Promise Technology FastTrak66 Anwenderhandbuch Seite 38

Manual EN 05-08-1999 11:30 Pagina 34
Fastcheck™ Monitoring Utility
Critical: Used only in reference to a Mirroring array (RAID 1 or RAID 0+1).
A problem has been detected in one of the drives of the array and the drive has
been taken "offline." However, a "critical" array will continue to save and
retrieve data from the remaining working drive(s). Promise recommends repla-
cing the failed drive as soon as possible since a "Critical" array offers no data
redundancy.
Offline: This would appear most commonly within a RAID 0 or Spanning
array. The "Offline" results from a drive having failed which has taken the enti-
re array "offline." In this case, you have likely lost data. Fix/replace the drive
that has failed, then restore data from a backup source.
Array Drive Information
By left-clicking on a drive member of an array in the left pane, the right pane
shows the following information categories for that array:
Status: (Okay, Bad, Offline, Rebuilding)
Okay: Means the drive is working normally
Bad: A problem has been detected in the drive and the drive taken offline.
Mirrored arrays will continue to function without the drive. Striped and
Spanning arrays will go offline when a drive fails. In this case, you have like-
ly lost data. Fix/replace the drive that has failed, then restore data from a bac-
kup source.
Offline: Drives that are NOT identified as "bad" may be taken offline if part of
a Striping or Spanning array containing a "bad." drive. These drives do NOT
need to be replaced, however.
Rebuilding: For drives in a mirroring array, this indicates the target drive in the
rebuild process.
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