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Horctakeover, Horctakeover 117 – HP XP RAID Manager Software User Manual

Page 117

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RAID Manager command reference

117

horctakeover

Take ownership of a pair

CA only

Description

The horctakeover meta command (contains many sub-commands) is used
in conjunction with HA software, such as MC/Service Guard and CA. It
selects and executes one of four actions, depending on the state of the
paired volumes: nop-takeover, swap-takeover, SVOL-takeover, or
PVOL-takeover.

See “Takeover-switch function” on

page 350

for actions taken by

horctakeover

.

The table under the heading “HA control script state transitions” on

page 330

lists state transitions resulting from the execution of

horctakeover

in HA control scripts.

Note

Executing horctakeover in a cascaded CA environment will cause an
automatic suspend of the downstream CA Journal.

Syntax

horctakeover

{ –nomsg | –g group

| –d pair_vol | –d[g] raw_device

[MU#] | –d[g] seq# LDEV# [MU#] | -h | –q

| –S | –l | –t timeout | –z | –zx }

Arguments

–nomsg

Suppresses messages to be displayed. It is used to
execute this command from a user program.

–g group

Specifies a group name in the RM instance
configuration file.

–d pair_vol

Specifies a paired volume name written in the
configuration definition file. The command executes
only for the specified paired volume.

–d

[g] raw_device [ MU# ]

(HP-UX, Linux, Solaris, MPE/iX, and
Windows NT/2000/2003 only)

Searches the RM

instance configuration file (local instance) for a volume
that matches the specified raw_device. If a volume is