Hp Hitachi Dynamic Link Manager Software Uživatelský manuál Strana 238

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6. Command Reference
214
6.4 offline (Places Paths Offline)
The dlnkmgr command's offline operation places online paths offline. Specify the
paths to be placed offline by specifying an HBA port, CHA port, single path, or HBA
port WWN.
There must always be at least one online path accessing each LU.
Placing too many paths offline might prevent paths from being able to switch if an
error occurs. Before placing a path offline, use the
view operation to check how many
online paths remain. For details about the
view operation, see 6.7 view (Displays
Information).
In a cluster configuration, an
offline operation requested during reserve processing
is put into the waiting-to-execute state (
Online(P), Online(EP), or Offline(P)),
and does not execute until the reserve processing finishes.
6.4.1 Format
(1) To Place Paths Offline
dlnkmgr offline
[-path]
{-hba
host-port-number.bus-number
|-cha -pathid AutoPATH_ID
|-pathid AutoPATH_ID
|-hbaportwwn HBA-port-WWN [-tid target-ID -hlun
host-LU-number]}
[-s]
(2) To Display the Format of the offline Operation
dlnkmgr offline -help
6.4.2 Parameters
(1) To Place Paths Offline
-path
Indicates that the target of the operation is a path managed by HDLM.
This parameter is optional because
offline is always used for paths, so it is
assumed.
Make sure that you specify the paths to be taken offline by using the
-hba, -cha,
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