[7440] in linux-scsi channel archive
Re: Devices limit
daemon@ATHENA.MIT.EDU (irish@n2h2.com)
Wed Oct 27 11:55:06 1999
From: <irish@n2h2.com>
Date: Wed, 27 Oct 1999 16:05:25 GMT
Message-ID: <19991027.16052500@ballista.bess.net>
To: dwguest@win.tue.nl (Guest section DW)
CC: alan@lxorguk.ukuu.org.uk, linux-scsi@vger.rutgers.edu
In-Reply-To: <199910270205.EAA26655@wsdw01.win.tue.nl>
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On 10/26/99, 6:05:25 PM, dwguest@win.tue.nl (Guest section DW) wrote
regarding Re: Devices limit:
> Alan writes:
> > How many partitions you can create per drive depends on type
> > but right now we only allow 16 per disk, giving you a 32Gb ceiling.
> I have not followed this discussion, so perhaps the topic was
> something else, but the limit of 15 partitions per disk is
> because of lack of minor space. With large device numbers it is gone.
> Also, there is a size limit that is 1 TB or more, not 2 GB.
> 2 GB is the size limit on a file.
> Andries
Ah Ha! Please explain more about " large device numbers". I understand
running out of minor space; is this a change to the device schema?
I am sorry I wasn't clearer before - I understand the limit imposed by
SCSI spec on the number of physical devices. I am concerned with
creating a large number of partitions on one physical device (a RAID
array).
Thank you very much,
Irish@N2H2.com
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