HP MSA 1040 HP MSA 1040 CLI Reference Guide (762782-001, March 2014) - Page 196

Sync Cache Mode Shows how the SCSI SYNCHRONIZE CACHE command is handled: • Immediate: Good status is returned immediately and cache content is unchanged. • Flush To Disk: Good status is returned only after all write-back data for the specified volume is flushed to disk. Independent Cache Performance Mode Not supported. Missing LUN Response Shows whether host drivers may probe 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's "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. Controller Failure 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. Supercap Failure Shows whether the cache policy will change from write-back to write-through when the supercapacitor that provides backup power for cache is not fully charged or fails. • Disabled: The supercapacitor failure trigger is disabled. • Enabled: The supercapacitor failure trigger is enabled. This is the default. CompactFlash Failure Shows whether the cache policy will change from write-back to write-through when CompactFlash memory is not detected during POST (Power-On Self-Test), fails during POST, or fails during controller operation. • Disabled: The CompactFlash failure trigger is disabled. • Enabled: The CompactFlash failure trigger is enabled. This is the default. Power Supply Failure Shows whether the cache policy will change from write-back to write-through when a power supply fails. • Disabled: The power-supply failure trigger is disabled. This is the default. • Enabled: The power-supply failure trigger is enabled. Fan Failure Shows whether the cache policy will change from write-back to write-through when a fan fails. • Disabled: The fan failure trigger is disabled. This is the default. • Enabled: The fan failure trigger is enabled. Temperature Exceeded Shows whether the system will shut down a controller when its temperature exceeds the critical operating range. • Disabled: The over-temperature failure trigger is disabled. This is the default. • Enabled: The over-temperature failure trigger is enabled. 196