[DRBD-announce] drbd-9.0.2

Philipp Reisner philipp.reisner at linbit.com
Tue Apr 19 23:55:26 CEST 2016


since a number of important bug-fixes accumulated in the master
branch it became necessary to tag the code base as 9.0.2.
No new features at this time.

9.0.2-1 (api:genl2/proto:86-111/transport:14)
 * Fix list walks on the transfer log; Lead to crashes in _tl_restart()
   and (sometimes) other places.
 * Fix a corner case that lead to nodes showing the disk states of
   other nodes as Outdated after resync
 * Fix waiting for barrier acks; The bug was that demoting to secondary
   after AHEAD/BEHIND may blocked forever
 * Fix WRITE_SAME support
 * Fix a possible OOPS in got_peer_ack()
 * Fix resync controller; Was always on c-min-rate
 * Fix a possible deadlock on disconnect
 * Use modern kernel's expclicit plugging to reduce number of IOPs on
   the secondary node
 * Introduce a per resource max-io-depth limit; applies to each volume
   in the resource
 * Promptly send peer_acks if we can put the last reference on an
   activity log entry. Helps the to get the AL in use on secondaries


PS: Expect the next drbd-utils release in 3 weeks from now.


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