本文介绍了一款名为exachk的健康检查工具的使用过程。该工具能够收集系统信息并检查最佳实践建议，包括文件系统配置、内核参数设置等。exachk还能够生成详细的报告，帮助管理员诊断和解决问题。
[root@localhost soft]# ll
total 19644
drwxrwxr-x 8 root root 4096 Jul 14 2012 dl180
-rwxrwxrwx 1 soft soft 8087387 Aug 11 11:26 exachk_2251_bundle.zip
-rw-r--r-- 1 root root 646611 Jun 2 17:19 ExachkBestPracticeChecks_v225.pdf
-rw-r--r-- 1 root root 29202 Mar 13 2012 exachk_dbm_post-upgrade_public.html
-rw-r--r-- 1 root root 595206 Mar 13 2012 exachk_dbm_pre-upgrade_public.html
-rw-r--r-- 1 root root 48728 Mar 1 2013 exachk_diff_sample_report_public.html
-rw-r--r-- 1 root root 519092 Jun 2 13:49 ExachkFeatureFixHistory_v225.pdf
-rw-r--r-- 1 root root 1053978 Mar 1 2013 exachk_profile_sysadmin_sample_public.html
-rw-r--r-- 1 root root 2294613 May 30 14:43 exachk_RanDomdb03_exalytic_052914_104722_public.html
-rw-r--r-- 1 root root 1179305 Aug 1 11:06 ExachkUserGuide_v2251.pdf
-rw-r--r-- 1 root root 5519638 Aug 1 08:27 exachk.zip
-rwxrwxrwx 1 soft soft 58509 Aug 11 11:26 HealthCheck_bundle.zip
-rw-r--r-- 1 root root 583 Aug 1 11:09 md5sums.txt
[root@localhost soft]# zunzip exachk.zip
-bash: zunzip: command not found
[root@localhost soft]# unzip exachk.zip
Archive: exachk.zip
inflating: UserGuide.txt
inflating: rules.dat
inflating: exachk
creating: .cgrep/
inflating: .cgrep/lcgrep5
inflating: .cgrep/auto_upgrade.pl
inflating: .cgrep/check_reblance_free_space.sql
inflating: .cgrep/psqlplus
inflating: .cgrep/scgrepx86
inflating: .cgrep/init.tmpl
inflating: .cgrep/utluppkg.sql
inflating: .cgrep/scgrep
inflating: .cgrep/versions.dat
inflating: .cgrep/raw_data_browser.pl
inflating: .cgrep/lcgrep6
inflating: .cgrep/profiles.dat
inflating: .cgrep/auto_upgrade_check.pl
inflating: .cgrep/CollectionManager_App.sql
inflating: .cgrep/utlu112i.sql
inflating: .cgrep/ggdiscovery.sh
inflating: .cgrep/checkDiskFGMapping.sh
inflating: .cgrep/pxhcdr.sql
inflating: .cgrep/diff_collections.pl
inflating: .cgrep/rack_comparison.py
inflating: .cgrep/exalogic_zfs_checks.aksh
inflating: .cgrep/lcgrep3
inflating: .cgrep/merge_collections.pl
inflating: .cgrep/show_file_in_html.pl
inflating: .cgrep/scnhealthcheck.sql
inflating: .cgrep/reset_crshome.pl
inflating: .cgrep/ogghc_12101.sql
creating: .cgrep/profiles/
inflating: .cgrep/profiles/DF65D0F7FB6F1014E04312C0E50A7808.prf
inflating: .cgrep/profiles/DFE9C207A8F2428CE04313C0E50A6B0A.prf
inflating: .cgrep/profiles/D49C4F9F48735396E0431EC0E50A9A0B.prf
inflating: .cgrep/profiles/D49C0AB26A6D45A8E0431EC0E50ADE06.prf
inflating: .cgrep/profiles/D49BDC2EC9E624AEE0431EC0E50A3E12.prf
inflating: .cgrep/profiles/F9ED0179CCD8256BE04312C0E50A5399.prf
inflating: .cgrep/profiles/F6AFECA37F177C3FE04313C0E50A56BF.prf
inflating: .cgrep/profiles/D49B218473787400E0431EC0E50A0BB9.prf
inflating: .cgrep/profiles/E2E972DDE1E14493E04312C0E50A1AB1.prf
inflating: .cgrep/profiles/F32F44CE0BCD662FE04312C0E50AB058.prf
inflating: .cgrep/profiles/D49AD88F8EE75CD8E0431EC0E50A0BC3.prf
