Queue Depth Parameters Table - HP XP48 Configuration Manual

Queue depth parameters table

Type Parameter Name
SCSI Read/write
time-out
Queue depth
Queue type
Fibre Channel Read/write timeout
Queue depth
Queue type
Disk array device emulations
Default Value Required Value for Disk Array
30 60
1 2 (For LUSE devices use 2 for each LUN. For example, if
one LUSE device contains 8 LUNs, use 2
queue depth.)
None Simple
30 60
Before Use 2 if exclusively OPEN-x volumes are mapped to the
52-38-xx SCSI/FC port
Use 8 if exclusively LUSE volumes are mapped to the
SCSI/FC port
Use 2 if an intermix of LUSE and
OPEN-x volumes is mapped to the
SCSI/FC port
Use 8 if an intermix of LUSE and
OPEN-x volumes is mapped for dummy LU
(I-7135-Emu)
Number of volumes × queue-depth ≤ 256 AND
52-40-xx to
queue-depth ≤ 8
52-44-xx
Number of volumes × queue-depth ≤ 256
52-45-xx or later
and queue-depth ≤ 32
None Simple
×
8 = 16 for the
61