[plug] Failing disk drive

[Richard Meyer]

OK, so if it says it's allocated all the alternate
blocks/tracks/whatever, they're still gone afterwards, and cannot be
reclaimed (except by manufacturer's tools)?




On Mon, 2008-04-14 at 19:05 -0700, Fred Janon wrote:
> Nope, the stats are stored in the drive by the drive firmware. Some are
> resettable by commands and some aren't if I remember correctly. The
> issue is that there is no real 100% standard for SMART and you need the
> manufacturer tools for the specific drives most likely.
> 
> Fred
> 
> --- Richard Meyer <meyerri at westnet.com.au> wrote:
> 
> > They were both moved out of a system that was mysteriously locking up
> > solid, so I wasn't too surprised when I got the first message,
> > because
> > there had been "relay" noises coming from the machine all day, but
> > after
> > moving the data to the second drive (and the relay sounds went away).
> > Getting the same message 2 days later seemed an unlikely coincidence.
> > 
> > I did play with Smartctl, but the numbers don't mean terribly much to
> > me, unfortunately.
> > 
> > I think I'll try new cables. Will a new set of cables "magically"
> > reset
> > the SMART stats?
> > 
> > Thanks
> > RM
> > 
> > On Mon, 2008-04-14 at 18:48 -0700, Fred Janon wrote:
> > > Or cables...
> > > 
> > > --- Denis Brown <dsbrown at cyllene.uwa.edu.au> wrote:
> > > 
> > > > Hello Richard.
> > > > 
> > > > I suspect this is too simplistic an answer but smartctl is the
> > tool
> > > > to 
> > > > use.   smartctl --help for example or this 
> > > > page:    http://smartmontools.sourceforge.net/man/smartctl.8.html
> > > > 
> > > > As to simultaneous drive failure...  Possible I guess (bad batch)
> > but
> > > > I 
> > > > would probably be looking for more of a common factor such as
> > power
> > > > supply 
> > > > or cooling.  ???
> > > > 
> > > > HTH,
> > > > Denis
> > > > 
> > > > 
> > > >   At 09:11 PM 14/04/2008, you wrote:
> > > > >Hi all,
> > > > >
> > > > >I've been having fun with my system hanging, and so just to get
> > it
> > > > over
> > > > >with, I bought a new motherboard and memory and installed the
> > old
> > > > disk
> > > > >drives.
> > > > >
> > > > >Now I' getting the following:
> > > > > > Apr 14 21:04:36 Selous smartd[4162]: Device: /dev/sda, FAILED
> > > > SMART 
> > > > > self-check. BACK UP DATA NOW!
> > > > > > Apr 14 21:04:36 Selous smartd[4162]: Device: /dev/sdb, FAILED
> > > > SMART 
> > > > > self-check. BACK UP DATA NOW!
> > > > > > Apr 14 21:04:36 Selous smartd[4162]: Device: /dev/sdb, SMART
> > > > Prefailure 
> > > > > Attribute: 5 Reallocated_Sector_Ct changed from 137 to 135
> > > > > > Apr 14 21:04:36 Selous smartd[4162]: Device: /dev/sdb, SMART
> > > > Usage 
> > > > > Attribute: 196 Reallocated_Event_Count changed from 93 to 90
> > > > >
> > > > >How do I see the SMART stats, and how likely is it that 2 disks
> > > > would
> > > > >fail "at the same time"? OK, sda failed a couple of days ago,
> > and I
> > > > >moved the data off of it.
> > > > >
> > > > >
> > > > >--
> > > > >Richard Meyer
> > > > >Necessity is the plea for every infringement of human freedom.
> > > > >It is the argument of tyrants; it is the creed of slaves.
> > > > >William Pitt, 1783
> > > > >
> > > > >Linux Counter user #306629
> > > > >
> > > > >_______________________________________________
> > > > >PLUG discussion list: plug at plug.org.au
> > > > >http://www.plug.org.au/mailman/listinfo/plug
> > > > >Committee e-mail: committee at plug.linux.org.au
> > > > 
> > > > 
> > > > _______________________________________________
> > > > PLUG discussion list: plug at plug.org.au
> > > > http://www.plug.org.au/mailman/listinfo/plug
> > > > Committee e-mail: committee at plug.linux.org.au
> > > > 
> > > 
> > > _______________________________________________
> > > PLUG discussion list: plug at plug.org.au
> > > http://www.plug.org.au/mailman/listinfo/plug
> > > Committee e-mail: committee at plug.linux.org.au
> > -- 
> > Richard Meyer
> > Necessity is the plea for every infringement of human freedom.
> > It is the argument of tyrants; it is the creed of slaves. 
> > William Pitt, 1783
> > 
> > Linux Counter user #306629
> > 
> > _______________________________________________
> > PLUG discussion list: plug at plug.org.au
> > http://www.plug.org.au/mailman/listinfo/plug
> > Committee e-mail: committee at plug.linux.org.au
> > 
> 
> _______________________________________________
> PLUG discussion list: plug at plug.org.au
> http://www.plug.org.au/mailman/listinfo/plug
> Committee e-mail: committee at plug.linux.org.au
-- 
Richard Meyer
Necessity is the plea for every infringement of human freedom.
It is the argument of tyrants; it is the creed of slaves. 
William Pitt, 1783

Linux Counter user #306629