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#1 (**permalink**) 01-05-2008, 11:48 AM

Hi,

On an RS/6000 Enterprise Server H50 running 5.3, I'm trying to extend
the rootvg to hdisk1. However, "extendvg rootvg hdisk1" gives the
message that "the physical volume hdisk1 appears to belong to another
volumegroup". "lsvg" only shows hdisk0 belonging to rootvg. "lspv
hdisk1" gives "Physical volume hdisk1 is not assigned to a volume
group". How can I see what's going on here (and solve it)? (I'm very new
to AIX (not to Unix) and learning..)

Thanks,

Huub

#2 (**permalink**) 01-05-2008, 11:48 AM

On Jun 6, 7:39 am, Huub <"v.niekerk at hccnet.nl"> wrote:
> Hi,
>
> On an RS/6000 Enterprise Server H50 running 5.3, I'm trying to extend
> the rootvg to hdisk1. However, "extendvg rootvg hdisk1" gives the
> message that "the physical volume hdisk1 appears to belong to another
> volumegroup". "lsvg" only shows hdisk0 belonging to rootvg. "lspv
> hdisk1" gives "Physical volume hdisk1 is not assigned to a volume
> group". How can I see what's going on here (and solve it)? (I'm very new
> to AIX (not to Unix) and learning..)
>
> Thanks,
>
> Huub

You are just be informed that hdisk1 has been used previously.
... appears ...

In case you know what you are doing just go on.

hth
Hajo

#3 (**permalink**) 01-05-2008, 11:48 AM

>
>
> You are just be informed that hdisk1 has been used previously.
> ... appears ...
>
> In case you know what you are doing just go on.

Thank you.

#4 (**permalink**) 01-05-2008, 11:48 AM

On Jun 6, 8:14 am, Huub <"v.niekerk at hccnet.nl"> wrote:
> > You are just be informed that hdisk1 has been used previously.
> > ... appears ...
>
> > In case you know what you are doing just go on.
>
> Thank you.

The PV has a VGDA on it, so at one point it was a member of a volume
group. To see what LVs are on the PV so you can make a guess at the VG
it was in, then you can use the following command:

# lqyeryvg -Atp hdisk1

or

# readvgda hdisk

or, long winded

# importvg -y testvg hdisk1
# lsvg -l testvg
# varyoffvg testvg
# exportvg testvg

Then if you are happy that its ok to blow it away, then

mkvg -f -y vgname hdisk1

HTH
Mark Taylor

#5 (**permalink**) 01-05-2008, 11:48 AM

On Jun 6, 12:39 am, Huub <"v.niekerk at hccnet.nl"> wrote:
> Hi,
>
> On an RS/6000 Enterprise Server H50 running 5.3, I'm trying to extend
> the rootvg to hdisk1. However, "extendvg rootvg hdisk1" gives the
> message that "the physical volume hdisk1 appears to belong to another
> volumegroup". "lsvg" only shows hdisk0 belonging to rootvg. "lspv
> hdisk1" gives "Physical volume hdisk1 is not assigned to a volume
> group". How can I see what's going on here (and solve it)? (I'm very new
> to AIX (not to Unix) and learning..)
>
> Thanks,
>
> Huub

# extendvg -f rootvg hdisk1

#6 (**permalink**) 01-05-2008, 11:49 AM

hdisk1 may have been a member of a VG in a previous life and hence already
contains a VG descriptor and PVID from that life. If your absolutely sure
that whatever is on hdisk1 is not needed, extendvg -f should "force" the
disk into the rootvg.

"Huub" <"v.niekerk at hccnet.nl"> wrote in messge
news:4666487d$0$2415$e4fe514c@dreader22.news.xs4al l.nl...
> Hi,
>
> On an RS/6000 Enterprise Server H50 running 5.3, I'm trying to extend the
> rootvg to hdisk1. However, "extendvg rootvg hdisk1" gives the message that
> "the physical volume hdisk1 appears to belong to another volumegroup".
> "lsvg" only shows hdisk0 belonging to rootvg. "lspv hdisk1" gives
> "Physical volume hdisk1 is not assigned to a volume group". How can I see
> what's going on here (and solve it)? (I'm very new to AIX (not to Unix)
> and learning..)
>
> Thanks,
>
> Huub

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extendvg / volume group question