diff options
| author | Dan Lambright <dlambrig@redhat.com> | 2015-10-05 19:52:02 +0000 |
|---|---|---|
| committer | Dan Lambright <dlambrig@redhat.com> | 2015-10-21 15:44:35 -0700 |
| commit | 36974c36fa4231df3f0e9428a9da6d1aa33348ab (patch) | |
| tree | cbd0c604e4f4fdcd39dbeef2f2713b3d494957f6 /xlators/cluster/dht/src/dht-common.h | |
| parent | 802b24d4d9da09dfb1479eb54bd4a74f678bc97e (diff) | |
cluster/tier: add pause tier for snapshots
Snaps of tiered volumes cannot handle files undergoing migration.
We implement a helper mechanism to "pause" migration. Any files
undergoing migration are aborted. Clean up is done to remove
sticky bits and data at the destination. Migration is restarted
after snap completes.
For testing an internal switch is added. It is not exposed externally.
gluster volume set vol1 tier-pause [true|false]
Change-Id: Ia85bbf89ac142e9b7e73fcbef98bb9da86097799
BUG: 1267950
Signed-off-by: Dan Lambright <dlambrig@redhat.com>
Reviewed-on: http://review.gluster.org/12304
Reviewed-by: N Balachandran <nbalacha@redhat.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Diffstat (limited to 'xlators/cluster/dht/src/dht-common.h')
| -rw-r--r-- | xlators/cluster/dht/src/dht-common.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h index 95ca7067806..6483b2e86d7 100644 --- a/xlators/cluster/dht/src/dht-common.h +++ b/xlators/cluster/dht/src/dht-common.h @@ -293,7 +293,8 @@ enum gf_defrag_type { GF_DEFRAG_CMD_STATUS_TIER = 1 + 6, GF_DEFRAG_CMD_START_DETACH_TIER = 1 + 7, GF_DEFRAG_CMD_STOP_DETACH_TIER = 1 + 8, - + GF_DEFRAG_CMD_PAUSE_TIER = 1 + 9, + GF_DEFRAG_CMD_RESUME_TIER = 1 + 10, }; typedef enum gf_defrag_type gf_defrag_type; @@ -353,6 +354,8 @@ typedef struct gf_tier_conf { int tier_demote_frequency; uint64_t st_last_promoted_size; uint64_t st_last_demoted_size; + int request_pause; + gf_boolean_t paused; } gf_tier_conf_t; struct gf_defrag_info_ { @@ -982,6 +985,12 @@ int gf_defrag_status_get (gf_defrag_info_t *defrag, dict_t *dict); int +gf_defrag_pause_tier (xlator_t *this, gf_defrag_info_t *defrag); + +int +gf_defrag_resume_tier (xlator_t *this, gf_defrag_info_t *defrag); + +int gf_defrag_start_detach_tier (gf_defrag_info_t *defrag); int |