本文转载自微信公众号「新钛云服」,作者祝祥。转载本文请联系新钛云服公众号。
容灾 (Disaster Recovery),即容灾备份或灾备,是业务连续性系统的一个子集,用于保障 IT 系统在遭受自然灾害、人为操作失误或蓄意破坏后的数据还原和业务恢复。
Ceph RGW 多数据中心(multisite)功能旨在实现异地双活,提供了备份容灾的能力。并且具有多个数据中心供用户选择,存放资源。
主节点在对外提供服务时,用户数据在主节点落盘后即向用户回应“写成功”应答,然后实时记录数据变化的相关日志信息。备节点则实时比较主备数据差异,并及时将差异化数据拉回备节点。异步复制技术适用于远距离的容灾方案,对系统性能影响较小。
以往的容灾都是在单该或者多该ceph集群之间的,本次主要由于模拟 ceph 的 RGW 可以与其他所有的S3云供应商(https://docs.ceph.com/en/latest/radosgw/cloud-sync-module/)进行数据同步,从而实现Ceph的RGW对象存储的灾备。
内容
要求:
- Ceph 集群
- 2 个 RGW 守护进程正在运行
- S3 目标
我们将使用三个端点:
- http://192.168.112.5:80
RGW 为我们现有的集群管理的端点
- http://192.168.112.6:80
我们将创建一个新端点,它将依赖 RGW 将数据同步到另一个 S3 提供者
- http://192.168.105.5:80
我们将用于推送/同步数据的 S3 目标
检查我们现有的存储池:
所有 rgw 都有一个区域和区域组,它可能是default.
您可以检查池的名称:
- (docker-croit)@mycephcluster / $ ceph osd lspools
- 1 device_health_metrics
- 2 .rgw.root
- 3 default.rgw.control
- 4 default.rgw.log
- 5 default.rgw.meta
- 6 default.rgw.buckets.non-ec
- 7 default.rgw.buckets.index
- 8 default.rgw.buckets.data
或者直接检查区域或区域组:
- (docker-croit)@mycephcluster / $ radosgw-admin zone get --rgw-zone=default
- {
- "id": "303a00f5-f50d-43fd-afee-aa0503926952",
- "name": "default",
- ...
- }
- (docker-croit)@mycephcluster / $ radosgw-admin zonegroup get --rgw-zonegroup=default
- {
- "id": "881cf806-f6d2-47a0-b7dc-d65ee87f8ef4",
- "name": "default",
- "api_name": "default",
- "is_master": "true",
- ...
- "zones": [
- {
- "id": "303a00f5-f50d-43fd-afee-aa0503926952",
- "name": "default",
准备存储池:
我们的新区将需要一些池。我们将手动创建它们以确保没有问题(例如每个 osd 有太多 PG)阻止它们的创建。
- (docker-croit)@mycephcluster / $ for pool in sync.rgw.meta sync.rgw.log sync.rgw.control sync.rgw.buckets.non-ec sync.rgw.buckets.index sync.rgw.buckets.data; do ceph osd pool create $pool 16 16 replicated; done
- pool 'sync.rgw.meta' created
- pool 'sync.rgw.log' created
- pool 'sync.rgw.control' created
- pool 'sync.rgw.buckets.non-ec' created
- pool 'sync.rgw.buckets.index' created
- pool 'sync.rgw.buckets.data' created
创建新区域:
我们的新区域将命名为sync:
- (docker-croit)@mycephcluster / $ radosgw-admin zone create --rgw-zonegroup=default --rgw-zone=sync --endpoints=http://192.168.112.6/ --tier-type=cloud
- {
- "id": "7ead9532-0938-4698-9b4a-2d84d0d00869",
- "name": "sync",
- "domain_root": "sync.rgw.meta:root",
- "control_pool": "sync.rgw.control",
- "gc_pool": "sync.rgw.log:gc",
- "lc_pool": "sync.rgw.log:lc",
- "log_pool": "sync.rgw.log",
- "intent_log_pool": "sync.rgw.log:intent",
- "usage_log_pool": "sync.rgw.log:usage",
- "roles_pool": "sync.rgw.meta:roles",
- "reshard_pool": "sync.rgw.log:reshard",
- "user_keys_pool": "sync.rgw.meta:users.keys",
- "user_email_pool": "sync.rgw.meta:users.email",
- "user_swift_pool": "sync.rgw.meta:users.swift",
