On Wed, Jan 14, 2009 at 2:48 PM, Miles Nordin <car...@ivy.net> wrote:
> but, the write cache on/offness is a stateful setting stored on the > disk platter, right? so it survives reboots of the disk, and ZFS > doesn't turn it off, and UFS arguably should turn it off but > doesn't---once you've dedicated a disk to ZFS, you have to turn the > write cache off yourself somehow using 'format -e' if you are no > longer using a disk for ZFS only. Or am I remembering wrong? > ZFS does turn it off if it doesn't have the whole disk. That's where the performance issues come from. --Tim
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