Date: Mon, 7 May 2001 08:02:14 +0200 From: Thorsten Kukuk <kukuk@suse.de> Message-ID: <20010507080214.A17317@suse.de> Subject: Re: [suse-sparc] SCSI disk limit of 16
On Sun, May 06, Craig Barnes wrote:
> Hi, just to clarify, I have 6 SCSI controllers and 29 disks across them.
>
> I know all about SCSI, it's the linux side I was confused about. I have
> installed SCSI tools now and that has fixed 99% of my problems. I can't seem
> to run pvcreate on the 29th disk, so I can run fdisk on it and mkfs it, but
> pvcreate bitches about the device not existing. In /dev/scsi I have the
> device and it's a shambolic link to /dev/sdad, but it don't work in LVM.
Ah, now we come to the real problem: LVM on UltraSPARC does not work. It
is really bad. The wrappers for 32bit userland <-> 64bit kernel space
seems the be buggy, and if you get this working, LVM crashes if you access
the lvm volume.
Thorsten
>
> Craig
>
> ----- Original Message -----
> From: "Peter Ebbelink" <Peter.J.Ebbelink@Bigfoot.com>
> To: "Craig Barnes" <craig.barnes@btinternet.com>; <suse-sparc@suse.com>
> Sent: Sunday, May 06, 2001 9:58 PM
> Subject: Re: [suse-sparc] SCSI disk limit of 16
>
>
> > My $0.02:
> >
> > You're limited to !! 15 !! disks only on a _WIDE_SCSI_ controller. ( 7 on
> a
> > SCSI 1 / 2 controller )
> > Target 7 (typically) is used by the SCSI controller.
> > But your welcome to add more controllers: Each controller will be able to
> > control 15 ( 7 ) disks.
> > You should reconfigure to add the new controllers/disks.
> >
> > regards,
> >
> > -- Peter.
> >
> > ----- Original Message -----
> > From: "Craig Barnes" <craig.barnes@btinternet.com>
> > To: <suse-sparc@suse.com>
> > Sent: Sunday, May 06, 2001 8:40 PM
> > Subject: [suse-sparc] SCSI disk limit of 16
> >
> >
> > > Anyone know if you can get around the limit of 16 SCSI disks.
> > >
> > > Do I simply create more devices in /dev or is there a configuration that
> I
> > > need to change to add more disks.
> > >
> > > Any help appreciated.
> > >
> > > Craig
> > >
> > >
> > >
> > >
> >
> >
>
-- Thorsten Kukuk http://www.suse.de/~kukuk/ kukuk@suse.de SuSE GmbH Deutschherrnstr. 15-19 90429 Nuernberg -------------------------------------------------------------------- Key fingerprint = A368 676B 5E1B 3E46 CFCE 2D97 F8FD 4E23 56C6 FB4B
This archive was generated by hypermail 2.1.0 : Wed Jun 06 2001 - 11:09:11 PDT