Re: [zfs-discuss] ZFS and aging

2008-12-17 Thread Thanos McAtos
I followed Anton's idea but didn't see any difference. My tests were repetitive PostMark runs, and each run was different. For instance, I didn't let PostMark delete the files once it finished, deleted the odd numbered ones by hand, put the rest in a different directory, re-run PostMark that fa

[zfs-discuss] ZFS and aging

2008-12-15 Thread Thanos McAtos
Hello all. I'm doing a course project to evaluate recovery time of RAID-Z. One of my tests is to examine the impact of aging on recovery speed. I've used PostMark to stress the file-system but I didn't observe any noticeable slowdown. Is there a better way to "age" a ZFS file-system? Does ZFS