1 .TH lhbadm 8 "2009 Apr 29" Lustre "System Administration Utilities"
3 lhbadm \- Lustre failover utility
5 .B lhbadm {failover|failback} reason ...
7 .B pdsh -g lustre lhbadm status | dshbak -c
11 simlifies heartbeat administration on Lustre clusters.
12 It offers the following operations:
15 Print a single line status message consisting of the heartbeat resource
16 status a hyphen, and lustre status.
17 Under normal circumstatus, server status should be \fIlocal-local\fR.
19 .B failover \fIreason ...\fR
20 Initiate failover of local services (and foreign if active) to the
22 The command blocks until the transition is complete, which includes
23 starting lustre on the partner node.
24 Initiation and completion of failover is logged to the syslog
25 \fRuser.err\fI facility.
27 .B failback \fIreason ...\fR
28 Initiate failback of the local services from the failover
29 partner. The command blocks until the transition is complete, which
30 includes starting lustre.
31 Initiation and completion of failback is logged to the syslog
32 \fRuser.err\fI facility.
33 .SH "HEARTBEAT STATUS VALUES"
34 The heartbeat resource status values returned by \fBlhbadm status\fR
35 may be one of the following:
38 Hearbeat expects only the local services to be running.
41 Hearbeat expects no services to be running.
44 Hearbeat expects local and foreign services to be running.
47 Hearbeat expects only the foreign services to be running.
50 Resources are in transition.
51 .SH "LUSTRE STATUS VALUES"
52 The lustre status values returned by \fBlhbadm status\fR
53 may be one of the following:
56 Lustre modules are loaded but that's about it.
59 One or more Lustre services is in recovery.
62 Lustre is not healthy.
65 Lustre is not running any services
68 Lustre is running only the local services.
71 Lustre is running only the foreign services.
74 Lustre is running both the local and foreign services.
77 Lustre is partially started and may be running one or more services,
78 but not exactly the local, foreign, or all sets.