Intel SRCMR, User Manual

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114 Intel RAID Controller SRCMR User’s Guide
Add RAID 1 Component
This function allows you to add to a logical drive which is member of an array drive, another
logical drive as a mirror drive (RAID 1).
Example: You have configured an array drive with 4 logical drives. One logical drive has failed
and the array drive has gone into the fail state. Another failure would cause data loss.
Unfortunately, you find another logical drive which is likely to fail (for example, you hear a strange
noise from it, or it’s grown defect counter explodes). If you initiate a hot plug it is very likely that
this critical logical drive will also fail, resulting in a data loss. To avoid that problem, mirror a new
good logical drive to the critical one. When the copying is finished you remove the critical logical
drive and then carry out a hot plug procedure. You can also use this function to mirror RAID 4/5
array drives (RAID 5+1, RAID 4+1).
Replace Array Component
If a logical drive of an array drive without a hot fix drive should fail (or is likely to fail), you should
replace the defective hard disk with a new one as soon as possible because the array drive is
without redundancy. The replacement logical drive has to have at least the same capacity as the
failed one. The replacement is carried out either with StorCon or . After installing the
replacement hard disk as a new logical drive, add it to the array drive. After selecting the logical
drive that needs to be replaced, StorCon offers a list of existing logical drives which can be used as
replacement units. The array drive’s state changes into rebuild and the missing data is
automatically reconstructed on the new logical drive.
Remove RAID 1 Component
This option corresponds to the Add RAID-1 Component option. It allows you to remove a
previously configured RAID-1 combination. Figure 57.
Figure 57. Remove Drive Confirmation
Remove Array Drive
Use the Remove Array Drive command to remove an existing array drive.
WARNING
This option destroys all data on the array drive.
✏
NOTE
If an array drive has been removed, there is a possibility that it could be rebuilt without data loss if
it is reconstructed in the exact same order it had been built before, if the components of the array
drive, that is the host drives, have not been modified, if the stripe size and RAID level are the same
and if a Non-Destructive Build is carried out.
In all other cases ALL DATA WILL BE LOST.