Mailinglist Archive: opensuse (1196 mails)

[David Haller <dnh@xxxxxxxxxxxx>]

Hello,

On Wed, 20 Jan 2010, Carlos E. R. wrote:
> On Tuesday, 2010-01-19 at 16:55 -0600, David C. Rankin wrote:
> > Model Family:     Seagate Barracuda 7200.11
>
> Some Seagate models had important firmware errors; I think the link for 
> checking is this one:
>
> ] <http://seagate.custkb.com/seagate/crm/selfservice/news.jsp?DocId=207931>

The ST3750330AS is one of the affected Models, but he already has the
"updated" Firmware SD1A (c.f:
http://seagate.custkb.com/seagate/crm/selfservice/search.jsp?DocId=207951&Hilite=
http://seagate.custkb.com/seagate/crm/selfservice/search.jsp?DocId=207957&Hilite=
http://www.seagate.com/staticfiles/support/downloads/firmware/MooseDT-SD1A-2D-8-16-32MB.ISO

> > 4 Start_Stop_Count        0x0032   100   100   020    Old_age   Always    
> > -      72
> > 5 Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail  Always    
> > -      10
>
> There are 10 reallocated sectors. This is significative, watch it.

After 72 Starts/Stops???

> > 197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always   
> > -      207
> > 198 Offline_Uncorrectable   0x0010   100   100   000    Old_age   Offline  
> > -      207
>
> This might be important.

That _is_ important. "Pending Sectors" are defective, but just not yet
"Reallocated Sectors", ditto "Offline Uncorrectable".

217 defects after 72 starts/stops is "DOA" ("Dead On Arrival").

> You _must_ run the long test as soon as possible. Do not rely only on the 
> short test. The long test includes a surface scan.

NO!!! (not yet)

Replace the disc. NOW! (and get an image with GNU ddrescue[1] or
dd_rescue if possible or at least get your data off that disc right
effing now).

That disc is as good as dead!

After the data is saved, you can run the long test, and "wait and see"
(and use the disc for temp stuff, such as rpm-caches, ccache,
squid-cache and the like, readily expendable stuff anyway).

But better wipe the disc with GNU ddrescue or dd_rescue and input
/dev/zero, and then get it replaced by Seagate (I'm rather sure it'll
qualify for replacement, unless it's an OEM disc on which there's no
guarantee).

Oh, yes: http://en.wikipedia.org/wiki/S.M.A.R.T.#ATA_S.M.A.R.T._attributes

HTH,
-dnh

[1] GNU ddrescue's not "better" than dd_rescue, just different and I
    happen to prefer it. See
    http://www.gnu.org/software/ddrescue/ddrescue.html
    My openSUSE Packages are here (adjust Distribution as applicable):
    http://download.opensuse.org/repositories/home:/dnh/openSUSE_11.2/

    There's a snag though (see after description).

    From my .spec:

====
%description
GNU ddrescue is a data recovery tool. It copies data from one file or block
device (hard disc, cdrom, etc) to another, trying hard to rescue data in
case of read errors.

Ddrescue does not truncate the output file if not asked to. So, every time
you run it on the same output file, it tries to fill in the gaps.

The basic operation of ddrescue is fully automatic.
====

    Darn. Still haven't asked Kurt Garloff about the naming issue of
    the package. So, best download the rpm and install with 'rpm -ivh'
    (and _not_ -Uvh, or yast or zypper, as that'd remove Kurt's
    dd_rescue), there's no conflict beside the package-name itself,
    you'll just have two ddrescues rpms with different versions and
    vendors installed (I too have both installed on my 11.2 box).

-- 
Well I wish you'd just tell me rather than try to engage my
enthusiasm, because I haven't got one.            -- Marvin
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