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тАО12-15-2011 08:03 AM
тАО12-15-2011 08:03 AM
saconfig - added 3 new disks; how to assign them?
HI
Have just put 3 new 300GB disks in an MSA30, they are now in UNASSIGNED state.
How do I asign them?
******************** SmartArray RAID Controller /dev/ciss0 ********************
Auto-Fail Missing Disks at Boot = enabled
Cache Configuration Status = cache enabled
Cache Ratio = 50% Read / 50% Write
---------- PHYSICAL DRIVES ----------
Location Ch ID Size Status
External 1 0 300.0 GB OK
External 1 1 300.0 GB OK
External 1 2 300.0 GB OK
External 1 3 300.0 GB OK
External 1 4 300.0 GB UNASSIGNED
External 1 5 300.0 GB UNASSIGNED
External 2 2 300.0 GB UNASSIGNED
External 2 3 300.0 GB OK
External 2 4 300.0 GB OK
External 2 5 300.0 GB OK
External 2 8 300.0 GB SPARE
---------- LOGICAL DRIVE 0 ----------
Device File = c0t0d0
RAID Level = 5
Size = 307196 MB
Stripe Size = 16 KB
Status = OK
Participating Physical Drive(s):
Ch ID
1 0
1 1
1 2
1 3
2 3
2 4
2 5
Participating Spare Drive(s):
Ch ID
2 8
---------- LOGICAL DRIVE 1 ----------
Device File = c0t0d1
RAID Level = 5
Size = 5119 MB
Stripe Size = 16 KB
Status = OK
Participating Physical Drive(s):
Ch ID
1 0
1 1
1 2
1 3
2 3
2 4
2 5
Participating Spare Drive(s):
Ch ID
2 8
---------- LOGICAL DRIVE 2 ----------
Device File = c0t0d2
RAID Level = 5
Size = 81918 MB
Stripe Size = 16 KB
Status = OK
Participating Physical Drive(s):
Ch ID
1 0
1 1
1 2
1 3
2 3
2 4
2 5
Participating Spare Drive(s):
Ch ID
2 8
---------- LOGICAL DRIVE 3 ----------
Device File = c0t0d3
RAID Level = 5
Size = 153597 MB
Stripe Size = 16 KB
Status = OK
Participating Physical Drive(s):
Ch ID
1 0
1 1
1 2
1 3
2 3
2 4
2 5
Participating Spare Drive(s):
Ch ID
2 8
---------- LOGICAL DRIVE 4 ----------
Device File = c0t0d4
RAID Level = 5
Size = 5119 MB
Stripe Size = 16 KB
Status = OK
Participating Physical Drive(s):
Ch ID
1 0
1 1
1 2
1 3
2 3
2 4
2 5
Participating Spare Drive(s):
Ch ID
2 8
---------- LOGICAL DRIVE 5 ----------
Device File = c0t0d5
RAID Level = 5
Size = 81918 MB
Stripe Size = 16 KB
Status = OK
Participating Physical Drive(s):
Ch ID
1 0
1 1
1 2
1 3
2 3
2 4
2 5
Participating Spare Drive(s):
Ch ID
2 8
---------- LOGICAL DRIVE 6 ----------
Device File = c0t0d6
RAID Level = 5
Size = 409594 MB
Stripe Size = 16 KB
Status = RECOVERING
Recovering = 99.09% Done
Participating Physical Drive(s):
Ch ID
1 0
1 1
1 2
1 3
2 3
2 4
2 5
Participating Spare Drive(s):
Ch ID
2 8
---------- LOGICAL DRIVE 7 ----------
Device File = c0t0d7
RAID Level = 5
Size = 204796 MB
Stripe Size = 16 KB
Status = READY FOR RECOVERY OPERATION
Participating Physical Drive(s):
Ch ID
1 0
1 1
1 2
1 3
2 3
2 4
2 5
Participating Spare Drive(s):
Ch ID
2 8
---------- LOGICAL DRIVE 8 ----------
Device File = c0t1d0
RAID Level = 5
Size = 102398 MB
Stripe Size = 16 KB
Status = READY FOR RECOVERY OPERATION
Participating Physical Drive(s):
Ch ID
1 0
1 1
1 2
1 3
2 3
2 4
2 5
Participating Spare Drive(s):
Ch ID
2 8
Thanks for any help.
Tariq
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тАО12-15-2011 10:07 AM
тАО12-15-2011 10:07 AM
Re: saconfig - added 3 new disks; how to assign them?
