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Precopy data for V1R5

Publication Date:  2016-04-26 Views:  107 Downloads:  0
Issue Description

If we have one  disk with bad sectors, that is not in fail status or in reconstructed status, it's much better to replace that disk for safety. If you found in logs that a disk has bad sectors, that disk  will fail in a short time. in order to avoid that anoter disk to be fail in the same time with the first  disk with bad sectors it's much better to precopy all the data on a spare disk and to remove the disk with bad sectors in a mannualy way after all the data were precopied on the spare disk.

 

Solution

Lets suppose  that the involved disk with bad sectors is disk 0,10 :

 

We want to precopy data from disk 0,10 to one hot spare disk …   We will  choose ADVANCED / MANUAL SWAP DISK;

On MANUAL MEMBER DISKS we have to chose the involved disks: DISK 0,10 and at HOT SPARE DISKS we have to choose a disk that has status as “hot spare disk” ( all the hot spare disks will appear there, in that section) we will choose disk position 0,6 .  So, all the data from disk 0,10 will be precopy in a manually way to disk 0,6 . – After that the disk 0,10 will become FREE disk .

 

 

 

 We can check the status of disk 0,10  / 0,6 :

 

Also we can check the status of this task in task manager ( one click on right corner on ISM on task manager bar )

 

After the precopy will be finished the disk 0,10 will become FREE disk.

Right now we can plug out the disk 0,10 and put a new disk without bad sectors in position 0,10.

 

 

After that set disk 0,10 as hot spare  and set again a precopy process [ ADVANCED / MANUAL SWAP DISK; ]  from  disk 0,6 to disk 0,10 . and everything will become like in step one ( the first step)  but the disk 0,10 has been replaced without risks , I am talking about  the risk that another disk to be faulty  in the same time – we have RAID 5 -  if you will plug out the disk 0,10 without MANUAL SWAP DISK. 

 

END