Re: rgw multi-site replication issues

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Hi John,
Can you provide:
radosgw-admin zonegroupmap get on both us-dfw and us-phx?
radosgw-admin realm get and radosgw-admin period get on all the gateways?

Orit

On Thu, Sep 22, 2016 at 4:37 PM, John Rowe <john.rowe@xxxxxxxxxxxxxx> wrote:
> Hello Orit, thanks.
>
> I will do all 6 just in case. Also as an FYI I originally had all 6 as
> endpoint (3 in each zone) but have it down to just the two "1" servers
> talking to each other until I can get it working. Eventually I would like to
> have all 6 cross connecting again.
>
> rgw-primary-1:
> radosgw-admin zonegroup get
> {
>     "id": "235b010c-22e2-4b43-8fcc-8ae01939273e",
>     "name": "us",
>     "api_name": "us",
>     "is_master": "true",
>     "endpoints": [
>         "http:\/\/LB_FQDN:80"
>     ],
>     "hostnames": [],
>     "hostnames_s3website": [],
>     "master_zone": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>     "zones": [
>         {
>             "id": "58aa3eef-fc1f-492c-a08e-9c6019e7c266",
>             "name": "us-phx",
>             "endpoints": [
>                 "http:\/\/PHX-RGW-1:80"
>             ],
>             "log_meta": "false",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         },
>         {
>             "id": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>             "name": "us-dfw",
>             "endpoints": [
>                 "http:\/\/DFW-RGW-1:80"
>             ],
>             "log_meta": "true",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         }
>     ],
>     "placement_targets": [
>         {
>             "name": "default-placement",
>             "tags": []
>         }
>     ],
>     "default_placement": "default-placement",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
> radosgw-admin zone get
> {
>     "id": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>     "name": "us-dfw",
>     "domain_root": "us-dfw.rgw.data.root",
>     "control_pool": "us-dfw.rgw.control",
>     "gc_pool": "us-dfw.rgw.gc",
>     "log_pool": "us-dfw.rgw.log",
>     "intent_log_pool": "us-dfw.rgw.intent-log",
>     "usage_log_pool": "us-dfw.rgw.usage",
>     "user_keys_pool": "us-dfw.rgw.users.keys",
>     "user_email_pool": "us-dfw.rgw.users.email",
>     "user_swift_pool": "us-dfw.rgw.users.swift",
>     "user_uid_pool": "us-dfw.rgw.users.uid",
>     "system_key": {
>         "access_key": "SYSTEM_ACCESS_KEY",
>         "secret_key": "SYSTEM_SECRET_KEY"
>     },
>     "placement_pools": [
>         {
>             "key": "default-placement",
>             "val": {
>                 "index_pool": "us-dfw.rgw.buckets.index",
>                 "data_pool": "us-dfw.rgw.buckets.data",
>                 "data_extra_pool": "us-dfw.rgw.buckets.non-ec",
>                 "index_type": 0
>             }
>         }
>     ],
>     "metadata_heap": "us-dfw.rgw.meta",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
> ----
> rgw-primary-2:
> radosgw-admin zonegroup get
> {
>     "id": "235b010c-22e2-4b43-8fcc-8ae01939273e",
>     "name": "us",
>     "api_name": "us",
>     "is_master": "true",
>     "endpoints": [
>         "http:\/\/LB_FQDN:80"
>     ],
>     "hostnames": [],
>     "hostnames_s3website": [],
>     "master_zone": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>     "zones": [
>         {
>             "id": "58aa3eef-fc1f-492c-a08e-9c6019e7c266",
>             "name": "us-phx",
>             "endpoints": [
>                 "http:\/\/PHX-RGW-1:80"
>             ],
>             "log_meta": "false",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         },
>         {
>             "id": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>             "name": "us-dfw",
>             "endpoints": [
>                 "http:\/\/DFW-RGW-1:80"
>             ],
>             "log_meta": "true",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         }
>     ],
>     "placement_targets": [
>         {
>             "name": "default-placement",
>             "tags": []
>         }
>     ],
>     "default_placement": "default-placement",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
> radosgw-admin zone get
> {
