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From: Wols Lists <antlists@youngman.org.uk>
To: John Crisp <jcrisp@safeandsoundit.co.uk>,
	linux-raid@vger.kernel.org, Phil Turmel <philip@turmel.org>,
	NeilBrown <neilb@suse.com>
Subject: Re: Raid 6 recovery
Date: Thu, 2 Nov 2017 23:47:33 +0000	[thread overview]
Message-ID: <59FBAE95.6010206@youngman.org.uk> (raw)
In-Reply-To: <59F8BCE9.1070607@youngman.org.uk>

On 31/10/17 18:11, Wols Lists wrote:
> It's possible - I wouldn't know - that the existence of the MBR stops
> mdadm looking for a superblock that applies to the whole drive, which
> could explain why those drives have disappeared.

Just been digging in the code - function check_raid - I think if you
pass a drive to mdadm it checks the drive for a superblock, and doesn't
look for whether a partition table exists. So I think that's that
explanation blown out the water ... :-(

Cheers,
Wol

  reply	other threads:[~2017-11-02 23:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-31 15:42 Raid 6 recovery John Crisp
2017-10-31 16:27 ` Wols Lists
2017-10-31 17:42   ` John Crisp
2017-10-31 18:11     ` Wols Lists
2017-11-02 23:47       ` Wols Lists [this message]
2017-11-03 10:44         ` John Crisp
2017-11-04 12:46           ` Wols Lists
2017-11-05 17:13             ` John Crisp
2017-11-05 18:08               ` Wol's lists

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