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тАО02-12-2008 08:13 PM
тАО02-12-2008 08:13 PM
In HP-UX B.11.31 U ia64 1831292143 unlimited-user license, ia64 hp server rx8640.My VG00 disk is showing as /dev/disk/disk8_p2. attached are the vgdisplay and strings out put. can you please help me knowing why the disk name is hwoing like this. This is in Vpar.
Solved! Go to Solution.
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тАО02-12-2008 10:14 PM
тАО02-12-2008 10:14 PM
SolutionNow you need no longer use all the alternate links in the old style like
/dev/dsk/cxtydz
but only one device file like
/dev/disk/diskx
See the relation by running
ioscan -m dsf
Read more:
http://docs.hp.com/en/oshpux11iv3.html#LVM%20Volume%20Manager
Hope this helps!
Regards
Torsten.
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тАО02-12-2008 11:40 PM
тАО02-12-2008 11:40 PM
Re: vg00 has the disk named as "/dev/disk/disk8_p2"
Thanks a lot,
we have started using 11i v3 recently, thanks for your help
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тАО02-12-2008 11:48 PM
тАО02-12-2008 11:48 PM
Re: vg00 has the disk named as "/dev/disk/disk8_p2"
I have one more question.
Is this new mass storage stack only for VG00 volume groups?
In my system i can see other VG's(non VG00) just like normal with alternate paths showing.
Should i do some changes for other VG's for this new mass storage stack to take effect?
Regards
Krishna Karthik
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тАО02-13-2008 12:47 AM
тАО02-13-2008 12:47 AM
Re: vg00 has the disk named as "/dev/disk/disk8_p2"
You need to use the command
/usr/contrib/bin/vgdsf to convert the leagcy DSF's to persistent DSF for rest of the VG's
/usr/contrib/bin/vgdsf
USAGE: vgdsf {-a | -d | -c} vg_name
-a - Add persistent DSFs to the volume group
-d - Delete legacy DSFs from the volume group
-c - Convert legacy DSFs to persistent DSFs (-a and -d)
in the volume group
Thanks & Regards
Ramesh
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тАО02-13-2008 12:54 AM
тАО02-13-2008 12:54 AM
Re: vg00 has the disk named as "/dev/disk/disk8_p2"
Can this be done online for all the VG's? Will this impact my system? Since this is a prod environment we cant afford to hav downtime now.Please suggest. Thanks for your time and help
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тАО02-13-2008 02:48 AM
тАО02-13-2008 02:48 AM
Re: vg00 has the disk named as "/dev/disk/disk8_p2"
"vgdsg" is just going to update the lvmtab and VG configuration with new Persistent DSF name.
So, there should not be any issue to run "vgdsf" on production system
Again, i dont see any warnings for the same on docs.
So, you could go ahead and migrate.
Thanks & Regards
Ramesh
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тАО02-13-2008 03:57 AM
тАО02-13-2008 03:57 AM
Re: vg00 has the disk named as "/dev/disk/disk8_p2"
Please go thru this link ( Page:12 ) for migration procedure.
http://docs.hp.com/en/LVMmigration1/LVM_Migration_to_Agile.pdf
Thanks & Regards
Ramesh