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From: Luca Berra <bluca@comedia.it>
To: LinuxRaid <linux-raid@vger.kernel.org>
Subject: Re: [Patch] mdadm ignoring homehost?
Date: Mon, 6 Apr 2009 21:33:25 +0200	[thread overview]
Message-ID: <20090406193325.GA18829@maude.comedia.it> (raw)
In-Reply-To: <51C39605-BBE7-48E8-AB35-D55D0B36B3A6@redhat.com>

On Mon, Apr 06, 2009 at 10:47:00AM -0400, Doug Ledford wrote:
> FWIW, I happen to disagree with this method.  And I'm currently testing out 
> a new algorithm for this in Fedora 11 beta.
>
> Does the array match an array mdadm.conf via uuid?  If yes, use name from 
> mdadm.conf.  If no, does the array match an entry in mdadm.conf via the 
> standard super-minor/name mapping?  If yes, and that array line contains a 
> uuid that doesn't match this entry, then use a random name because this is 
> likely a conflict.  If yes and that line does not contain a uuid entry, 
> then this is likely a match, but a poor one.  Use the name, but don't like 
> it.  If no, then this array didn't match the mdadm.conf file at all and is 
> likely a foreign array.  However, if there is no mdadm.conf file, or if 
> there is a mdadm.conf file and nothing in it used our name, then foreign or 
> not, it likely won't conflict on name, so go ahead and use the standard 
> name for this device.
i think the idea is sound,
i only took a glance at the implementation, but i cannot understand the
use of "conf_exists()" function...

Regards,
L.


-- 
Luca Berra -- bluca@comedia.it
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  reply	other threads:[~2009-04-06 19:33 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-24 16:57 mdadm ignoring homehost? Jon Nelson
2009-04-01 15:15 ` Jon Nelson
2009-04-01 22:46   ` Neil Brown
2009-04-06 14:47     ` [Patch] " Doug Ledford
2009-04-06 19:33       ` Luca Berra [this message]
2009-04-17  3:49       ` Neil Brown
2009-04-17  7:08         ` Gabor Gombas
2009-04-20  5:23           ` Neil Brown
2009-04-21  6:34             ` Gabor Gombas
2009-04-21  7:06               ` Luca Berra
2009-04-17 18:17         ` Doug Ledford
2009-04-17 18:40           ` Piergiorgio Sartor
2009-04-18  7:54             ` Luca Berra
2009-04-18  8:36               ` Piergiorgio Sartor
2009-04-18 10:19                 ` Luca Berra
2009-04-18 13:06                   ` Piergiorgio Sartor
2009-04-20  5:58                     ` Neil Brown
2009-04-20 12:29                       ` Doug Ledford
2009-04-20 18:17                       ` Piergiorgio Sartor
2009-04-20 19:49                         ` Leslie Rhorer
2009-04-20 20:04                           ` Piergiorgio Sartor
2009-04-20 21:18                           ` Luca Berra
2009-04-20 21:13                         ` Luca Berra
2009-04-20 21:24                           ` Piergiorgio Sartor
2009-04-20 23:47                             ` Doug Ledford
2009-04-21  0:00                               ` Doug Ledford
2009-04-21  8:57                                 ` Michal Soltys
2009-04-21  6:29                               ` Luca Berra
2009-04-21 18:15                           ` Piergiorgio Sartor
2009-04-22 16:06                             ` Andrew Burgess
2009-04-23  1:20                               ` Doug Ledford
2009-04-23  5:51                                 ` Luca Berra
2009-04-23  6:09                                   ` Luca Berra
2009-04-23 11:05                                   ` Doug Ledford
2009-04-23 21:31                                     ` Luca Berra
2009-04-24 16:46                                       ` Doug Ledford
2009-04-24 19:15                                 ` Piergiorgio Sartor
2009-04-26 11:52                                   ` Doug Ledford
2009-04-26 12:14                                     ` Piergiorgio Sartor
2009-04-26 12:58                                       ` Piergiorgio Sartor
2009-04-26 18:06                                         ` Doug Ledford
2009-04-26 19:08                                           ` Piergiorgio Sartor
2009-04-26 21:37                                       ` Michal Soltys
2009-04-18 14:34             ` Andrew Burgess
2009-04-18  8:12           ` Luca Berra
2009-04-18  8:44             ` Piergiorgio Sartor
2009-04-18 13:35             ` Doug Ledford
2009-04-18 13:52               ` Piergiorgio Sartor
2009-04-18 14:50                 ` Doug Ledford
2009-04-18 14:48               ` Jon Nelson
2009-04-20  6:08               ` Neil Brown
2009-04-20 12:26                 ` Luca Berra
2009-04-20 12:36                 ` Doug Ledford
2009-04-18 13:58           ` Bill Davidsen
2009-04-20  7:23           ` Neil Brown
2009-04-20 13:15             ` Doug Ledford
2009-04-21  6:54               ` Neil Brown
2009-05-11  6:47               ` Neil Brown
2009-04-01 22:47 ` Michal Soltys

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