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Persistent Storage Manager

50 NAS 1000s Administration Guide

Note: Changing the values for the cache size can result in cache files that exceed the maximum

cache file based on the current granule size. If the limit is exceeded "out of memory" notices appear

in the event log and the WebUI status page when the first snapshot utilizing that cache file is taken.

The snapshot will fail to create but the cache file is built regardless. It is important to reduce the

cache file size via the above screen or clean the cache files prior to the restart of the NAS system if

an oversized cache file is created.

Warning threshold reached when

This option defines the percentage of cache space which, when consumed, will trigger warning

messages to the system event log.

Begin deleting images when

This option defines the percentage of cache space which, when consumed, will trigger the

automatic deletion of the oldest snapshot on the system. Automatic snapshot deletions are

recorded in the system log.

Cache size

This option specifies the amount of space allocated to the cache file. Increasing this value will

allow more and larger snapshots to be maintained. Make sure that adequate space is available

on the drive where snapshots are stored.

Schedules

Figure 14: Persistent Image Schedules

The Persistent Storage Manager Schedules page displays a list of scheduled snapshots and

associated tasks.

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HP S1000 Guide de l'utilisateur Page 50