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Doc: Improve the document for nodesuspend

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Explicitly lists the possible values for "--target" option;
Gets rid of the confused strings like "Suspend-to-RAM";
Emphasises the node *has to* be suspended in the time duration
specified by "--duration". And rewords the entire document a
bit according to the API's implementation and document.
This commit is contained in:
Osier Yang 2014-01-22 14:55:34 +08:00
parent 881a2cff0d
commit 39a0e32867
1 changed files with 8 additions and 5 deletions
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tools/virsh.pod
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@ -297,11 +297,14 @@ If I<cell> is specified, this will prints specified cell statistics only.
=item B<nodesuspend> [I<target>] [I<duration>]
Puts the node (host machine) into a system-wide sleep state such as
Suspend-to-RAM, Suspend-to-Disk or Hybrid-Suspend and sets up a
Real-Time-Clock interrupt to fire (to wake up the node) after a time delay
specified by the 'duration' parameter. The duration time should be
at least 60 seconds.
Puts the node (host machine) into a system-wide sleep state and schedule
the node's Real-Time-Clock interrupt to resume the node after the time
duration specified by I<duration> is out.
I<target> specifies the state to which the host will be suspended to, it
can be "mem" (suspend to RAM), "disk" (suspend to disk), or "hybrid"
(suspend to both RAM and disk). I<duration> specifies the time duration
in seconds for which the host has to be suspended, it should be at least
60 seconds.
=item B<node-memory-tune> [I<shm-pages-to-scan>] [I<shm-sleep-millisecs>]