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Re: 4k sector drives

To: Matthias Schniedermeyer <ms@xxxxxxx>
Subject: Re: 4k sector drives
From: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Date: Fri, 23 Jul 2010 15:50:34 +0200
Cc: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20100723133843.GA3397@xxxxxxx>
Organization: Intellique
References: <201007211333.48363.eye.of.the.8eholder@xxxxxxxxx> <201007230809.28111@xxxxxx> <20100723095832.GA23174@xxxxxxxxxxxxx> <201007231259.11714@xxxxxx> <4C4994CB.2050200@xxxxxxxxxxxxxxxxx> <20100723133843.GA3397@xxxxxxx>
Le Fri, 23 Jul 2010 15:38:43 +0200
Matthias Schniedermeyer <ms@xxxxxxx> écrivait:

> Only for writes, reads are for practically unaffected.

Sequential writes may be relatively unaffected too; if you write
sequentially a couple of megabytes you'll have only a couple of
additional blocks at the beginning and end of operation.

However random  and small IOs should be seriously hit.

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