On 19/08/2011 03:28, Yuri wrote:
Following instructions here
(http://ivoras.net/blog/tree/2011-01-01.freebsd-on-4k-sector-drives.html) I
destroyed my previous ZFS pool with 512 byte sectors and did this:
gnop create -S 4096 /dev/ad4
zpool create mypool /dev/ad4.nop
zpol create mypool/mydir
zpool export mypool
gnop destroy /dev/ad4.nop
zpool import mypool
Now this command 'zdb -C data | grep ashift' shows ashift=12 (4096 byte
sectors).
However, when I begin to copy a lot of files files into /mypool/mydir
online radio player gets severely affected. Sound get interrupted all
the time. Itrettuptions stop after 1-2 secs after I stop copying.
This didn't happen with sector size 512 bytes.
What is wrong?
Which version of FreeBSD are you doing this on?
Do you have any non-default tuning?
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