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Re: Question about mounted Hardware

 
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Daniel Schneider_3
Frequent Advisor

Question about mounted Hardware

Hello all,

I have a discussion with a Sysadmin, about what Disks are insertet in a Server.
It is a HP N4000 (RP7400) with 4 Processors and a lot of Disks. So attached you can see the output of ioscan -fn.
Can anyone tell me please, how many 36Gb disks and how many 73Gb disks are mounted to that server?

Thanks for any Help
Daniel
5 REPLIES 5
Daniel Schneider_3
Frequent Advisor

Re: Question about mounted Hardware

The attachement wasn't uploaded, so here I submit it in the Text:

Class I H/W Path Driver S/W State H/W Type Description
============================================================================
root 0 root CLAIMED BUS_NEXUS
ioa 0 0 sba CLAIMED BUS_NEXUS System Bus Adapter (803)
ba 0 0/0 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
lan 0 0/0/0/0 btlan CLAIMED INTERFACE HP PCI 10/100Base-TX Core
/dev/diag/lan0 /dev/ether0 /dev/lan0
ext_bus 0 0/0/1/0 c720 CLAIMED INTERFACE SCSI C895 Fast Wide Single-Ended
target 0 0/0/1/0.1 tgt CLAIMED DEVICE
disk 0 0/0/1/0.1.0 sdisk CLAIMED DEVICE HP DVD-ROM 304
/dev/dsk/c0t1d0 /dev/rdsk/c0t1d0
target 1 0/0/1/0.7 tgt CLAIMED DEVICE
ctl 0 0/0/1/0.7.0 sctl CLAIMED DEVICE Initiator
/dev/rscsi/c0t7d0
ext_bus 1 0/0/2/0 c720 CLAIMED INTERFACE SCSI C87x Ultra Wide Single-Ended
target 2 0/0/2/0.6 tgt CLAIMED DEVICE
disk 1 0/0/2/0.6.0 sdisk CLAIMED DEVICE SEAGATE ST39103LC
/dev/dsk/c1t6d0 /dev/rdsk/c1t6d0
target 3 0/0/2/0.7 tgt CLAIMED DEVICE
ctl 1 0/0/2/0.7.0 sctl CLAIMED DEVICE Initiator
/dev/rscsi/c1t7d0
ext_bus 2 0/0/2/1 c720 CLAIMED INTERFACE SCSI C87x Ultra Wide Single-Ended
target 4 0/0/2/1.6 tgt CLAIMED DEVICE
disk 2 0/0/2/1.6.0 sdisk CLAIMED DEVICE SEAGATE ST39204LC
/dev/dsk/c2t6d0 /dev/rdsk/c2t6d0
target 5 0/0/2/1.7 tgt CLAIMED DEVICE
ctl 2 0/0/2/1.7.0 sctl CLAIMED DEVICE Initiator
/dev/rscsi/c2t7d0
tty 0 0/0/4/0 asio0 CLAIMED INTERFACE PCI Serial (103c1048)
/dev/GSPdiag1 /dev/mux0 /dev/tty0p1
/dev/diag/mux0 /dev/tty0p0 /dev/tty0p2
tty 1 0/0/5/0 asio0 CLAIMED INTERFACE PCI Serial (103c1048)
/dev/GSPdiag2 /dev/mux1
/dev/diag/mux1 /dev/tty1p1
ba 1 0/1 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ba 2 0/2 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ba 3 0/4 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ba 4 0/5 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ba 5 0/8 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ext_bus 3 0/8/0/0 c720 CLAIMED INTERFACE SCSI C87x Fast Wide Differential
target 6 0/8/0/0.3 tgt CLAIMED DEVICE
tape 0 0/8/0/0.3.0 stape CLAIMED DEVICE QUANTUM DLT8000
/dev/rmt/0m /dev/rmt/c3t3d0BEST
/dev/rmt/0mb /dev/rmt/c3t3d0BESTb
/dev/rmt/0mn /dev/rmt/c3t3d0BESTn
/dev/rmt/0mnb /dev/rmt/c3t3d0BESTnb
target 7 0/8/0/0.7 tgt CLAIMED DEVICE
ctl 3 0/8/0/0.7.0 sctl CLAIMED DEVICE Initiator
