Date: Sat, 20 Jan 2001 11:30:20 -0800 (PST) From: Matt Dillon <dillon@earth.backplane.com> To: Jordan Hubbard <jkh@winston.osd.bsdi.com> Cc: "Shawn Barnhart" <swb@grasslake.net>, freebsd-stable@FreeBSD.ORG Subject: Re: Limit on the number of disklabel entries? Message-ID: <200101201930.f0KJUKw08417@earth.backplane.com> References: <33819.980017896@winston.osd.bsdi.com>
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:> Is there a hard limit on the number of disk label entries?
:
:Yes. a-h is all you get (8) and of those, c is not usable unless
:you want to address the entire slice.
:
:- Jordan
I researched this a few months ago. The only thing preventing us
from increasing the number of partitions in a disklabel is our
major/minor device numbering scheme. It isn't a minor fix, though.
In the mean time, it is possible to quadruple the number of partitions
you have by using all four fdisk slice entries. Each slice can have its
own partition table. I do this on my home server's 18G HD:
apollo:/home/dillon> df
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/da0s1a 127023 61449 55413 53% /
/dev/da0s1d 127023 39697 77165 34% /var
/dev/da0s1e 127023 98 116764 0% /var/tmp
/dev/da0s1f 1016303 842959 92040 90% /usr
/dev/da0s1g 126322 28039 88178 24% /var/log
/dev/da0s2a 1524463 631822 770684 45% /archive
/dev/da0s2d 3048942 2040806 764221 73% /u1
/dev/da0s2e 5541549 3694467 1403759 72% /FreeBSD
/dev/da0s2f 2032623 1201468 668546 64% /images
/dev/da0s2g 3048942 531556 2273471 19% /usr/obj
procfs 4 4 0 100% /proc
-Matt
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