- "user_uid_pool": "sync.rgw.meta:users.uid",
- "otp_pool": "sync.rgw.otp",
- "system_key": {
- "access_key": "",
- "secret_key": ""
- },
- "placement_pools": [
- {
- "key": "default-placement",
- "val": {
- "index_pool": "sync.rgw.buckets.index",
- "storage_classes": {
- "STANDARD": {
- "data_pool": "sync.rgw.buckets.data"
- }
- },
- "data_extra_pool": "sync.rgw.buckets.non-ec",
- "index_type": 0
- }
- }
- ],
- "realm_id": "46669d35-f7ed-4374-8247-2b8f41218109"
- }
- rgw-zonegroup:我们的新区域将成为默认区域组的一部分。
- 端点:我们的新区域需要它自己的 RGW,因此它使用新的端点。
- tier-type :我们使用cloud层类型,请参阅文档(https://docs.ceph.com/en/latest/radosgw/cloud-sync-module/)了解更多设置
修改现有区域:
我们需要添加现有default区域的端点。
- (docker-croit)@mycephcluster / $ radosgw-admin zone modify --rgw-zonegroup=default --rgw-zone=default --endpoints=http://192.168.112.5:80
- {
- "id": "303a00f5-f50d-43fd-afee-aa0503926952",
- "name": "default",
- "domain_root": "default.rgw.meta:root",
- "control_pool": "default.rgw.control",
- "gc_pool": "default.rgw.log:gc",
- "lc_pool": "default.rgw.log:lc",
- "log_pool": "default.rgw.log",
- "intent_log_pool": "default.rgw.log:intent",
- "usage_log_pool": "default.rgw.log:usage",
- "roles_pool": "default.rgw.meta:roles",
- "reshard_pool": "default.rgw.log:reshard",
- "user_keys_pool": "default.rgw.meta:users.keys",
- "user_email_pool": "default.rgw.meta:users.email",
- "user_swift_pool": "default.rgw.meta:users.swift",
- "user_uid_pool": "default.rgw.meta:users.uid",
- "otp_pool": "default.rgw.otp",
- "system_key": {
- "access_key": "",
- "secret_key": ""
- },
- "placement_pools": [
- {
- "key": "default-placement",
- "val": {
- "index_pool": "default.rgw.buckets.index",
- "storage_classes": {
- "STANDARD": {
- "data_pool": "default.rgw.buckets.data"
- }
- },
- "data_extra_pool": "default.rgw.buckets.non-ec",
- "index_type": 0
- }
- }
- ],
- "realm_id": "46669d35-f7ed-4374-8247-2b8f41218109"
- }
创建系统用户:
系统用户将用于同步数据,可以通过 CLI 创建此用户。
- (docker-croit)@mycephcluster / $ radosgw-admin user create --uid=syncuser --display-name=syncuser --system
- {
- "user_id": "syncuser",
- "display_name": "syncuser",
- "email": "",
- "suspended": 0,
- "max_buckets": 1000,
- "subusers": [],
- "keys": [
- {
- "user": "syncuser",
- "access_key": "VGIF31FGOHZ0Q6MQRBQR",
- "secret_key": "1FwPZH0ICfV1e1zi8okXApJJJEB0XHfiOxe1mmTr"
- }
- ],
- "swift_keys": [],
- "caps": [],
- "op_mask": "read, write, delete",
- "system": "true",
- "default_placement": "",
- "default_storage_class": "",
- "placement_tags": [],
- "bucket_quota": {
- "enabled": false,
- "check_on_raw": false,
- "max_size": -1,
- "max_size_kb": 0,
- "max_objects": -1
- },
- "user_quota": {
- "enabled": false,
- "check_on_raw": false,
- "max_size": -1,
