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From: Chris Mason <clm@fb.com>
To: Christoph Anton Mitterer <calestyo@scientia.net>
Cc: <linux-btrfs@vger.kernel.org>
Subject: Re: RAID56 status?
Date: Mon, 23 Jan 2017 18:18:09 -0500	[thread overview]
Message-ID: <20170123231809.GA9114@clm-mbp.masoncoding.com> (raw)
In-Reply-To: <1485194001.21584.1.camel@scientia.net>

On Mon, Jan 23, 2017 at 06:53:21PM +0100, Christoph Anton Mitterer wrote:
>Just wondered... is there any larger known RAID56 deployment? I mean
>something with real-world production systems and ideally many different
> IO scenarios, failures, pulling disks randomly and perhaps even so
>many disks that it's also likely to hit something like silent data
>corruption (on the disk level)?
>
>Has CM already migrated all of Facebook's storage to btrfs RAID56?! ;-)
>Well at least facebook.com seems till online ;-P *kidding*
>
>I mean the good thing in having such a massive production-like
>environment - especially when it's not just one homogeneous usage
>pattern - is that it would help to build up quite some trust into the
>code (once the already known bugs are fixed).

We've been focusing on the single-drive use cases internally.  This year 
that's changing as we ramp up more users in different places.  
Performance/stability work and raid5/6 are the top of my list right now.

-chris

  reply	other threads:[~2017-01-23 23:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-22 21:22 RAID56 status? Jan Vales
2017-01-22 22:35 ` Christoph Anton Mitterer
2017-01-22 22:39   ` Hugo Mills
2017-01-22 22:48     ` Waxhead
2017-01-22 22:56     ` Christoph Anton Mitterer
2017-01-23  0:25     ` Jan Vales
2017-01-23  1:34       ` Qu Wenruo
     [not found]         ` <CALqCWCXNoKqAJR=7c4wzOvVjSBxNRMsUYMvkfRMcVk14dkp27Q@mail.gmail.com>
2017-01-23  5:24           ` Qu Wenruo
2017-01-23 17:53             ` Christoph Anton Mitterer
2017-01-23 23:18               ` Chris Mason [this message]
2017-01-23 23:31                 ` Christoph Anton Mitterer
2017-01-24 14:36                   ` Niccolò Belli
2017-01-23  6:57       ` Brendan Hide
2017-01-23  8:34         ` Janos Toth F.

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