Re: [suse-sles-e] Filesystem limitations on SLES 10

From: Rafa Grimán (rafagriman_at_gmail.com)
Date: Tue Mar 13 2007 - 11:52:19 CET


From: Rafa Grimán <rafagriman@gmail.com>
Date: Tue, 13 Mar 2007 11:52:19 +0100
Message-Id: <200703131152.19958.rafagriman@gmail.com>
Subject: Re: [suse-sles-e] Filesystem limitations on SLES 10

Hi :)

El Tuesday 13 March 2007, Gordon Ross escribió:
> >>> On 13 March 2007 at 10:25, in message
>
> <200703131125.42009.rafagriman@gmail.com>, Rafa Grimán
> <rafagriman@gmail.com>
>
> wrote:
> > Hi :)
> >
> > El Tuesday 13 March 2007, Gordon Ross escribió:
> >> I've got a 64-bit, SLES 10 server.
> >>
> >> Attached to it, is an external RAID array, with a 4.7TB volume
> >> presented to the O/S. We've been having "fun" trying to create
> >> partitions/filesystems on this thing.
> >
> > [...]
> >
> >> According to http://www.novell.com/linux/kernel_limits.html we should
> >> have had no problems at all.
> >>
> >> Can anyone explain what's going on ? I'm guessing that the kernel can
> >> support very large filesystems, it's just the userspace stuff that
> >> can't... However, a 4.7 TB filesystem surely isn't that uncommon
> >> nowadays ?
> >
> > What storage system do you have attached? Does it support LUNs > 2 TB?
> >
> > This could be the issue. If it doesn't support >2TB LUNs then you'll have
> > to create 3 LUNs (1.5 + 1.5 + 1.7 or 2 + 2 + 0.7 or whatever combination)
> > and then use some volume manager (LVM, for example) to bind them together
> > and get
> > your 4+ TB filesystem.
>
> It's a simple SATA RAID array presented as SCSI (nothing clever) It does
> support 4TB volumes. As you can see:

Did the HW vendor (or the technical docs) say it DOES support >2TB LUNs? What
storage system is it? Is it SW RAID or HW RAID?

   Rafa

-- 
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