- "max_size_kb": 0,
- "max_objects": -1
- },
- "temp_url_keys": [],
- "type": "rgw",
- "mfa_ids": []
- }
配置同步区域以使用此系统用户:
我们将更改两个区域以使用我们的新系统用户。
- (docker-croit)@mycephcluster / $ radosgw-admin user info --uid syncuser| jq '.keys'
- [
- {
- "user": "syncuser",
- "access_key": "VGIF31FGOHZ0Q6MQRBQR",
- "secret_key": "1FwPZH0ICfV1e1zi8okXApJJJEB0XHfiOxe1mmTr"
- }
- ]
- (docker-croit)@mycephcluster / $ radosgw-admin zone modify --rgw-zonegroup=default --rgw-zone=default --access-key=VGIF31FGOHZ0Q6MQRBQR --secret=1FwPZH0ICfV1e1zi8okXApJJJEB0XHfiOxe1mmTr
- {
- "id": "303a00f5-f50d-43fd-afee-aa0503926952",
- "name": "default",
- "domain_root": "default.rgw.meta:root",
- "control_pool": "default.rgw.control",
- "gc_pool": "default.rgw.log:gc",
- "lc_pool": "default.rgw.log:lc",
- "log_pool": "default.rgw.log",
- "intent_log_pool": "default.rgw.log:intent",
- "usage_log_pool": "default.rgw.log:usage",
- "roles_pool": "default.rgw.meta:roles",
- "reshard_pool": "default.rgw.log:reshard",
- "user_keys_pool": "default.rgw.meta:users.keys",
- "user_email_pool": "default.rgw.meta:users.email",
- "user_swift_pool": "default.rgw.meta:users.swift",
- "user_uid_pool": "default.rgw.meta:users.uid",
- "otp_pool": "default.rgw.otp",
- "system_key": {
- "access_key": "VGIF31FGOHZ0Q6MQRBQR",
- "secret_key": "1FwPZH0ICfV1e1zi8okXApJJJEB0XHfiOxe1mmTr"
- },
- "placement_pools": [
- {
- "key": "default-placement",
- "val": {
- "index_pool": "default.rgw.buckets.index",
- "storage_classes": {
- "STANDARD": {
- "data_pool": "default.rgw.buckets.data"
- }
- },
- "data_extra_pool": "default.rgw.buckets.non-ec",
- "index_type": 0
- }
- }
- ],
- "realm_id": "46669d35-f7ed-4374-8247-2b8f41218109"
- }
- (docker-croit)@mycephcluster / $ radosgw-admin zone modify --rgw-zonegroup=default --rgw-zone=sync --access-key=VGIF31FGOHZ0Q6MQRBQR --secret=1FwPZH0ICfV1e1zi8okXApJJJEB0XHfiOxe1mmTr
- {
- "id": "7ead9532-0938-4698-9b4a-2d84d0d00869",
- "name": "sync",
- "domain_root": "sync.rgw.meta:root",
- "control_pool": "sync.rgw.control",
- "gc_pool": "sync.rgw.log:gc",
- "lc_pool": "sync.rgw.log:lc",
- "log_pool": "sync.rgw.log",
- "intent_log_pool": "sync.rgw.log:intent",
- "usage_log_pool": "sync.rgw.log:usage",
- "roles_pool": "sync.rgw.meta:roles",
- "reshard_pool": "sync.rgw.log:reshard",
- "user_keys_pool": "sync.rgw.meta:users.keys",
- "user_email_pool": "sync.rgw.meta:users.email",
- "user_swift_pool": "sync.rgw.meta:users.swift",
- "user_uid_pool": "sync.rgw.meta:users.uid",
- "otp_pool": "sync.rgw.otp",
- "system_key": {
- "access_key": "VGIF31FGOHZ0Q6MQRBQR",
- "secret_key": "1FwPZH0ICfV1e1zi8okXApJJJEB0XHfiOxe1mmTr"
- },
- "placement_pools": [
- {
- "key": "default-placement",
