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From: NeilBrown <neilb@suse.de>
To: Fabian Knorr <knorrfab@fim.uni-passau.de>
Cc: Phil Turmel <philip@turmel.org>, linux-raid@vger.kernel.org
Subject: Re: Recovering an Array with inconsistent Superblocks
Date: Tue, 7 Jan 2014 11:26:27 +1100	[thread overview]
Message-ID: <20140107112627.32894e72@notabene.brown> (raw)
In-Reply-To: <1389016846.25272.5.camel@vessel>

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On Mon, 06 Jan 2014 15:00:46 +0100 Fabian Knorr <knorrfab@fim.uni-passau.de>
wrote:

> Many thanks to both of you, Phil and Neil!
> 
> Everything works flawlessly now and I had no data loss whatsoever.
> 
> > Long term, consider creating a new array with metadata type 1.x so you
> > can use a bitmap.  If you ever have an event like this, where one or
> > more devices are disconnected then reconnected, it'll greatly shorten
> > the recovery time.
> 
> But it's not possible to upgrade the metadata version of an existing
> array, is it? 

With mdadm-3.3 you can assemble an array with 0.90 metadata using

  mdadm --assemble --update=metadata /dev/mdWHATEVER /dev/.....

and it will be converted to 1.0 metadata.

NeilBrown

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  reply	other threads:[~2014-01-07  0:26 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-04 10:04 Recovering an Array with inconsistent Superblocks Fabian Knorr
2014-01-04 16:24 ` Phil Turmel
2014-01-04 17:59   ` Can Jeuleers
2014-01-04 19:16     ` Phil Turmel
2014-01-04 22:05   ` Fabian Knorr
2014-01-05  2:32     ` Phil Turmel
2014-01-05  9:07       ` Fabian Knorr
2014-01-05  9:56         ` NeilBrown
2014-01-05 10:40           ` Fabian Knorr
     [not found]           ` <1388918703.3591.20.camel@vessel>
2014-01-05 18:25             ` Phil Turmel
2014-01-05 23:50               ` NeilBrown
2014-01-06 14:00               ` Fabian Knorr
2014-01-07  0:26                 ` NeilBrown [this message]
2014-01-14  8:54     ` David Brown
2014-01-04 22:08   ` Fabian Knorr

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