Optimizing performance with SLOG/L2ARC
Bob Friesenhahn
bfriesen at simple.dallas.tx.us
Wed Aug 19 16:14:27 UTC 2015
On Wed, 19 Aug 2015, PK1048 wrote:
>
> I have seen the RAM based battery-backed-up drives, and some are not
> even ludicrous in terms of price, but I did not see any with FreeBSD
> driver support. Since they are generally PCIe based (for speed),
> drives are needed.
RAID-oriented HBAs often offer battery-backed SRAM support. One would
think that using one of these with a single attached SSD should serve
as a lower-latency zil than the SSD itself. Driver support is then
readily available.
Bob
--
Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
More information about the freebsd-fs
mailing list