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| man pages section 1M: System Administration Commands Oracle Solaris 11 Information Library |
- daemon to monitor metadevices
/usr/sbin/mdmonitord [-ttime_interval]
Themdmonitord utility is part of Solaris Volume Manager. It monitors andchecks RAID1 (mirrors), RAID5 and hot spares.
There are two methods for checking:
At fixed time intervals.
When a RAID-1 (mirror), RAID-5, or hot spare fails. A failure generates an error event which triggers a check of these metadevices.
The following options are supported:
Time interval in seconds. The default value is 0, which causes probes to occur only upon an error. If you want to runmdmonitord at a regular interval, a value of 1800 (seconds, every half hour) is recommended as a starting point.
The following exit values are returned:
Successful completion.
An error occurred.
Seeattributes(5) for descriptions of the following attributes:
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svcs(1),metaclear(1M),metadb(1M),metadetach(1M),metahs(1M),metainit(1M),metaoffline(1M),metaonline(1M),metaparam(1M),metarecover(1M),metarename(1M),metareplace(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)
Solaris Volume Manager Administration Guide
Since frequent probes can affect performance, it is recommended that the intervalsbetween probes be limited.
Themdmonitord service is managed by the service management facility,smf(5), underthe service identifier:
svc:/system/mdmonitor
Administrative actions on this service, such as enabling, disabling, or requesting restart,can be performed usingsvcadm(1M). The service's status can be queried usingthesvcs(1) command.
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