rgmanager service won't start on some cluster nodes

Solution Unverified - Updated -


  • rgmanager won't start on two cluster nodes.
  • While problematic nodes are seen online in the cluster, rgmanager won't start correctly on them.
  • Following command shows that clurgmgrd is running but there are no "start" log in /var/log/messages
$ service rgmanager start
clurgmgrd (pid  9265) is running...
  • services cannot start correctly
clusvcadm -e service:nfsclient-STATION_C
Local machine trying to enable service:nfsclient-STATION_C...Could not connect to resource group manager
  • Below backtrace are observed for rgmanager process :
INFO: task clurgmgrd:9875 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
clurgmgrd     D ffff810001028e20     0  9875   9874                     (NOTLB)
 ffff813821b43da8 0000000000000082 ffff81383d600dc0 ffffffff8002cbe3
 0000000000000000 0000000000000001 ffff81383fbfe080 ffff8101c4fe8080
 00009ec586b27590 000000000002b8a2 ffff81383fbfe268 0000000422ad1178
Call Trace:
 [<ffffffff8002cbe3>] mntput_no_expire+0x19/0x89
 [<ffffffff8001398c>] filemap_nopage+0x193/0x360
 [<ffffffff80063c4f>] __mutex_lock_slowpath+0x60/0x9b
 [<ffffffff80063c99>] .text.lock.mutex+0xf/0x14
 [<ffffffff8863db68>] :dlm:dlm_new_lockspace+0x2c/0x860
 [<ffffffff80022325>] __up_read+0x19/0x7f
 [<ffffffff8006723e>] do_page_fault+0x4fe/0x874
 [<ffffffff886448ae>] :dlm:device_write+0x438/0x5e5
 [<ffffffff80016b68>] vfs_write+0xce/0x174
 [<ffffffff80017435>] sys_write+0x45/0x6e
 [<ffffffff8005d116>] system_call+0x7e/0x83


  • Red Hat Enterprise Linux (RHEL) 5 U6
  • Red Hat Cluster Suite (RHCS)

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