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тАО11-29-2010 10:53 AM
тАО11-29-2010 10:53 AM
I have an HP 9000/800/L1000-36 with an
HP 36.4GB ST336754LC seagate drive.
I want to mirror it, but am unsure as to whether
it is a U160 or U320 SCSCI interface.
Is there a way to determine it from the server?
Hardware path: 0/0/1/1.0.0
Product Id: ST336754LC Vendor: HP 36.4G
Device Type: SCSI Disk Firmware Rev: HPC3
Device Qualifier: HP36.4GST336754LC Logical Unit: 0
Serial Number: 3KQ0WGH800007541D2SX
Capacity (M Byte): 34732.89
Block Size: 512
Max Block Address: 71132959
Error Logs
Total Retries: 0 Buffer Overruns: N/A
Read Reverse Errors: N/A Buffer Underruns: N/A
Write Errors: 0 Non-Medium Errors: 5
Verify Errors: 0
Solved! Go to Solution.
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тАО11-29-2010 02:19 PM
тАО11-29-2010 02:19 PM
Re: How to determine disk SCSI speed U160 or U320?
http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c01404143/c01404143.pdf
Comparing the hardware path to the picture on page 43 tells me it's one of the internal disks, so it uses one of the integrated SCSI controllers. The hardware paths indicate there are 2 controllers, with 2 disks each.
(Unfortunately, the User Guide seems a bit thin on SCSI bus specifications, so I'll have to refer to another useful document here...)
http://www.openpa.net/systems/hp_l1000_l2000-rp5400_rp5450.html
OpenPA.net's handy fact-sheet indicates the integrated SCSI controllers are neither U320 nor U160, but SCSI-3 Ultra2-Wide LVD, the precedessor of U160.
MK
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тАО11-29-2010 10:42 PM
тАО11-29-2010 10:42 PM
SolutionThe internal disk are Ultra SCSI (40 MB/s).
Try this with your disk device file:
# scsictl -c get_target_parm /dev/rdsk/c2t0d0
Hope this helps!
Regards
Torsten.
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those who understand binary, and those who don't.
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тАО11-30-2010 06:35 AM
тАО11-30-2010 06:35 AM
Re: How to determine disk SCSI speed U160 or U320?
# scsictl -c get_target_parm /dev/rdsk/c1t0d0
TARGET LIMITS
-------------
flags: 0x0
width: 16 bits (8 = Narrow; 16 = Wide)
req/ack offset: 31
xfer rate: 20000000
SPEED: 40 MB/s (Ultra Wide)
NEGOTIATED TARGET VALUES
------------------------
flags: 0x0
width: 16 bits (8 = Narrow; 16 = Wide)
req/ack offset: 31
xfer rate: 20000000
SPEED: 40 MB/s (Ultra Wide)
I also shutdown the machine and pulled the disk drive, and it does say U320 on it for the SCSCI interface.
The disk is working great, so I am assuming that maybe it is backward compatible with my
slower SCSI interface?
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тАО11-30-2010 06:41 AM
тАО11-30-2010 06:41 AM
Re: How to determine disk SCSI speed U160 or U320?
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
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No support by private messages. Please ask the forum!
If you feel this was helpful please click the KUDOS! thumb below!