HP Integrity NonStop H-Series Betriebsanweisung PDF herunterladen (Seite 110)

HP NonStop Shadowbase Command Definitions

Collector Command Descriptions

HP NonStop Shadowbase Command Reference Manual—785421-002

101

This directs listing the output to a named file. If omitted, listing output

goes to the AUDCOM list file; this is typically the home terminal.

audmon_name

Optionally specifies the Guardian process name for the HP Shadowbase

monitor process controlling the replication environment. If omitted, the

currently opened replication environment will be used.

coll_name

Is the name of the Collector.

This indicates to include all Collectors.

These are the possible STATEs for the Collector:

FAILED All attempts at recovery failed.

IDLE Collector added, but has not been started.

RECOVERY An automatic recovery is scheduled for this Collector.

RUNNING Collector started and processing has begun.

STARTED Collector started via START command, but is not

processing yet.

UNKNOWN Collector did not respond within AUDMON’s timeout

period. AUDMON could not determine current state.

Check EMS messages for more information on the

STATE of the Collector.

Notes:

 The 'UNKNOWN' status most often happens when the COLL is stuck

waiting on an ARLIB call, such as a restore. The COLL that issued the

ARLIB call is unable to provide status untill ARLIB returns control.

When HP Shadowbase is reading along in the audit, if it hits EOF on

the current trail, it talks to a TMFSERVE process to find the next trail to

read. It then looks on disk in the active TMF subvols for the specified

file, as well as a number of other places (like the ADTSCRATCH

subvols). If found, the COLL just uses it.

If the file is not found, HP Shadowbase rechecks with TMFSERVE to

see that it is in the catalog, but has rolled off the system. The COLL

will then log an EMS message that it is waiting on this trail before it

calls ARLIB to get it restored. TMF will then log a tape mount request.

 Effective release v3.963, ,the STATUS COLL output was enhanced to

show when a Collector is waiting on a particular audit trail that is not

currently on disk in any of the TMF subvolumes or in a HP

Shadowbase scratch subvolume.

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HP Integrity NonStop H-Series Betriebsanweisung Seite 110