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тАО12-07-2009 01:04 AM
тАО12-07-2009 01:04 AM
FC Speed
I am having 3 HP rp4440 servers among them 2 server is having 2GB FC card So can i change the 3 server FC Speed from 4gb to 2 GB ?
If yes how ?
I want to do this because my SAN switch support only 2 GB.
FC Model :HP AB378-60101 4Gb Single Port PCI/PCI-X Fibre Channel Adapte
OS : HPUX B 11.11
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тАО12-07-2009 01:16 AM
тАО12-07-2009 01:16 AM
Re: FC Speed
You should see if the speed is hardcoded into the configuration file
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тАО12-07-2009 01:19 AM
тАО12-07-2009 01:19 AM
Re: FC Speed
No problem "Fc card" will detect them automatically hence all FC cards in HP-UX boxes *always* auto-negotiate
Check below thread for more information.
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1351059
Thanks,
Johnson
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тАО12-07-2009 01:22 AM
тАО12-07-2009 01:22 AM
Re: FC Speed
Last contribution date: December 07, 2009
I have assigned points to 34 of 254 responses to my questions.
Please assign points for your people who help to try to resolve your problem, for their suggestion and knowledge sharing,
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тАО12-07-2009 02:49 AM
тАО12-07-2009 02:49 AM
Re: FC Speed
the operating speed can be seen from the fcmsutil O/P
ioscan -kfnCfc
get the device file like /dev/fcd0 or /dev/td1
fcmsutil /dev/fcd9
root # fcmsutil /dev/fcd9
Vendor ID is = 0x001077
Device ID is = 0x002312
PCI Sub-system Vendor ID is = 0x00103c
PCI Sub-system ID is = 0x0012ba
PCI Mode = PCI-X 133 MHz
ISP Code version = 3.3.18
ISP Chip version = 3
Topology = PTTOPT_FABRIC
Link Speed = 2Gb -- THIS SHOWS THE OPERATING LINK SPEED.
Local N_Port_id is = 0x2b0600
Previous N_Port_id is = None
N_Port Node World Wide Name = 0x50060b0000329b5b
N_Port Port World Wide Name = 0x50060b0000329b5a
Switch Port World Wide Name = 0x200600051e534d12
Switch Node World Wide Name = 0x100000051e534d12
Driver state = ONLINE
Hardware Path is = 1/0/10/1/1
Maximum Frame Size = 2048
Driver-Firmware Dump Available = NO
Driver-Firmware Dump Timestamp = N/A
Driver Version = @(#) libfcd.a HP Fibre Channel ISP 23xx & 24xx Driver B.11.23.04 /ux/core/isu/FCD/kern/src/common/wsio/fcd_init.c:Oct 18 2005,08:21:11
regards
sujit
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тАО12-08-2009 06:32 AM
тАО12-08-2009 06:32 AM
Re: FC Speed
Hmm. You don't need to do on the OS side anything. Go and tell the SAN Team to set the FC Switch port to 2GBps. All the FC HBAs on HP-UX are set to autonegotiation, we can't set it to an explicit speed.
Unix operates with beer.
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тАО12-08-2009 06:37 AM
тАО12-08-2009 06:37 AM
Re: FC Speed
# for i in /dev/fcd*
do
echo $i"\c"
fcmsutil $i | grep "Link Speed"
done
/dev/fcd0 Link Speed = 2Gb
/dev/fcd1 Link Speed = 2Gb
#
Unix operates with beer.