Date: Tue, 17 Aug 2004 13:06:33 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: doug@polands.org Cc: questions@freebsd.org Subject: Re: Harddrive beginning to expire? Message-ID: <20040817180633.GF53307@dan.emsphone.com> In-Reply-To: <20040817174055.GG21780@omniresources.com> References: <20040817155512.GB21780@omniresources.com> <20040817160819.GA53307@dan.emsphone.com> <20040817165258.GD21780@omniresources.com> <20040817170415.GD53307@dan.emsphone.com> <20040817174055.GG21780@omniresources.com>
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In the last episode (Aug 17), doug@polands.org said:
> On Tue, Aug 17, 2004 at 12:04:15PM -0500, Dan Nelson wrote:
> > You can run them at any time. The AWRE change should be immediate, and
> > the defects command is just a status inquiry and won't affect anything.
> >
> > Some drives don't update the current settings until the drive is reset,
> > so if "camcontrol mode da5 -m 1 -P 0" shows AWRE at 0 while "-P 3"
> > shows it at 1, you may need to reset the drive ("camcontrol reset da5"
> > with the vinum volume dismounted, or a power-cycle).
> >
> Curious, both camcontrol commands show:
>
> AWRE (Auto Write Reallocation Enbld): 1
>
> So it would appear that AWRE has been enabled all along. Here's a
> unique list (and count) of the errors since 10 Aug:
Strange.
> 43 (da5:ahc0:0:5:0): WRITE(06). CDB: a 0 1 f9 a
This is the block you have to be worried about. It's definitely either
a file or metadata that gets modified a lot. If the drive isn't
reallocating the block, it may be easier to just replace it. SCSI
drives usually have a 5-year warranty, so check the vendor's site and
see if you can get them to replace it.
--
Dan Nelson
dnelson@allantgroup.com
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