ZFS obn FreeBSD hardware model for 48 or 96 sata3 paths...
bfriesen at simple.dallas.tx.us
Mon Sep 19 19:06:03 UTC 2011
On Mon, 19 Sep 2011, Jason Usher wrote:
> Hmmm... I understand this, but is there not any data that might
> transfer from multiple magnetic disks, simultaneously, at 6GB, that
> could periodically max out the card bandwidth ? As in, all drives
> in a 12 drive array perform an operation on their built-in cache
> simultaneously ?
The best way to deal with this is by careful zfs pool design so that
disks that can be expected to perform related operations (e.g. in same
vdev) are carefully split across interface cards and I/O channels.
This also helps with reliability.
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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