Hello, sorry for the delay. I was pretty busy otherwise. On 02/11/2016 03:13 PM, Jason Dillaman wrote: > Assuming the partition table is still zeroed on that image, can you run: > > # rados -p <pool name> get rbd_data.18394b3d1b58ba.0000000000000000 - | cut -b 512 | hexdump > Here's the hexdump: 0000000 0a0a 0a0a 0a00 0a00 0a0a 0a0a 0a0a 0a0a 0000010 0a0a 0a0a 0a0a 0a0a 0a0a 0a0a 0a0a 0a0a 0000020 0a0a 0a0a 0a0a 000a 0a0a 0a0a 0a0a 0a0a 0000030 0a0a 0a00 0a0a 0a0a 0a0a 0a0a 000a 0a0a 0000040 0a0a 0a0a 0a0a 0a0a 0a00 000004a > Can you also provide your pool setup: > > # ceph report --format xml 2>/dev/null | xmlstarlet sel -t -c "//osdmap/pools" > Attached you'll find the pools information. Thanks very much for looking into this. udo.
<pools><pool><pool>0</pool><pool_name>data</pool_name><flags>1</flags><flags_names>hashpspool</flags_names><type>1</type><size>3</size><min_size>2</min_size><crush_ruleset>0</crush_ruleset><object_hash>2</object_hash><pg_num>256</pg_num><pg_placement_num>256</pg_placement_num><crash_replay_interval>45</crash_replay_interval><last_change>46611</last_change><last_force_op_resend>46496</last_force_op_resend><auid>0</auid><snap_mode>selfmanaged</snap_mode><snap_seq>7</snap_seq><snap_epoch>46611</snap_epoch><pool_snaps/><removed_snaps>[1~3]</removed_snaps><quota_max_bytes>0</quota_max_bytes><quota_max_objects>0</quota_max_objects><tiers><pool_id>20</pool_id></tiers><tier_of>-1</tier_of><read_tier>20</read_tier><write_tier>20</write_tier><cache_mode>none</cache_mode><target_max_bytes>0</target_max_bytes><target_max_objects>0</target_max_objects><cache_target_dirty_ratio_micro>0</cache_target_dirty_ratio_micro><cache_target_dirty_high_ratio_micro>0</cache_target_dirty_high_ratio_micro><cache_target_full_ratio_micro>0</cache_target_full_ratio_micro><cache_min_flush_age>0</cache_min_flush_age><cache_min_evict_age>0</cache_min_evict_age><erasure_code_profile/><hit_set_params><type>none</type></hit_set_params><hit_set_period>0</hit_set_period><hit_set_count>0</hit_set_count><use_gmt_hitset>false</use_gmt_hitset><min_read_recency_for_promote>1</min_read_recency_for_promote><min_write_recency_for_promote>1</min_write_recency_for_promote><stripe_width>0</stripe_width><expected_num_objects>0</expected_num_objects><fast_read>false</fast_read></pool><pool><pool>1</pool><pool_name>metadata</pool_name><flags>1</flags><flags_names>hashpspool</flags_names><type>1</type><size>3</size><min_size>2</min_size><crush_ruleset>0</crush_ruleset><object_hash>2</object_hash><pg_num>324</pg_num><pg_placement_num>324</pg_placement_num><crash_replay_interval>0</crash_replay_interval><last_change>45947</last_change><last_force_op_resend>0</last_force_op_resend><auid>0</auid><snap_mode>selfmanaged</snap_mode><snap_seq>0</snap_seq><snap_epoch>0</snap_epoch><pool_snaps/><removed_snaps>[]</removed_snaps><quota_max_bytes>0</quota_max_bytes><quota_max_objects>0</quota_max_objects><tiers/><tier_of>-1</tier_of><read_tier>-1</read_tier><write_tier>-1</write_tier><cache_mode>none</cache_mode><target_max_bytes>0</target_max_bytes><target_max_objects>0</target_max_objects><cache_target_dirty_ratio_micro>0</cache_target_dirty_ratio_micro><cache_target_dirty_high_ratio_micro>0</cache_target_dirty_high_ratio_micro><cache_target_full_ratio_micro>0</cache_target_full_ratio_micro><cache_min_flush_age>0</cache_min_flush_age><cache_min_evict_age>0</cache_min_evict_age><erasure_code_profile/><hit_set_params><type>none</type></hit_set_params><hit_set_period>0</hit_set_period><hit_set_count>0</hit_set_count><use_gmt_hitset>false</use_gmt_hitset><min_read_recency_for_promote>1</min_read_recency_for_promote><min_write_recency_for_promote>1</min_write_recency_for_promote><stripe_width>0</stripe_width><expected_num_objects>0</expected_num_objects><fast_read>false</fast_read></pool><pool><pool>3</pool><pool_name>libvirt-pool</pool_name><flags>1</flags><flags_names>hashpspool</flags_names><type>1</type><size>3</size><min_size>2</min_size><crush_ruleset>0</crush_ruleset><object_hash>2</object_hash><pg_num>324</pg_num><pg_placement_num>324</pg_placement_num><crash_replay_interval>0</crash_replay_interval><last_change>46622</last_change><last_force_op_resend>46507</last_force_op_resend><auid>0</auid><snap_mode>selfmanaged</snap_mode><snap_seq>113</snap_seq><snap_epoch>46622</snap_epoch><pool_snaps/><removed_snaps>[1~4,6~3,a~2,d~4,12~2,1f~1,47~1,6a~4,70~2]</removed_snaps><quota_max_bytes>0</quota_max_bytes><quota_max_objects>0</quota_max_objects><tiers><pool_id>19</pool_id></tiers><tier_of>-1</tier_of><read_tier>19</read_tier><write_tier>19</write_tier><cache_mode>none</cache_mode><target_max_bytes>0</target_max_bytes><target_max_objects>0</target_max_objects><cache_target_dirty_ratio_micro>400000</cache_target_dirty_ratio_micro><cache_target_dirty_high_ratio_micro>400000</cache_target_dirty_high_ratio_micro><cache_target_full_ratio_micro>800000</cache_target_full_ratio_micro><cache_min_flush_age>0</cache_min_flush_age><cache_min_evict_age>0</cache_min_evict_age><erasure_code_profile>default</erasure_code_profile><hit_set_params><type>none</type></hit_set_params><hit_set_period>0</hit_set_period><hit_set_count>0</hit_set_count><use_gmt_hitset>false</use_gmt_hitset><min_read_recency_for_promote>1</min_read_recency_for_promote><min_write_recency_for_promote>1</min_write_recency_for_promote><stripe_width>0</stripe_width><expected_num_objects>0</expected_num_objects><fast_read>false</fast_read></pool><pool><pool>19</pool><pool_name>libvirt-pool-cache</pool_name><flags>9</flags><flags_names>hashpspool,incomplete_clones</flags_names><type>1</type><size>1</size><min_size>1</min_size><crush_ruleset>3</crush_ruleset><object_hash>2</object_hash><pg_num>100</pg_num><pg_placement_num>100</pg_placement_num><crash_replay_interval>0</crash_replay_interval><last_change>46622</last_change><last_force_op_resend>0</last_force_op_resend><auid>0</auid><snap_mode>selfmanaged</snap_mode><snap_seq>113</snap_seq><snap_epoch>46622</snap_epoch><pool_snaps/><removed_snaps>[1~4,6~3,a~2,d~4,12~2,1f~1,47~1,6a~4,70~2]</removed_snaps><quota_max_bytes>0</quota_max_bytes><quota_max_objects>0</quota_max_objects><tiers/><tier_of>3</tier_of><read_tier>-1</read_tier><write_tier>-1</write_tier><cache_mode>forward</cache_mode><target_max_bytes>0</target_max_bytes><target_max_objects>0</target_max_objects><cache_target_dirty_ratio_micro>400000</cache_target_dirty_ratio_micro><cache_target_dirty_high_ratio_micro>600000</cache_target_dirty_high_ratio_micro><cache_target_full_ratio_micro>800000</cache_target_full_ratio_micro><cache_min_flush_age>0</cache_min_flush_age><cache_min_evict_age>0</cache_min_evict_age><erasure_code_profile/><hit_set_params><type>bloom</type><false_positive_probability>0.05</false_positive_probability><target_size>0</target_size><seed>0</seed></hit_set_params><hit_set_period>3600</hit_set_period><hit_set_count>1</hit_set_count><use_gmt_hitset>false</use_gmt_hitset><min_read_recency_for_promote>1</min_read_recency_for_promote><min_write_recency_for_promote>1</min_write_recency_for_promote><stripe_width>0</stripe_width><expected_num_objects>0</expected_num_objects><fast_read>false</fast_read></pool><pool><pool>20</pool><pool_name>data-cache</pool_name><flags>9</flags><flags_names>hashpspool,incomplete_clones</flags_names><type>1</type><size>1</size><min_size>1</min_size><crush_ruleset>3</crush_ruleset><object_hash>2</object_hash><pg_num>100</pg_num><pg_placement_num>100</pg_placement_num><crash_replay_interval>0</crash_replay_interval><last_change>46611</last_change><last_force_op_resend>0</last_force_op_resend><auid>0</auid><snap_mode>selfmanaged</snap_mode><snap_seq>7</snap_seq><snap_epoch>46611</snap_epoch><pool_snaps/><removed_snaps>[1~3]</removed_snaps><quota_max_bytes>0</quota_max_bytes><quota_max_objects>0</quota_max_objects><tiers/><tier_of>0</tier_of><read_tier>-1</read_tier><write_tier>-1</write_tier><cache_mode>forward</cache_mode><target_max_bytes>0</target_max_bytes><target_max_objects>0</target_max_objects><cache_target_dirty_ratio_micro>400000</cache_target_dirty_ratio_micro><cache_target_dirty_high_ratio_micro>600000</cache_target_dirty_high_ratio_micro><cache_target_full_ratio_micro>800000</cache_target_full_ratio_micro><cache_min_flush_age>0</cache_min_flush_age><cache_min_evict_age>0</cache_min_evict_age><erasure_code_profile/><hit_set_params><type>bloom</type><false_positive_probability>0.05</false_positive_probability><target_size>0</target_size><seed>0</seed></hit_set_params><hit_set_period>3600</hit_set_period><hit_set_count>1</hit_set_count><use_gmt_hitset>false</use_gmt_hitset><min_read_recency_for_promote>1</min_read_recency_for_promote><min_write_recency_for_promote>1</min_write_recency_for_promote><stripe_width>0</stripe_width><expected_num_objects>0</expected_num_objects><fast_read>false</fast_read></pool></pools>
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