I have set up a small box to work with zfs. (2x 2.4GHz
xeons, 4GB memory, 6x scsi disks) I made one drive the boot
drive and put the other five into a pool with the "zpool
create tank" command right out of the admin manual.
The administration experience has been very nice and most
everythi
On Fri, 22 Sep 2006, johansen wrote:
ZFS uses a 128k block size. If you change dd to use a
bs=128k, do you observe any performance improvement?
I had tried other sizes with much the same results, but
hadnt gone as large as 128K. With bs=128K, it gets worse:
| # time dd if=zeros-10g of=/de
On Fri, 22 Sep 2006, [EMAIL PROTECTED] wrote:
Are you just trying to measure ZFS's read performance here?
That is what I started looking at. We scrounged around
and found a set of 300GB drives to replace the old ones we
started with. Comparing these new drives to the old ones:
Old 36GB dr
On Mon, 25 Sep 2006, Roch wrote:
This looks like on the second run, you had lots more free
memory and mkfile completed near memcpy speed.
Both times the system was near idle.
Something is awry on the first pass though. Then,
zpool iostat 1
can put some lights on this. IO will kee