inflating: .cgrep/profiles/E8DF76E07DD82E0DE04313C0E50AA55D.prf
inflating: .cgrep/profiles/EA5EE324E7E05128E04313C0E50A4B2A.prf
inflating: .cgrep/profiles/D462A6F7E9C340FDE0431EC0E50ABE12.prf
inflating: .cgrep/profiles/E1BF012E8F210839E04313C0E50A7B68.prf
inflating: .cgrep/profiles/DF65D6117CB41054E04312C0E50A69D1.prf
inflating: .cgrep/profiles/D8367AD6754763FEE04312C0E50A6FCB.prf
inflating: .cgrep/profiles/D49C0FBF8FBF4B1AE0431EC0E50A0F24.prf
inflating: .cgrep/profiles/DA94919CD0DE0913E04312C0E50A7996.prf
inflating: .cgrep/profiles/EF6C016813C51366E04313C0E50AE11F.prf
extracting: .cgrep/profiles/F13E11974A282AB3E04312C0E50ABCBF.prf
inflating: .cgrep/utlusts.sql
inflating: .cgrep/asrexacheck
inflating: .cgrep/create_version.pl
inflating: .cgrep/oracle-upstarttmpl.conf
inflating: .cgrep/preupgrd.sql
inflating: .cgrep/ogghc_11203.sql
inflating: .cgrep/ogghc_11204.sql
inflating: CollectionManager_App.sql
inflating: readme.txt
inflating: collections.dat
[root@localhost soft]# ll
total 50536
-rw-r--r-- 1 root root 3435193 May 31 14:37 CollectionManager_App.sql
-rwxr-xr-x 1 root root 23055912 Jul 31 18:55 collections.dat
drwxrwxr-x 8 root root 4096 Jul 14 2012 dl180
-rwxr-xr-x 1 root root 1604241 Aug 1 10:01 exachk
-rwxrwxrwx 1 soft soft 8087387 Aug 11 11:26 exachk_2251_bundle.zip
-rw-r--r-- 1 root root 646611 Jun 2 17:19 ExachkBestPracticeChecks_v225.pdf
-rw-r--r-- 1 root root 29202 Mar 13 2012 exachk_dbm_post-upgrade_public.html
-rw-r--r-- 1 root root 595206 Mar 13 2012 exachk_dbm_pre-upgrade_public.html
-rw-r--r-- 1 root root 48728 Mar 1 2013 exachk_diff_sample_report_public.html
-rw-r--r-- 1 root root 519092 Jun 2 13:49 ExachkFeatureFixHistory_v225.pdf
-rw-r--r-- 1 root root 1053978 Mar 1 2013 exachk_profile_sysadmin_sample_public.html
-rw-r--r-- 1 root root 2294613 May 30 14:43 exachk_RanDomdb03_exalytic_052914_104722_public.html
-rw-r--r-- 1 root root 1179305 Aug 1 11:06 ExachkUserGuide_v2251.pdf
-rw-r--r-- 1 root root 5519638 Aug 1 08:27 exachk.zip
-rwxrwxrwx 1 soft soft 58509 Aug 11 11:26 HealthCheck_bundle.zip
-rw-r--r-- 1 root root 583 Aug 1 11:09 md5sums.txt
-rw-r--r-- 1 root root 2590 May 31 14:37 readme.txt
-rwxr-xr-x 1 root root 3482957 Jul 31 18:36 rules.dat
-rw-r--r-- 1 root root 296 May 31 14:37 UserGuide.txt
[root@localhost soft]# ./exachk
This computer is for [S]ingle instance database or part of a [C]luster to run RAC database [S|C] [C]:
Unable to determine nodes in cluster. Do you want to enter manually.[y/n][y]
Enter cluster node names delimited by comma.by default localhost will be printed (eg. node2,node3,node4)
localhost,
Checking ssh user equivalency settings on all nodes in cluster
exachk did not find the inventory location on localhost from environment.Does localhost have Oracle software installed [y/n][n]?n
Since no CRS and RDBMS binaries could be found, the script will check only Linux best practices. Oracle patch checking will also be skipped.