>     "id": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>     "name": "us-dfw",
>     "domain_root": "us-dfw.rgw.data.root",
>     "control_pool": "us-dfw.rgw.control",
>     "gc_pool": "us-dfw.rgw.gc",
>     "log_pool": "us-dfw.rgw.log",
>     "intent_log_pool": "us-dfw.rgw.intent-log",
>     "usage_log_pool": "us-dfw.rgw.usage",
>     "user_keys_pool": "us-dfw.rgw.users.keys",
>     "user_email_pool": "us-dfw.rgw.users.email",
>     "user_swift_pool": "us-dfw.rgw.users.swift",
>     "user_uid_pool": "us-dfw.rgw.users.uid",
>     "system_key": {
>         "access_key": "SYSTEM_ACCESS_KEY",
>         "secret_key": "SYSTEM_SECRET_KEY"
>     },
>     "placement_pools": [
>         {
>             "key": "default-placement",
>             "val": {
>                 "index_pool": "us-dfw.rgw.buckets.index",
>                 "data_pool": "us-dfw.rgw.buckets.data",
>                 "data_extra_pool": "us-dfw.rgw.buckets.non-ec",
>                 "index_type": 0
>             }
>         }
>     ],
>     "metadata_heap": "us-dfw.rgw.meta",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
> ----
> rgw-primary-3:
> radosgw-admin zonegroup get
> {
>     "id": "235b010c-22e2-4b43-8fcc-8ae01939273e",
>     "name": "us",
>     "api_name": "us",
>     "is_master": "true",
>     "endpoints": [
>         "http:\/\/LB_FQDN:80"
>     ],
>     "hostnames": [],
>     "hostnames_s3website": [],
>     "master_zone": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>     "zones": [
>         {
>             "id": "58aa3eef-fc1f-492c-a08e-9c6019e7c266",
>             "name": "us-phx",
>             "endpoints": [
>                 "http:\/\/PHX-RGW-1:80"
>             ],
>             "log_meta": "false",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         },
>         {
>             "id": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>             "name": "us-dfw",
>             "endpoints": [
>                 "http:\/\/DFW-RGW-1:80"
>             ],
>             "log_meta": "true",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         }
>     ],
>     "placement_targets": [
>         {
>             "name": "default-placement",
>             "tags": []
>         }
>     ],
>     "default_placement": "default-placement",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
> sudo radosgw-admin zone get
> {
>     "id": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>     "name": "us-dfw",
>     "domain_root": "us-dfw.rgw.data.root",
>     "control_pool": "us-dfw.rgw.control",
>     "gc_pool": "us-dfw.rgw.gc",
>     "log_pool": "us-dfw.rgw.log",
>     "intent_log_pool": "us-dfw.rgw.intent-log",
>     "usage_log_pool": "us-dfw.rgw.usage",
>     "user_keys_pool": "us-dfw.rgw.users.keys",
>     "user_email_pool": "us-dfw.rgw.users.email",
>     "user_swift_pool": "us-dfw.rgw.users.swift",
>     "user_uid_pool": "us-dfw.rgw.users.uid",
>     "system_key": {
>         "access_key": "SYSTEM_ACCESS_KEY",
>         "secret_key": "SYSTEM_SECRET_KEY"
>     },
>     "placement_pools": [
>         {
>             "key": "default-placement",
>             "val": {
>                 "index_pool": "us-dfw.rgw.buckets.index",
>                 "data_pool": "us-dfw.rgw.buckets.data",
>                 "data_extra_pool": "us-dfw.rgw.buckets.non-ec",
>                 "index_type": 0
>             }
>         }
>     ],
>     "metadata_heap": "us-dfw.rgw.meta",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
> ---
> rgw-secondary-1:
> radosgw-admin zonegroup get
> {
>     "id": "235b010c-22e2-4b43-8fcc-8ae01939273e",
>     "name": "us",
>     "api_name": "us",
>     "is_master": "true",
>     "endpoints": [
>         "http:\/\/LB_FQDN:80"
>     ],
>     "hostnames": [],
>     "hostnames_s3website": [],
>     "master_zone": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>     "zones": [
>         {
>             "id": "58aa3eef-fc1f-492c-a08e-9c6019e7c266",
>             "name": "us-phx",
>             "endpoints": [
>                 "http:\/\/PHX-RGW-1:80"
>             ],
>             "log_meta": "false",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         },
>         {
>             "id": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>             "name": "us-dfw",
