On Sun, Jun 12, 2011 at 03:02:48PM -0400, John Lindgren wrote:
> I noticed blkid causing a noticeable amount of disk hits while
> identifying an NTFS (Win7) partition, and did an strace to find out why
> this was. It seems that the probe_zfs() function does a
> seek-and-read-41-bytes pattern 64 times in the 130 to 520 KB region of
> the partition.
Is it really so big problem on traditional HDDs?
> This of course is slow on a traditional hard disk, and
> seems excessive. I don't know the internals of NTFS or of ZFS. Can
> someone with a little more knowledge in this area provide some pointers
> as to why this might be happening?
CC: Andreas who is the code (co)author.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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