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Re: 4k sector drives

To: xfs@xxxxxxxxxxx
Subject: Re: 4k sector drives
From: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
Date: Fri, 23 Jul 2010 05:42:59 -0500
In-reply-to: <20100723095832.GA23174@xxxxxxxxxxxxx>
References: <201007211333.48363.eye.of.the.8eholder@xxxxxxxxx> <201007230809.28111@xxxxxx> <20100723095832.GA23174@xxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6
Christoph Hellwig put forth on 7/23/2010 4:58 AM:

> What values do the files
> 
>       /sys/block/<device>/queue/logical_block_size
>       /sys/block/<device>/queue/physical_block_size
>       /sys/block/<device>/alignment_offset
> 
> say about your disk?

FWIW, for comparison, my 500GB Blue series WD5000AAKS-00V1A0 shows

logical_block_size      512
physical_block_size     512
alignment_offset        0

-- 
Stan

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