search for: discovered_direct_io

...Totals accounted for above 131072 100% >From my little table, you can see that 2% of the spinning disk is using 51% of available system memory. 98% of system disk (and where the customer important stuff is) is only consuming 2% of memory. Our block size is such that we are *not* using discovered_direct_io on the datafiles, so we should be hitting the vxfs cache a lot.. Background out of the way, I have some questions that I was hoping that the zfs guru''s out there could chime in on.. Is this a problem? solarisinternals.com ZFS Best Practices seems to indicate reducing the ARC in the p...