- "val": {
- "index_pool": "sync.rgw.buckets.index",
- "storage_classes": {
- "STANDARD": {
- "data_pool": "sync.rgw.buckets.data"
- }
- },
- "data_extra_pool": "sync.rgw.buckets.non-ec",
- "index_type": 0
- }
- }
- ],
- "tier_config": {
- "connection": {
- "access_key": "JO4RQ1787A6OGI6XMFDW",
- "endpoint": "http://192.168.105.5:80",
- "secret": "Dx5kKGUUeR0DaSRYueBWhV6oDRvJ9oXH2gPcVJ6s"
- }
- },
- "realm_id": "46669d35-f7ed-4374-8247-2b8f41218109"
- }
确保默认区域是主区域:
- (docker-croit)@mycephcluster / $ radosgw-admin zonegroup get
- {
- "id": "881cf806-f6d2-47a0-b7dc-d65ee87f8ef4",
- "name": "default",
- "api_name": "default",
- "is_master": "true",
- "endpoints": [],
- "hostnames": [],
- "hostnames_s3website": [],
- "master_zone": "303a00f5-f50d-43fd-afee-aa0503926952",
- "zones": [
- {
- "id": "303a00f5-f50d-43fd-afee-aa0503926952",
- "name": "default",
如果defaultzone 不是 master,则可以通过执行强制它radosgw-admin zone modify --rgw-zonegroup=default --rgw-zone=default --master --default
提交更改并验证配置:
- (docker-croit)@mycephcluster / $ radosgw-admin period update --commit
- {
- "id": "1861622f-b748-410d-b4a9-7338f4b6842b",
- "epoch": 3,
- "predecessor_uuid": "b6cd42db-6567-4a4b-9433-aee238da0c9d",
- "sync_status": [],
- "period_map": {
- "id": "1861622f-b748-410d-b4a9-7338f4b6842b",
- "zonegroups": [
- {
- "id": "881cf806-f6d2-47a0-b7dc-d65ee87f8ef4",
- "name": "default",
- "api_name": "default",
- "is_master": "true",
- "endpoints": [],
- "hostnames": [],
- "hostnames_s3website": [],
- "master_zone": "303a00f5-f50d-43fd-afee-aa0503926952",
- "zones": [
- {
- "id": "303a00f5-f50d-43fd-afee-aa0503926952",
- "name": "default",
- "endpoints": [
- "http://192.168.112.5:80"
- ],
- "log_meta": "false",
- "log_data": "true",
- "bucket_index_max_shards": 11,
- "read_only": "false",
- "tier_type": "",
- "sync_from_all": "true",
- "sync_from": [],
- "redirect_zone": ""
- },
- {
- "id": "7ead9532-0938-4698-9b4a-2d84d0d00869",
- "name": "sync",
- "endpoints": [
- "http://192.168.112.6/"
- ],
- "log_meta": "false",
- "log_data": "true",
- "bucket_index_max_shards": 11,
- "read_only": "false",
- "tier_type": "cloud",
- "sync_from_all": "true",
- "sync_from": [],
- "redirect_zone": ""
- }
- ],
- "placement_targets": [
- {
- "name": "default-placement",
- "tags": [],
- "storage_classes": [
- "STANDARD"
- ]
- }
- ],
- "default_placement": "default-placement",
- "realm_id": "46669d35-f7ed-4374-8247-2b8f41218109",
- "sync_policy": {
- "groups": []
- }
- }
- ],
- "short_zone_ids": [
- {
- "key": "303a00f5-f50d-43fd-afee-aa0503926952",
- "val": 2796720163
- },
- {
- "key": "7ead9532-0938-4698-9b4a-2d84d0d00869",
- "val": 2175446857
- }
- ]
- },