Checking Status of Oracle Software Stack - Clusterware, ASM, RDBMS
. . . . . . . . .
-------------------------------------------------------------------------------------------------------
Oracle Stack Status
-------------------------------------------------------------------------------------------------------
Host Name CRS Installed ASM HOME RDBMS Installed CRS UP ASM UP RDBMS UP DB Instance Name
-------------------------------------------------------------------------------------------------------
localhost No No No No No No
-------------------------------------------------------------------------------------------------------
Copying plug-ins
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
*** Checking Best Practice Recommendations (PASS/WARNING/FAIL) ***
Collections and audit checks log file is
/home/soft/exachk_localhost_081114_113002/log/exachk.log
Checking for prompts in /root/.bash_profile on localhost for root user...
=============================================================
Node name - localhost
=============================================================
Collecting - /proc/cmdline
Collecting - /proc/modules
Collecting - CPU Information
Collecting - DiskFree Information
Collecting - DiskMount Information
Collecting - Huge pages configuration
Collecting - Kernel parameters
Collecting - Linux module config.
Collecting - Maximum number of semaphore sets on system
Collecting - Maximum number of semaphores on system
Collecting - Maximum number of semaphores per semaphore set
Collecting - Memory Information
Collecting - NUMA Configuration
Collecting - Network Interface Configuration
Collecting - Network Performance
Collecting - OS Packages
Collecting - OS version
Collecting - Operating system release information and kernel version
Collecting - Oracle Executable Attributes
Collecting - Table of file system defaults
Collecting - number of semaphore operations per semop system call
Data collections completed. Checking best practices on localhost.
--------------------------------------------------------------------------------------
WARNING => /tmp is NOT on a dedicated filesystem
WARNING => OSWatcher is not running as is recommended.
WARNING => loopback address is NOT configured as recommended in /etc/hosts
WARNING => TFA Collector is either not installed or not running
WARNING => vm.min_free_kbytes should be set as recommended.
total 19644
drwxrwxr-x 8 root root 4096 Jul 14 2012 dl180
-rwxrwxrwx 1 soft soft 8087387 Aug 11 11:26 exachk_2251_bundle.zip
-rw-r--r-- 1 root root 646611 Jun 2 17:19 ExachkBestPracticeChecks_v225.pdf
-rw-r--r-- 1 root root 29202 Mar 13 2012 exachk_dbm_post-upgrade_public.html
-rw-r--r-- 1 root root 595206 Mar 13 2012 exachk_dbm_pre-upgrade_public.html
-rw-r--r-- 1 root root 48728 Mar 1 2013 exachk_diff_sample_report_public.html
-rw-r--r-- 1 root root 519092 Jun 2 13:49 ExachkFeatureFixHistory_v225.pdf
-rw-r--r-- 1 root root 1053978 Mar 1 2013 exachk_profile_sysadmin_sample_public.html
-rw-r--r-- 1 root root 2294613 May 30 14:43 exachk_RanDomdb03_exalytic_052914_104722_public.html
-rw-r--r-- 1 root root 1179305 Aug 1 11:06 ExachkUserGuide_v2251.pdf
-rw-r--r-- 1 root root 5519638 Aug 1 08:27 exachk.zip
-rwxrwxrwx 1 soft soft 58509 Aug 11 11:26 HealthCheck_bundle.zip
-rw-r--r-- 1 root root 583 Aug 1 11:09 md5sums.txt
[root@localhost soft]# zunzip exachk.zip
-bash: zunzip: command not found
[root@localhost soft]# unzip exachk.zip
Archive: exachk.zip
inflating: UserGuide.txt
inflating: rules.dat
inflating: exachk
creating: .cgrep/
inflating: .cgrep/lcgrep5
inflating: .cgrep/auto_upgrade.pl
inflating: .cgrep/check_reblance_free_space.sql
inflating: .cgrep/psqlplus
inflating: .cgrep/scgrepx86
