Thread (28 messages) 28 messages, 11 authors, 2007-03-13

Re: impact of 4k sector size on the IO & FS stack

From: Jan Engelhardt <hidden>
Date: 2007-03-11 23:16:21
Also in: linux-fsdevel, linux-scsi

On Mar 11 2007 18:51, Ric Wheeler wrote:
During the recent IO/FS workshop, we spoke briefly about the
coming change to a 4k sector size for disks on linux. If I
recall correctly, the general feeling was that the impact was
not significant since we already do most file system IO in 4k
page sizes and should be fine as long as we partition drives
correctly and avoid non-4k aligned partitions.
Sorry about jumping right in, but what about an 'old-style'
partition table that relies on 512 as a unit?
Are there other concerns in the IO or FS stack that we should
bring up with vendors?  I have been asked to summarize the
impact of 4k sectors on linux for a disk vendor gathering and
want to make sure that I put all of our linux specific items
into that summary...
Jan
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