User Manual

434
Vess R2000 Series Product Manual Promise Technologies
• HighlightCmdQueuingandpressthespacebarto
togglebetweenEnabledandDisabled.
•
HighlightMediumErrorThresholdandpressthebackspacekeyto
removethecurrentvalue,thentypeanewsmallervalue.
Seethecommentsonthenextpage.
• HighlightDMA Modeandpressthespacebartotoggle
throughUDMA0to6andMDMA0to2.
For SAS drives:
• HighlightWrite CacheandpressthespacebartotogglebetweenEnabledandDisabled.
•
HighlightRead Look Ahead Cacheandpressthespacebar
totogglebetweenEnabledandDisabled.
•
HighlightCmdQueuingandpressthespacebarto
togglebetweenEnabledandDisabled.
•
HighlightMediumErrorThresholdandpressthebackspacekeyto
removethecurrentvalue,thentypeanewsmallervalue.
Seethecommentsbelow.
• HighlightRead CacheandpressthespacebartotogglebetweenEnabledandDisabled.
4. Press Control-A to save your settings.
See “Viewing Physical Drive Information” below to determine which functions your physical drives
support.
Medium Error Threshold is the number of bad blocks tolerated before the controller marks the drive as
Dead. The default setting is 64 blocks. A setting of zero disables the function. When disabled, no drives
aremarkedofineevenwhenerrorsaredetected.