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Re: mkfs.xfs states log stripe unit is too large

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: mkfs.xfs states log stripe unit is too large
From: Eric Sandeen <sandeen@xxxxxxxxxx>
Date: Tue, 26 Jun 2012 22:06:28 -0400
Cc: Ingo Jürgensmann <ij@xxxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20120626023059.GC19223@dastard>
References: <D3F781FA-CEB0-4896-9441-772A9E533354@xxxxxxxxxxxxxxxxxx> <20120623234445.GZ19223@dastard> <4FE67970.2030008@xxxxxxxxxxx> <4FE710B7.5010704@xxxxxxxxxxxxxxxxx> <d71834a062ffd666ab53a4695eb643e9@xxxxxxxxxxxxxxxxxxxx> <20120626023059.GC19223@dastard>
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On 6/25/12 10:30 PM, Dave Chinner wrote:

...

> Without the warning, nobody would have noticed this. I think the
> warning has value - even if it is just to indicate MD now uses a
> bad default value for common workloads..

Fair enough.

log stripe unit (524288 bytes) is too large (maximum is 256KiB)
log stripe unit adjusted to 32KiB

It just tweaked me a little to complain about something the user didn't 
specify, but thinking about it from the perspective of letting the user know 
that the _device_ has a stripe unit larger than xfs can handle makes sense.

-Eric

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