DATOptic RM12-S6.TB - Rackmount - Manual (Page 30)

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WEB BROWSER-BASED CONFIGURATION
6.7.7 Activate Failed Disk
It forces the current “failed” disk in the system to be back online.
“Activate Failed Disk” function has no effect on the removed disks,
because a “removed” disk does not give the controller a chance to
mark it as “failure”.
Followings are considered as “Removed-Disk”:
(1). Manually removed by user
(2). Losing PHY connection due to bad connector, cable, back-
plane
(3). Losing PHY connection due to disk fail
Basically, in the eyes of the controller, the disk suddenly disap-
pears due to whatever reason.
6.7.6 Set Disk To Be Failed
It sets a normal working disk as “failed” so that users can test
some of the features and functions.