inflating: .cgrep/init.tmpl
inflating: .cgrep/utluppkg.sql
inflating: .cgrep/scgrep
inflating: .cgrep/versions.dat
inflating: .cgrep/raw_data_browser.pl
inflating: .cgrep/lcgrep6
inflating: .cgrep/profiles.dat
inflating: .cgrep/auto_upgrade_check.pl
inflating: .cgrep/CollectionManager_App.sql
inflating: .cgrep/utlu112i.sql
inflating: .cgrep/ggdiscovery.sh
inflating: .cgrep/checkDiskFGMapping.sh
inflating: .cgrep/pxhcdr.sql
inflating: .cgrep/diff_collections.pl
inflating: .cgrep/rack_comparison.py
inflating: .cgrep/exalogic_zfs_checks.aksh
inflating: .cgrep/lcgrep3
inflating: .cgrep/merge_collections.pl
inflating: .cgrep/show_file_in_html.pl
inflating: .cgrep/scnhealthcheck.sql
inflating: .cgrep/reset_crshome.pl
inflating: .cgrep/ogghc_12101.sql
creating: .cgrep/profiles/
inflating: .cgrep/profiles/DF65D0F7FB6F1014E04312C0E50A7808.prf
inflating: .cgrep/profiles/DFE9C207A8F2428CE04313C0E50A6B0A.prf
inflating: .cgrep/profiles/D49C4F9F48735396E0431EC0E50A9A0B.prf
inflating: .cgrep/profiles/D49C0AB26A6D45A8E0431EC0E50ADE06.prf
inflating: .cgrep/profiles/D49BDC2EC9E624AEE0431EC0E50A3E12.prf
inflating: .cgrep/profiles/F9ED0179CCD8256BE04312C0E50A5399.prf
inflating: .cgrep/profiles/F6AFECA37F177C3FE04313C0E50A56BF.prf
inflating: .cgrep/profiles/D49B218473787400E0431EC0E50A0BB9.prf
inflating: .cgrep/profiles/E2E972DDE1E14493E04312C0E50A1AB1.prf
inflating: .cgrep/profiles/F32F44CE0BCD662FE04312C0E50AB058.prf
inflating: .cgrep/profiles/D49AD88F8EE75CD8E0431EC0E50A0BC3.prf
inflating: .cgrep/profiles/E8DF76E07DD82E0DE04313C0E50AA55D.prf
inflating: .cgrep/profiles/EA5EE324E7E05128E04313C0E50A4B2A.prf
inflating: .cgrep/profiles/D462A6F7E9C340FDE0431EC0E50ABE12.prf
inflating: .cgrep/profiles/E1BF012E8F210839E04313C0E50A7B68.prf
inflating: .cgrep/profiles/DF65D6117CB41054E04312C0E50A69D1.prf
inflating: .cgrep/profiles/D8367AD6754763FEE04312C0E50A6FCB.prf
inflating: .cgrep/profiles/D49C0FBF8FBF4B1AE0431EC0E50A0F24.prf
inflating: .cgrep/profiles/DA94919CD0DE0913E04312C0E50A7996.prf
inflating: .cgrep/profiles/EF6C016813C51366E04313C0E50AE11F.prf
extracting: .cgrep/profiles/F13E11974A282AB3E04312C0E50ABCBF.prf
inflating: .cgrep/utlusts.sql
inflating: .cgrep/asrexacheck
inflating: .cgrep/create_version.pl
inflating: .cgrep/oracle-upstarttmpl.conf
inflating: .cgrep/preupgrd.sql
inflating: .cgrep/ogghc_11203.sql
inflating: .cgrep/ogghc_11204.sql
inflating: CollectionManager_App.sql
inflating: readme.txt
inflating: collections.dat
[root@localhost soft]# ll
total 50536
-rw-r--r-- 1 root root 3435193 May 31 14:37 CollectionManager_App.sql
-rwxr-xr-x 1 root root 23055912 Jul 31 18:55 collections.dat
drwxrwxr-x 8 root root 4096 Jul 14 2012 dl180
-rwxr-xr-x 1 root root 1604241 Aug 1 10:01 exachk
-rwxrwxrwx 1 soft soft 8087387 Aug 11 11:26 exachk_2251_bundle.zip
-rw-r--r-- 1 root root 646611 Jun 2 17:19 ExachkBestPracticeChecks_v225.pdf
-rw-r--r-- 1 root root 29202 Mar 13 2012 exachk_dbm_post-upgrade_public.html
-rw-r--r-- 1 root root 595206 Mar 13 2012 exachk_dbm_pre-upgrade_public.html
-rw-r--r-- 1 root root 48728 Mar 1 2013 exachk_diff_sample_report_public.html
-rw-r--r-- 1 root root 519092 Jun 2 13:49 ExachkFeatureFixHistory_v225.pdf
-rw-r--r-- 1 root root 1053978 Mar 1 2013 exachk_profile_sysadmin_sample_public.html
-rw-r--r-- 1 root root 2294613 May 30 14:43 exachk_RanDomdb03_exalytic_052914_104722_public.html
-rw-r--r-- 1 root root 1179305 Aug 1 11:06 ExachkUserGuide_v2251.pdf
-rw-r--r-- 1 root root 5519638 Aug 1 08:27 exachk.zip
-rwxrwxrwx 1 soft soft 58509 Aug 11 11:26 HealthCheck_bundle.zip
-rw-r--r-- 1 root root 583 Aug 1 11:09 md5sums.txt
-rw-r--r-- 1 root root 2590 May 31 14:37 readme.txt
-rwxr-xr-x 1 root root 3482957 Jul 31 18:36 rules.dat
