Ceph osd crush
WebApr 13, 2024 · 步骤 3. 设置 OSD 为 OUT. 输入命令: ceph osd out osd.1 步骤 4.删除 OSD. 输入命令: ceph osd crush remove osd.1 (如果未配置 Crush Map 则不需要执行这一 … WebFeb 12, 2015 · Use ceph osd tree, which produces an ASCII art CRUSH tree map with a host, its OSDs, whether they are up and their weight. 5. Create or remove OSDs: ceph osd create ceph osd rm Use ceph osd create to add a new OSD to the cluster. If no UUID is given, it will be set automatically when the OSD starts up.
Ceph osd crush
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WebOct 11, 2024 · 0. The easiest way to use SSDs or HDDs in your crush rules would be these, assuming you're using replicated pools: rule rule_ssd { id 1 type replicated min_size 1 max_size 10 step take default class ssd step chooseleaf firstn 0 type host step emit } rule rule_hdd { id 2 type replicated min_size 1 max_size 10 step take default class hdd step ... Web2.2. CRUSH Hierarchies. The CRUSH map is a directed acyclic graph, so it can accommodate multiple hierarchies (for example, performance domains). The easiest way …
Webceph的crush规则 分布式存储ceph之crush规则配置 一、命令生成osd树形结构 创建数据中心:datacenter0 ceph osd crush add-bucket datacenter0 datacenter #创建机房:roomo ceph osd erush add-bucket roomo room # buckets:这里就是定义故障域名。 WebApr 1, 2024 · ceph osd getcrushmap -o backup-crushmap ceph osd crush set-all-straw-buckets-to-straw2 If there are problems, you can easily revert with: ceph osd setcrushmap -i backup-crushmap Moving to 'straw2' buckets will unlock a few recent features, like the `crush-compat` `balancer ` mode added back in Luminous.
WebMay 11, 2024 · Ceph pools supporting applications within an OpenStack deployment are by default configured as replicated pools which means that every stored object is copied to multiple hosts or zones to allow the pool to survive the loss of an OSD. Ceph also supports Erasure Coded pools which can be used to save raw space within the Ceph cluster. WebJan 9, 2024 · There are several ways to add an OSD inside a Ceph cluster. Two of them are: $ sudo ceph orch daemon add osd ceph0.libvirt.local:/dev/sdb. and $ sudo ceph …
WebThe crush location for an OSD is normally expressed via the crush location config option being set in the ceph.conf file. Each time the OSD starts, it verifies it is in the correct location in the CRUSH map and, if it is not, it …
WebCRUSH Maps . The CRUSH algorithm determines how to store and retrieve data by computing storage locations. CRUSH empowers Ceph clients to communicate with … chris peyre beyond meatWeb$ ceph osd pool set YOUR_POOL crush_rule replicated_ssd Кластер войдет в HEALTH_WARN и переместит объекты в нужное место на SSD'ах, пока кластер снова не будет HEALTHY. Эта функция была добавлена с ceph 10.x aka Luminous . chris pfabeWebSep 22, 2024 · So if your ceph cluster contains both types of storage devices you can create the new crush rules with: $ ceph osd crush rule create-replicated replicated_hdd … chris peyerk wifeWebSep 10, 2024 · # ceph osd crush rule create-replicated replicated_nvme default host nvme The newly created rule will look nearly the same. This is the hdd rule: rule replicated_hdd … chris peyser harvest partnersWebFeb 22, 2024 · The utils-checkPGs.py script can read the same data from memory and construct the failure domains with OSDs. Verify the OSDs in each PG against the … chris pezman university of houstonWebSep 21, 2024 · # Remove the current device class on the OSDs I want to move to the new pool. $> ceph osd crush rm-device-class osd.$OSDNUM # Add new device classes to the OSDs to move. $> ceph osd crush set-device-class hdd2 osd.$OSDNUM # Create a new crush rule for a new pool. $> ceph osd crush rule create-replicated … chris pezman houstonWebApr 13, 2024 · ceph osd crush remove osd.1(如果未配置 Crush Map 则不需要执行这一行命令) ceph auth del osd.1 ceph osd rm 1 1 2 3 步骤 5.清空已删除磁盘中的内容 输入命令: wipefs -af /dev/sdb 1 步骤 6.重新添加服务 ceph orch daemon add osd ceph3:/dev/sdb 1 添加完成以后,ceph 会自动的进行数据填充。 步骤 7.再次查看 osd 发现服务已经正常 … chris pezoulas