LVM and VxVM

VxFS on 10.20, then move physical disks to 11.00

 
Jay Gaffney_4
Advisor

VxFS on 10.20, then move physical disks to 11.00

I have a J class running 10.20 and a J class running 11.00.
I would like to add to 72 GB hard drives to the 10.20, copy some data over from the 11.00 system which has 36 GB drives, then move the 72 GB drive from the 10.20 to the 11.00.

I plan on creating the volumes on the disks as VXFS.
What type of problems / issues / gotchas might I expect?
5 REPLIES 5
Pete Randall
Outstanding Contributor

Re: VxFS on 10.20, then move physical disks to 11.00

It sounds reasonable to me. Create separate VGs on these disks (or put them into one separate VG). Then vgexport the disks and vgimport them onto the 11.0 system. It should work, I think!


Pete


Pete
Steven E. Protter
Exalted Contributor

Re: VxFS on 10.20, then move physical disks to 11.00

There are no gotcha's.

vgimport will handle any kind of upgrade to the filesystems themselves if there is a version mismatch in JFS(vxfs) software.

The easy way to handle it is by setting up those disks in their own volume group, which can be done easily with sam or on the command line.

Sounds like you have a very good plan.

SEP
Steven E Protter
Owner of ISN Corporation
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Kent Ostby
Honored Contributor

Re: VxFS on 10.20, then move physical disks to 11.00

Shouldnt be a problem.

You might want to check the "layout" version of the machines to make sure they match up.

On each box:

fstyp -v /dev/vgXX/rlvolXX

As long as the version returned on the 11.00 box is > the version returned on the 10.20 box, it should work fine.

Best regards,

Kent M. Ostby

"Well, actually, she is a rocket scientist" -- Steve Martin in "Roxanne"
Kent Ostby
Honored Contributor

Re: VxFS on 10.20, then move physical disks to 11.00

Shouldnt be a problem.

You might want to check the "layout" version of the machines to make sure they match up.

On each box:

fstyp -v /dev/vgXX/rlvolXX

As long as the version returned on the 11.00 box is >= the version returned on the 10.20 box, it should work fine.

Best regards,

Kent M. Ostby

"Well, actually, she is a rocket scientist" -- Steve Martin in "Roxanne"
Kent Ostby
Honored Contributor

Re: VxFS on 10.20, then move physical disks to 11.00

Just to clarify, thats ">=" not ">" on the version.

In case re-posting my message with the fix just looked like a double tapped the submit key.

Best regards,

Kent M. Ostby
"Well, actually, she is a rocket scientist" -- Steve Martin in "Roxanne"