HP StorageWorks XP24000/XP20000 Thin Provisioning Software User Guide (T5227-96015, May 2011)

DescriptionItem
The pool-VOL table contains one or both of the following icons:
• : Pool-VOLs having the V-VOL management area
• : Pool-VOLs not having the V-VOL management area
The pool-VOL table, in the upper right corner of the Pool window, displays the following
information about the selected pool-VOLs:
• LDKC:CU:LDEV: Unique address, consisting of the logical DKC (LDKC) number, CU number,
and LDEV number.
• Capacity: LDEV capacity.
• Emulation: Emulation type.
• RAID: RAID level. As a best practice, always specify the same RAID level for all pool-VOLs
registered to the same pool. RAID-6 is recommended for large pools and where recovery
time due to drive failure may be unacceptable.
• Protection: Data protection level. If Data Retention Utility is installed, the Protection attribute
is set using the Data Retention window in Remote Web Console.
◦ SATA-W/V: Write & Verify method on SATA drives
◦ SATA-E: Enhancing method on SATA drives
◦ Standard: FC drives, flash drives, external volumes, or V-VOLs
It is recommended that the data protection level of the pool-VOLs in the same pool be the
same.
• PG: Parity group.
• Int. VOL Info: Drive type of internal volumes.
◦ Nothing is displayed for FC drives.
◦ An asterisk (*) is displayed for a SATA drive.
◦ A dollar sign ($) is displayed for an SSD drive.
◦ Three consecutive hyphens (- - -) are displayed for an external volume.
CAUTION: Pool-VOLs with different drive types cannot be intermixed in the same pool.
• Ext. VOL Info: Drive type of external volumes.
◦ Nothing is displayed for FC drives.
◦ An asterisk (*) is displayed for a SATA or BD drive.
◦ A dollar sign ($) is displayed for an SSD drive.
◦ Three consecutive hyphens (- - -) are displayed for an internal volume.
• Cache Mode: If the volume is an external volume, cache mode is displayed. This cache
mode is specified automatically when the external volume is mapped.
CAUTION: Pool-VOLs with different cache modes cannot be intermixed in the same pool.
• Total Capacity: Total capacity of the pool-VOLs in the pool.
• Used LDEVs: Total number of pool-VOLs.
• Remaining LDEVs: Total number of pool-VOLs that you can add to the pool.
Pool Window 31