From: Joe Landman <joe.landman@gmail.com>
To: stan@hardwarefreak.com, Phillip Susi <psusi@ubuntu.com>,
joystick <joystick@shiftmail.org>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: The chunk size paradox
Date: Thu, 02 Jan 2014 14:21:12 -0500 [thread overview]
Message-ID: <52C5BC28.2020003@gmail.com> (raw)
In-Reply-To: <52C5A9AA.9090300@hardwarefreak.com>
On 01/02/2014 01:02 PM, Stan Hoeppner wrote:
> On 1/2/2014 10:31 AM, Phillip Susi wrote:
>> On 1/2/2014 10:41 AM, Stan Hoeppner wrote:
>>> First, there is no such thing as a 4K sector in Linux. Sectors are
>>> 512 bytes. Filesystem blocks and memory pages are 4K.
>>
>> Of course there is. Disks with 4k sectors are becoming more and more
>> popular.
>
> Please read: https://en.wikipedia.org/wiki/Advanced_Format
>
> There are no native 4K sector drives on the market. Linux does not
Untrue.
http://storage.toshiba.eu/cms/en/hdd/hard_disk_drives/product_detail.jsp?productid=452
http://www.seagate.com/www-content/product-content/constellation-fam/constellation-cs/en-us/docs/terascale-hdd-data-sheet-ds1793-1-1306us.pdf
and many others.
512 byte sector native drives are now far less common, with many of the
drives being native 4096 bytes with a translation layer for legacy
systems that require 512 bytes. This is infamous for wreaking havoc
with alignment.
next prev parent reply other threads:[~2014-01-02 19:21 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-30 18:48 The chunk size paradox Phillip Susi
2013-12-30 23:38 ` Peter Grandi
2013-12-31 0:01 ` Wolfgang Denk
2013-12-31 13:51 ` David Brown
2014-01-02 20:08 ` Phillip Susi
2014-01-02 14:49 ` joystick
2014-01-02 15:24 ` Phillip Susi
2014-01-02 15:41 ` Stan Hoeppner
2014-01-02 16:31 ` Phillip Susi
2014-01-02 18:02 ` Stan Hoeppner
2014-01-02 19:10 ` Phillip Susi
2014-01-02 22:49 ` Peter Grandi
2014-01-02 23:16 ` Stan Hoeppner
2014-01-03 1:02 ` Phillip Susi
2014-01-02 19:21 ` Joe Landman [this message]
2014-01-02 22:42 ` Stan Hoeppner
2014-01-02 22:56 ` Carsten Aulbert
2014-01-03 0:19 ` Phillip Susi
2014-01-03 1:24 ` Stan Hoeppner
2014-01-03 3:14 ` Joe Landman
2014-01-03 3:19 ` Stan Hoeppner
2014-01-03 4:24 ` Stan Hoeppner
2014-01-02 23:22 ` Peter Grandi
2014-01-03 3:09 ` Joe Landman
2014-01-03 4:58 ` Joe Landman
2014-01-02 22:32 ` Wolfgang Denk
2014-01-03 14:51 ` Benjamin ESTRABAUD
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=52C5BC28.2020003@gmail.com \
--to=joe.landman@gmail.com \
--cc=joystick@shiftmail.org \
--cc=linux-raid@vger.kernel.org \
--cc=psusi@ubuntu.com \
--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.