>             "endpoints": [
>                 "http:\/\/DFW-RGW-1:80"
>             ],
>             "log_meta": "true",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         }
>     ],
>     "placement_targets": [
>         {
>             "name": "default-placement",
>             "tags": []
>         }
>     ],
>     "default_placement": "default-placement",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
> radosgw-admin zone get
> {
>     "id": "58aa3eef-fc1f-492c-a08e-9c6019e7c266",
>     "name": "us-phx",
>     "domain_root": "us-phx.rgw.data.root",
>     "control_pool": "us-phx.rgw.control",
>     "gc_pool": "us-phx.rgw.gc",
>     "log_pool": "us-phx.rgw.log",
>     "intent_log_pool": "us-phx.rgw.intent-log",
>     "usage_log_pool": "us-phx.rgw.usage",
>     "user_keys_pool": "us-phx.rgw.users.keys",
>     "user_email_pool": "us-phx.rgw.users.email",
>     "user_swift_pool": "us-phx.rgw.users.swift",
>     "user_uid_pool": "us-phx.rgw.users.uid",
>     "system_key": {
>         "access_key": "SYSTEM_ACCESS_KEY",
>         "secret_key": "SYSTEM_SECRET_KEY"
>     },
>     "placement_pools": [
>         {
>             "key": "default-placement",
>             "val": {
>                 "index_pool": "us-phx.rgw.buckets.index",
>                 "data_pool": "us-phx.rgw.buckets.data",
>                 "data_extra_pool": "us-phx.rgw.buckets.non-ec",
>                 "index_type": 0
>             }
>         }
>     ],
>     "metadata_heap": "us-phx.rgw.meta",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
> ---
> rgw-secondary-2:
> radosgw-admin zonegroup get
> {
>     "id": "235b010c-22e2-4b43-8fcc-8ae01939273e",
>     "name": "us",
>     "api_name": "us",
>     "is_master": "true",
>     "endpoints": [
>         "http:\/\/LB_FQDN:80"
>     ],
>     "hostnames": [],
>     "hostnames_s3website": [],
>     "master_zone": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>     "zones": [
>         {
>             "id": "58aa3eef-fc1f-492c-a08e-9c6019e7c266",
>             "name": "us-phx",
>             "endpoints": [
>                 "http:\/\/PHX-RGW-1:80"
>             ],
>             "log_meta": "false",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         },
>         {
>             "id": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>             "name": "us-dfw",
>             "endpoints": [
>                 "http:\/\/DFW-RGW-1:80"
>             ],
>             "log_meta": "true",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         }
>     ],
>     "placement_targets": [
>         {
>             "name": "default-placement",
>             "tags": []
>         }
>     ],
>     "default_placement": "default-placement",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
> radosgw-admin zone get
> {
>     "id": "58aa3eef-fc1f-492c-a08e-9c6019e7c266",
>     "name": "us-phx",
>     "domain_root": "us-phx.rgw.data.root",
>     "control_pool": "us-phx.rgw.control",
>     "gc_pool": "us-phx.rgw.gc",
>     "log_pool": "us-phx.rgw.log",
>     "intent_log_pool": "us-phx.rgw.intent-log",
>     "usage_log_pool": "us-phx.rgw.usage",
>     "user_keys_pool": "us-phx.rgw.users.keys",
>     "user_email_pool": "us-phx.rgw.users.email",
>     "user_swift_pool": "us-phx.rgw.users.swift",
>     "user_uid_pool": "us-phx.rgw.users.uid",
>     "system_key": {
>         "access_key": "SYSTEM_ACCESS_KEY",
>         "secret_key": "SYSTEM_SECRET_KEY"
>     },
>     "placement_pools": [
>         {
>             "key": "default-placement",
>             "val": {
>                 "index_pool": "us-phx.rgw.buckets.index",
>                 "data_pool": "us-phx.rgw.buckets.data",
>                 "data_extra_pool": "us-phx.rgw.buckets.non-ec",
>                 "index_type": 0
>             }
>         }
>     ],
>     "metadata_heap": "us-phx.rgw.meta",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
> ---
> rgw-secondary-3
> radosgw-admin zonegroup get
> {
>     "id": "235b010c-22e2-4b43-8fcc-8ae01939273e",
>     "name": "us",
>     "api_name": "us",
>     "is_master": "true",
>     "endpoints": [
>         "http:\/\/LB_FQDN:80"
>     ],
>     "hostnames": [],
