[ale] Raid5 lost 2 of 7 disks, can it be recovered?

Robert L. Harris Robert.L.Harris at rdlg.net
Mon Dec 2 15:51:24 EST 2002




Software and this is a disk server for my backup server.


Thus spake Jonathan Glass (jonathan.glass at ibb.gatech.edu):

> Subject: Re: [ale] Raid5 lost 2 of 7 disks, can it be recovered?
> From: Jonathan Glass <jonathan.glass at ibb.gatech.edu>
> To: ale at ale.org
> X-Mailer: Ximian Evolution 1.0.8 (1.0.8-10) 
> Date: 02 Dec 2002 15:40:05 -0500
> 
> On Mon, 2002-12-02 at 15:35, Robert L. Harris wrote:
> > 
> > 
> > 
> >   I have a machine with a 7disk raid5 (software/md).  2 of the disks
> > failed durring a reboot, the machine came up marked the raid unusable
> > and dead.  Both drives just came unseated (love that Hardware QA on
> > assembly) and the array was never actually accessed.  Is there any way
> > to "force" it up or is it completely gone?
> > 
> > 
> > :wq!
> > ---------------------------------------------------------------------------
> > Robert L. Harris                     | PGP Key ID: FC96D405
> >                                
> > DISCLAIMER:
> >       These are MY OPINIONS ALONE.  I speak for no-one else.
> > FYI:
> >  perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'
> > 
> > _______________________________________________
> > Ale mailing list
> > Ale at ale.org
> > http://www.ale.org/mailman/listinfo/ale
> 
> Hardware or Software RAID?
> 
> If you have HW, you should be able to do what you mentioned...re-seat
> the drives, mark them both online, and mark the RAID 5 online. 
> 
> Option 2: You have backups, right? :)
> 
> GL
> 
> -- 
> Jonathan Glass
> Systems Support Specialist II
> Institute for Bioengineering & Bioscience
> Georgia Institute of Technology
> 404.385.0127
> 
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://www.ale.org/mailman/listinfo/ale



:wq!
---------------------------------------------------------------------------
Robert L. Harris                     | PGP Key ID: FC96D405
                               
DISCLAIMER:
      These are MY OPINIONS ALONE.  I speak for no-one else.
FYI:
 perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'

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