RE: Huge Partition
From: Rick Mohr (rfmohr_at_osc.edu)
Date: 04/21/04
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Date: Wed, 21 Apr 2004 10:00:20 -0400 (EDT) To: For users of Fedora Core releases <fedora-list@redhat.com>
OK, I haven't dealt with this on Fedora, but I did run across a similar
problem when I installed RHAS3. I had a 3Ware card with about 1.5TB of
disk space, most of which I wanted on a single partition. The anaconda
installer couldn't handle it, but I believe I read something about how
there used to be a limit hardcoded into it that caused the problem.
(Don't know if this was fixed or not.)
I also tried creating the partition after installation, and that also
failed. Actually, I used parted and it appeared to work. But when I
formatted it as ext3 it would always hang part way through. There were
also a bunch of I/O error messages in the syslogs.
I ended up finding a reference to the problem on 3Ware's web site
(although I can't seem to track down the URL now). It mentioned that
there was a problem with using 'int' instead of 'unsigned long' in the
sd.c file in the scsi driver. The suggested fix was this:
static int sd_init_command(Scsi_Cmnd * SCpnt)
{
/* int dev, block, this_count; */
int dev, this_count;
unsigned long block;
I am not sure if that is the proper solution, but it did eliminate the I/O
errors from my logs. However, I have not come close to filling the
partition up, so I cannot verify that all the space is actually usable.
Oh, and my /proc/partitions file still shows a negative number of blocks
for this partition even after I made the change.
Hope that helps.
--Rick
On Wed, 21 Apr 2004, Bill Gradwohl wrote:
> The testing I started yesterday afternoon completed, and I'm sorry to say
> the result is a failure.
>
> Although parted created a 2TB partition as verified by fdisk, only 1TB is
> useable. I wrote 1001 files of just slightly under 1G each when the script
> failed for out of disk space. The script simply used the cp command to copy
> a single master file to FILE.XXXX where XXXX is an increasing number.
>
> I tried googling for disk space limits, but got too many bogus hits to be of
> value.
>
> Does anyone know what the "official" disk space limits are?
> Does anyone know what I need to do to get a single partition of greater than
> 1TB?
> I have a test platform with 2TB of physical disk if someone can point me in
> the right direction to recompile whatever.
>
> Martin:
>
> If you have a 2TB partition, have you tested it for availability beyond 1TB?
>
> --
> Bill Gradwohl
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- Previous message: MW Mike Weiner (5028): "Py-2.3.3 on FC/1 [WAS] FC1 on Intel 440GX [SOLVED]"
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