From: Gordon Ross (G.Ross_at_ccw.gov.uk)
Date: Tue Nov 06 2007 - 09:13:30 CET
Message-Id: <4730222A.AC0B.0006.3@ccw.gov.uk> Date: Tue, 06 Nov 2007 08:13:30 +0000 From: "Gordon Ross" <G.Ross@ccw.gov.uk> Subject: [suse-sles-e] Re: What is up with >2TB luns?
>>> On 31 October 2007 at 19:14, in message
<4728D427.4020601@ll.mit.edu>, Joe
Georger <jgeorger@ll.mit.edu> wrote:
> I'll give some info on my own question.... You can go into Yast and
> work with the raw devices in lvm. Or you can put a filesystem on a
raw
> device. I was just using a spare 80 GB hard drive as I had
reconfigured
> the raid mentioned below into 5 x 2 TB partitions and used lvm to
paste
> them back together..... Unless someone gives me a good reason not
to, I
> might try reconfiguring it again to be one giant volume.
>
> Since the 80 GB drive had previously been partitioned, mkfs.xfs
warned
> me about that and suggested I use -f to force it. So I did, mounted
it
> up and was able to work with it.
>
> Both approaches do not use the partition table at all. I don't
think
> this would be a problem for storage other than the system disk. Any
> comments?
>
> Joe
>
> -------- Original Message --------
> Subject: What is up with >2TB luns?
> Date: Tue, 30 Oct 2007 08:54:22 -0400
> From: Joe Georger <jgeorger@ll.mit.edu>
> To: suse-sles-e@suse.com
>
>
>
> SLES10 SP1 x86_64 - I have a 10 TB raid unit, formatted as a single
> volume. When I try to create a filesystem on it, Yast is giving me
an
> error message that the msdos disk label can only support 256K
cylinders
> (I need ~1.3M) which ends up being 2 TB. Are we not beyond this
> already? Single disks will probably grow beyond 2TB in the next 2
> years.... Is there any way around this?
(Warning, rant alert)
The problem is that YaST (for a server based admin tool) has a major
deficiency: It can't handle discs bigger than 2TB. This is because YaST
will only use MSDOS partition table formats, which can only handle 2TBs.
Quite how Novell/SuSE can release a sever admin program that a) Is so
brain damaged, and b) Can't even tell you that it has this brain damaged
limit, I'll never know. Grrrr.....
Instead, you have to manually partition the drive/LUN to have a GPT
partition table. Once you've done this, YaST can then be used to create
file systems, LVMs, etc on it.
GTG
-- — Gordon Ross, Network Manager/Rheolwr Rhydwaith Countryside Council for Wales/Cyngor Cefn Gwlad Cymru --------------------------------------------------------------------- To unsubscribe, e-mail: suse-sles-e-unsubscribe@suse.com For additional commands, e-mail: suse-sles-e-help@suse.com
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