ahf：就是工具合集，大名是自治健康框架Autonomous Health Framework
需要从官方下载一个包，安装后，它自己后台运行，搜集日志方便很多了。
下载到本地后（360多兆），解压
[root@dbserver01 a]# unzip -q AHF-LINUX_v19.3.2.zip
[root@dbserver01 a]# ll
total 722704
-rw-r--r-- 1 oracle oinstall 366721686 Feb 12 15:22 AHF-LINUX_v19.3.2.zip
-rwxr-xr-x 1 root root 373317903 Dec 20 01:42 ahf_setup
-rw-r--r-- 1 root root 832 Dec 20 02:00 README.txt
用root执行安装，对，直接装
[root@dbserver01 a]#
./ahf_setup
AHF Installer for Platform Linux Architecture x86_64
AHF Installation Log : /tmp/ahf_install_38663_2020_02_12-15_23_12.log
Starting Autonomous Health Framework (AHF) Installation
AHF Version: 193200 Build Date: 201911251327
TFA is already installed at : /u01/app/11.2.0.4/grid/tfa/dbserver01/tfa_home
Installed TFA Version : 121284 Build ID : 20170203230512
Default AHF Location : /opt/oracle.ahf
Do you want to change AHF Location (/opt/oracle.ahf) ? Y|[N] :
直接回车
AHF Location : /opt/oracle.ahf
AHF Data Directory stores diagnostic collections and metadata.
AHF Data Directory requires at least 5GB (Recommended 10GB) of free space.
Choose Data Directory from below options :
1. /opt/oracle.ahf [Free Space : 4751 MB]
2. /u01/app/grid [Free Space : 59331 MB]
3. Enter a different Location
Choose Option [1 - 3] :
2 我选2将数据放到grid目录下，因为/opt通常比较小
AHF Data Directory : /u01/app/grid/oracle.ahf/data
Shutting down TFA : /u01/app/11.2.0.4/grid/tfa/dbserver01/tfa_home
Copying TFA Data Files from /u01/app/11.2.0.4/grid/tfa/dbserver01/tfa_home
Uninstalling TFA : /u01/app/11.2.0.4/grid/tfa/dbserver01/tfa_home
Do you want to add AHF Notification Email IDs ? [Y]|N :
N 不收通知邮件
AHF will also be installed/upgraded on these Cluster Nodes :
1. dbserver02
The AHF Location and AHF Data Directory must exist on the above nodes
AHF Location : /opt/oracle.ahf
AHF Data Directory : /u01/app/grid/oracle.ahf/data
Do you want to install/upgrade AHF on Cluster Nodes ? [Y]|N :
N
Not performing install/upgrade on Cluster Nodes
Extracting AHF to /opt/oracle.ahf
Configuring TFA Services
Copying TFA Data Files to AHF
File /u01/app/grid/oracle.ahf/data/dbserver01/tfa/internal/smtp.properties.patch not found
File /u01/app/grid/oracle.ahf/data/dbserver01/tfa/internal/timezones_mapping.patch not found
Discovering Nodes and Oracle Resources
Starting TFA Services
.-------------------------------------------------------------------------------.
| Host | Status of TFA | PID | Port | Version | Build ID |
+------------+---------------+-------+------+------------+----------------------+
| dbserver01 | RUNNING | 42213 | 5000 | 19.3.2.0.0 | 19320020191125132721 |
| dbserver02 | RUNNING | 13462 | 5000 | 19.3.2.0.0 | 19320020191125132721 |
'------------+---------------+-------+------+------------+----------------------'
Running TFA Inventory...
Adding default users to TFA Access list...
.-----------------------------------------------------------------.
| Summary of AHF Configuration |
+-----------------+-----------------------------------------------+
| Parameter | Value |
+-----------------+-----------------------------------------------+
| AHF Location | /opt/oracle.ahf |
| TFA Location | /opt/oracle.ahf/tfa |
| Orachk Location | /opt/oracle.ahf/orachk |
| Data Directory | /u01/app/grid/oracle.ahf/data |
| Repository | /u01/app/grid/oracle.ahf/data/repository |
| Diag Directory | /u01/app/grid/oracle.ahf/data/dbserver01/diag |
'-----------------+-----------------------------------------------'
Starting orachk daemon from AHF ...
AHF binaries are available in /opt/oracle.ahf/bin
AHF is successfully installed
Moving /tmp/ahf_install_38663_2020_02_12-15_23_12.log to /u01/app/grid/oracle.ahf/data/dbserver01/diag/ahf/
[root@dbserver01 a]#
安装完毕了。
它会自动检测到RAC集群的不同节点，
建议只选择本地安装。
抓一次信息试试：
[root@dbserver02 ~]# cd /opt/oracle.ahf/
[root@dbserver02 oracle.ahf]# cd tfa
[root@dbserver02 tfa]# ls
bin DISCLAIMER.txt ext input install internal public.jks README.txt resources tfa.install.properties tfa.jks transfers
[root@dbserver02 tfa]# cd bin
[root@dbserver02 bin]#
./tfactl diagcollect -from "Feb/12/2020 14:50:00" -to "Feb/12/2020 17:05:00"
Collecting data for all nodes
Scanning files from Feb/12/2020 14:50:00 to Feb/12/2020 17:05:00
WARNING: End time entered is after the current system time.
Collection Id : 20200212152634dbserver02
Detailed Logging at : /u01/app/grid/oracle.ahf/data/repository/collection_Wed_Feb_12_15_26_35_CST_2020_node_all/diagcollect_20200212152634_dbserver02.log
2020/02/12 15:26:39 CST : NOTE : Any file or directory name containing the string .com will be renamed to replace .com with dotcom
2020/02/12 15:26:39 CST : Collection Name : tfa_Wed_Feb_12_15_26_35_CST_2020.zip
2020/02/12 15:26:39 CST : Collecting diagnostics from hosts : [dbserver01, dbserver02]
2020/02/12 15:26:39 CST : Scanning of files for Collection in progress...
2020/02/12 15:26:39 CST : Collecting additional diagnostic information...
2020/02/12 15:26:44 CST : Getting list of files satisfying time range [02/12/2020 14:50:00 CST, 02/12/2020 15:26:39 CST]
2020/02/12 15:26:46 CST : Collecting ADR incident files...
2020/02/12 15:27:56 CST : Completed collection of additional diagnostic information...
2020/02/12 15:28:01 CST : Completed Local Collection
2020/02/12 15:28:01 CST : Remote Collection in Progress...
.---------------------------------------.
| Collection Summary |
+------------+-----------+-------+------+
| Host | Status | Size | Time |
+------------+-----------+-------+------+
| dbserver01 | Completed | 3.2MB | 85s |
| dbserver02 | Completed | 2.7MB | 82s |
'------------+-----------+-------+------'
Logs are being collected to: /u01/app/grid/oracle.ahf/data/repository/collection_Wed_Feb_12_15_26_35_CST_2020_node_all
/u01/app/grid/oracle.ahf/data/repository/collection_Wed_Feb_12_15_26_35_CST_2020_node_all/dbserver02.tfa_Wed_Feb_12_15_26_35_CST_2020.zip
/u01/app/grid/oracle.ahf/data/repository/collection_Wed_Feb_12_15_26_35_CST_2020_node_all/dbserver01.tfa_Wed_Feb_12_15_26_35_CST_2020.zip
[root@dbserver02 bin]#
抓完了，生成两个zip包，因为RAC节点有两个，它会自动取。
然后就可以将这两个zip上传到MOS了。
