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тАО03-22-2009 05:48 PM
тАО03-22-2009 05:48 PM
RAID0 using SAS disk controller in rx2660 server
I have a rx2660 server with a SAS disk controller. It contains four disks (see below):
# sasmgr get_info -D /dev/sasd0 -q raid
Mon Mar 23 12:32:18 2009
---------- PHYSICAL DRIVES ----------
LUN dsf SAS Address Enclosure Bay Size(MB)
/dev/rdsk/c1t0d0 0x5000c500092b0bc1 1 5 140014
/dev/rdsk/c1t1d0 0x5000c5000eb5d9c9 1 6 140014
---------- LOGICAL DRIVE 7 ----------
Raid Level : RAID 1
Volume sas address : 0xa053006191ac0d8
Device Special File : /dev/rdsk/c1t2d0
Raid State : OPTIMAL
Raid Status Flag : ENABLED
Raid Size : 139898
Rebuild Rate : 0.00 %
Rebuild Progress : 100.00 %
Participating Physical Drive(s) :
SAS Address Enc Bay Size(MB) Type State
0x5000c5000eb57975 1 8 140014 SECONDARY ONLINE
0x5000c5000eb57efd 1 7 140014 PRIMARY ONLINE
I'm trying to configure the disks in bays 5 and 6 into a *striped* (i.e. RAID0) array, but this doesn't seem possible, i.e.
# sasmgr add -D /dev/sasd0 -q raid -q level=0 -q enc_bay=1:5,1:6
ERROR: Unsupported RAID Volume level: Operation not supported
Does anyone know whether what I'm attempting is possible and, if so, the command to use?
Thanks.
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тАО03-22-2009 09:12 PM
тАО03-22-2009 09:12 PM
Re: RAID0 using SAS disk controller in rx2660 server
Hope this helps!
Regards
Torsten.
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тАО03-22-2009 09:17 PM
тАО03-22-2009 09:17 PM
Re: RAID0 using SAS disk controller in rx2660 server
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тАО03-23-2009 05:15 AM
тАО03-23-2009 05:15 AM
Re: RAID0 using SAS disk controller in rx2660 server
correct. It is impossible to configure striping with the (default) LSI SAS HBA in the rx2660.
But there is no need to order an external diskarray that cannot be connected to the same SAS controller anyway.
What you are looking for is to order the P400 Smartarray SAS controller which is an optional controller to access the internal disks of the rx2660.
With this P400 Smartarray Controller you can make RAID0 (and several other Raid types).
See also:
for "8-port SAS Smart Array P400 Controller Card" option:
http://h20341.www2.hp.com/integrity/cache/452309-0-0-0-121.html
and for the manual of the same:
http://docs.hp.com/en/J6369-90072/index.html
best regards
Stefan
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тАО04-28-2009 05:46 PM
тАО04-28-2009 05:46 PM