From: Mark Lord <kernel@teksavvy.com>
To: Stan Hoeppner <stan@hardwarefreak.com>
Cc: IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: WD20EARS: finally reporting 4KByte sector size!
Date: Wed, 18 May 2011 19:19:57 -0400 [thread overview]
Message-ID: <4DD4541D.9090606@teksavvy.com> (raw)
In-Reply-To: <4DD44B9C.1050809@hardwarefreak.com>
On 11-05-18 06:43 PM, Stan Hoeppner wrote:
> On 5/15/2011 10:54 PM, Mark Lord wrote:
>> I picked up my third WD 2TB "Green" drive today,
>> and lo and behold.. the firmware (51.0AB51) actually
>> reports the real physical sector size (finally!).
>
>> Logical Sector size: 512 bytes
>> Physical Sector size: 4096 bytes
>
> What is the positive significance of this change? What does this
> materially change for the better?
Filesystems in the kernel can auto-align themselves for performance,
and I noticed that "fdisk" saw the 4KB sector size and adjusted itself
to put sector-1 at offset 64 instead of offset 63, saving me the trouble.
-ml
prev parent reply other threads:[~2011-05-18 23:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-16 3:54 WD20EARS: finally reporting 4KByte sector size! Mark Lord
2011-05-16 18:27 ` Bjørn Mork
2011-05-18 19:13 ` Mark Lord
2011-05-18 22:43 ` Stan Hoeppner
2011-05-18 23:19 ` Mark Lord [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4DD4541D.9090606@teksavvy.com \
--to=kernel@teksavvy.com \
--cc=linux-ide@vger.kernel.org \
--cc=stan@hardwarefreak.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.