Migration from OLD server to NEW one

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Operating Systems AIX Migration from OLD server to NEW one
# 1  
Old 11-06-2006
Lightbulb Migration from OLD server to NEW one

Hi everybody,

I want ask if it is possible to copy all storage structure (VGs, LVs & filesystems) from one server to another. In other words, I want to move my system from old server to new one, so I want the new server exactly have the same sizes and number of VGs, LVs, & filesystems.

Thanks in advance.
# 2  
Old 11-07-2006
From what to what? Model numbers would help.
# 3  
Old 11-07-2006
AIX level might help too.

mksysb -m can do this, you will also need to do the non-rootvg volume groups with savevg -m



as johnf says though, the new machine must support the AIX level of the old machine, or vice versa if you need to upgrade the old machine AIX level to a later level, that the new machine supports, before the migration.

Last edited by dukessd; 11-07-2006 at 09:55 PM.. Reason: added last paragraph
# 4  
Old 11-08-2006

If the operating system is built up on the new system,
The things you have to do are

on the old system;
1-Unmount the filesystems
1-Varoff the vg s
2-Export the vg s
3-Remove the vpath and/or hdisk definitons from old system

on the new system;
1-Give the disks to the new system from disk management
2-Change the zoning on the SAN switch
3-If needed install SDD or MPIO and host attachment scripts
4-Get the pvids with chdev
5-Import the vg s on one of the disks
6-Mount the filesystems

The structure is the same as the old one. All things including data. No risk of data corruption. If you give details about the systems I can help more. I can give the commands if you give the structure.
# 5  
Old 11-08-2006
only if the non-root vg's are on san storage, if they are on internal disks....see my last post.
# 6  
Old 11-09-2006
I think more details should be given by aldowsary. aldowsary talks about storage and I didnt think storage would be on internal disks. By the way we have to wait the answer.
# 7  
Old 11-09-2006
Quite correct we have to wait for an answer. He might want to move from an old 43P to a P510 for all we know. Also storage is storage whether external or internal so he needs to clarify both points! As I said in my first post from what to what?
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