es访问报错

#报错原因。根据提示找到对应索引。删除red索引。即可。
[root@ZJHZ-ELK-A002 indices]# curl -XGET -u 'elastic:feiba2020!!..' http://localhost:9200/_cat/indices | grep monitoring
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:--  0:00:01 --:--:--     0red    open .monitoring-kibana-6-2023.04.06         T7llKflxSEKCR5-iJYQaPA 1 1                                
green  open .monitoring-kibana-6-2023.04.07         iIdG286hS7KCZ-fnYjkxBw 1 1      201    0  449.2kb  229.3kb
yellow open .monitoring-alerts-6                    7GIWhoSOTPOLyU7SFwMzJQ 1 1        1    0   12.5kb   12.5kb
100  104k  10green  open .monitoring-es-6-2023.04.07             3Z7Y6YQVSIOyXdH_116xUQ 1 1   250620 1980  113.9mb   55.5mb
0  104k    0     0  95704      0  0:00:01  0:00:01 --:--:-- 95751
[root@ZJHZ-ELK-A002 indices]# curl -XDELETE -u 'elastic:feiba2020!!..' http://localhost:9200/.monitoring-kibana-6-2023.04.06;

/data/apps-data/elasticsearch/nodes/0/indices是es的数据目录。当磁盘空间不足时。根据索引大小过滤出具体索引。再用接口删除索引。