Re: [zfs-discuss] ZFS: unreliable for professional usage?

2009-02-10 Thread Charles Binford
DE - could you please post the output of your 'zpool umount usbhdd1' command? I believe the output will prove useful to the point being discussed below. Charles D. Eckert wrote: > (...) > You don't move a pool with 'zfs umount', that only unmounts a single zfs > filesystem within a pool, but the

Re: [zfs-discuss] ZFS: unreliable for professional usage?

2009-02-10 Thread Charles Binford
Jeff, what do you mean by "disks that simply blow off write ordering."? My experience is that most enterprise disks are some flavor of SCSI, and host SCSI drivers almost ALWAYS use simple queue tags, implying the target is free to re-order the commands for performance. Are talking about something