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From: Krekna Mektek <krekna@gmail.com>
To: Mike Hardy <mhardy@h3c.com>, linux-raid@vger.kernel.org
Subject: Re: RAID 5 inaccessible - continued
Date: Wed, 15 Feb 2006 10:35:14 +0100	[thread overview]
Message-ID: <8b24c8b10602150135l15b3da13s@mail.gmail.com> (raw)
In-Reply-To: <43F1FFE1.2010107@h3c.com>

I tried this one yesterday, with 2.6.15 that is. The same thing
happened, at the bad block sectors it tried and skipped some but after
a minute or two it stopped again.

Hmmmz.

Krekna

2006/2/14, Mike Hardy <mhardy@h3c.com>:
>
>
> Krekna Mektek wrote:
>
> > The dd actually succeeded, and did finish the job in about one day.
> > The badblocks were found after about the first 7 Gigs.
>
> Is this a 3-disk raid5 array? With two healthy disks and one bad disk?
>
> If so, then what you really want is a new kernel (2.6.15+? 2.6.14+?)
> that has raid5 read-error-handling code in it. Neil just coded that up.
>
> If it's missing a disk and has a disk with bad sectors, then you've
> already lost data, but you could use a combination of smart tests and dd
> to zero out those specific sectors (and only those sectors...) then sync
> a new disk up with the array...
>
> -Mike
>

  parent reply	other threads:[~2006-02-15  9:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-13 15:08 RAID 5 inaccessible - continued Krekna Mektek
2006-02-14  8:35 ` Krekna Mektek
2006-02-14  9:40   ` Neil Brown
2006-02-14 10:35     ` Krekna Mektek
     [not found]       ` <43F1FFE1.2010107@h3c.com>
2006-02-14 17:18         ` Krekna Mektek
2006-02-14 17:41           ` David Greaves
2006-02-15  9:36             ` Krekna Mektek
     [not found]             ` <8b24c8b10602151218i43886b75h@mail.gmail.com>
     [not found]               ` <43F3B119.1000800@dgreaves.com>
2006-02-16 14:32                 ` Krekna Mektek
2006-02-16 15:08                   ` Krekna Mektek
2006-02-16 16:42                     ` Krekna Mektek
2006-02-15  9:35         ` Krekna Mektek [this message]
2006-02-15  9:59       ` Burkhard Carstens
2006-02-15 15:09         ` Krekna Mektek

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