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Posted 2022-12-06 Jason__Zhou

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redhat ceph 文档

发布说明

• 通过Ansible进行安装
• OSD BLUESTORE技术预览

安装说明

在redhat上安装ceph

• 全局设置

[global]
fsid =
mon initial members = [, ]
mon host = [, ]
public network = [, ]
cluster network = [, ]
auth cluster required = cephx
auth service required = cephx
auth client required = cephx
osd journal size =
filestore xattr use omap = true
osd pool default size = # Write an object n times.
osd pool default min size = # Allow writing n copy in a
degraded state.
osd pool default pg num =
osd pool default pgp num =
osd crush chooseleaf type =

• osd设置

  • 创建osd默认目录

  mkdir /var/lib/ceph/osd/ceph-0

  • 准备作为硬盘的osd,挂载到创建的目录上.

  parted /dev/sdb mklabel gpt

  parted /dev/sdb mkpart primary 1 10000

  parted /dev/sdb mkpart primary 10001 15000

  mkfs -t xfs /dev/sdb1

  mount -o noatime /dev/sdb1 /var/lib/ceph/osd/ceph-0

  echo “/dev/sdb1 /var/lib/ceph/osd/ceph-0 xfs defaults,noatime

  1 2” >> /etc/fstab

管理员指导手册

• 用户管理

  [ceph_user@admin-node my-cluster]$ceph osd df ID WEIGHT REWEIGHT SIZE USE AVAIL %USE VAR 0 0.03999 1.00000 39508M 8082M 31426M 20.46 1.00 1 0.03999 1.00000 39508M 8081M 31427M 20.45 1.00 2 0.03999 1.00000 39508M 8081M 31427M 20.45 1.00 TOTAL 115G 24244M 94281M 20.45 MIN/MAX VAR: 1.00/1.00 STDDEV: 0.00 [ceph_user@admin-node my-cluster]$

• 显示规则

  ceph osd crush rule list
  ceph osd crush rule ls

• pool 快照

  [ceph_user@admin-node ~]$ceph osd pool mksnap test snap_test created pool test snap snap_test [ceph_user@admin-node ~]$

  • 删除pool快照

  ceph osd pool rmsnap