Date: Mon, 17 Mar 2014 13:00:25 +0200 From: Anton Sayetsky <vsjcfm@gmail.com> To: Adrian Gschwend <ml-ktk@netlabs.org> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: Growing a ZFS volume Message-ID: <CAFG2KCLBQpmRg-Rvt4M3-DPbuRMbdTrHN67HLixKXJh=%2B4rrgQ@mail.gmail.com> In-Reply-To: <5326D468.9060909@netlabs.org> References: <5326B36B.2090601@netlabs.org> <159E2EDC-C49D-4982-BB65-F757D949B5FE@FreeBSD.org> <CAFG2KCJbn5XVOXY6kaDXJeGAzPFpwv4Bp9VtE9s_2%2BLgqjCkeg@mail.gmail.com> <5326D468.9060909@netlabs.org>
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2014-03-17 12:54 GMT+02:00 Adrian Gschwend <ml-ktk@netlabs.org>:
> On 17.03.14 11:48, Anton Sayetsky wrote:
>
> Hi Anton,
>
>> autoexpand does not works, same as autoreplace. ;)
>
> In terms of it does not work in ZFS on FreeBSD?
Yep, that's right. Below I prove it:
Script started on Sat Mar 8 15:12:40 2014
root@jnb:~# truncate -s 20g /home/jason/test.fil
root@jnb:~# mdconfig -a -t vnode -f /home/jason/test.fil
md0
root@jnb:~# gpart create -s gpt md0
md0 created
root@jnb:~# gpart add -a 4k -t freebsd-zfs -s 10g md0
md0p1 added
root@jnb:~# gpart show md0
=> 34 41942973 md0 GPT (20G)
34 6 - free - (3.0k)
40 20971520 1 freebsd-zfs (10G)
20971560 20971447 - free - (10G)
root@jnb:~# zpool create -o cachefile=none -o autoexpand=on -O
canmount=off ztest /dev/md0p1
root@jnb:~# zpool list ztest
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT
ztest 9.94G 137K 9.94G 0% 1.00x ONLINE -
root@jnb:~# zpool export ztest
root@jnb:~# gpart resize -i1 -a 4k -s 15g md0
md0p1 resized
root@jnb:~# gpart show md0
=> 34 41942973 md0 GPT (20G)
34 6 - free - (3.0k)
40 31457280 1 freebsd-zfs (15G)
31457320 10485687 - free - (5G)
root@jnb:~# zpool import -o cachefile=none ztest
root@jnb:~# zpool list ztest
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT
ztest 9.94G 204K 9.94G 0% 1.00x ONLINE -
root@jnb:~# zpool online -e ztest md0p1
root@jnb:~# zpool list ztest
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT
ztest 14.9G 208K 14.9G 0% 1.00x ONLINE -
root@jnb:~# exit
Script done on Sat Mar 8 15:13:52 2014
>
> I just expanded it with online -e, worked great.
This is the only way to expand pool. You cannot do it automatically on FreeBSD.
>
> regards
>
> Adrian
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