一、在公有云服务器上备份ES
1、创建备份repo
curl -uelastic:'ES&ceshi720' -XPUT "http://172.30.0.17:9200/_snapshot/my_cos_backup" -d '{"type": "cos","setti,"access_key_secret": "Secret","bucket": "estest","region": "ap-guangzhou","compress": true,"chunk_size": "500mb","base_path": "/"}}' -H'Content-Type: application/json'
2、执行snapshot备份
curl -uelastic:'123' -XPUT "http://172.30.0.17:9200/_snapshot/my_cos_backup/snapshot_1?wait_for_completion=true"
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二、在腾讯云服务器上做快照
3、在ES节点1上，到COS上下载所有备份
安装coscmd
yum install python-pip -y
pip install coscmd
配置coscmd初始参数
coscmd config -a accesskeyid -s Secret -b estest -r ap-guangzhou
配置coscmd优化参数
vim /root/.cos.conf
[common]
secret_id = accesskeyid
secret_key = Secret
bucket = estest-1300672061
region = ap-guangzhou
max_thread = 20
part_size = 1
schema = http
verify = md5
anonymous = False
用coscmd将整个存储桶拖回本地,临时存放在一个目录
coscmd download -r / /data/esback
4、修改所有本地ES配置
mkdir -p /data/essnapshot
chown -R elasticsearch:elasticsearch /data/essnapshot
vim config/elasticsearch.yml
增加一行
path.repo: ["/data/essnapshot"]
重启ES服务
5、在ES节点1上安装NFS服务
yum install nfs* rpcbind -y
vim /etc/exports
添加一行：
/data/essnapshot *(rw,no_root_squash,no_all_squash,sync)
重启服务
exportfs -r
service rpcbind restart
service nfs restart
6、在ES节点2、3及其他节点上挂载NFS
showmount -e x.x.x.x查看是否正常释放挂载点
接下来开始挂载
mkdir -p /data/essnapshot
chown -R elasticsearch:elasticsearch /data/essnapshot
mount -t nfs 10.0.1.111:/data/essnapshot /data/essnapshot1 -o proto=tcp -o nolock
确保所有节点都能看到/data/essnapshot里的文件
7、在其中一台ES上执行命令，创建备份repo
curl -XPUT 'http://10.0.0.7:9200/_snapshot/my_backup' -d '{"type":"fs","settings":{"location":"/data/essnapshot","compress":"true"}}' -H'Content-Type: application/json'
8、将文件移动到snapshot目录
mv /data/esback/* /data/essnapshot
9、restore
curl -XPOST 'http://10.0.0.7:9200/_snapshot/my_backup/snapshot_1/_restore?wait_for_completion=true'