Re: [zfs-discuss] Strange burstiness in write speed with a mirror

2008-08-06 Thread Bob Friesenhahn
On Wed, 6 Aug 2008, Will Murnane wrote: > I've got a pool which I'm currently syncing a few hundred gigabytes to > using rsync. The source machine is pretty slow, so it only goes at > about 20 MB/s. Watching "zpool iostat -v local-space 10", I see a > pattern like this (trimmed to take up less s

[zfs-discuss] Strange burstiness in write speed with a mirror

2008-08-06 Thread Will Murnane
I've got a pool which I'm currently syncing a few hundred gigabytes to using rsync. The source machine is pretty slow, so it only goes at about 20 MB/s. Watching "zpool iostat -v local-space 10", I see a pattern like this (trimmed to take up less space): capacity operations