immense delayed write to file system (ZFS and UFS2), performance issues

[Gerrit Kühn]

On Mon, 18 Jan 2010 21:41:53 -0500 Garrett Moore <garrettmoore at gmail.com>
wrote about Re: immense delayed write to file system (ZFS and UFS2),
performance issues:

GM> The drives being discussed in my related thread (regarding poor
GM> performance) are all WD Green drives. I have used wdidle3 to set all
GM> of my drive timeouts to 5 minutes. I'll see what sort of difference
GM> this makes for performance.

GM> Even if it makes no difference to performance, thank you for pointing
GM> it out
GM> -- my drives have less than 2,000 hours on them and were all over
GM> 90,000 load cycles due to this moronic factory setting. Since changing
GM> the timeout, they haven't parked (which is what I would expect).

Thanks for bringing up this topic here. I have drives showing up close to
800000 load cycle counts here. Guess it's time for that fix... :-|


cu
  Gerrit