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From: Bill Davidsen <davidsen@tmr.com>
To: Doug Ledford <dledford@redhat.com>
Cc: Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: Time to  deprecate old RAID formats?
Date: Sun, 28 Oct 2007 20:48:35 -0400	[thread overview]
Message-ID: <47252DE3.5090105@tmr.com> (raw)
In-Reply-To: <1193519471.10336.359.camel@firewall.xsintricity.com>

Doug Ledford wrote:
> On Fri, 2007-10-26 at 14:41 -0400, Doug Ledford wrote:
>   
>> Actually, after doing some research, here's what I've found:
>>     
> I should note that both the lvm code and raid code are simplistic at the
> moment.  For example, the raid5 mapping only supports the default raid5
> layout.  If you use any other layout, game over.  Getting it to work
> with version 1.1 or 1.2 superblocks probably wouldn't be that hard, but
> getting it to the point where it handles all the relevant setups
> properly would require a reasonable amount of coding.
>
>   
My first thought is that after the /boot partition is read (assuming you 
use one) restrictions go away. Performance of /boot is not much of an 
issue, for me at least, but more complex setups are sometimes need for 
the rest of the system.

Thanks for the research.

-- 
bill davidsen <davidsen@tmr.com>
  CTO TMR Associates, Inc
  Doing interesting things with small computers since 1979


  reply	other threads:[~2007-10-29  0:48 UTC|newest]

Thread overview: 88+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-19 14:34 Time to deprecate old RAID formats? John Stoffel
2007-10-19 15:09 ` Justin Piszcz
2007-10-19 15:46   ` John Stoffel
2007-10-19 16:15     ` Doug Ledford
2007-10-19 16:35       ` Justin Piszcz
2007-10-19 16:38       ` John Stoffel
2007-10-19 16:40         ` Justin Piszcz
2007-10-19 16:44           ` John Stoffel
2007-10-19 16:45             ` Justin Piszcz
2007-10-19 17:04               ` Doug Ledford
2007-10-19 17:05                 ` Justin Piszcz
2007-10-19 17:23                   ` Doug Ledford
2007-10-19 17:47                     ` Justin Piszcz
2007-10-20 18:38                       ` Michael Tokarev
2007-10-20 20:02                         ` Doug Ledford
2007-10-19 22:43                     ` chunk size (was Re: Time to deprecate old RAID formats?) Michal Soltys
2007-10-20 13:29                       ` Doug Ledford
2007-10-23 19:21                         ` Michal Soltys
2007-10-24  0:14                           ` Doug Ledford
2007-10-19 17:11         ` Time to deprecate old RAID formats? Doug Ledford
2007-10-19 18:39           ` John Stoffel
2007-10-19 21:23             ` Iustin Pop
2007-10-19 21:42               ` Doug Ledford
2007-10-20  7:53                 ` Iustin Pop
2007-10-20 13:11                   ` Doug Ledford
2007-10-26  9:54                     ` Luca Berra
2007-10-26 16:22                       ` Gabor Gombas
2007-10-26 17:06                         ` Gabor Gombas
2007-10-27 10:34                           ` Luca Berra
2007-10-26 18:52                       ` Doug Ledford
2007-10-26 22:30                         ` Gabor Gombas
2007-10-28  0:26                           ` Doug Ledford
2007-10-28 14:13                             ` Luca Berra
2007-10-28 17:47                               ` Doug Ledford
2007-10-29  8:41                                 ` Luca Berra
2007-10-29 15:30                                   ` Doug Ledford
2007-10-29 21:44                                     ` Luca Berra
2007-10-29 23:05                                       ` Doug Ledford
2007-10-30  3:10                                         ` Neil Brown
2007-10-30  6:55                                         ` Luca Berra
2007-10-30 16:48                                           ` Doug Ledford
2007-10-27  8:00                         ` Luca Berra
2007-10-27 20:09                           ` Doug Ledford
2007-10-28 13:46                             ` Luca Berra
2007-10-23 23:09                 ` Bill Davidsen
2007-10-23 23:03             ` Bill Davidsen
2007-10-24  0:09               ` Doug Ledford
2007-10-24 23:55                 ` Neil Brown
2007-10-25  0:09                   ` Jeff Garzik
2007-10-25  8:09                     ` David Greaves
2007-10-26  6:16                       ` Neil Brown
2007-10-26 14:18                         ` Bill Davidsen
2007-10-26 18:41                           ` Doug Ledford
2007-10-26 22:20                             ` Gabor Gombas
2007-10-26 22:58                               ` Doug Ledford
2007-10-27 11:11                               ` Luca Berra
2007-10-27 15:20                             ` Bill Davidsen
2007-10-28  0:18                               ` Doug Ledford
2007-10-29  0:44                                 ` Bill Davidsen
2007-10-27 21:11                             ` Doug Ledford
2007-10-29  0:48                               ` Bill Davidsen [this message]
2007-10-30  3:25                           ` Neil Brown
2007-11-02 12:31                             ` Bill Davidsen
2007-10-25  7:01                   ` Doug Ledford
2007-10-25 14:49                   ` Bill Davidsen
2007-10-25 15:00                     ` David Greaves
2007-10-26  5:56                     ` Neil Brown
2007-10-24 14:00               ` John Stoffel
2007-10-24 15:18                 ` Mike Snitzer
2007-10-24 15:32                 ` Bill Davidsen
2007-10-20 14:09       ` Michael Tokarev
2007-10-20 14:24         ` Doug Ledford
2007-10-20 14:52         ` John Stoffel
2007-10-20 15:07           ` Iustin Pop
2007-10-20 15:36             ` Doug Ledford
2007-10-20 18:24           ` Michael Tokarev
2007-10-22 20:39             ` John Stoffel
2007-10-22 22:29               ` Michael Tokarev
2007-10-24  0:42               ` Doug Ledford
2007-10-24  9:40                 ` David Greaves
2007-10-24 20:22                 ` Bill Davidsen
2007-10-25 16:29                   ` Doug Ledford
2007-11-01 21:02                 ` H. Peter Anvin
2007-11-02 15:50                   ` Doug Ledford
2007-10-24  0:36             ` Doug Ledford
2007-10-23 23:18           ` Bill Davidsen
2007-10-19 16:34     ` Justin Piszcz
2007-10-23 23:19       ` Bill Davidsen

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