Date: Wed, 22 Jul 2009 10:12:19 -0300 (BRT) From: "Nenhum_de_Nos" <matheus@eternamente.info> To: freebsd-current@freebsd.org Subject: Re: ZFS pool corrupted on upgrade of -current (probably sata renaming) Message-ID: <ccf532286abd59ce4c3bc64cc26353ab.squirrel@cygnus.homeunix.com> In-Reply-To: <b269bc570907150922l3ded8a76id12ea72801abb3c7@mail.gmail.com> References: <alpine.BSF.2.00.0907132009040.2027@teapot.cbhnet> <alpine.BSF.2.00.0907142318520.2686@teapot.cbhnet> <b269bc570907141550u6854bc8eh6ea73fe9bd3e788a@mail.gmail.com> <m21voi1ufz.wl%randy@psg.com> <b269bc570907150922l3ded8a76id12ea72801abb3c7@mail.gmail.com>
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On Wed, July 15, 2009 13:22, Freddie Cash wrote:
> On Tue, Jul 14, 2009 at 8:44 PM, Randy Bush <randy@psg.com> wrote:
>
>> > # glabel label disk01 /dev/ad4
>> > # glabel label disk02 /dev/ad6
>> > # glabel label disk03 /dev/ad8
>> > # zpool create pool raidz1 label/disk01 label/disk02 label/disk03
>> >
>> > After that, you can shuffle the drives around in the system, and the
>> pool
>> > will continue to work correctly.
>>
>> ooooooo! i wish i had understood that when i built a large set of
>> mirrored raid.
>>
>> any way to hack it ex post facto?
>>
>
> Yep. It's as simple as:
>
> * label all the drives using glabel, while they're still attached to the
> pool
> * use "zpool replace pool ad4 label/disk01" to replace 1 drive
> * wait for it to resilver
> * use "zpool replace pool ad6 label/disk02" to replace the next drive
> * repeat the resilver and replace until all the devices are replaced
>
> This is what I did to one of our servers. Works quite nicely.
>
> There's no need to detach anything.
was all this supposed to work with raidz ?
here it doesn't.
harry# zpool status
pool: zdados
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
zdados ONLINE 0 0 0
raidz1 ONLINE 0 0 0
ad8 ONLINE 0 0 0
ad10 ONLINE 0 0 0
ad12 ONLINE 0 0 0
errors: No known data errors
harry# zpool detach zdados ad8
cannot detach ad8: only applicable to mirror and replacing vdevs
thanks,
matheus
ps: using 7.2R with v13 zfs. got problems when booting current and trying
to use zfs on it (dual freebsd boot).
--
We will call you cygnus,
The God of balance you shall be
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
http://en.wikipedia.org/wiki/Posting_style
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