Volume configuration buffer, Volume status buffer – HP Integrity NonStop J-Series User Manual

Page 120

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Guardian Procedures

HP NonStop Storage Management Foundation User's Guide523562-007

8-8

Volume Configuration Buffer

Volume Configuration Buffer

The following information for a magnetic volume is returned to the buffer you identify in
the

vol-config-buffer

parameter after the call to

SMS_GETPHYSVOLSINPOOLNEXT_ or SMS_GETPHYSVOLINFOFROMPOOL_:

Volume Status Buffer

The following information for a magnetic volume is returned to the buffer you identify in
the

vol-status-buffer

parameter when you call

SMS_GETPHYSVOLSINPOOLNEXT_ or SMS_GETPHYSVOLINFOFROMPOOL_:

Configuration
Attribute

Byte
Offset

Description

Mirroring

0:1

Two bytes treated as a single binary field. Set to 0 if the volume
is not configured to be mirrored. Set to 1 if the volume is
configured to be mirrored. This value does not indicate whether
the mirror is UP.

Auditing

2:3

Two bytes treated as a single binary field. Set to 0 if the volume
is not protected by TMF. Set to 1 if the volume is protected by
TMF. This value does not indicate whether the volume is
currently able to generate audit data.

Nomadic disk
support

4:5

Two bytes treated as a single binary field. Set to 0 if the volume
is not configured to have a remote mirror. Set to 1 if the volume
is configured with a remote mirror.

Isolation

6:7

Two bytes treated as a single binary field. Set to 0 if the volume
is not currently isolated. Set to 1 if the volume is currently
isolated.

Quarantine

8:9

Two bytes treated as a single binary field. Set to 0 if the volume
is not currently quarantined. Set to 1 if the volume is currently
quarantined.

Status Item

Byte
Offset

Description

Volume
availability state

0:1

Two bytes treated as a single binary field. Set to 0 if the volume
is unavailable for normal processing. Set to 1 if the volume is
available for all normal processing. Set to 2 if the volume is UP
in SPECIAL mode and unavailable for most processing.

Mirroring state

2:3

Two bytes treated as a single binary field. Set to 0 if the volume
is currently unmirrored; this value indicates that the volume is not
configured to be mirrored or that it is a mirrored volume, but one
of the disks is down. Set to 1 if the volume is currently mirrored.

Audit state

4:5

Two bytes treated as a single binary field. Set to 1 if the volume
is able to generate audit. Set to 0 if the volume cannot generate
audit or is not configured for TMF.

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