HP P2000 Reference Manual page 289

Table 9 advanced-settings-table properties (continued)
Name Type
dynamic-spares string
emp-poll-rate string
host-cache- string
control
host-cache- string
control-numeric
sync-cache-mode string
sync-cache- string
mode-numeric
missing-lun- string
response
controller- string
failure
controller- string
failure-numeric
super-cap- string
failure
super-cap- string
failure-numeric
Description
Shows whether the storage system will automatically use a compatible disk as a
spare to replace a failed disk in a vdisk if no compatible spare is available.
• Disabled: The dynamic spares feature is disabled. This is the default.
• Enabled: The dynamic spares feature is enabled.
Shows the interval in seconds at which the storage system polls each attached
enclosure's EMP for status changes. The default is 5 seconds.
Shows whether hosts are allowed to use the SCSI MODE SELECT command to
change the storage system's write-back cache setting.
• Disabled: Host control of caching is disabled. This is the default.
• Enabled: Host control of caching is enabled.
Numeric equivalents for host-cache-control values.
•
0: Disabled
•
1: Enabled
Shows how the SCSI SYNCHRONIZE CACHE command is handled.
• Immediate: Good status is returned immediately and cache content is
unchanged. This is the default.
• Flush To Disk: Good status is returned only after all write-back data for
the specified volume is flushed to disk.
Numeric equivalents for sync-cache-mode values.
•
0: Immediate
•
1: Flush to Disk
Shows whether host drivers are allowed to continue probing for LUNs until the
host drivers reach the LUN to which they have access.
• Not Ready: Sends a reply that there is a LUN where a gap has been
created but that it is "not ready." Sense data returned is sensekey = 2,
code = 4, qualifier = 3. This is the default.
• Illegal Request: Sends a reply that there is a LUN but that the request
is "illegal." Sense data returned is sensekey = 5, code = 25h, qualifier = 0.
Shows whether the cache policy will change from write-back to write-through
when a controller fails.
• Disabled: The controller failure trigger is disabled. This is the default.
• Enabled: The controller failure trigger is enabled.
Numeric equivalents for controller-failure values.
•
0: Disabled
•
16: Enabled
Shows whether the cache policy will change from write-back to write-through
when the super-capacitor that provides backup power for cache is not fully
charged or fails.
• Disabled: The super-capacitor failure trigger is disabled.
• Enabled: The super-capacitor failure trigger is enabled. This is the default.
Numeric equivalents for super-cap-failure values.
•
0: Disabled
•
4: Enabled
HP P2000 G3 MSA System CLI Reference Guide 289