Monday, March 30, 2015

Adding Disks to the Aggregate / Expanding the Aggregate


To add the disks to the aggregate, verify the UN-assigned disks first using below command.

Filer> disk show -n
  DISK       OWNER                  POOL   SERIAL NUMBER
------------ -------------          -----  -------------
3c.03.16     Not Owned              NONE   6SL9229GNK
3c.03.22     Not Owned              NONE   6SLN5261G8L
3c.03.8      Not Owned              NONE   6SL0N5261A3Q
3c.03.23     Not Owned              NONE   6SR7260000N03E
3c.03.9      Not Owned              NONE   6SL9260UVL
3c.03.20     Not Owned              NONE   6SLN5260YN3
3c.03.13     Not Owned              NONE   6SL9T9P1CC6
3c.03.19     Not Owned              NONE   6SL20000N5260QUY
3c.03.15     Not Owned              NONE   6SL9TBNG0YKA

Then Assign the disks to a pool using below command

Filer> disk assign  3c.03.16 3c.03.23
Mon Mar 30 21:58:21 PDT [Filer: diskown.changingOwner:info]: changing ownership for disk 3c.03.16 (S/N 6SL9R52N5219B9) from unowned (ID -1) to Filer (ID 15749567)
 Mon Mar 30 21:58:21 PDT [Filer: diskown.changingOwner:info]: changing ownership for disk 3c.03.23 (S/N 6SL9RN2619B9) from unowned (ID -1) to Filer (ID 15749567)

then verify the spare disks using below command

Filer>aggr status -s

before adding disks to the aggregate run below command 

Filer> df -Ah
then Add the spare disks to Aggregate

Filer> aggr add AGGR0 -d  3c.03.16 3c.03.23

Then verify the Aggregate space using 
Filer> df -Ah

Now you can able to see the Aggregate space is increased.

After completion of adding the disks to the aggregate you have to do re-allocation process for all the volumes which will spread the spindles across the aggregate, so you will get good performance.

Filer>reallocate start -o -p -f /vol/vol_name

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