so> 7f922de7e000-7f922de7f000 rw-p 00018000 08:01 921986 /lib/libpthread-2.12.1.so <http://libpthread-2.12.1.so> 
7f922de7f000-7f922de83000 rw-p 00000000 00:00 0
7f922de83000-7f922deb3000 r-xp 00000000 08:01 917607 /lib/libpcre.so.3.12.1 7f922deb3000-7f922e0b2000 ---p 00030000 08:01 917607 /lib/libpcre.so.3.12.1 7f922e0b2000-7f922e0b3000 r--p 0002f000 08:01 917607 /lib/libpcre.so.3.12.1 7f922e0b3000-7f922e0b4000 rw-p 00030000 08:01 917607 /lib/libpcre.so.3.12.1 7f922e0b4000-7f922e22e000 r-xp 00000000 08:01 921984 /lib/libc-2.12.1.so <http://libc-2.12.1.so> 7f922e22e000-7f922e42d000 ---p 0017a000 08:01 921984 /lib/libc-2.12.1.so <http://libc-2.12.1.so> 7f922e42d000-7f922e431000 r--p 00179000 08:01 921984 /lib/libc-2.12.1.soFailed 


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