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From: Piergiorgio Sartor <piergiorgio.sartor@nexgo.de>
To: Neil Brown <neilb@suse.de>
Cc: Bill Davidsen <davidsen@tmr.com>,
	Piergiorgio Sartor <piergiorgio.sartor@nexgo.de>,
	Steven Haigh <netwiz@crc.id.au>,
	Bryan Mesich <bryan.mesich@ndsu.edu>,
	Jon@eHardcastle.com, linux-raid@vger.kernel.org
Subject: Re: Why does one get mismatches?
Date: Fri, 26 Feb 2010 23:01:23 +0100	[thread overview]
Message-ID: <20100226220123.GA2843@lazy.lzy> (raw)
In-Reply-To: <20100227080938.6540f041@notabene.brown>

Hi,

> So I think that the only way to address this in the md layer is to copy
> the data and write the copy.  There is already code to copy the data for
> write-behind that could possible be leveraged to do a copy always.

actually, I wanted to ask how the write-behind works,
because I was suspecting it copies the data.

BTW, it is possible to set both drives (of a pair) as
write-mostly and some write-behind?

> Or I could just stop setting mismatch_cnt for raid1 and raid10.  That would
> also fix the problem :-)

Well, the "complaining" problem will be fixed... :-)

bye,

-- 

piergiorgio

  reply	other threads:[~2010-02-26 22:01 UTC|newest]

Thread overview: 104+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-20 11:52 Fw: Why does one get mismatches? Jon Hardcastle
2010-01-22 18:13 ` Goswin von Brederlow
2010-01-24 17:40   ` Jon Hardcastle
2010-01-24 21:52     ` Roger Heflin
2010-01-24 23:13     ` Goswin von Brederlow
2010-01-25 10:07       ` Jon Hardcastle
2010-01-25 10:37         ` Goswin von Brederlow
2010-01-25 10:52           ` Jon Hardcastle
2010-01-25 17:32             ` Goswin von Brederlow
2010-01-25 19:32             ` Iustin Pop
2010-02-01 21:18 ` Bill Davidsen
2010-02-01 22:37   ` Neil Brown
2010-02-02 15:11     ` Bill Davidsen
2010-02-03 11:17       ` Goswin von Brederlow
2010-02-11  5:14       ` Neil Brown
2010-02-11 17:51         ` Bryan Mesich
2010-02-16 21:25           ` Bill Davidsen
2010-02-16 21:38             ` Steven Haigh
2010-02-17  3:19               ` Bryan Mesich
2010-02-17 23:05               ` Neil Brown
2010-02-19 15:18                 ` Piergiorgio Sartor
2010-02-19 22:02                   ` Neil Brown
2010-02-19 22:37                     ` Piergiorgio Sartor
2010-02-19 23:34                     ` Asdo
2010-02-20  4:27                       ` Goswin von Brederlow
2010-02-20 11:12                         ` Asdo
2010-02-21 11:13                           ` Goswin von Brederlow
     [not found]                             ` <8754A21825504719B463AD9809E54349@m5>
     [not found]                               ` <20100221194400.GA2570@lazy.lzy>
2010-02-22 13:01                                 ` Asdo
2010-02-22 13:30                                   ` Piergiorgio Sartor
2010-02-22 13:44                                   ` Piergiorgio Sartor
2010-02-24 19:42                               ` Bill Davidsen
2010-02-20  4:23                     ` Goswin von Brederlow
2010-02-24 14:54                     ` Bill Davidsen
2010-02-24 21:37                       ` Neil Brown
2010-02-26 20:48                         ` Bill Davidsen
2010-02-26 21:09                           ` Neil Brown
2010-02-26 22:01                             ` Piergiorgio Sartor [this message]
2010-02-26 22:15                             ` Bill Davidsen
2010-02-26 22:21                               ` Piergiorgio Sartor
2010-02-26 22:20                             ` Asdo
2010-02-27  6:01                               ` Michael Evans
2010-02-28  0:01                                 ` Bill Davidsen
2010-02-24 14:46                 ` Bill Davidsen
2010-02-24 16:12                   ` Martin K. Petersen
2010-02-24 18:51                     ` Piergiorgio Sartor
2010-02-24 22:21                       ` Neil Brown
2010-02-25  8:41                         ` Piergiorgio Sartor
2010-03-02  4:57                           ` Neil Brown
2010-03-02 18:49                             ` Piergiorgio Sartor
2010-02-24 21:39                     ` Neil Brown
     [not found]                       ` <4B8640A2.4060307@shiftmail.org>
2010-02-25 10:41                         ` Neil Brown
2010-02-28  8:09                       ` Luca Berra
2010-03-02  5:01                         ` Neil Brown
2010-03-02  7:36                           ` Luca Berra
2010-03-02 10:04                             ` Michael Evans
2010-03-02 11:02                               ` Luca Berra
2010-03-02 12:13                                 ` Michael Evans
2010-03-02 18:14                                 ` Asdo
2010-03-02 18:52                                   ` Piergiorgio Sartor
2010-03-02 23:27                                     ` Asdo
2010-03-03  9:13                                       ` Piergiorgio Sartor
2010-03-03 11:42                                         ` Asdo
2010-03-03 12:03                                           ` Piergiorgio Sartor
2010-03-02 20:17                                   ` Neil Brown
2010-02-24 21:32                   ` Neil Brown
2010-02-25  7:22                     ` Goswin von Brederlow
2010-02-25  7:39                       ` Neil Brown
2010-02-25  8:47                     ` John Robinson
2010-02-25  9:07                       ` Neil Brown
2010-02-11 18:12         ` Piergiorgio Sartor
  -- strict thread matches above, loose matches on Subject: below --
2010-02-01 23:14 Jon Hardcastle
2010-01-25 20:43 greg
2010-01-25 22:49 ` Steven Haigh
2010-01-27 21:54   ` Tirumala Reddy Marri
2010-01-28  9:16     ` Jon Hardcastle
2010-01-28 10:29       ` Asdo
2010-01-28 17:20     ` Tirumala Reddy Marri
2010-01-28 18:23       ` Goswin von Brederlow
2010-01-28 19:03         ` Tirumala Reddy Marri
2010-01-28 20:24           ` Goswin von Brederlow
2010-01-29 15:37             ` Jon Hardcastle
2010-01-29 23:52               ` Goswin von Brederlow
2010-01-30 10:39                 ` Jon Hardcastle
2010-02-01 21:10               ` Bill Davidsen
2010-01-20 15:03 Jon Hardcastle
2010-01-20 15:34 ` Brett Russ
2010-01-20 20:44   ` Majed B.
2010-01-20 22:25     ` Brett Russ
2010-01-20 22:30       ` Majed B.
2010-01-20 22:43         ` Brett Russ
2010-01-20 23:01           ` Christopher Chen
2010-01-21  4:17           ` Steven Haigh
2010-01-21  8:08             ` Asdo
2010-01-21 10:52               ` Steven Haigh
2010-01-21 11:48                 ` Farkas Levente
2010-01-21 12:15                   ` Jon Hardcastle
2010-01-19 10:04 Jon Hardcastle
2010-01-20 14:19 ` Brett Russ
2010-01-20 14:34   ` Jon Hardcastle
2010-01-20 14:46     ` Brett Russ
2010-02-01 20:48       ` Bill Davidsen
2010-01-22 16:22   ` Jon Hardcastle
2010-01-22 16:34     ` Asdo
2010-01-22 17:41     ` Brett Russ

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