ZFS doing background writes?

[Steven Hartland]

yes exactly that its defined by vfs.zfs.txg.timeout.

On 16/03/2015 23:09, Dirk E wrote:
> I'm curious now; does ZFS do any I/O on the background?
>
> Because i'm getting periodic writes from ZFS to my disks, beginning right after i import the pool.
>
> Even going to single user mode does not help; zpool iostat -v 1 still shows the writes with static 5 second interval.
>
> What would cause this behaviour? I encountered it with both 10.1-RELEASE and a very recent HEAD.
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