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тАО05-06-2009 09:27 AM
тАО05-06-2009 09:27 AM
How to make the disk device files identical in HP-Ux 11.31?
Hi All,
I have installed 2 rx6600 servers with HP EVA storage for oracle ASM. After mapping new luns i can see the /dev/[r]dsk/cxtxdx disk device names are same in both the nodes. But I have to use the /dev/[r]disk/diskxx file names to get the new multipathing functionality. But each systems have different names in both the servers. Please share how to make it same on both the servers.
Can I go ahead with ioinit -rC disk ? or some other way...
Thanks
George
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тАО05-06-2009 10:00 AM
тАО05-06-2009 10:00 AM
Re: How to make the disk device files identical in HP-Ux 11.31?
Make sure all the hardware is in the same exact slots both systems.
Make sure any scsi settings are identical.
Make sure all disks are in the same positions.
Then install the OS.
That is the only way to be sure. If the OS was installed and anything was different the device names could be the same.
If you have everything normalized,then your ionit solution is ready to go. Have an Ignite make_tape_recovery backup ready on both systems or make_net_recovery
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО05-06-2009 10:27 AM
тАО05-06-2009 10:27 AM
Re: How to make the disk device files identical in HP-Ux 11.31?
The fc slots are same in both nodes and I have checked evainfo is showing exactly same in both the nodes. I have problem with only the legacy file names.
Thanks
George
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тАО05-06-2009 10:34 AM
тАО05-06-2009 10:34 AM
Re: How to make the disk device files identical in HP-Ux 11.31?
In your initial post you write that the legacy DSFs (/dev/dsk) are OK, though.. the ones in /dev/disk would be the persistent ones.
Did you check the instance numbers of the disks in ioscan output ?
Cheers,
Wout
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тАО05-06-2009 11:12 AM
тАО05-06-2009 11:12 AM
Re: How to make the disk device files identical in HP-Ux 11.31?
Hi
Its my mistake.. Legacy names are okay ...
Persistent devices showing different names in both node.
george
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тАО05-06-2009 11:31 AM
тАО05-06-2009 11:31 AM
Re: How to make the disk device files identical in HP-Ux 11.31?
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1308548
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тАО05-07-2009 03:54 AM
тАО05-07-2009 03:54 AM
Re: How to make the disk device files identical in HP-Ux 11.31?
mksf -C disk -H
- Kevin
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тАО05-09-2009 03:18 AM
тАО05-09-2009 03:18 AM
Re: How to make the disk device files identical in HP-Ux 11.31?
I have tried ioinitrc -rC disk..
I got the luns in order but wwid differs in each node. I think mksf will work for me..
I will update after my test.
George