HP D2D .HP D2D Backup System user guide (EH985-90907, March 2011) - Page 62

Disks tab, When you add a shelf

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IMPORTANT: When you add a shelf, the StoreOnce Backup System goes offline. No backup or replication jobs can run. Before using this option, make sure that no jobs are running. Depending upon the amount of data on the StoreOnce Backup System, it can take from 5 minutes to more than 24 hours to add a new shelf. (HP D2D4312 systems with multiple shelves may require considerably longer, depending upon existing shelf configuration and the amount of data.) • Click Create to create a storage pool. This would only be necessary if you had deleted the storage pool and needed to recreate the environment. Shelf: Status: Configuration State: Disks: This is the shelf number. HP D2D4100Series: Shelf 0 is the HP StoreOnce Backup System; Shelf 1 is the Capacity Upgrade Kit, if installed. HP D2D4300 Series: This is the shelf name. Internal is the HP StoreOnce Backup System; external shelves are identified by the card slot and port on the RAID card to which the shelf is attached. HP D2D4312 Backup systems may have up to 3 shelves. This is the status of the shelf. A warning message is displayed if a disk has failed and RAID is being rebuilt. You will need to check the Shelves page to find the exact location of the disk that has failed. This is the configuration status of the shelf. It is shown as not configured if it is not yet part of the storage pool. This shows the number of disks per shelf. The first number refers to the number of disks in the RAID; the second number is the online spare, It is normally 11+1 but can change to show the number of active disks in use. Disks tab The tab provides information about total storage usage and the devices (libraries and NAS shares) making use of the StoreOnce Backup System. Use it to check how individual devices are using the total storage space and when the total storage space is reaching capacity. It also shows the deduplication ratio per library or share. This information is shown in the last column and is updated whenever data is written to disk. 62 Status

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IMPORTANT:
When you add a shelf, the StoreOnce Backup System goes offline. No backup or replication jobs
can run. Before using this option, make sure that no jobs are running. Depending upon the amount
of data on the StoreOnce Backup System, it can take from 5 minutes to more than 24 hours to
add a new shelf. (HP D2D4312 systems with multiple shelves may require considerably longer,
depending upon existing shelf configuration and the amount of data.)
•
Click
Create
to create a storage pool. This would only be necessary if you had deleted the storage
pool and needed to recreate the environment.
This is the shelf number.
HP D2D4100Series: Shelf 0 is the HP StoreOnce Backup System; Shelf 1 is
the Capacity Upgrade Kit, if installed.
HP D2D4300 Series: This is the shelf name. Internal is the HP StoreOnce
Backup System; external shelves are identified by the card slot and port on
the RAID card to which the shelf is attached. HP D2D4312 Backup systems
may have up to 3 shelves.
Shelf:
This is the status of the shelf. A warning message is displayed if a disk has
failed and RAID is being rebuilt. You will need to check the
Shelves
page to
find the exact location of the disk that has failed.
Status:
This is the configuration status of the shelf. It is shown as not configured if it
is not yet part of the storage pool.
Configuration State:
This shows the number of disks per shelf. The first number refers to the number
of disks in the RAID; the second number is the online spare, It is normally
11+1 but can change to show the number of active disks in use.
Disks:
Disks tab
The tab provides information about total storage usage and the devices (libraries and NAS shares)
making use of the StoreOnce Backup System. Use it to check how individual devices are using the
total storage space and when the total storage space is reaching capacity.
It also shows the deduplication ratio per library or share. This information is shown in the last column
and is updated whenever data is written to disk.
Status
62