User Manual

152
Vess R2000 Series Product Manual Promise Technologies
rebuild
When you rebuildadiskarray,youareactuallyrebuildingthedataononephysicaldrive.
• Whenaphysicaldriveinadiskarrayfailsandasparedriveofadequatecapacityisavailable,thediskarray
begins to rebuild automatically using the spare drive.
•
Ifthereisnosparedriveofadequatecapacity,buttheAutoRebuildfunctionisENABLED,thediskarray
beginstorebuildautomaticallyassoonasyouremovethefailedphysicaldriveandinstallanuncongured
physical drive in the same slot. See “Making Rebuild Settings” below.
•
If thereisnospare drive of adequate capacityandtheAutoRebuild functionis DISABLED,you must
replacethefaileddrivewithanunconguredphysicaldrive,thenperformaManual Rebuild.
See “Rebuilding a Disk Array” on page 195 and “Spare Drives” on page 580.
Also see “Disk Array Degraded / Logical Drive Critical” on page 632 and
“DiskArrayOfine/ LogicalDrive
Ofine”onpage633.
MAking rebuild settings
1. Click the Administration tab.
2. Click the Background Activities icon.
The list of background activities appears.
3. Click the Settings button.
4. Click the Rebuild Rate drop-down menu and choose a rate:
• Low–FewersystemresourcestotheRebuild,moretodataread/writeoperations.
• Medium–BalancessystemresourcesbetweentheRebuildanddataread/writeoperations.
• High–MoresystemresourcestotheRebuild,fewertodataread/writeoperations.
5. Check the Enable Auto Rebuild box to enable Auto Rebuild (rebuilds when you swap out the failed
drive with a new one).
6. Click the Conrm button.