linux-kernel - Re: very big device. try to use READ CAPACITY(16)

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Date:	Wed, 25 Jul 2007 17:12:55 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Arkadiusz Miskiewicz <arekm@...en.pl>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: very big device. try to use READ CAPACITY(16)

Arkadiusz Miskiewicz wrote:
> Hello,
> 
> What does "very big device. try to use READ CAPACITY(16)" mean for user? Is 
> this advice for driver developer or for user (if for user then what does it 
> mean exactly) ?

It isn't really advice at all, just indicates that the sd driver needed 
to use the bigger version of READ CAPACITY for that device. It looks 
like that message has now been reworded to "trying to use" instead of 
"try to use", so it doesn't sound like it's saying the user has to do 
something.

> 
> 
> sdc : very big device. try to use READ CAPACITY(16).
> SCSI device sdc: 4823210240 512-byte hdwr sectors (2469484 MB)
> sdc: Write Protect is off
> sdc: Mode Sense: 00 12 00 00
> SCSI device sdc: write cache: enabled, read cache: enabled, doesn't support 
> DPO or FUA
> sdc : very big device. try to use READ CAPACITY(16).
> SCSI device sdc: 4823210240 512-byte hdwr sectors (2469484 MB)
> sdc: Write Protect is off
> sdc: Mode Sense: 00 12 00 00
> SCSI device sdc: write cache: enabled, read cache: enabled, doesn't support 
> DPO or FUA
>  sdc: unknown partition table
> sd 0:2:0:0: Attached scsi disk sdc
> 
> 2.6.21.6, stex driver
> 

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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