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From: Al Boldi <a1426z@gawab.com>
To: NeilBrown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH 009 of 11] md: Support stripe/offset mode in raid10
Date: Tue, 2 May 2006 19:38:45 +0300	[thread overview]
Message-ID: <200605021938.45254.a1426z@gawab.com> (raw)
In-Reply-To: <1060501053054.23009@suse.de>

NeilBrown wrote:
> The "industry standard" DDF format allows for a stripe/offset layout
> where data is duplicated on different stripes. e.g.
>
>   A  B  C  D	
>   D  A  B  C	
>   E  F  G  H	
>   H  E  F  G	
>
> (columns are drives, rows are stripes, LETTERS are chunks of data).

Presumably, this is the case for --layout=f2 ?
If so, would --layout=f4 result in a 4-mirror/striped array?

Also, would it be possible to have a staged write-back mechanism across 
multiple stripes?

Thanks!

--
Al


  reply	other threads:[~2006-05-02 16:40 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-01  5:29 [PATCH 000 of 11] md: Introduction - assort md enhancements for 2.6.18 NeilBrown
2006-05-01  5:30 ` [PATCH 001 of 11] md: Reformat code in raid1_end_write_request to avoid goto NeilBrown
2006-05-01  5:30 ` [PATCH 002 of 11] md: Remove arbitrary limit on chunk size NeilBrown
2006-05-01  5:30 ` [PATCH 003 of 11] md: Remove useless ioctl warning NeilBrown
2006-05-01  5:30 ` [PATCH 004 of 11] md: Increase the delay before marking metadata clean, and make it configurable NeilBrown
2006-05-01  5:44   ` Andrew Morton
2006-05-01  6:02     ` Neil Brown
2006-05-01  6:13       ` Andrew Morton
2006-05-01 15:17         ` Linus Torvalds
2006-05-01  6:15       ` Nick Piggin
2006-05-02  5:56   ` bert hubert
2006-05-09  1:40     ` Neil Brown
2006-05-01  5:30 ` [PATCH 006 of 11] md: Remove nuisance message at shutdown NeilBrown
2006-05-01  5:30 ` [PATCH 007 of 11] md: Allow checkpoint of recovery with version-1 superblock NeilBrown
2006-05-01  5:30 ` [PATCH 008 of 11] md: Allow a linear array to have drives added while active NeilBrown
2006-05-01  5:30 ` [PATCH 009 of 11] md: Support stripe/offset mode in raid10 NeilBrown
2006-05-02 16:38   ` Al Boldi [this message]
2006-05-03  0:05     ` Neil Brown
2006-05-03  4:00       ` Al Boldi
2006-05-08  7:17         ` Neil Brown
2006-05-08 16:59           ` Al Boldi
2006-05-01  5:31 ` [PATCH 010 of 11] md: make md_print_devices() static NeilBrown
2006-05-01  5:31 ` [PATCH 011 of 11] md: Split reshape portion of raid5 sync_request into a separate function NeilBrown
     [not found] ` <1060501053025.22961@suse.de>
2006-05-01  5:40   ` [PATCH 005 of 11] md: Merge raid5 and raid6 code H. Peter Anvin

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