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opensm SA DB dump/restore: SA DB persistence

Yevgeny Kliteynik linux-rdma 3 versions – Applied

Status from this message: Applied. Thanks.

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  1. v3 Latest2 patches 2 repliesApplied
  2. v23 patches 12 repliesSuperseded
  3. v13 patches 0 repliesSuperseded

Patches in v3 Applied

#Subject and filesSizeRepliesApplied
1/2opensm SA DB dump/restore: load SA DB only onceopensm/opensm/osm_sa.c+17 -21 reply
2/2opensm SA DB dump/restore: added option to dump SA DB on every sweepopensm/include/opensm/osm_subnet.h opensm/opensm/osm_state_mgr.c opensm/opensm/osm_subnet.c+17 -11 reply

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Cover letter [PATCH 0/2 v3] opensm SA DB dump/restore: SA DB persistence

Hi Sasha,

OSM can dump SA DB, but it is done every heavy sweep, and only when running with high verbosity, which cannot be used in production.
OSM can also load SA DB from file, but then it also stays in this static SA configuration.

The following patch series improves SA DB persistence:

1/2: Added option to load SA DB only on the first master
heavy sweep. After that SA goes to the usual (dynamic) mode of operation.
- Changes since v2: No 'sa_db_load_once' option, changed behavior of 'no_clients_rereg' option (details in the patch)

2/2: Added option to dump SA DB on every sweep (both light
and heavy), regardless of the verbosity level.
- Changes since v2: none, just rebased

-- Yevgeny

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