HP StorageWorks XP Remote Web Console Software User Manual

Page 29

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Description

Item

•

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.

The Pool Information box, in the lower left corner of the Pool window, provides the following
information.

Pool Information box

•

Pool ID: Pool identifying number.

•

Status: Pool status.

◦ Normal: Normal status. The pool usage level may exceed the variable or fixed pool

threshold.

◦ Warning: Pool-VOL in the pool is blocked or being formatted.

◦ Blocked: The pool is full or an error occurs in the pool, therefore the pool is blocked. If

the pool is in both Warning and Blocked statuses, only Warning is displayed.

•

Total Capacity: Total pool capacity. Total Capacity is calculated from the number of pages
(42 MB per page).

•

Used Capacity: Used pool capacity. Used Capacity is calculated from the number of pages
(42 MB per page).

•

Usage Rate: Pool usage level as a percentage of the current used pool capacity to the total
pool capacity.

•

Threshold1: Variable threshold compared to usage level. The default setting is 70%. You
can set it from 5% to 95% in 5% increments.

Pool Window

29

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