This chapter describes how to operate the backup and restoration of the admin server of ServerView Resource Orchestrator Cloud Edition (referred to as "this product" in this guide).
Backing up the Admin Server
The two methods of backing up the Management Server are shown below.
With either method, backup can be performed by executing one command (the rcxmgrbackup command).
Refer to "1.8.11 rcxmgrbackup" in the "Reference Guide (Resource Management) CE" for information on the rcxmgrbackup command.
Offline backup
The manager of this product is stopped and then resources are backed up. A backup is taken at the following times:
When installation of this product has completed
When using an offline backup, backup of the following resource is not performed:
Audit log
Online backup
Resources are backed up without the manager of this product being stopped. Backing up periodically is recommended for online backups.
To save time when restoring configuration information at operation, take an online backup if configuration information is to be updated.
When using an online backup, backup of the following resources is not performed:
Dashboard information
Operational status information
Audit log
Application information
Definition file
Some L-Platform management settings
Tenant management and account management settings
Operational status server list settings
CMDB agent event log output settings
Online backup uses the PostgreSQL Point-In-Time Recovery (PITR) mechanism.
There are two online backup methods, each with a different database collection range, as follows:
Base backup
Base backup is the backup of the entire database cluster (file group in which database data is recorded). A base backup is taken by executing the rcxmgrbackup -base command.
Refer to "Base backup" in "8.3 Online Backup of the Admin Server" for details.
Differential backup
With differential backup, the contents of updates to the database are output to multiple files in 16 MB-sized lots.
These files are called Write-Ahead Logging (WAL) files.
Usually, for each 16 MB written, the WAL file being written to is switched, and the WAL file for which writing has completed is saved to the "wal" directory under the backup directory.
Periodically executing the rcxmgrbackup command allows the contents of updates to the database that are recorded in saved WAL files to be maintained for a certain period of time. For example, when the rcxmgrbackup command is executed every hour, the contents of updates performed in the most recent one-hour period will be saved.
Refer to "Differential backup" in "8.3 Online Backup of the Admin Server" for details.
Restoring the Admin Server
Database restoration restores by applying to the base backup the contents of updates to the database in WAL files that have been output after the base backup was taken. The rcxmgrrestore command is used for restoration.
Refer to Section "8.4 Restoration of the Admin Server" for details.
