Pegasus R6, R4 Product Manual
58
Viewing Logical Drive Information
To view logical drive information:
1.
Do one of the following actions:
•
Click the
Logical Drive
icon.
•
From the Storage menu, choose
Logical Drive
.
The list of logical drives appears.
2.
Mouse-over and click the logical drive you want then click the
View
button.
Logical Drive information displays, including:
•
Logical Drive ID
– LD0, LD1, etc.
•
Alias
– If assigned
•
Array ID
– ID number of the disk array where this logical drive was
created
•
RAID Level
– Set when the logical drive was created
•
Operational Status
– OK, Critical, or Offline
•
Capacity
– Data capacity of the logical drive
•
Number of Axles
– For RAID 10, 2 axles
•
Physical Capacity
– Data capacity of the physical drives
•
Number of Physical Drives
– The number of physical drives in the disk
array
•
Stripe size
– Set at logical drive creation
•
Read Policy
– ReadCache, ReadAhead, or None *
•
Sector size
– Set at logical drive creation
•
Write Policy
– WriteThru or WriteBack *
•
Current Write Policy
– May change from WriteBack to WriteThru under
certain conditions.
•
Preferred Controller ID
– Not applicable
•
Tolerable Number of Dead Drives Per Axle
– Number of physical
drives that can fail without the logical drive going offline
•
Synchronized
– A new logical drive shows
“
No
”
until synchronizing is
completed. See “Synchronization” on page 37
•
Parity Pace
– Pertains to some RAID levels
•
WWN
– Worldwide Number, a unique identifier assigned to this logical
drive
•
RAID 5 & 6 Algorithm
– Pertains to RAID 5 and 6
•
Codec Scheme
– Pertains to some RAID levels
•
Serial Number
– Assigned to this logical drive
