From: Michael Monnerie <michael.monnerie@is.it-management.at>
To: xfs@oss.sgi.com
Subject: Re: LWN article: 4K disk sectors
Date: Thu, 12 Mar 2009 14:52:16 +0100 [thread overview]
Message-ID: <200903121452.16419@zmi.at> (raw)
In-Reply-To: <49B909CC.7080402@sandeen.net>
On Donnerstag 12 März 2009 Eric Sandeen wrote:
> Take a look at the mkfs.xfs man page:
>
> -s sector_size
> This option specifies the fundamental sector size of
> the filesystem. The sector_size is specified either as
> a value in bytes with size=value or as a base two loga-
> rithm value with log=value. The default sector_size is
> 512 bytes. The minimum value for sector size is 512;
> the maximum is 32768 (32 KiB). The sector_size must be
> a power of 2 size and cannot be made larger than the
> filesystem block size.
Ugh, I felt so good this morning, until you responded ... ;-)
I thought that it's a limitation of the Linux kernel in more parts than
just the filesystem (like block cache), that sector sizes must be 512B.
If I had a 4K drive, would that be usable with XFS already?
mfg zmi
--
// Michael Monnerie, Ing.BSc ----- http://it-management.at
// Tel: 0660 / 415 65 31 .network.your.ideas.
// PGP Key: "curl -s http://zmi.at/zmi.asc | gpg --import"
// Fingerprint: AC19 F9D5 36ED CD8A EF38 500E CE14 91F7 1C12 09B4
// Keyserver: wwwkeys.eu.pgp.net Key-ID: 1C1209B4
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2009-03-12 13:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-12 11:58 LWN article: 4K disk sectors Michael Monnerie
2009-03-12 13:10 ` Eric Sandeen
2009-03-12 13:52 ` Michael Monnerie [this message]
2009-03-12 14:17 ` Martin Steigerwald
2009-03-12 15:03 ` Eric Sandeen
2009-03-14 19:10 ` Martin Steigerwald
2009-03-12 14:23 ` Martin K. Petersen
2009-03-12 14:58 ` Eric Sandeen
2009-03-14 15:26 ` Christoph Hellwig
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=200903121452.16419@zmi.at \
--to=michael.monnerie@is.it-management.at \
--cc=xfs@oss.sgi.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox