linux-ext4 - Re: 64k Page size + ext3 errors

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Message-ID: <e9c3a7c20807280104r33da4b85l8e1bff7ba91e0335@mail.gmail.com>
Date:	Mon, 28 Jul 2008 01:04:39 -0700
From:	"Dan Williams" <dan.j.williams@...el.com>
To:	sandeen@...deen.net
Cc:	"tirumalareddy marri" <tirumalareddymarri@...oo.com>,
	linux-raid@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: 64k Page size + ext3 errors

On Sun, Jul 27, 2008 at 6:52 PM,  <sandeen@...deen.net> wrote:
>> I am using HW accelerated XOR engine for RAID-5 . I am seeing EXT3-fs
>> errors when I use 64K page size. When I use 4K page size I don't see any
>> issue. As many of you know, we will get better performance when we store
>> bigger files like videos.
>
> Do you think it is specific to the filesystem on raid-5?  Have you tested
> w/o md?  I'd be a little surprised if the problem is at the raid layer (so
> cc'ing the ext3/4 list), but maybe you tested that already.
>
> Which arch is it, and which kernel?  How big is the filesystem?  With full
> geometry information it might be easier for someone to reproduce & debug.
>

Marri, can you post your XOR driver the problem may be there.

Thanks,
Dan
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