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Date:      Tue, 20 Sep 2022 07:23:34 +0300
From:      Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com>
To:        freebsd@dreamchaser.org
Cc:        FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: disk non-destructive bad-block write/fix?
Message-ID:  <CAOgwaMuV7mFba4q7tO7mg=Geg1ufJNUbdeTPjXTubpFE-6H6Ew@mail.gmail.com>
In-Reply-To: <d687eb29-a3fb-7d91-a2c6-c1e4e1dc7e31@dreamchaser.org>
References:  <d687eb29-a3fb-7d91-a2c6-c1e4e1dc7e31@dreamchaser.org>

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My opinion is :

Please replace this disk as soon as possible by copying its contents
into a suitable disk .




With my best wishes for all .

Mehmet Erol Sanliturk





On Tue, Sep 20, 2022 at 6:41 AM Gary Aitken <freebsd@dreamchaser.org> wrote:

> I have a system I need to back up and my only available backup disk is
> throwing a lot of errors like:
>
>    (da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 00 3c fd e5 68 00 00 40 00
>    (da0:umass-sim0:0:0:0): CAM status: CCB request completed with an error
>    (da0:umass-sim0:0:0:0): Retrying command
>    (da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 00 3c fd e6 68 00 00 20 00
>    (da0:umass-sim0:0:0:0): CAM status: CCB request completed with an error
>
> Is there a way to exercise the free blocks on a ufs disk and move all
> defective ones to the bad-block list?
>
> Or is that already happening in the above scenario?
>
> The command was
>    find . | grep -iv -f ./backup_ignores.txt | cpio -pmd
> /mnt/backup_20220919/
>
> The disk is about 40% full but I'm wondering if the whole rest of it is
> trashed.
>
> Thanks,
>
> Gary
>
>

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<div dir=3D"ltr"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"fon=
t-family:tahoma,sans-serif;font-size:large"><br></div><div class=3D"gmail_d=
efault" style=3D"font-family:tahoma,sans-serif;font-size:large">My opinion =
is :</div><div class=3D"gmail_default" style=3D"font-family:tahoma,sans-ser=
if;font-size:large"><br></div><div class=3D"gmail_default" style=3D"font-fa=
mily:tahoma,sans-serif;font-size:large">Please replace this disk as soon as=
 possible by copying its contents</div><div class=3D"gmail_default" style=
=3D"font-family:tahoma,sans-serif;font-size:large">into a suitable disk .</=
div><div class=3D"gmail_default" style=3D"font-family:tahoma,sans-serif;fon=
t-size:large"><br></div><div class=3D"gmail_default" style=3D"font-family:t=
ahoma,sans-serif;font-size:large"><br></div><div class=3D"gmail_default" st=
yle=3D"font-family:tahoma,sans-serif;font-size:large"><br></div><div class=
=3D"gmail_default" style=3D"font-family:tahoma,sans-serif;font-size:large">=
<br></div><div class=3D"gmail_default" style=3D"font-family:tahoma,sans-ser=
if;font-size:large">With my best wishes for all .</div><div class=3D"gmail_=
default" style=3D"font-family:tahoma,sans-serif;font-size:large"><br></div>=
<div class=3D"gmail_default" style=3D"font-family:tahoma,sans-serif;font-si=
ze:large">Mehmet Erol Sanliturk</div><div class=3D"gmail_default" style=3D"=
font-family:tahoma,sans-serif;font-size:large"><br></div><div class=3D"gmai=
l_default" style=3D"font-family:tahoma,sans-serif;font-size:large"><br></di=
v><div class=3D"gmail_default" style=3D"font-family:tahoma,sans-serif;font-=
size:large"><br></div><div class=3D"gmail_default" style=3D"font-family:tah=
oma,sans-serif;font-size:large"><br></div></div><br><div class=3D"gmail_quo=
te"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Sep 20, 2022 at 6:41 AM G=
ary Aitken &lt;<a href=3D"mailto:freebsd@dreamchaser.org">freebsd@dreamchas=
er.org</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left=
:1ex">I have a system I need to back up and my only available backup disk i=
s<br>
throwing a lot of errors like:<br>
<br>
=C2=A0 =C2=A0(da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 00 3c fd e5 68 00 0=
0 40 00<br>
=C2=A0 =C2=A0(da0:umass-sim0:0:0:0): CAM status: CCB request completed with=
 an error<br>
=C2=A0 =C2=A0(da0:umass-sim0:0:0:0): Retrying command<br>
=C2=A0 =C2=A0(da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 00 3c fd e6 68 00 0=
0 20 00<br>
=C2=A0 =C2=A0(da0:umass-sim0:0:0:0): CAM status: CCB request completed with=
 an error<br>
<br>
Is there a way to exercise the free blocks on a ufs disk and move all<br>
defective ones to the bad-block list?<br>
<br>
Or is that already happening in the above scenario?<br>
<br>
The command was<br>
=C2=A0 =C2=A0find . | grep -iv -f ./backup_ignores.txt | cpio -pmd /mnt/bac=
kup_20220919/<br>
<br>
The disk is about 40% full but I&#39;m wondering if the whole rest of it is=
<br>
trashed.<br>
<br>
Thanks,<br>
<br>
Gary<br>
<br>
</blockquote></div></div>

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