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From: NeilBrown <neilb@suse.de>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-raid@vger.kernel.org, marcin.labun@intel.com,
	Dave Jiang <dave.jiang@intel.com>,
	ed.ciechanowski@intel.com
Subject: Re: [PATCH 7/9] imsm: support 'missing' devices at Create
Date: Tue, 30 Aug 2011 12:26:34 +1000	[thread overview]
Message-ID: <20110830122634.41d69592@notabene.brown> (raw)
In-Reply-To: <20110826021434.28015.93967.stgit@localhost6.localdomain6>

On Thu, 25 Aug 2011 19:14:35 -0700 Dan Williams <dan.j.williams@intel.com>
wrote:

> Specifying missing devices at create is very useful for array recovery.
> 
> For imsm create dummy disk entries at init_super_imsm time, and then use
> them to fill in unoccupied slots in the final array (if the container is
> unpopulated).
> 
> If the container is already populated (has a subarray)
> 'missing' disks must be in reference to already recorded missing devices
> in the metadata.

It would appear you have also implement --assume-clean:

> -	vol->dirty = 0;
> +	vol->dirty = !info->state;

Thanks - that has been bothering me.

I'll update the commit-log to record this.

Thanks,
NeilBrown

  reply	other threads:[~2011-08-30  2:26 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-26  2:13 [PATCH 0/9] recovering an imsm raid5 array Dan Williams
2011-08-26  2:14 ` [PATCH 1/9] imsm: fix max disks per array Dan Williams
2011-08-26  2:14 ` [PATCH 2/9] imsm: fix, stop metadata updates to newly failed devices Dan Williams
2011-08-26  2:14 ` [PATCH 3/9] imsm: fix display spares Dan Williams
2011-08-26  2:14 ` [PATCH 4/9] sysfs: fix sysfs_disk_to_scsi_id Dan Williams
2011-08-26  2:14 ` [PATCH 5/9] imsm: fix reserved sectors for spares Dan Williams
2011-08-26 19:51   ` Williams, Dan J
2011-08-30  2:20     ` NeilBrown
2011-09-06 20:42       ` Williams, Dan J
2011-09-19 12:57         ` Czarnowska, Anna
2011-09-21  4:45           ` NeilBrown
2011-08-26  2:14 ` [PATCH 6/9] mdmon: fix, close spare activation race Dan Williams
2011-08-26  2:14 ` [PATCH 7/9] imsm: support 'missing' devices at Create Dan Williams
2011-08-30  2:26   ` NeilBrown [this message]
2011-08-26  2:14 ` [PATCH 8/9] util: allow regular files through test_partition() Dan Williams
2011-08-26  2:14 ` [PATCH 9/9] mdadm: 'dump' support Dan Williams
2011-08-30  2:58   ` NeilBrown
2011-08-30 10:12     ` Alexander Kühn
2013-05-16  5:11       ` NeilBrown
2011-08-26 11:06 ` [PATCH 0/9] recovering an imsm raid5 array linbloke
2011-08-30  3:13 ` NeilBrown

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