On Fri, 1 Nov 2013, [email protected] wrote:
+ Implement new things. Some ideas I have had:
+ GEOM "ERASE" - Rewrite deletes into random writes.
+ GEOM "PLUG" - Persistent version of the connect/disconnect verbs
where the flag sits in the class metadata. This might be a cleaner
approach, rather than adding the verbs to all the existing
providers.
+ GEOM "TAP" - Allow userspace processes to hook into the GEOM
API. Intended for debugging and development.
+ GEOM "WCACHE" - Allow you to use small, fast provider as a buffer
for a larger, slower provider.
+ GEOM DTrace provider. Provide GEOM specific probes to complement
the IO provider.
+ Probably other bits I can't remember right now.
How about an explicit geom retaste command? "true > /dev/ada0" is
misleading to the reader.
Also, a RAM-cached version of gmirror that would report writes finished
as soon as the faster drive finishes. Kind of the opposite of the
WCACHE above. This would permit creating mirrors of an SSD and hard
drive without performance loss, at least up until available write
buffer space runs out. This one may not be so easy.
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