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PG: add a config option to enable (by default) recovery below min_size

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This may be useful at some point.

Signed-off-by: Samuel Just <sjust@redhat.com>
This commit is contained in:
Samuel Just 2015-02-17 10:06:19 -08:00
parent 1fa74bee3f
commit 1d0d3dc8db
2 changed files with 6 additions and 1 deletions
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4
src/common/config_opts.h
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@ -505,6 +505,10 @@ OPTION(osd_erasure_code_plugins, OPT_STR,
" isa"
#endif
) // list of erasure code plugins
// Allows the "peered" state for recovery and backfill below min_size
OPTION(osd_allow_recovery_below_min_size, OPT_BOOL, true)
OPTION(osd_pool_default_flags, OPT_INT, 0) // default flags for new pools
OPTION(osd_pool_default_flag_hashpspool, OPT_BOOL, true) // use new pg hashing to prevent pool/pg overlap
OPTION(osd_pool_default_flag_nodelete, OPT_BOOL, false) // pool can't be deleted

3
src/osd/PG.cc
View File

@ -1312,7 +1312,8 @@ bool PG::choose_acting(pg_shard_t &auth_log_shard_id)
// Otherwise, we will go "peered", but not "active"
if (num_want_acting < pool.info.min_size &&
(pool.info.ec_pool() ||
!(get_min_peer_features() & CEPH_FEATURE_OSD_MIN_SIZE_RECOVERY))) {
(!(get_min_peer_features() & CEPH_FEATURE_OSD_MIN_SIZE_RECOVERY)) ||
!cct->_conf->osd_allow_recovery_below_min_size)) {
want_acting.clear();
dout(10) << "choose_acting failed, below min size" << dendl;
return false;