- "master_zonegroup": "881cf806-f6d2-47a0-b7dc-d65ee87f8ef4",
- "master_zone": "303a00f5-f50d-43fd-afee-aa0503926952",
- "period_config": {
- "bucket_quota": {
- "enabled": false,
- "check_on_raw": false,
- "max_size": -1,
- "max_size_kb": 0,
- "max_objects": -1
- },
- "user_quota": {
- "enabled": false,
- "check_on_raw": false,
- "max_size": -1,
- "max_size_kb": 0,
- "max_objects": -1
- }
- },
- "realm_id": "46669d35-f7ed-4374-8247-2b8f41218109",
- "realm_name": "default",
- "realm_epoch": 2
- }
配置新区域:
我们的云同步模块需要一些配置(https://docs.ceph.com/en/latest/radosgw/cloud-sync-module/#cloud-sync-tier-type-configuration)。
我们将定义用于同步数据的端点和 S3 用户凭据。注意:如果您的密钥以 0 开头,您将无法配置它。例如,使用05XXXXXXXX时 ,访问密钥将被错误地存储:
- (docker-croit)@mycephcluster / $ radosgw-admin zone modify --rgw-zonegroup=default --rgw-zone=sync --tier-config=connection.endpoint=http://192.168.105.5:80,connection.access_key=05XXXXXXXX,connection.secret=56NwS1p7krU0IMYaXXXXXXXXXXXXX
- (docker-croit)@mycephcluster / $ radosgw-admin zone get --rgw-zone=sync | jq '.tier_config'
- {
- "connection": {
- "access_key": 5,
- "endpoint": "http://192.168.105.5:80",
- "secret": 56NwS1p7krU0IMYaXXXXXXXXXXXXX
- }
- }
- (docker-croit)@mycephcluster / $ radosgw-admin zone modify --rgw-zonegroup=default --rgw-zone=sync --tier-config=connection.endpoint=http://192.168.105.5:80,connection.access_key=JO4RQ1787A6OGI6XMFDW,connection.secret=Dx5kKGUUeR0DaSRYueBWhV6oDRvJ9oXH2gPcVJ6s
- {
- "id": "7ead9532-0938-4698-9b4a-2d84d0d00869",
- "name": "sync",
- "domain_root": "sync.rgw.meta:root",
- "control_pool": "sync.rgw.control",
- "gc_pool": "sync.rgw.log:gc",
- "lc_pool": "sync.rgw.log:lc",
- "log_pool": "sync.rgw.log",
- "intent_log_pool": "sync.rgw.log:intent",
- "usage_log_pool": "sync.rgw.log:usage",
- "roles_pool": "sync.rgw.meta:roles",
- "reshard_pool": "sync.rgw.log:reshard",
- "user_keys_pool": "sync.rgw.meta:users.keys",
- "user_email_pool": "sync.rgw.meta:users.email",
- "user_swift_pool": "sync.rgw.meta:users.swift",
- "user_uid_pool": "sync.rgw.meta:users.uid",
- "otp_pool": "sync.rgw.otp",
- "system_key": {
- "access_key": "",
- "secret_key": ""
- },
- "placement_pools": [
- {
- "key": "default-placement",
- "val": {
- "index_pool": "sync.rgw.buckets.index",
- "storage_classes": {
- "STANDARD": {
- "data_pool": "sync.rgw.buckets.data"
- }
- },
- "data_extra_pool": "sync.rgw.buckets.non-ec",
- "index_type": 0
- }
- }
- ],
- "tier_config": {
- "connection": {
- "access_key": "JO4RQ1787A6OGI6XMFDW",
- "endpoint": "http://192.168.105.5:80",
- "secret": "Dx5kKGUUeR0DaSRYueBWhV6oDRvJ9oXH2gPcVJ6s"
- }
- },
- "realm_id": "46669d35-f7ed-4374-8247-2b8f41218109"
- }
检查配置是否已正确应用。