-rw-r--r-- 1 root root 296 May 31 14:37 UserGuide.txt
[root@localhost soft]# ./exachk
This computer is for [S]ingle instance database or part of a [C]luster to run RAC database [S|C] [C]:
Unable to determine nodes in cluster. Do you want to enter manually.[y/n][y]
Enter cluster node names delimited by comma.by default localhost will be printed (eg. node2,node3,node4)
localhost,
Checking ssh user equivalency settings on all nodes in cluster
exachk did not find the inventory location on localhost from environment.Does localhost have Oracle software installed [y/n][n]?n
Since no CRS and RDBMS binaries could be found, the script will check only Linux best practices. Oracle patch checking will also be skipped.
Checking Status of Oracle Software Stack - Clusterware, ASM, RDBMS
. . . . . . . . .
-------------------------------------------------------------------------------------------------------
Oracle Stack Status
-------------------------------------------------------------------------------------------------------
Host Name CRS Installed ASM HOME RDBMS Installed CRS UP ASM UP RDBMS UP DB Instance Name
-------------------------------------------------------------------------------------------------------
localhost No No No No No No
-------------------------------------------------------------------------------------------------------
Copying plug-ins
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
*** Checking Best Practice Recommendations (PASS/WARNING/FAIL) ***
Collections and audit checks log file is
/home/soft/exachk_localhost_081114_113002/log/exachk.log
Checking for prompts in /root/.bash_profile on localhost for root user...
=============================================================
Node name - localhost
=============================================================
Collecting - /proc/cmdline
Collecting - /proc/modules
Collecting - CPU Information
Collecting - DiskFree Information
Collecting - DiskMount Information
Collecting - Huge pages configuration
Collecting - Kernel parameters
Collecting - Linux module config.
Collecting - Maximum number of semaphore sets on system
Collecting - Maximum number of semaphores on system
Collecting - Maximum number of semaphores per semaphore set
Collecting - Memory Information
Collecting - NUMA Configuration
Collecting - Network Interface Configuration
Collecting - Network Performance
Collecting - OS Packages
Collecting - OS version
Collecting - Operating system release information and kernel version
Collecting - Oracle Executable Attributes
Collecting - Table of file system defaults
Collecting - number of semaphore operations per semop system call
Data collections completed. Checking best practices on localhost.
--------------------------------------------------------------------------------------
WARNING => /tmp is NOT on a dedicated filesystem
WARNING => OSWatcher is not running as is recommended.
WARNING => loopback address is NOT configured as recommended in /etc/hosts
WARNING => TFA Collector is either not installed or not running
WARNING => vm.min_free_kbytes should be set as recommended.
WARNING => OS parameter vm.swappiness is NOT set to the recommended value
INFO => Consider increasing the COREDUMPSIZE size
---------------------------------------------------------------------------------
CLUSTERWIDE CHECKS
---------------------------------------------------------------------------------
---------------------------------------------------------------------------------
Detailed report (html) - /home/soft/exachk_localhost_081114_113002/exachk_localhost_081114_113002.html
UPLOAD(if required) - /home/soft/exachk_localhost_081114_113002.zip
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