Todd E. Moore wrote: > > I want to disable write cache on the disk drives in our J4200 JBODs so > that fsync() actually writes to disk, not just to the cache on the drive. >
ZFS will do this for you, via the way the ZIL works. Neil explains it pretty well at http://blogs.sun.com/perrin/entry/the_lumberjack > I did this using 'format -e', but it displays a warning about the > drive being part of a zpool and also it says that the change is not > permanent. > > Is 'format -e' the right way to do this with ZFS? Is there no way to > make it permanent? In general, you don't need to do this. ZFS will send the cache flush command to the disks as needed. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss