mongodb3.0.7生产环境扩容存储记录

mongodb3.0.7扩容存储记录

扩容方案

扩容前复制集

原有db01、db02、230为复制集，其中db01为primary，230为远程复制节点。

扩容前存储

3台主机均为1T

扩容方法

尽量减少线上停机时间（5分钟左右）

• 新增一台db03，采用ssm管理磁盘，初步分配1.5T磁盘空间，后续空间不足继续增加磁盘交给ssm管理和扩容
• db03扩容完成后，上线到原有复制集中
• db03同步数据完成后切换primary到db03
• 之后分别下线db01、db02、230等进行磁盘扩容

db03安装和配置

mongodb的安装

[root@db03 ~]# /etc/yum.repos.d/mongodb-org-3.4.repo-bash: /etc/yum.repos.d/mongodb-org-3.4.repo: No such file or directory[root@db03 ~]# vi /etc/yum.repos.d/mongodb-org-3.4.repo[root@db03 ~]# yum install -y mongodb-orgLoaded plugins: fastestmirror, langpacksmongodb-org-3.4                                                        | 2.5 kB  00:00:00mongodb-org-3.4/7/primary_db                                           |  25 kB  00:00:01Loading mirror speeds from cached hostfileResolving Dependencies--> Running transaction check---> Package mongodb-org.x86_64 0:3.4.4-1.el7 will be installed--> Processing Dependency: mongodb-org-tools = 3.4.4 for package: mongodb-org-3.4.4-1.el7.x86_64--> Processing Dependency: mongodb-org-shell = 3.4.4 for package: mongodb-org-3.4.4-1.el7.x86_64--> Processing Dependency: mongodb-org-server = 3.4.4 for package: mongodb-org-3.4.4-1.el7.x86_64--> Processing Dependency: mongodb-org-mongos = 3.4.4 for package: mongodb-org-3.4.4-1.el7.x86_64--> Running transaction check---> Package mongodb-org-mongos.x86_64 0:3.4.4-1.el7 will be installed---> Package mongodb-org-server.x86_64 0:3.4.4-1.el7 will be installed---> Package mongodb-org-shell.x86_64 0:3.4.4-1.el7 will be installed---> Package mongodb-org-tools.x86_64 0:3.4.4-1.el7 will be installed--> Finished Dependency ResolutionDependencies Resolved============================================================================================== Package                    Arch           Version              Repository               Size==============================================================================================Installing: mongodb-org                x86_64         3.4.4-1.el7          mongodb-org-3.4         5.8 kInstalling for dependencies: mongodb-org-mongos         x86_64         3.4.4-1.el7          mongodb-org-3.4          12 M mongodb-org-server         x86_64         3.4.4-1.el7          mongodb-org-3.4          20 M mongodb-org-shell          x86_64         3.4.4-1.el7          mongodb-org-3.4          11 M mongodb-org-tools          x86_64         3.4.4-1.el7          mongodb-org-3.4          49 MTransaction Summary==============================================================================================Install  1 Package (+4 Dependent packages)Total download size: 91 MInstalled size: 257 MDownloading packages:Delta RPMs disabled because /usr/bin/applydeltarpm not installed.mongodb-org-server-3.4.4-1.el7 FAILED                                            13:33:40 ETAhttps://repo.mongodb.org/yum/redhat/7/mongodb-org/3.4/x86_64/RPMS/mongodb-org-server-3.4.4-1.el7.x86_64.rpm: [Errno 12] Timeout on https://repo.mongodb.org/yum/redhat/7/mongodb-org/3.4/x86_64/RPMS/mongodb-org-server-3.4.4-1.el7.x86_64.rpm: (28, 'Operation too slow. Less than 1000 bytes/sec transferred the last 30 seconds')Trying other mirror.mongodb-org-mongos-3.4.4-1.el7 FAILED                                            00:29:43 ETAhttps://repo.mongodb.org/yum/redhat/7/mongodb-org/3.4/x86_64/RPMS/mongodb-org-mongos-3.4.4-1.el7.x86_64.rpm: [Errno 12] Timeout on https://repo.mongodb.org/yum/redhat/7/mongodb-org/3.4/x86_64/RPMS/mongodb-org-mongos-3.4.4-1.el7.x86_64.rpm: (28, 'Operation too slow. Less than 1000 bytes/sec transferred the last 30 seconds')Trying other mirror.warning: /var/cache/yum/x86_64/7/mongodb-org-3.4/packages/mongodb-org-shell-3.4.4-1.el7.x86_64.rpm: Header V3 RSA/SHA1 Signature, key ID a15703c6: NOKEYPublic key for mongodb-org-shell-3.4.4-1.el7.x86_64.rpm is not installed(1/4): mongodb-org-shell-3.4.4-1.el7.x86_64.rpm                        |  11 MB  00:03:23(2/4): mongodb-org-tools-3.4.4-1.el7.x86_64.rpm                        |  49 MB  00:26:42(3/4): mongodb-org-server-3.4.4-1.el7.x86_64.rpm                       |  20 MB  00:00:01(4/4): mongodb-org-mongos-3.4.4-1.el7.x86_64.rpm                       |  12 MB  00:00:52----------------------------------------------------------------------------------------------Total                                                          42 kB/s |  91 MB  00:37:17Retrieving key from https://www.mongodb.org/static/pgp/server-3.4.ascImporting GPG key 0xA15703C6: Userid     : "MongoDB 3.4 Release Signing Key " Fingerprint: 0c49 f373 0359 a145 1858 5931 bc71 1f9b a157 03c6 From       :