System Administration Commands mdmonitord(1M)
NAME
mdmonitord - daemon to monitor metadevices
SYNOPSIS
/usr/sbin/mdmonitord [-t time_interval]
DESCRIPTION
The mdmonitord utility is part of Solaris Volume Manager. It
monitors and checks RAID1 (mirrors), RAID5 and hot spares. There are two methods for checking: o At fixed time intervals.o When a RAID-1 (mirror), RAID-5, or hot spare fails.
A failure generates an error event which triggers a check of these metadevices. OPTIONS The following options are supported:-t Time interval in seconds. The default value is 0,
which causes probes to occur only upon an error. Ifyou want to run mdmonitord at a regular interval, a
value of 1800 (seconds, every half hour) is recom-
mended as a starting point. EXIT STATUS The following exit values are returned: 0 Successful completion. >0 An error occurred.ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:SunOS 5.11 Last change: 25 Jul 2004 1
System Administration Commands mdmonitord(1M)
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Availability | storage/svm ||_____________________________|_____________________________|
SEE ALSO
svcs(1), metaclear(1M), metadb(1M), metadetach(1M), metahs(1M), metainit(1M), metaoffline(1M), metaonline(1M), metaparam(1M), metarecover(1M), metarename(1M), metareplace(1M), metaroot(1M), metaset(1M), metassist(1M), metastat(1M), metasync(1M), metattach(1M), svcadm(1M), md.tab(4), md.cf(4), mddb.cf(4), md.tab(4), attributes(5), smf(5), md(7D) NOTESSince frequent probes can affect performance, it is recom-
mended that the intervals between probes be limited.The mdmonitord service is managed by the service management
facility, smf(5), under the service identifier: svc:/system/mdmonitor Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The service's status can be queried using the svcs(1) command.SunOS 5.11 Last change: 25 Jul 2004 2