Product manual

112
VTrak A-Class Product Manual Promise Technologies
Stripe= Specieslogicaldrivestripesize.Optionsinclude64KB,128KB,
256KB,512KB,and1024KB.Ifnotspecied,thedefault64KB
isused.
WritePolicy= Specieslogicaldrivewritepolicy.
writethru Writesarenotcached
writeback Writesarecached
ReadPolicy= Specieslogicaldrivereadpolicy.
readahead Readsextradatatohelpreducereadtimesofsequentialdata.
readcache Cachereadsthedataincasethesamerequestismadeagain.
nocache Nocachingalgorithm.
Axle= AmemberelementwhencreatingaRAID10orRAID50or
RAID60.RAID10have2axles,RAID50andRAID60mayhave
upto16axleswithupto16drivesperaxle.
PreferredCtrlId= Subsystemsonly.Specieswhichcontrollerispreferred
forLUNafnityoftheLD.Validvalueis1or2.Ifvalueisnovalue
isspecied,LUNafnityisautobalanced.
-c<arraycount> Speciesthenumberofarraystogiveasummaryofwhenused
withthe-alistoption.Forexample‘array-alist-c3’willgivea
summaryfortherst3arraysonthatcontroller.
<Ldcount> Speciesthenumberoflogicaldrivestobecreatedwiththe-aadd
option.Withthe-coption,allthelogicaldriveshavesamesettings
butonlyone-loption=valuecanbespecied.
-t<conditiontype> Speciesthetypeofincompleteconditiontoaccept.Ifnot
specied,itwillacceptthecurrentincompleteconditionby 
default.