Unknown VGs


 
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Operating Systems AIX Unknown VGs
# 1  
Old 05-24-2010
Unknown VGs

Hi Guys,

I found on one of the server there are 2 VG's which I dont have any Idea of who created .. as below

bash-3.00$ lsvg
old_rootvg
rootvg
datavg
altinst_rootvg


altinst_rootvg under is meant for alternate disk installation.. But I'm not sure for which version of OS it was created. Similar way the old_rootvg not sure what version of AIX is on both of this VG's

Is there a way I can figure out the version of AIX on both of this VG's without downtime for the server.

Please throw some light on this.
# 2  
Old 05-25-2010
No Way

There is no way to do that..
You better go for multibos than alt_disk_install as in that case u dont need to go for a down time.. u can just install the OS withb the space allocated on your machine in ROOTVG.Smilie

scripting (SoundShanmug's)
# 3  
Old 05-25-2010
Quote:
Originally Posted by kkeng808
altinst_rootvg under is meant for alternate disk installation.. But I'm not sure for which version of OS it was created.

[...]

Is there a way I can figure out the version of AIX on both of this VG's without downtime for the server.
Without downtime it will come down to some detective-work: read out the contents of the respective ODMs with the "odmget" command (stored in "<mountpoint>/etc/objrepos" and "<mountpoint>/usr/lib/objrepos") to find out about the information stored there. Start with "<mountpoint>/etc/objrepos/lpp" and "<mountpoint>/etc/objrepos/history".

Further, you can use the "what" command to find out about the version information of the system binaries in the alternative rootvgs.

I hope this helps.

bakunin
# 4  
Old 05-25-2010
@Soundappan

I'm not going to install anything on the server, Just wanted to know a wa to identify the 2 VG's OS version before removing them

@Bakunin

Can you confirm which mountpoint you are referring to as I'm not able to do operations with the 2 VG's ( Since its inactive) Not sure how to identify the mountpoints.


Btw . I have identified one more way to find the Version on AIX in the altinst_rootvg by the help of the contents of the below 2 files

/var/adm/ras/alt_disk_inst.log
/var/adm/ras/altinst_rootvg.log

its 5.3 Smilie
# 5  
Old 05-26-2010
Quote:
Originally Posted by kkeng808
Can you confirm which mountpoint you are referring to as I'm not able to do operations with the 2 VG's ( Since its inactive) Not sure how to identify the mountpoints.
You can find out the original mount points issuing "lslv -L <LVname>" or "lsfs -a". Since the mount points might collide with your running system you will have to change them manually, for instance "/usr" -> "/some/mountpoint/usr", etc., before actually mounting anything.

Do so by editing the file "/etc/filesystems", which is in simple stanza format.

I hope this helps.

bakunin
# 6  
Old 05-26-2010
you can actively mount one after another of these alt_disk images just using alt_disks_install -W hdisk* - they will be mounted under slightly different names like /alt_var or /old_var but you have afterwards access like for any other filesystem ...
Additionally /dev should be capable to tell you when the /alt_* had been created as this was most likely happening under your currently loaded OS version - it won't show you anything for the old_ since this images was a previous image you did not boot from - most likely for backout purposes ...

Kind regards
zxmaus
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