Hm - a ZilArc??
Or, slarc?
Or L2ArZi
I'm tried something sort of similar to this when fooling around, adding
different *slices* for ZIL / L2ARC but as I'm too poor to afford good
SSD's my resolut was poor at beat... ;)
Having ZFS manage some 'arbitrary fast stuff' and sorting out it's own
ZIL and L2ARC would be interesting, though, given the propensity for
SSD's to be either fast read or fast write at the moment, you may well
require some whacky knobs to get it to do what you actually want it to...
hm.
Nathan.
Bill Sommerfeld wrote:
On Wed, 2009-03-04 at 12:49 -0800, Richard Elling wrote:
But I'm curious as to why you would want to put both the slog and
L2ARC on the same SSD?
Reducing part count in a small system.
For instance: adding L2ARC+slog to a laptop. I might only have one slot
free to allocate to ssd.
IMHO the right administrative interface for this is for zpool to allow
you to add the same device to a pool as both cache and ssd, and let zfs
figure out how to not step on itself when allocating blocks.
- Bill
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