Thank you, Darren and Richard. I think this gives what I wanted. Yi
On Mon, Feb 15, 2010 at 3:13 PM, Darren J Moffat <darren.mof...@sun.com> wrote: > On 15/02/2010 19:15, Yi Zhang wrote: >>> >>> Can you create a zvol and use that for ufs? Slow, but ... >>> >>> Casper >>> >>> >> >> Casper, thanks for the tip! Actually I'm not sure if this would work >> for me. I wanted to use directio to bypass the file system cache when >> reading/writing files. That's why I chose UFS instead of ZFS. Now if I >> create UFS on top of zvol, I'm not sure if a call to directio() would >> actually do its work... > > Why not just use ZFS and set the similar options on the ZFS dataset: > zfs set primarycache=metadata <datasetname> > > That is a close approximation to the UFS feature of directio() for bypassing > storing the data in the filesystem cache. > > -- > Darren J Moffat > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss