Re: Help with low raid5 performance

To: Peter Kerwien <peter%kerwien.homeip.net@localhost>
Subject: Re: Help with low raid5 performance
From: Thor Lancelot Simon <tls%panix.com@localhost>
Date: Fri, 12 Nov 2010 21:31:25 -0500

On Fri, Nov 12, 2010 at 11:14:20PM +0100, Peter Kerwien wrote:
> Any comments on the following:
> 
> Same disks, HW but different OS and filesystem: Linux Mint 10 (amd64)
> with mdadm created raid-5 and ext4. Chunk size = 32KB, block size = 4KB,
> stride size = 8 blocks = 32KB.

Something's probably terribly misaligned to the RAID stripe size on the
NetBSD system.

THor

References:
- Help with low raid5 performance
  - From: Peter Kerwien
- Re: Help with low raid5 performance
  - From: Juergen Hannken-Illjes
- Re: Help with low raid5 performance
  - From: Peter Kerwien
- Re: Help with low raid5 performance
  - From: Michael van Elst
- Re: Help with low raid5 performance
  - From: Peter Kerwien
- Re: Help with low raid5 performance
  - From: Chuck Swiger
- Re: Help with low raid5 performance
  - From: Peter Kerwien

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