/dev/rscsi/c3t7d0
ba 6 0/10 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ba 7 0/12 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
fc 0 0/12/0/0 td CLAIMED INTERFACE HP Tachyon TL/TS Fibre Channel Mass Storage Adapter
/dev/td0
fcp 0 0/12/0/0.8 fcp CLAIMED INTERFACE FCP Protocol Adapter
ext_bus 4 0/12/0/0.8.0.255.0 fcpdev CLAIMED INTERFACE FCP Device Interface
target 8 0/12/0/0.8.0.255.0.0 tgt CLAIMED DEVICE
disk 3 0/12/0/0.8.0.255.0.0.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c4t0d0 /dev/rdsk/c4t0d0
target 9 0/12/0/0.8.0.255.0.1 tgt CLAIMED DEVICE
disk 4 0/12/0/0.8.0.255.0.1.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c4t1d0 /dev/rdsk/c4t1d0
target 10 0/12/0/0.8.0.255.0.2 tgt CLAIMED DEVICE
disk 5 0/12/0/0.8.0.255.0.2.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c4t2d0 /dev/rdsk/c4t2d0
target 11 0/12/0/0.8.0.255.0.3 tgt CLAIMED DEVICE
disk 6 0/12/0/0.8.0.255.0.3.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c4t3d0 /dev/rdsk/c4t3d0
target 12 0/12/0/0.8.0.255.0.4 tgt CLAIMED DEVICE
disk 7 0/12/0/0.8.0.255.0.4.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c4t4d0 /dev/rdsk/c4t4d0
target 13 0/12/0/0.8.0.255.0.5 tgt CLAIMED DEVICE
disk 8 0/12/0/0.8.0.255.0.5.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c4t5d0 /dev/rdsk/c4t5d0
target 14 0/12/0/0.8.0.255.0.6 tgt CLAIMED DEVICE
disk 15 0/12/0/0.8.0.255.0.6.0 sdisk CLAIMED DEVICE HP 73.4GST373405FC
/dev/dsk/c4t6d0 /dev/rdsk/c4t6d0
target 15 0/12/0/0.8.0.255.0.7 tgt CLAIMED DEVICE
disk 16 0/12/0/0.8.0.255.0.7.0 sdisk CLAIMED DEVICE HP 73.4GST373405FC
/dev/dsk/c4t7d0 /dev/rdsk/c4t7d0
target 16 0/12/0/0.8.0.255.0.10 tgt CLAIMED DEVICE
ctl 4 0/12/0/0.8.0.255.0.10.0 sctl CLAIMED DEVICE HP A5236A
/dev/rscsi/c4t10d0
ioa 1 1 sba CLAIMED BUS_NEXUS System Bus Adapter (803)
ba 8 1/0 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ba 9 1/2 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ba 10 1/4 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ext_bus 5 1/4/0/0 c720 CLAIMED INTERFACE SCSI C87x Fast Wide Differential
target 17 1/4/0/0.3 tgt CLAIMED DEVICE
tape 1 1/4/0/0.3.0 stape CLAIMED DEVICE QUANTUM DLT8000
/dev/rmt/1m /dev/rmt/c5t3d0BEST
/dev/rmt/1mb /dev/rmt/c5t3d0BESTb
/dev/rmt/1mn /dev/rmt/c5t3d0BESTn
/dev/rmt/1mnb /dev/rmt/c5t3d0BESTnb
target 18 1/4/0/0.7 tgt CLAIMED DEVICE
ctl 5 1/4/0/0.7.0 sctl CLAIMED DEVICE Initiator
/dev/rscsi/c5t7d0
ba 11 1/8 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
ba 12 1/10 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
lan 1 1/10/0/0 btlan CLAIMED INTERFACE HP A5230A/B5509BA PCI 10/100Base-TX Addon
/dev/diag/lan1 /dev/ether1 /dev/lan1
ba 13 1/12 lba CLAIMED BUS_NEXUS Local PCI Bus Adapter (782)
fc 1 1/12/0/0 td CLAIMED INTERFACE HP Tachyon TL/TS Fibre Channel Mass Storage Adapter
/dev/td1
fcp 1 1/12/0/0.8 fcp CLAIMED INTERFACE FCP Protocol Adapter
ext_bus 6 1/12/0/0.8.0.255.0 fcpdev CLAIMED INTERFACE FCP Device Interface
