On 28/06/2007, at 12:29 AM, Victor Latushkin wrote:
It is not so easy to predict. ZFS will coalesce writes. A single
transaction
group may have many different writes in it. Also, raidz[12] is
dynamic, and
will use what it needs, unlike separate volume managers who do not
have any
understanding of the context of the data.
There is a good slide which illustrates how stripe width is
selected dynamically in RAID-Z. Please see slide 13 in this slide
deck:
http://www.snia.org/events/past/sdc2006/zfs_File_Systems-bonwick-
moore.pdf
[...]
Btw, I believe there's no link to this presentation on
opensolaris.org. unfortunately...
Indeed. Is there any reason that the presentation at http://
www.opensolaris.org/os/community/zfs/docs/zfs_last.pdf
Couldn't be updated to the one that Victor mentions?
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