Hot answers tagged raid
Yarik is correct - the metadata specific to each RAID set is stored on the drives, and will be recognized by the controller on boot. Each time you perform a drive swap and boot, the PERC controller will see drives with a configuration ID that doesn't match what it has stored onboard, and the disks will be marked as "foreign". Be sure that you always import ...
You an use smartctl to examine the SMART data on the drive and run tests. smartctl -a /dev/sdb is a good starting point. You can also run tests smartctl -t short /dev/sdb smartctl -t long /dev/sdb etc. You may also get some informatio from the system logs.
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