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Pegasus2 R4/R6/R8 Product Manual
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
3.
Click the X icon to close the information panel.
v
l
iewing
ogiCAl
To view logical drive statistics:
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 the logical drive you want then click the View button.
Click the Statistics tab.
3.
d
s
rive
tAtistiCs
•
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 "" on page
46
•
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 No – Serial number assigned to this logical
•
drive
72
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