Avago Technologies 3ware 9650SE-12ML (Channel) - Manual (Page 283)

Error and Notification Messages
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as error rates and retry counts.This type of monitoring may be able to predict a
drive failure before it happens, allowing you to schedule service of the unit
before it becomes degraded. The SMART status of each drive attached to the
3ware RAID controller is monitored daily.
Action
AMCC recommends that you replace any drive that has exceeded the SMART
threshold.
If the drive is part of a redundant unit, remove the drive through 3DM 2 or
CLI. Replace the drive and start a rebuild.
If the drive is not part of a redundant unit, then you will need to backup your
data before replacing the drive.
See Also
“Viewing SMART Data About a Drive” on page 157
“Rebuilding Units” on page 167
0019 Drive removed
Event Type
Warning
Cause
A drive was physically removed from the controller while the controller was
powered on.
Action
If the drive is not part of a redundant unit, return the drive as soon as possible.
You may need to rescan the controller to have the drive recognized. If at all
possible, do not remove a drive from a non-redundant unit as this may cause
data loss or a system hang.
001A Drive inserted
Event Type
Information
Cause
A drive was connected to the controller while the controller was powered on.