Date: Tue, 3 Feb 2004 03:23:12 +0200 From: "Putinas Piliponis" <pilkis@gmx.net> To: <current@freebsd.org> Subject: atacontrol rebuild and iostat Message-ID: <04cf01c3ea3f$56394960$0464a8c0@spotripoli.local> References: <02b801c3e9d7$cf629250$0464a8c0@spotripoli.local> <20040202143424.H75850@carver.gumbysoft.com>
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Hmm, another notice...
I created array, right now it's rebuilding
atacontrol status ar0
ar0: ATA RAID1 subdisks: ad4 ad6 status: REBUILDING 3% completed
to check is it really doing what I expect I run
iostat ad4 ad6 1
and I see 0 transfer to devices:
pilkis@freebsd:/usr/src# iostat ad4 ad6 1
tty ad4 ad6 cpu
tin tout KB/t tps MB/s KB/t tps MB/s us ni sy in id
1 1219 0.50 0 0.00 0.50 0 0.00 17 0 6 1 76
0 180 0.00 0 0.00 0.00 0 0.00 0 0 2 3 96
0 60 0.00 0 0.00 0.00 0 0.00 0 0 2 2 97
0 60 0.00 0 0.00 0.00 0 0.00 0 0 2 2 95
0 60 0.00 0 0.00 0.00 0 0.00 0 0 0 0 99
0 60 0.00 0 0.00 0.00 0 0.00 1 0 1 2 96
to be sure what I didn't miss something I also run
iostat ar0
also no transfers 0.00MB/s
Why nothing ?
----- Original Message -----
From: "Doug White" <dwhite@gumbysoft.com>
To: "Putinas Piliponis" <putinas.piliponis@icnspot.net>
Cc: <current@freebsd.org>
Sent: Tuesday, February 03, 2004 00:36
Subject: Re: atacontrol problems
> On Mon, 2 Feb 2004, Putinas Piliponis wrote:
>
>> just playing with raids on 5.2.1-RC
>> atacontrol create RAID1 ad6 ad6
>> ar0 created
>> atacontrol detach 3
>> gives panic
>
> Feeding invalid configurations to ATA RAID is a good way to end up with a
> bloody foot. It would be nice to sanity-check something like that,
> though.
>
> ATARAID is known to not be wonderfully stable in the face of bizarre
> setups and failure; its a known limitation. The future plan is to replace
> the current framework with something more robust.
>
> --
> Doug White | FreeBSD: The Power to Serve
> dwhite@gumbysoft.com | www.FreeBSD.org
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>
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