>     "hostnames_s3website": [],
>     "master_zone": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>     "zones": [
>         {
>             "id": "58aa3eef-fc1f-492c-a08e-9c6019e7c266",
>             "name": "us-phx",
>             "endpoints": [
>                 "http:\/\/PHX-RGW-1:80"
>             ],
>             "log_meta": "false",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         },
>         {
>             "id": "6c830b44-4e39-4e19-9bd8-03c37c2021f2",
>             "name": "us-dfw",
>             "endpoints": [
>                 "http:\/\/DFW-RGW-1:80"
>             ],
>             "log_meta": "true",
>             "log_data": "true",
>             "bucket_index_max_shards": 0,
>             "read_only": "false"
>         }
>     ],
>     "placement_targets": [
>         {
>             "name": "default-placement",
>             "tags": []
>         }
>     ],
>     "default_placement": "default-placement",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
> radosgw-admin zone get
> {
>     "id": "58aa3eef-fc1f-492c-a08e-9c6019e7c266",
>     "name": "us-phx",
>     "domain_root": "us-phx.rgw.data.root",
>     "control_pool": "us-phx.rgw.control",
>     "gc_pool": "us-phx.rgw.gc",
>     "log_pool": "us-phx.rgw.log",
>     "intent_log_pool": "us-phx.rgw.intent-log",
>     "usage_log_pool": "us-phx.rgw.usage",
>     "user_keys_pool": "us-phx.rgw.users.keys",
>     "user_email_pool": "us-phx.rgw.users.email",
>     "user_swift_pool": "us-phx.rgw.users.swift",
>     "user_uid_pool": "us-phx.rgw.users.uid",
>     "system_key": {
>         "access_key": "SYSTEM_ACCESS_KEY",
>         "secret_key": "SYSTEM_SECRET_KEY"
>     },
>     "placement_pools": [
>         {
>             "key": "default-placement",
>             "val": {
>                 "index_pool": "us-phx.rgw.buckets.index",
>                 "data_pool": "us-phx.rgw.buckets.data",
>                 "data_extra_pool": "us-phx.rgw.buckets.non-ec",
>                 "index_type": 0
>             }
>         }
>     ],
>     "metadata_heap": "us-phx.rgw.meta",
>     "realm_id": "3af93a86-916a-490f-b38f-17922b472b19"
> }
>
>
> On Thu, Sep 22, 2016 at 5:18 AM Orit Wasserman <owasserm@xxxxxxxxxx> wrote:
>>
>> Hi John,
>> Can you provide your zonegroup and zones configurations on all 3 rgw?
>> (run the commands on each rgw)
>>
>> Thanks,
>> Orit
>>
>> On Wed, Sep 21, 2016 at 11:14 PM, John Rowe <john.rowe@xxxxxxxxxxxxxx>
>> wrote:
>> > Hello,
>> >
>> > We have 2 Ceph clusters running in two separate data centers, each one
>> > with
>> > 3 mons, 3 rgws, and 5 osds. I am attempting to get bi-directional
>> > multi-site
>> > replication setup as described in the ceph documentation here:
>> > http://docs.ceph.com/docs/jewel/radosgw/multisite/
>> >
>> > We are running Jewel v 10.2.2:
>> > rpm -qa | grep ceph
>> > ceph-base-10.2.2-0.el7.x86_64
>> > ceph-10.2.2-0.el7.x86_64
>> > ceph-radosgw-10.2.2-0.el7.x86_64
>> > libcephfs1-10.2.2-0.el7.x86_64
>> > python-cephfs-10.2.2-0.el7.x86_64
>> > ceph-selinux-10.2.2-0.el7.x86_64
>> > ceph-mon-10.2.2-0.el7.x86_64
>> > ceph-osd-10.2.2-0.el7.x86_64
>> > ceph-release-1-1.el7.noarch
>> > ceph-common-10.2.2-0.el7.x86_64
>> > ceph-mds-10.2.2-0.el7.x86_64
>> >
>> > It appears syncing is happening, however it is not able to sync the
>> > metadata, and therefore no users/buckets from the primary are going to
>> > the
>> > secondary.
>> > Primary sync status:
>> >  radosgw-admin sync status
>> >           realm 3af93a86-916a-490f-b38f-17922b472b19 (my_realm)
>> >       zonegroup 235b010c-22e2-4b43-8fcc-8ae01939273e (us)
>> >            zone 6c830b44-4e39-4e19-9bd8-03c37c2021f2 (us-dfw)
>> >   metadata sync no sync (zone is master)
>> >       data sync source: 58aa3eef-fc1f-492c-a08e-9c6019e7c266 (us-phx)
>> >                         syncing
>> >                         full sync: 0/128 shards
>> >                         incremental sync: 128/128 shards
>> >                         data is caught up with source
>> >
>> > radosgw-admin data sync status --source-zone=us-phx
>> > {
>> >     "sync_status": {
>> >         "info": {
>> >             "status": "sync",
>> >             "num_shards": 128
>> >         },
>> >         "markers": [
>> > ...
