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Configuring the Persistent Image Global Settings

You can use drop-down menus to modify the various aspects of the persistent image environment.

1On the NAS Manager primary menu, click Disks, and then click ActiveArchive.

2Click Global Settings and configure the following options.

NOTE: Before changing the Image Directory Name, you must delete all existing persistent images.

Maximum Persistent Images — Specifies the maximum number of active persistent images per volume, up to a maximum of 250. When the volume has 250 persistent images stored, starting another persistent image will overwrite the oldest persistent image with the lowest retention weight.

Inactive Period — Prior to starting a persistent image, the system waits for a period of relative inactivity on the volume being imaged. The default value for this period, which is five seconds, allows systems to start an image with a consistent file set and a minimal time-out. Experienced administrators may reduce or increase this value for system optimization. Reducing the inactive period allows persistent images to begin on systems where disk inactivity is rare, at the possible expense of synchronization problems within applications that are concurrently writing to multiple files.

Inactive Time-Out— Specifies the amount of time the server should continue to retry to create a persistent image (default 15 minutes). A persistent image will not start until a period of relative inactivity, specified by the Inactive Period, occurs. If an interval longer than Inactive Time-Outpasses before the persistent image can begin, the persistent image will not be taken and an error will be displayed in the NAS Manager status indicator and an error will be logged in the event log.

Image Directory Name — Specifies the directory name which will be used for the persistent image mount point. Each persistent image appears as a subdirectory in the volume which is being imaged. The entire content of the volume, as it existed when the persistent image was created, appears under this directory.

Restore Defaults reestablishes the system defaults.

Configuring Persistent Image Volume Settings

You can use drop-down menus to modify volume settings.

1On the NAS Manager primary menu, click Disks and then click ActiveArchive.

2Click Volume Settings.

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Dell ActiveArchive™

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Dell 750N. 755N manual Configuring the Persistent Image Global Settings, Configuring Persistent Image Volume Settings