lvm commands in a cluster block without any signs of storage issues in RHEL 5
Issue
- LVM commands such as lvs and vgdisplay hang forever, but no errors or storage problems found in logs.
clvmd
core shows main thread stuck inread_from_local_sock
, but is NOT related to this issue
Thread 24 (Thread 0x2b591db24300 (LWP 29241)):
#0 0x0000003830e0d654 in __lll_lock_wait () from /lib64/libpthread.so.0
#1 0x0000003830e08f4a in _L_lock_1034 () from /lib64/libpthread.so.0
#2 0x0000003830e08e0c in __pthread_mutex_lock (mutex=0x2b5920004810) at pthread_mutex_lock.c:61
#3 0x000000000041298f in read_from_local_sock (thisfd=0x2b5920004790, buf=<value optimized out>,
len=<value optimized out>, csid=<value optimized out>, new_client=<value optimized out>)
at clvmd.c:1082
#4 local_sock_callback (thisfd=0x2b5920004790, buf=<value optimized out>,
len=<value optimized out>, csid=<value optimized out>, new_client=<value optimized out>)
at clvmd.c:622
#5 0x00000000004130fb in main_loop (local_sock=<value optimized out>,
cmd_timeout=<value optimized out>) at clvmd.c:871
#6 0x0000000000414442 in main (argc=<value optimized out>, argv=0x7fffb12b4938) at clvmd.c:583
Environment
- Red Hat Enterprise Linux (RHEL) 5 with the Resilient Storage Add On
lvm2-cluster-2.02.88-7.el5
locking_type = 3
in/etc/lvm/lvm.conf
- volume group(s) marked with
c
attribute (clustered) clvmd
running
- Conditions described in this solution are NOT present
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