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Date:      Mon, 17 Jul 2006 17:40:02 +0200
From:      Miroslav Lachman <000.fbsd@quip.cz>
To:        freebsd-stable@freebsd.org
Subject:   Re: ATA problems again ...
Message-ID:  <44BBAF52.9080007@quip.cz>
In-Reply-To: <6.2.3.4.0.20060716185019.12a29240@64.7.153.2>
References:  <DAFCD4DC-D2D4-4574-ACBF-367D642D9729@stromnet.org>	<8D08DDB6-6AC1-45B6-B2CE-08782F54968A@stromnet.org>	<884C01BC-3E97-46EC-AA8B-E70C3931F3A4@stromnet.org>	<36895211-2796-4213-B336-6279AB3AC3CB@stromnet.org>	<20060713132357.Y61840@fledge.watson.org>	<44B7EA39.4060509@quip.cz> <6.2.3.4.0.20060716185019.12a29240@64.7.153.2>

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Mike Tancsa wrote:
[..]
> Install the smartmontools from
> 
> /usr/ports/sysutils/smartmontools/
> 
> and post the output of
> smartctl -a /dev/ad8

smartmontools was previously installed and running as daemon without any 
bad reports.
I can not run "smartctl -a /dev/ad8" now, because my server housing 
provider replaced HDD with the new one and after an hour of 
synchronization "ad8: FAILURE - device detached". So provider replaced 
whole server, only ad4 is original piece of HW.
On new server synchronization was much faster then in previous server 
(1:30 hour compared to 5 hours in previous server) - so I think it was 
HW problem.
Now I am running stresstest with copying /usr/ports to another partition 
in infinite loop.
I will post results later. (On bad server, test failed after about 30 
minutes. On another server the test is running fine second day, so I 
think if disk will not fail after 1 day, problem is solved)

At last - now I think this was not GEOM/gmirror related. I tried remove 
ad8 provider from gmirror (gm0), boot up system from gm0 with one 
provider (ad4) and test ad8 mounted separately - ad8 failed again.

Miroslav Lachman



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