Re: AIX 4.3.3: Problem adding hdiskN's to the system
From: Mike Klein (klein_at_loyno.edu)
Date: 04/29/03
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Date: Tue, 29 Apr 2003 15:30:50 -0500
When changing equipment you should run cfgmgr to let the system discover
the new hardware.
In article <aJAra.48550$DX.2184047@twister.austin.rr.com>, "A. Fuentes"
<alvarof2@hotmail.com> wrote:
> Dan,
>
> Yes, The system boots into AIX fine, all the daemons and background services
> start normally.
>
> Yes hdisk0 with rootvg is mounted properly with all the partitions hd1-7
>
> Of course I reseated the scsi adapter and verified and re-verified the
> cable/hardware connections.
> All seem OK, and furthermore the RS/6000 bios detects the scsi adapter and
> Hard drives correctly.
> (So it is unlikely that it is a cable/connection/hardware problem).
>
> Certaily an ODM corruption is a posibility, since I have used extendvg and
> reducevg many times.
> Also some other previously connected Hard drives were taken off-line and
> stayed as "defined" then
> afterwards I reconnected different hard drives but using the same scsi id of
> the previously disconnected
> hard drives, but were distinguished as a different drive, ie instead of
> hdisk2 with scsi id 2, it was
> detected as hdisk8 with scsi id 2. Doing all these operations over a period
> of time certaily can corrupt ODM.
>
> Anyway, any other ideas about how to rescue this system without digging too
> much into ODM commands,
> will be greatly appreciated.
>
>
> A. Fuentes
> 512-297-9937
>
>
>
>
> "Dan Foster" <dsf@globalcrossing.net> wrote in message
> news:slrnbarpu7.clk.dsf@gaia.roc2.gblx.net...
> > In article <rilra.31487$ac.1673749@twister.austin.rr.com>, A. Fuentes
> <alvarof2@hotmail.com> wrote:
> > >
> > > I also thought of some sort of connectivity problem, but it is not the
> > > scsiII cable because
> > > the RS/6000 bios is seeing them correctly with their respective ids, as
> I
> > > described initially.
> > >
> > > Any ideas will be appreciated.
> >
> > System boots into AIX ok, right? If yes, then maybe weird corruption of
> > the ODM in some way.
> >
> > If the system boots into AIX ok, can you post the output of 'cfgmgr -v'
> > but only the stuff related to hdisk0?
> >
> > If the system does not boot into AIX ok, can you try moving the drives
> > to another system to rule out SCSI board damage? (It does happen once
> > in a blue moon.)
> >
> > Also, you may want to open up the system after powering down, and re-seat
> > all adapters, drives, boards, etc.
> >
> > -Dan
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