> I had a feeling someone would bring up L2ARC/cache devices. This gives > me the opportunity to ask something that's been on my mind for quite > some time now: > > Aside from the capacity different (e.g. 40GB vs. 1GB), is there a > benefit to using a dedicated RAM disk (e.g. md(4)) to a pool for > L2ARC/cache? The ZFS documentation explicitly states that cache > device content is considered volatile.
Using a ramdisk as an L2ARC vdev doesn't make any sense at all. If you have RAM to spare, it should be used by regular ARC. - Sincerely, Dan Naumov _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