- (docker-croit)@mycephcluster / $ radosgw-admin zone get --rgw-zone=sync | jq '.tier_config'
- {
- "connection": {
- "access_key": "JO4RQ1787A6OGI6XMFDW",
- "endpoint": "http://192.168.105.5:80",
- "secret": "Dx5kKGUUeR0DaSRYueBWhV6oDRvJ9oXH2gPcVJ6s"
- }
- }
提交更改:
- (docker-croit)@mycephcluster / $ radosgw-admin zone get --rgw-zone=sync
- {
- "id": "7ead9532-0938-4698-9b4a-2d84d0d00869",
- "name": "sync",
- "domain_root": "sync.rgw.meta:root",
- "control_pool": "sync.rgw.control",
- "gc_pool": "sync.rgw.log:gc",
- "lc_pool": "sync.rgw.log:lc",
- "log_pool": "sync.rgw.log",
- "intent_log_pool": "sync.rgw.log:intent",
- "usage_log_pool": "sync.rgw.log:usage",
- "roles_pool": "sync.rgw.meta:roles",
- "reshard_pool": "sync.rgw.log:reshard",
- "user_keys_pool": "sync.rgw.meta:users.keys",
- "user_email_pool": "sync.rgw.meta:users.email",
- "user_swift_pool": "sync.rgw.meta:users.swift",
- "user_uid_pool": "sync.rgw.meta:users.uid",
- "otp_pool": "sync.rgw.otp",
- "system_key": {
- "access_key": "",
- "secret_key": ""
- },
- "placement_pools": [
- {
- "key": "default-placement",
- "val": {
- "index_pool": "sync.rgw.buckets.index",
- "storage_classes": {
- "STANDARD": {
- "data_pool": "sync.rgw.buckets.data"
- }
- },
- "data_extra_pool": "sync.rgw.buckets.non-ec",
- "index_type": 0
- }
- }
- ],
- "tier_config": {
- "connection": {
- "access_key": "JO4RQ1787A6OGI6XMFDW",
- "endpoint": "http://192.168.105.5:80",
- "secret": "Dx5kKGUUeR0DaSRYueBWhV6oDRvJ9oXH2gPcVJ6s"
- }
- },
- "realm_id": "46669d35-f7ed-4374-8247-2b8f41218109"
- }
配置 RGW:
我们需要修改每个 radosgw 配置以通过删除rgw zone = default和添加来管理正确的区域
- [client.rgw.$(hostname)]
- host = $(hostname)
- rgw zone = default
-
- [client.rgw.$(hostname)]
- host = $(hostname)
- rgw zone = sync
在我们的基础设施上,我们/etc/ceph/ceph.conf通过添加以下内容进行编辑:
- [client.rgw.new-croit-host-C0DE01]
- host = new-croit-host-C0DE01
- rgw zone = default
- [client.rgw.new-croit-host-C0DE02]
- host = new-croit-host-C0DE02
- rgw zone = sync
如果你使用 croit,你可以简单地ceph.conf用这个内容替换模板。
- [global]
- auth cluster required = cephx
- auth service required = cephx
- auth client required = cephx
- auth supported = cephx
- mon client hunt interval = {{huntInterval}}
- mon client hunt parallel = {{huntParallel}}
- fsid = {{fsid}}
- mon host = {{commaSeparatedList mons}}
-
- {{~#if full}}
- {{~#unless server.managementHost}}
- crush location = host={{server.hostname}}
- {{~/unless}}
-
- {{~#if publicNets}}
- public network = {{publicNets}}
- {{~/if}}
-
- {{~#if privateNets}}
- cluster network = {{privateNets}}
- {{~/if}}
- log file = /dev/null
- mon cluster log file = /dev/null
- mon cluster log to syslog = true
- log to syslog = true
- err to syslog = true
-
- {{~#replaceAll "rgw zone = default" ""~}}
