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From: Bill Davidsen <davidsen@tmr.com>
To: Andargor The Wise <andargor@yahoo.com>
Cc: "Callahan, Tom" <CallahanT@tessco.com>, linux-raid@vger.kernel.org
Subject: Re: First RAID Setup
Date: Thu, 22 Dec 2005 09:27:29 -0500	[thread overview]
Message-ID: <43AAB7D1.8090400@tmr.com> (raw)
In-Reply-To: <20051218220831.77225.qmail@web54606.mail.yahoo.com>

Andargor The Wise wrote:

>Yet another thing, someone has suggested that I should
>increase the chunk size for my RAID5 from 32 to either
>64 or 128.
>
>Is it worth it, considering that the system doesn't
>normally run on a heavy load? Mail for a few users,
>some read-only database applications, website, etc.
>Mostly a development machine.
>  
>

Can't think of a case where it's not worth having better performance... 
I should write a WP on stripe size, and what happens as you change it 
with given loads.

>Would this alleviate the "pauses" during large file
>transfers/copies that I have indicated in my previous
>post?
>
>I'm asking because backing up ~176 GB, reconfiguring
>the RAID, and restoring it properly so the machine
>boots (the RAID5 is /) is quite a PITA.
>

You may have some special case, but I would never put data that large in 
/ just as a system admin issue. It makes backups and restores, as well 
as upgrades quite unpleasant. I guess you may have noticed that by now 
;-) Good luck!

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


  reply	other threads:[~2005-12-22 14:27 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-15 20:37 First RAID Setup Callahan, Tom
2005-12-17  0:00 ` Andargor The Wise
2005-12-17  2:01   ` Andargor The Wise
2005-12-18 22:08     ` Andargor The Wise
2005-12-22 14:27       ` Bill Davidsen [this message]
2005-12-22 15:00         ` Andargor The Wise
  -- strict thread matches above, loose matches on Subject: below --
2005-12-22 17:03 Andrew Burgess
2005-12-15 21:46 Callahan, Tom
2005-12-15 20:02 Callahan, Tom
2005-12-15 20:22 ` Andargor The Wise
2005-12-15 20:46 ` Brad Campbell
2005-12-15 21:31   ` Tobias Hofmann
2005-12-16  1:51     ` Max Waterman
2005-12-16  8:01       ` Tobias Hofmann
2005-12-16  1:53     ` Neil Brown
2005-12-16  8:08       ` Tobias Hofmann
2005-12-19  1:02         ` Neil Brown
2005-12-19  9:03           ` Max Waterman
2005-12-16  8:42       ` Gordon Henderson
2005-12-22 14:20   ` Bill Davidsen
2005-12-22 14:24     ` Mattias Wadenstein
2005-12-15 19:35 Callahan, Tom
2005-12-15 19:44 ` Andargor The Wise
2005-12-22 14:00 ` Bill Davidsen
2005-12-15 19:09 Andargor The Wise

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