You dont mention the SA controller model or the system, but...for the most part you use the saconfig command to configure the drives into a LUN. The command to create a LUN would be something like saconfig /dev/cissXX -R <raid-level> -S <stripe-size>.....etc.
Reference either the man page or see the link to a document that explains the command usage well:
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c02011726/c02011726.pdf
-Bob
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тАО12-15-2011 10:21 AM
тАО12-15-2011 10:21 AM
Re: saconfig - added 3 new disks; how to assign them?
Thanks Bob
I attach an sautil output:
Also, what I managed to find out was the command which you also identified, so I did:
saconfig /dev/ciss0 -R 5 -S 16 -p 1:4 -p 1:5 -p 2:2
ALl the drives were now NOT unassigned, but OK. BUT, upon doing an saconfig /dev/ciss0, i got a Logical Drive #9, using only the 3 new disks:
---------- LOGICAL DRIVE 9 ----------
Device File = c0t1d1
RAID Level = 5
Size = 572195 MB
Stripe Size = 16 KB
Status = OK
Participating Physical Drive(s):
Ch ID
1 4
1 5
2 2
Participating Spare Drive(s):
None
My actual aim is to attach these 3 new disks into the EXISTING RAID group, using the same spare, this allowing me to create logical drives spanning ALL the disks. Hope I've made it clear, apologies if it's not.
Best Regards
Tariq
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тАО12-15-2011 10:33 AM
тАО12-15-2011 10:33 AM
Re: saconfig - added 3 new disks; how to assign them?
Look for the -E option in the saconfig command. Assuming the controller supports it you can expand an existing array by adding the disks to that array. You specify the physical disk so you need to remove that LUN you just created to free up those disks.
saconfig /dev/cissX -E <lunid> -p physicaldisk -p physicaldisk ...
(reference page 52 of the document linked above for more info)
-Bob
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тАО12-15-2011 10:45 AM
тАО12-15-2011 10:45 AM
Re: saconfig - added 3 new disks; how to assign them?
Thanks Bob.
OK, I can free up those disks no problem. If I do as you suggest, do I specify all my 10 or 11 disks in the command, ie -p 1:1 -p 1:2 -p 1:3 -p 1:4 etc until I use all the drives in the RAID?
Basically, I need to create 3 NEW LV's of 200GB, 150GB & 30GB. Before I put these disks in, we had no capacity. (I'm not extending any existing LV's)
Will my commands therefore be:
saconfig /dev/ciss0 -E 9 -c 200 -R 5 -s 16 -p 1:0 -p 1:1 -p 1:2 -p 1:3 -p 1:4 -p 1:5 -p 2:2 -p 2:3 -p 2:4 -p 2:5
saconfig /dev/ciss0 -E 10 -c 150 -R 5 -s 16 -p 1:0 -p 1:1 -p 1:2 -p 1:3 -p 1:4 -p 1:5 -p 2:2 -p 2:3 -p 2:4 -p 2:5
saconfig /dev/ciss0 -E 11 -c 30 -R 5 -s 16 -p 1:0 -p 1:1 -p 1:2 -p 1:3 -p 1:4 -p 1:5 -p 2:2 -p 2:3 -p 2:4 -p 2:5
Am I making sense?
Regards
Tariq
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тАО12-15-2011 11:01 AM
тАО12-15-2011 11:01 AM
Re: saconfig - added 3 new disks; how to assign them?
Bearing in mind there is data on the current disks before adding the new 3.
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тАО12-15-2011 11:12 AM
тАО12-15-2011 11:12 AM
Re: saconfig - added 3 new disks; how to assign them?
OK, so guess I am not so sure then....
You want to create three new LUN's, but you want the new LUN's to span all of the disks?
If you have no spare capacity on the existing disks, you wont be able to do this. The new LUN's will only be able to span the new disks.
Therefore, forget the -E option and just build new LUN's specifying the space you need for each and specifying the new disks.
Am I making sense now? :-)
-Bob
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тАО12-16-2011 05:23 AM
тАО12-16-2011 05:23 AM
Re: saconfig - added 3 new disks; how to assign them?
Hope this helps!
Regards
Torsten.
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тАО12-16-2011 09:44 AM
тАО12-16-2011 09:44 AM
Re: saconfig - added 3 new disks; how to assign them?
Thanks Torsten. I wasnt sure where that was going.
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