- {{~#options}}
- {{key}} = {{value}}
- {{~/options}}
- {{~/replaceAll}}
-
- [client.rgw.new-croit-host-C0DE01]
- host = new-croit-host-C0DE01
- rgw zone = default
- [client.rgw.new-croit-host-C0DE02]
- host = new-croit-host-C0DE02
- rgw zone = sync
- {{~/if}}
要应用更改,您必须重新启动 RGW。
- root@new-croit-host-C0DE01 ~ $ systemctl restart ceph-radosgw@rgw.new-croit-host-C0DE01.service
- root@new-croit-host-C0DE02 ~ $ systemctl restart ceph-radosgw@rgw.new-croit-host-C0DE02.service
测试 S3 同步
我们将使用 s3cmd 进行测试。
在源和目标上生成用户并配置他们的 s3cmd 配置文件。检查 API 访问是否有效。
- ~ s3cmd -c .s3cfg_source ls
- ~ s3cmd -c .s3cfg_target ls
- ~
如果您有 API 错误错误,请检查您的凭据、端点。
在源上创建一个存储桶并添加对象:
我们首先创建一个bucket:
- ~ s3cmd -c .s3cfg_source mb s3://mystetbucket
- Bucket 's3://mystetbucket/' created
- ~ s3cmd -c .s3cfg_source ls
- 2021-06-24 15:06 s3://mystetbucket
现在我们在源上添加一个对象:
- ~ s3cmd -c .s3cfg_source put /tmp/myobject s3://mystetbucket/synctest 64
- WARNING: Module python-magic is not available. Guessing MIME types based on file extensions.
- upload: '/tmp/myobject' -> 's3://mystetbucket/synctest' [1 of 1]
- 13 of 13 100% in 0s 325.90 B/s done
并检查它是否已同步到目标:
- ~ s3cmd -c .s3cfg_target ls s3://
- 2021-06-24 15:30 s3://rgw-default-271b93c16a9565d8
- ~ s3cmd -c .s3cfg_target ls s3://rgw-default-271b93c16a9565d8
- DIR s3://rgw-default-271b93c16a9565d8/mystetbucket/
- ~ s3cmd -c .s3cfg_target ls s3://rgw-default-271b93c16a9565d8/mystetbucket/
- 2021-06-24 15:36 13 s3://rgw-default-271b93c16a9565d8/mystetbucket/synctest
技巧和窍门
您可以随时增加调试日志记录以便于调试:
- root@new-croit-host-C0DE02 ~ $ ceph --admin-daemon /var/run/ceph/ceph-client.rgw.new-croit-host-C0DE02.96866.94534872347832.asok config set debug_rgw_sync 5
- root@new-croit-host-C0DE02 ~ $ ceph --admin-daemon /var/run/ceph/ceph-client.rgw.new-croit-host-C0DE02.96866.94534872347832.asok config set debug_rgw 5
检查同步状态:
- (docker-croit)@mycephcluster / $ radosgw-admin sync status --rgw-zone=sync
- realm 46669d35-f7ed-4374-8247-2b8f41218109 (default)
- zonegroup 881cf806-f6d2-47a0-b7dc-d65ee87f8ef4 (default)
- zone 7ead9532-0938-4698-9b4a-2d84d0d00869 (sync)
- metadata sync syncing
- full sync: 0/64 shards
- incremental sync: 64/64 shards
- metadata is caught up with master
- data sync source: 303a00f5-f50d-43fd-afee-aa0503926952 (default)
- syncing
- full sync: 0/128 shards
- incremental sync: 128/128 shards
- data is caught up with source
参考文章:
https://docs.ceph.com/en/latest/radosgw/multisite/
https://docs.ceph.com/en/latest/radosgw/cloud-sync-module/#cloud-sync-tier-type-configuration
https://croit.io/blog/setting-up-ceph-cloud-sync-module
祝祥
资深云计算架构师
OpenStack官方特邀讲师
上万台云主机和几十PB分布式存储的
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