Linux RAID subsystem development
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From: Christoph Hellwig <hch@lst.de>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: Christoph Hellwig <hch@lst.de>, Qu Wenruo <wqu@suse.com>,
	linux-btrfs@vger.kernel.org, linux-raid@vger.kernel.org
Subject: Re: [PATCH RFC] btrfs: disguise single-data-RAID56 as RAID1/RAID1C3
Date: Fri, 22 May 2026 14:08:37 +0200	[thread overview]
Message-ID: <20260522120837.GB21041@lst.de> (raw)
In-Reply-To: <a8de8d07-d262-4f91-96eb-473fcded6549@gmx.com>

On Fri, May 22, 2026 at 07:00:25PM +0930, Qu Wenruo wrote:
> Not sure what specific workload you may want to verify, but my planned 
> workload is:
>
> - Create single-data-RAID56 btrfs
> - Fsstress it
> - Unmount
>
> - Mount with one device missing, readonly
> - Do a readonly scrub, should be no error
> - Retry with the remaining device(s)

fsstress doesn't actually check data ingtegrity.  So fsx is usually
a better choice for these kinds of tests.  Otherwise this sounds good.


      reply	other threads:[~2026-05-22 12:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-20 10:57 [PATCH RFC] btrfs: disguise single-data-RAID56 as RAID1/RAID1C3 Qu Wenruo
2026-05-22  8:52 ` Christoph Hellwig
2026-05-22  9:30   ` Qu Wenruo
2026-05-22 12:08     ` Christoph Hellwig [this message]

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