Recovering from database crashes¶
Every Genian NAC's system configures, policies, collection stored on database. If a database problem occurs by H/W or S/W error, you can recover database by using backup file.
Web Console login failure, policy assignment and policy renewal failure, setting lookup failure, etc.
Crashes occur in databases due to various problems. H/W problems Internal database engine problems, setup problems, etc.
Recover the database using the database information in the backup file.
Step 1 If the backup file is inside the equipment you want to restore, navigate to Step3. genian> en genian# @shell !!! WARNNING !!! - SHELL PROMPT IS JUST FOR MAINTENANCE. !!! WARNNING !!! - USE AT YOUR OWN RISK. Genians$ cd /disk/data/DBBACKUP Genians$ rz [Backup File] Genians$ ls drwxr-xr-x 2 root root 4096 May 11 09:43 ./ drwxr-xr-x 36 root root 4096 Apr 21 13:50 ../ -rw-r--r-- 1 root root 193863371 May 11 09:43 ALDER-93180-20210511-094236.tar.gz Step 2 Connect to the gnlogin CLI. genian$ gnlogin Step 3 Verify the backup files at the time you restore them. genian# show backup Backup lists --------------------------------- ALDER-93180-20210511-094236 Step 4 Restore the database (select Database Only under Options). genian# do restore [Backup File Name] Are you sure to restore configuration files (y/N): n Are you sure to restore agent files (y/N): n Are you sure to restore custom files (y/N): n Are you sure to restore database (y/N): y Do you want to start service after restore? (Y/n): y Step 5 If the system is restarted and the database restore is successful, all systems will function normally.