User Manual

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Product Manual Manage with CLU
Grp (group) Rounding–Usesanalgorithmtodeterminetruncation.Resultsinthemax-
imumamountofusabledrivecapacity.
Table Rounding–Appliesapredenedtabletodeterminetruncation.
• HighlightHost Cache Flushingandpressthespacebar
totogglebetweenEnableandDisable.
Formoreinformation,see“HostCacheFlushing”onpage76.
• HighlightCache Flush Intervalandpressthebackspacekey
toerasethecurrentvalue.Typeanewintervalvalue.
Therangeis1to12seconds.Formoreinformation,see “Cache Policy” on page 76.
•
HighlightSMARTandpressthespacebartotogglebetweenEnableandDisable.
•
HighlightSMART Poll Intervalandpressthebackspacekeytoerase
thecurrentvalue.Typeanewintervalvalue(1to1440minutes).
• HighlightPoll Intervalandpressthebackspacekeytoerasethe
currentvalue.Typeanewintervalvalue(15to255seconds).
• HighlightAdaptive Writeback Cacheandpressthespacebar
totogglebetweenEnabledandDisabled.
Formoreinformation,see“HostCacheFlushing”onpage76.
• HighlightForced Read Ahead Cacheandpressthespacebar
totogglebetweenEnabledandDisabled.
Formoreinformation,see“ForcedRead-AheadCache”onpage76.
• HighlightHDD Power Savingandthespacebartochooseatime
period.AfteranHDDhasbeenidleforasetperiodoftime:
Power Saving Idle Time–Parkstheread/writeheads
Power Saving Standby Time–Lowersdiskrotationspeed
Power Saving Stopped Time–Spinsdownthedisk(stopsrotation)
YoumustalsoenablePowerManagementonthediskarray.See“CreatingaDiskArray
–Advanced(CLU)”onpage442and“EnablingMediaPatrol,PDM,PowerManagement-
DiskArray(CLU)”onpage447.
6. Press Control-A to save your settings.
Notes
Power Management must be enabled on the disk array for the HDD Power
Saving settings to be effective. See “Making Disk Array Settings (CLU)” on
page 445.
Power management is limited to the features your HDDs actually support.