Date: Wed, 07 Sep 2011 19:40:19 +0400 From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: freebsd-current@freebsd.org Subject: Re: FreeBSD 9.0 BETA2 gpart resize -s uses whole disk on first resize Message-ID: <4E679063.5020700@FreeBSD.org> In-Reply-To: <CALoBCad4=LajXqXEEnEqq3SNvUcVV57ZyXdYoCvoG6U-WdOUpg@mail.gmail.com> References: <CALoBCad4=LajXqXEEnEqq3SNvUcVV57ZyXdYoCvoG6U-WdOUpg@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --]
On 07.09.2011 04:21, Mikael Fridh wrote:
> Hi gurus,
>
> FreeBSD freebsd9.mg8.tmtowtdi.se 9.0-BETA2 FreeBSD 9.0-BETA2 #0: Wed
> Aug 31 18:07:44 UTC 2011
> root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
>
> When resizing a partition, on first attempt it uses up the whole disk.
> Only on second attempt it resizes to the correct target size.
>
> Resizing from any smaller size to a larger size initially uses up the
> whole disk, like if -s was not used at all even if it's as little as
> one logical disk block.
>
> I'm wondering if anyone else can reproduce.
I can't reproduce.
# dd if=/dev/zero of=./disk count=1 seek=3907029167
1+0 records in
1+0 records out
512 bytes transferred in 0.000116 secs (4409617 bytes/sec)
# mdconfig -f disk
md0
# gpart create -s gpt md0
md0 created
# gpart add -t freebsd-boot -b 64 -s 128 md0
md0p1 added
# gpart add -t freebsd-swap -s 8388608 md0
md0p2 added
# gpart show md0
=> 34 3907029101 md0 GPT (1.8T)
34 30 - free - (15k)
64 128 1 freebsd-boot (64k)
192 8388608 2 freebsd-swap (4.0G)
8388800 3898640335 - free - (1.8T)
# gpart resize -i 2 -s 33554432 md0
md0p2 resized
# gpart show md0
=> 34 3907029101 md0 GPT (1.8T)
34 30 - free - (15k)
64 128 1 freebsd-boot (64k)
192 33554432 2 freebsd-swap (16G)
33554624 3873474511 - free - (1.8T)
===================================================
So, can you enable G_F_CTLDUMP flag and try it again, and show what you
will get?
Just use:
# sysctl kern.geom.debugflags=0x80
# gpart resize -i 2 -s 33554432 md0
On the console (and in the log files) will be printed some info.
--
WBR, Andrey V. Elsukov
[-- Attachment #2 --]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.17 (FreeBSD)
iQEcBAEBAgAGBQJOZ5BqAAoJEAHF6gQQyKF6JLUH/if444OQFc9a1Gr+FwLjAPan
5PAFxQ5qe4ufgmIMLbpBehl8SxNmHCWVEMv/FukHXcQCZvJDzoASCGb83oOAXqCb
YaWBMKUyg4lE03zsUGTpB4wT7JTgJOfmEwCOnBUvQvohevjZ8Qi9hjOTNffrvBr7
LWHIoeti1Na0kCVi6HCsHSso2l1mqPrq4a81OEaFu+ttgtdXFJon5O2L9ixu94Sv
f0NjN0ChF4DzG6fUo2KDw2hsQ+epuozRBxv8AZIHl20gukqNrgLFtZUNo7FzyE5r
Sn39dxUwypRAXe1rCdqgfangUmCepzIua2XcQZbQS0cEofvbwQN15IGPtryQsqc=
=/JWh
-----END PGP SIGNATURE-----
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4E679063.5020700>