mdmonitord(1M) System Administration Commands mdmonitord(1M)NAMEmdmonitord - 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 fail‐
ure 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. If you want to run mdmonitord
at a regular interval, a value of 1800 (seconds, every half hour)
is recommended 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 attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Availability │storage/svm │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOsvcs(1), metaclear(1M), metadb(1M), metadetach(1M), metahs(1M),
metainit(1M), metaoffline(1M), metaonline(1M), metaparam(1M), metare‐
cover(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)NOTES
Since frequent probes can affect performance, it is recommended 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 25 Jul 2004 mdmonitord(1M)
