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Replacing or Swapping a Disk

You can replace a failed disk or swap a working disk in a C-series Controller. Note the following limitations:

Replacing a disk— You can replace it while the other disk remains active.
Swapping a disk—You cannot remove both disks in the C-series Controller at the same time. Do not power down the system or initialization errors may occur.

To replace or swap a disk:

Disable the disk.user@host> request disk disable device 0 | 1

Note: Do not power down the C-series Controller when you are swapping a disk, because doing so might result in initialization errors.
Remove the disk from the system.
Insert a new disk.
Enable the disk.user@host> request disk enable device 0 | 1
Initialize the new disk.user@host> request disk initialize device 0 | 1
The command generates data on the disk that enables the disk controller to manage the disk. The disk controller copies data from the other disk and establishes mirroring between the two disks.

Verify that the disk is initialized.



user@host> show disk status

C:ID:L  Device Type     Blocks    Bytes/Block Usage            Shared Rate

------  --------------  --------- ----------- ---------------- ------ ----

0:00:0   Disk            145226112 512         Initialized      NO     150 

0:01:0   Disk            145226112 512         Initialized      NO     150 
  

        Smart    Method of         Enable 

        Capable  Informational     Exception  Performance  Error  

C:ID:L  Device   Exceptions(MRIE)  Control    Enabled      Count  

------  -------  ----------------  ---------  -----------  ------

0:00:0     Y            6             Y           N             0

0:01:0     Y            6             Y           N             0
 

Controller Tasks

TaskId Function  Done%  Container State Specific1 Specific2

------ -------- ------- --------- ----- --------- ---------
100     Rebuild  0.3%    0         RUN   00000000  00000000

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