allocate unallocated space

[f. halili]

Can I get 21 Gig from the unallocated space of 41 Gigi and give it to my existing allocated space of 86Gig even the Raid 0/1 capacity says it's using 30.6 Gig ??

Will there be problems if I do.

I ran arraydsp -a for our reference:

Total physical = 173664 MB *
Allocated to LUNs = 86016 MB *
Used as Active Hot spare = 17366 MB *
Used by non-included disks = 0 MB *
Used for Redundancy = 28852 MB *
Unallocated (avail for LUNs) = 41430 MB *

--------------------------------------------
Raid 0/1 blocks = 62804864
Raid 0/1 block length = 512
Raid 0/1 capacity = 30666 MB *

[Jim Mulshine]

If you have not already created 8 LUNs (the max limit in AutoRAID) then you can create a new 21 GB LUN since you have plenty of unallocated space. However, you will probably get a performance decrease since you'll be decreasing the amount of unallocated space, which AutoRAID uses for RAID 0/1.

[Antoanetta Naghiu · Accepted solution]

Dear fnh,
I ran arraydsp ?a in my system and I had the following configuration:

Total physical = 147614 MB *
Allocated to LUNs = 84280 MB *
Used as Active Hot spare = 17366 MB *
Used by non-included disks = 0 MB *
Used for Redundancy = 27712 MB *
Unallocated (avail for LUNs) = 18256 MB *

--------------------------------------------
Raid 0/1 blocks = 49679616
Raid 0/1 block length = 512
Raid 0/1 capacity = 24257 MB *

I created for you a LUN as 21M, and arraydsp ?a looks like:

Total physical = 147614 MB *
Allocated to LUNs = 84301 MB *
Used as Active Hot spare = 17366 MB *
Used by non-included disks = 0 MB *
Used for Redundancy = 27712 MB *
Unallocated (avail for LUNs) = 18235 MB *

--------------------------------------------
Raid 0/1 blocks = 49679616
Raid 0/1 block length = 512
Raid 0/1 capacity = 24257 MB *

Just for your info, I played in a production system and I have users on the system. Of course, to create the LUN and remove it took a little while (few minutes) but nobody was interrupted.

[Antoanetta Naghiu]

So, as you can see, the 30.6G doesn't count on unallocated MB. Hope that helps!
Good Luck!

[f. halili]

thanks !!!!!!!!