Shutdown At 98% Capacity; Reclaiming Storage Space - HP 12000 User Manual

1. Select the System tab.
2. Select Chassis in the navigation tree.
The chassis details window opens.
3. In the Oversubscription section, select Enabled.
4. The Notify when storage capacity is [x] % Full box defaults to 90. You may change the value
or leave it at 90.
This percentage value is the threshold of storage space consumed that when reached triggers
a storage capacity notification alert. If this threshold is set to zero (0), an alert will be sent
only when existing capacity has been reached.
5. Click Apply Settings.
To disable oversubscription, deselect the Enabled box.
NOTE: Oversubscription cannot be disabled while cartridge capacity is oversubscribed.

Shutdown at 98% Capacity

The system displays warnings on the Notifications screen when the backend storage capacity
consumed reaches the user-defined threshold (determined when you enabled oversubscription).
Additional notifications are sent when the capacity consumed reaches 95% and again at 98%.
At the level of 98%, the system will reject all attempts to write data from the backup application.
Free up storage space or add more storage before reaching this point to ensure that no data is
lost. All read operations remain unaffected.
Once you reduce the capacity consumed to a level below the user-defined threshold, writes from
the backup application resume automatically. However, if you reduce the capacity consumed to
less than 98% but still above the threshold, you can manually resume writes by selecting Enable
Writes (now visible) from the task bar of the Chassis status screen.
When the storage capacity consumed exceeds the user-defined threshold, the system:
Displays warnings on the Notifications screen
Sends emails (if configured) to specified users
Sends alerts to the management consoles (if SNMP traps are configured)
Displays the Reclaim Space link on the Chassis status screen
At this point, you can perform the following tasks:
Erase cartridges — erase or relabel expired cartridges to free up storage space. See your
backup application manual for details.
NOTE:
space and can be erased to create more storage space. See
Reports" (page
Erasing data from cartridges containing data that is not deduplicated will free up more storage
space than erasing from cartridges with deduplicated data.
Reclaim space — see
Add more storage
NOTE:

Reclaiming Storage Space

The Reclaim Space task appears on the Chassis status screen when the storage capacity consumed
reaches the user-defined threshold (or the default of 90%). This allows you to schedule reclamation
Use the Cartridge Utilization report to identify cartridges that are consuming more
131).
"Reclaiming Storage Space" (page
You cannot hot-add storage while the VLS is deduplicating data.
"Receiving Automated
89).
Managing Oversubscription 89