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From: Stan Hoeppner <stan@hardwarefreak.com>
To: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
Cc: Jeff Johnson <jeff.johnson@aeoncomputing.com>,
	linux-raid@vger.kernel.org
Subject: Re: Possible to change chunk size on RAID-1 without re-init or destructive result?
Date: Wed, 27 Mar 2013 14:11:12 -0500	[thread overview]
Message-ID: <51534450.8050905@hardwarefreak.com> (raw)
In-Reply-To: <16639206.20.1364400094382.JavaMail.root@zimbra>

On 3/27/2013 11:01 AM, Roy Sigurd Karlsbakk wrote:
> From the manual
> 
>        -c, --chunk=
>               Specify  chunk size of kibibytes.  The default when creating an array is 512KB.  To ensure compatibility with ear‐
>               lier versions, the default when Building and array with no persistent metadata is 64KB.  This is  only  meaningful
>               for RAID0, RAID4, RAID5, RAID6, and RAID10.
> 
> meaning - chunk size isn't relevant to a mirror

The man page should be changed to explicitly state that --chunk does not
apply to RAID1 or --linear arrays.  Far too many people are having
trouble with this.  For those people the current docs are apparently too
subtle.

-- 
Stan

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  parent reply	other threads:[~2013-03-27 19:11 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-27  5:30 Possible to change chunk size on RAID-1 without re-init or destructive result? Jeff Johnson
2013-03-27  5:56 ` Mikael Abrahamsson
2013-03-27  6:02 ` Roman Mamedov
2013-03-27 16:01 ` Roy Sigurd Karlsbakk
2013-03-27 16:23   ` Jeff Johnson
2013-03-27 16:44     ` Roman Mamedov
2013-03-27 19:36     ` Stan Hoeppner
2013-03-27 19:11   ` Stan Hoeppner [this message]
2013-03-27 19:23     ` Mark Knecht
2013-03-27 20:10       ` Stan Hoeppner
2013-03-27 21:06         ` Mark Knecht
2013-03-27 22:08           ` Stan Hoeppner
2013-03-27 22:18             ` Mark Knecht
2013-03-31 15:56               ` Stan Hoeppner
2013-03-31 17:15                 ` Mark Knecht
2013-03-31 17:41                   ` Stan Hoeppner
2013-03-31 17:56                     ` Mark Knecht
2013-04-01  0:28                       ` Stan Hoeppner
2013-04-01 16:46                         ` Mark Knecht
2013-04-02  1:15                           ` Brad Campbell

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