1mdmonitord(1M)          System Administration Commands          mdmonitord(1M)
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NAME

6       mdmonitord - daemon to monitor metadevices
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SYNOPSIS

9       /usr/sbin/mdmonitord [-t time_interval]
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DESCRIPTION

13       The  mdmonitord  utility is part of Solaris Volume Manager. It monitors
14       and checks RAID1 (mirrors), RAID5 and hot spares.
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17       There are two methods for checking:
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19           o      At fixed time intervals.
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21           o      When a RAID-1 (mirror), RAID-5, or hot spare fails. A  fail‐
22                  ure  generates   an  error  event  which triggers a check of
23                  these metadevices.
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OPTIONS

26       The following options are supported:
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28       -t    Time interval in seconds.  The default value is 0,  which  causes
29             probes to occur only upon an error. If you want to run mdmonitord
30             at a regular interval, a value of 1800 (seconds, every half hour)
31             is recommended as a starting point.
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EXIT STATUS

35       The following exit values are returned:
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37       0     Successful completion.
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40       >0    An error occurred.
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ATTRIBUTES

44       See attributes(5) for descriptions of the following attributes:
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49       ┌─────────────────────────────┬─────────────────────────────┐
50       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
51       ├─────────────────────────────┼─────────────────────────────┤
52       │Availability                 │SUNWmdu                      │
53       └─────────────────────────────┴─────────────────────────────┘
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SEE ALSO

56       svcs(1),   metaclear(1M),   metadb(1M),   metadetach(1M),   metahs(1M),
57       metainit(1M), metaoffline(1M), metaonline(1M),  metaparam(1M),  metare‐
58       cover(1M),  metarename(1M), metareplace(1M), metaroot(1M), metaset(1M),
59       metassist(1M), metastat(1M), metasync(1M),  metattach(1M),  svcadm(1M),
60       md.tab(4),  md.cf(4),  mddb.cf(4),  md.tab(4),  attributes(5),  smf(5),
61       md(7D)
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NOTES

67       Since frequent probes can affect performance, it  is  recommended  that
68       the intervals between probes be limited.
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71       The  mdmonitord  service is managed by the service management facility,
72       smf(5), under the service identifier:
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74         svc:/system/mdmonitor
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79       Administrative actions on this service, such as enabling, disabling, or
80       requesting  restart,  can  be performed using svcadm(1M). The service's
81       status can be queried using the svcs(1) command.
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85SunOS 5.11                        25 Jul 2004                   mdmonitord(1M)
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