>> > }
>> >
>> > radosgw-admin metadata sync status
>> > {
>> >     "sync_status": {
>> >         "info": {
>> >             "status": "init",
>> >             "num_shards": 0,
>> >             "period": "",
>> >             "realm_epoch": 0
>> >         },
>> >         "markers": []
>> >     },
>> >     "full_sync": {
>> >         "total": 0,
>> >         "complete": 0
>> >     }
>> > }
>> > Secondary sync status:
>> > radosgw-admin sync status
>> >           realm 3af93a86-916a-490f-b38f-17922b472b19 (pardot)
>> >       zonegroup 235b010c-22e2-4b43-8fcc-8ae01939273e (us)
>> >            zone 58aa3eef-fc1f-492c-a08e-9c6019e7c266 (us-phx)
>> >   metadata sync failed to read sync status: (2) No such file or
>> > directory
>> >       data sync source: 6c830b44-4e39-4e19-9bd8-03c37c2021f2 (us-dfw)
>> >                         syncing
>> >                         full sync: 0/128 shards
>> >                         incremental sync: 128/128 shards
>> >                         data is behind on 10 shards
>> >                         oldest incremental change not applied:
>> > 2016-09-20
>> > 15:00:17.0.330225s
>> >
>> > radosgw-admin data sync status --source-zone=us-dfw
>> > {
>> >     "sync_status": {
>> >         "info": {
>> >             "status": "building-full-sync-maps",
>> >             "num_shards": 128
>> >         },
>> > ....
>> > }
>> >
>> > radosgw-admin metadata sync status --source-zone=us-dfw
>> > ERROR: sync.read_sync_status() returned ret=-2
>> >
>> >
>> >
>> > In the logs I am seeing (date stamps not in order to pick out
>> > non-dupes):
>> > Primary logs:
>> > 2016-09-20 15:02:44.313204 7f2a2dffb700  0 ERROR:
>> > client_io->complete_request() returned -5
>> > 2016-09-20 10:31:57.501247 7faf4bfff700  0 ERROR: failed to wait for op,
>> > ret=-11: POST
>> >
>> > http://pardot0-cephrgw1-3-phx.ops.sfdc.net:80/admin/realm/period?period=385c44c7-0506-4204-90d7-9d26a6cbaad2&epoch=12&rgwx-zonegroup=f46ce11b-ee5d-489b-aa30-752fc5353931
>> > 2016-09-20 10:32:03.391118 7fb12affd700  0 ERROR: failed to fetch
>> > datalog
>> > info
>> > 2016-09-20 10:32:03.491520 7fb12affd700  0 ERROR: lease cr failed, done
>> > early
>> >
>> > Secondary logs;
>> > 2016-09-20 10:28:15.290050 7faab2fed700  0 ERROR: failed to get bucket
>> > instance info for bucket
>> > id=BUCKET1:78301214-35bb-41df-a77f-24968ee4b3ff.104293.1
>> > 2016-09-20 10:28:15.290108 7faab5ff3700  0 ERROR: failed to get bucket
>> > instance info for bucket
>> > id=BUCKET1:78301214-35bb-41df-a77f-24968ee4b3ff.104293.1
>> > 2016-09-20 10:28:15.290571 7faab77f6700  0 ERROR: failed to get bucket
>> > instance info for bucket
>> > id=BUCKET1:78301214-35bb-41df-a77f-24968ee4b3ff.104293.1
>> > 2016-09-20 10:28:15.304619 7faaad7e2700  0 ERROR: failed to get bucket
>> > instance info for bucket
>> > id=BUCKET1:78301214-35bb-41df-a77f-24968ee4b3ff.104293.1
>> > 2016-09-20 10:28:38.169629 7fa98bfff700  0 ERROR: failed to distribute
>> > cache
>> > for .rgw.root:periods.385c44c7-0506-4204-90d7-9d26a6cbaad2.12
>> > 2016-09-20 10:28:38.169642 7fa98bfff700 -1 period epoch 12 is not newer
>> > than
>> > current epoch 12, discarding update
>> > 2016-09-21 03:19:01.550808 7fe10bfff700  0 rgw meta sync: ERROR: failed
>> > to
>> > fetch mdlog info
>> > 2016-09-21 15:45:09.799195 7fcd677fe700  0 ERROR: failed to fetch remote
>> > data log info: ret=-11
>> >
>> > Each of those logs are repeated several times each, and constantly.
>> >
>> > Any help would be greatly appreciated.  Thanks!
>> >
>> >
>> >
>> > _______________________________________________
>> > ceph-users mailing list
>> > ceph-users@xxxxxxxxxxxxxx
>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >
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