From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phillip Susi Subject: Re: The chunk size paradox Date: Thu, 02 Jan 2014 11:31:36 -0500 Message-ID: <52C59468.6080200@ubuntu.com> References: <52C1C01A.7010407@ubuntu.com> <52C57C7B.80400@shiftmail.org> <52C588A7.6010207@hardwarefreak.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <52C588A7.6010207@hardwarefreak.com> Sender: linux-raid-owner@vger.kernel.org To: stan@hardwarefreak.com, joystick Cc: linux-raid List-Id: linux-raid.ids -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 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. CD-ROM type drives have always used 2k sectors. Also filesystem blocks and memory pages aren't necessarily 4K, though that is the most common size. > read the data chunk of the stripe in which the 4 sectors of the > 4KB You mean 8 sectors, assuming you're still talking about 512 byte sectors. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (MingW32) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJSxZRoAAoJEI5FoCIzSKrwCGUH/i7LbqjiCAxXo4to5mrNOKyj 3MlfRXyihoo0v78LNPZg5nX7toqEWD/E+kc+HxHPdQKAEkxFqVcgT7S+VA2Zoi59 /F2jFHFE+ZSI6szAkt1FiGsYR/SQ3bkAC2L078keZ0i1gaO6ZUov/4rdw5cTf+TG pUZk6Kwqr1uNRaPIVRhvMUy9+qCnTOKJ/65/XvesIGDoTIZTcCMitbxLduPd7nkr iZaiWv7HNrWba7WVPbD2SGKpkAUiE61F1+8nobeslYrWuD8w2QrNFfw1tA+2ScuB b3lqdXnLGeIX6phDuEew/kveJ/mXvIuBJtDkNN4q6Xqc8FWVDSerI2u10xrDsc8= =17Wg -----END PGP SIGNATURE-----