On 9/12/07, Mike DeMarco <[EMAIL PROTECTED]> wrote: > Striping several disks together with a stripe width that is tuned for your > data > model is how you could get your performance up. Stripping has been left out > of the ZFS model for some reason. Where it is true that RAIDZ will stripe > the data across a given drive set it does not give you the option to tune the > stripe width. Do to the write performance problems of RAIDZ you may not > get a performance boost from it stripping if your write to read ratio is too > high since the driver has to calculate parity for each write.
I am not sure why you think striping has been left out of the ZFS model. If you create a ZFS pool without the "raidz" or "mirror" keywords, the pool will be striped. Also, the "recordsize" tunable can be useful for matching up application I/O to physical I/O. Thanks, - Ryan -- UNIX Administrator http://prefetch.net _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
