HP XP P9500 Storage - Manual (Page 270)

Description Item
Expanded (LUSE) volume
• An LDEV number ending with # (for example, 00:00:01#) indicates that the LDEV is an
external volume. For details regarding external volumes, see the HP P9000 External Storage
for Open and Mainframe Systems User Guide.
•
An LDEV number ending with V (for example, 00:00:01V) indicates that the LDEV is a virtual
volume (V-VOL) for Snapshot. For details regarding V-VOLs, see the HP P9000 Snapshot
User Guide.
Emulation type. If the selected LDEV is a LUSE volume, the emulation type appears with an
asterisk and the number of volumes in the LUSE volume (for example, OPEN-E*5). Emulation
LDEV capacity, in either MB or GB, depending on which unit is selected in the Capacity Unit
box. Capacity
RAID level of the LDEV. A hyphen (-) indicates the RAID level is unspecified when the LDEV is
an external LU or a virtual volume (V-VOL). RAID
Data protection level. Protection
•
SATA-W/V: Indicates the data protection level if the write and verify mode is set on a SATA
drive.
• SATA-E: Indicates the data protection level if the Enhanced mode is set on a SATA drive.
•
Standard: Indicates that a SAS drive, SSD, external volume, or virtual volume (V-VOL) is
being used.
Parity group. If the LDEV extends over two or more parity groups, the PG column shows the
smaller parity group number. PG
• A parity group number starting with E (for example, E1-1) indicates that the parity group
consists of one or more external LUs.
•
A parity group number starting with V (for example, V1-1) indicates that the parity group
consists of one or more virtual volumes (V-VOLs) for Snapshot.
Number of paths set for the LDEV. If this column shows the number of paths for an LDEV, you
can use the LDEV as the top LDEV of a LUSE volume. Paths
Access attribute that is set for the LDEV. Access Attribute
•
Read/Write: Both read and write operations are permitted on the logical volume.
•
Read-only: Read operations are permitted on the logical volume.
• Protect: Neither read nor write operations are permitted.
Local storage system cache mode. Cache mode
• Disable: Indicates the local storage system cache memory is set to be unused for responding
to the I/O request for the external volume from the host.
•
Enable: Indicates the local storage system cache memory is set to be used for responding to
the I/O request for the external volume from the host.
Drive types of external volumes. Ext. VOL Info
• Asterisk (*): Indicates a SATA or BD drive containing external volumes.
•
Dollar sign ($): Indicates an SSD containing external volumes.
• Hyphen (-): Indicates a drive containing internal volumes.
•
Nothing appears for SAS drives containing external volumes.
Drive types of internal volumes. Int. VOL Info
• Asterisk (*): Indicates a SATA drive containing internal volumes.
•
Dollar sign ($): Indicates an SSD containing internal volumes.
• Hyphen (-): Indicates a drive containing external volumes.
•
Nothing appears for a SAS drive containing internal volumes.
270 LUSE GUI reference