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тАО09-30-2009 09:58 PM
тАО09-30-2009 09:58 PM
Transfer physical volume map to a different disk.
HP-UX 11.11 (11iv1)
I have a single disk root volume group sitting on disk c3t6d0. If I do a pvdisplay -v /dev/dsk/c3t6d0 it shows the physical extent layout of all my root volume group logical volumes.
What do I need backup and or output to be able to
restore the logical volume information as well as the physical extent layout onto a different disk?
Just as a crude example..
I have 2 HP-UX boxes. I want to restore the logical volume and physical extent map/layout from a disk on this first box to a disk on the second box.
What are the steps necesssary to do this. A vgexport -m vgmap vgvolgrp and vgimport -m vgmap vgvolgrp will not do it will it? i think not..
With Linux LVM I can do this pretty easily with pvcreate and the --restorefile option.
But that is lvm2 and I am not sure it is possible in 10.20 or 11iv1.
Thank you
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тАО09-30-2009 10:13 PM
тАО09-30-2009 10:13 PM
Re: Transfer physical volume map to a different disk.
http://pagesperso-orange.fr/hvelasco.admin/LVM%20HP-UX/root.htm#move%20lvol
:MOVING DATA FROM ONE LVOL TO ANOTHER:
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тАО10-01-2009 03:32 AM
тАО10-01-2009 03:32 AM
Re: Transfer physical volume map to a different disk.
Use make_sys_image to tape then use that tape to create the other server.
Sorted!
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тАО10-01-2009 05:48 AM
тАО10-01-2009 05:48 AM
Re: Transfer physical volume map to a different disk.
Thanks for responding. This procedure is nice but does not really accomplish what i am looking to do.
Basically I just want the same LVM layout, the logical volume sizes,and extent size that is on the originating physical volume and put it on another one. Justwondering if that information can be transferred from disk to disk.
Jash,
Thank you for responding as well.
I know of Ignite but this is not the question I posed. This is an LVM specific question..I want to know if its possible.
Thank you
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тАО10-01-2009 05:56 AM
тАО10-01-2009 05:56 AM
Re: Transfer physical volume map to a different disk.
Sorted!
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тАО10-01-2009 06:28 AM
тАО10-01-2009 06:28 AM
Re: Transfer physical volume map to a different disk.
I am only interested in knowing if the LVM layout, structures, and extent mapping can be moved from one disk to another using LVM commands. I am guessing maybe not.
If I wanted to have a clone of a single disk
dd would be the way. One command, swap the disks and done. Or I would create an ignite tape , swap the disk, and restore the recovery archive onto the new disk. But I am interested in the LVM part of it and if it is possible.
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тАО10-01-2009 06:33 AM
тАО10-01-2009 06:33 AM
Re: Transfer physical volume map to a different disk.
The only way I know of to do it is to take all of your VG and LV configuration information and recreate the VGs and LVs manually.
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тАО10-01-2009 06:36 AM
тАО10-01-2009 06:36 AM
Re: Transfer physical volume map to a different disk.
My next suggestion would have been dd too.
Looks like you will have to do it another way.
Kind regards,
Jash
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тАО10-01-2009 06:46 AM
тАО10-01-2009 06:46 AM
Re: Transfer physical volume map to a different disk.
These are the top LVM/VXVM names by points assigned. Pete W has already responded.
J.R.F
A.Clay
Pete Randall
SEP
Torsten
Sridhar Bhaskarla
S.K.
Robert-Jan
Thanks again
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тАО10-01-2009 11:53 PM
тАО10-01-2009 11:53 PM
Re: Transfer physical volume map to a different disk.
(And it would be another challenge in the boring everydays.)
I'm not sure what's the approach at other datacenters, but in our midst we automatize everything we can.
Unix operates with beer.