target 19 1/12/0/0.8.0.255.0.0 tgt CLAIMED DEVICE
disk 9 1/12/0/0.8.0.255.0.0.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c6t0d0 /dev/rdsk/c6t0d0
target 20 1/12/0/0.8.0.255.0.1 tgt CLAIMED DEVICE
disk 10 1/12/0/0.8.0.255.0.1.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c6t1d0 /dev/rdsk/c6t1d0
target 21 1/12/0/0.8.0.255.0.2 tgt CLAIMED DEVICE
disk 11 1/12/0/0.8.0.255.0.2.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c6t2d0 /dev/rdsk/c6t2d0
target 22 1/12/0/0.8.0.255.0.3 tgt CLAIMED DEVICE
disk 12 1/12/0/0.8.0.255.0.3.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c6t3d0 /dev/rdsk/c6t3d0
target 23 1/12/0/0.8.0.255.0.4 tgt CLAIMED DEVICE
disk 13 1/12/0/0.8.0.255.0.4.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c6t4d0 /dev/rdsk/c6t4d0
target 24 1/12/0/0.8.0.255.0.5 tgt CLAIMED DEVICE
disk 14 1/12/0/0.8.0.255.0.5.0 sdisk CLAIMED DEVICE SEAGATE ST336704FC
/dev/dsk/c6t5d0 /dev/rdsk/c6t5d0
target 25 1/12/0/0.8.0.255.0.6 tgt CLAIMED DEVICE
disk 17 1/12/0/0.8.0.255.0.6.0 sdisk CLAIMED DEVICE HP 73.4GST373405FC
/dev/dsk/c6t6d0 /dev/rdsk/c6t6d0
target 26 1/12/0/0.8.0.255.0.7 tgt CLAIMED DEVICE
disk 18 1/12/0/0.8.0.255.0.7.0 sdisk CLAIMED DEVICE HP 73.4GST373405FC
/dev/dsk/c6t7d0 /dev/rdsk/c6t7d0
target 27 1/12/0/0.8.0.255.0.10 tgt CLAIMED DEVICE
ctl 6 1/12/0/0.8.0.255.0.10.0 sctl CLAIMED DEVICE HP A5236A
/dev/rscsi/c6t10d0
pbc 0 36 pbc CLAIMED BUS_NEXUS Bus Converter
processor 0 37 processor CLAIMED PROCESSOR Processor
pbc 1 44 pbc CLAIMED BUS_NEXUS Bus Converter
processor 1 45 processor CLAIMED PROCESSOR Processor
pbc 2 100 pbc CLAIMED BUS_NEXUS Bus Converter
processor 2 101 processor CLAIMED PROCESSOR Processor
pbc 3 108 pbc CLAIMED BUS_NEXUS Bus Converter
processor 3 109 processor CLAIMED PROCESSOR Processor
memory 0 192 memory CLAIMED MEMORY Memory
Bharat Katkar
Honored Contributor

Re: Question about mounted Hardware

Hi Daniel,

You have 12 36GB and 4 73GB disks.

Regards,
You need to know a lot to actually know how little you know
Victor BERRIDGE
Honored Contributor
Solution

Re: Question about mounted Hardware

Hi Daniel,
You seem to have 6 disks of 36GB and 2 of 73:
The 12 36GB are in fact 2* 6 disks but seen twice by 2 different FC controllers, the same applies to you 73GB.
so disk c4t0d0 and c6t0d0 are the same disks but accessed by 2 separate paths (alternate) for redonduncy / load balancing... (There are times when you have to upgrade some microcode on the SAN...) that when your are happy to have alternate paths...


All the best
Victor
bhavin asokan
Honored Contributor

Re: Question about mounted Hardware

hi,

as per ioscan output you are having 6*36 gb disks 2*73gb disks which is accessed through
two fc cards /dev/td0 fcp 0 0/12/0/0.8 fcp and
/dev/td1 fcp 1 1/12/0/0.8 fcp.


regds,
Daniel Schneider_3
Frequent Advisor

Re: Question about mounted Hardware

thank you very much, for your good and fast answers!

Best Regards
Daniel