Disaster Recovery Linux Manager (DRLM)
Disaster Recovery Linux Manager (DRLM) Is a Central Management Open Source Software for Linux Disaster Recovery and System Migrations, based on Relax-and-Recover (ReaR).
DRLM provides Central Management and Deployment from small to large Linux Disaster Recovery Implementations bringing a great Centralized Management Tool to Linux SysAdmins.
With DRLM SysAdmins can add/delete/modify networks and ReaR clients to manage, run backups and enable/disable Disaster Recovery system images to recovery through network.
For more detailed information about Disaster Recovery Linux Manager, please read the Disaster Recovery Linux Manager Project Web Page.
As DRLM has been solely written in the bash language we need the bash shell which is standard available on all GNU/Linux based systems.
Also requires some system services in order to work properly:
All other required programs (like sort, dd, grep, etc.) are so common, that we don’t list them as requirements. In case your specific workflow requires additional tools, Disaster Recovery Linux Manager will tell you.
DRLM is a tool to manage REAR systems, so all clients need REAR package and its dependencies to work properly.
For detailed documentation of DRLM and all system and software requirements, please visit: http://docs.drlm.org
On RPM based systems you should use the drlm RPM package. Either obtain it from the DRLM homepage or build it yourself from the source tree with:
$ make rpm
This will create an RPM for your distribution. The RPM is not platform- dependant and should work also on other RPM based distributions.
On DEB based systems you can execute the command:
$ make deb
To configure Disaster Recovery Linux Manager you have to edit the configuration files in ‘/etc/drlm/’. All ‘*.conf’ files there are part of the configuration, but only ‘local.conf’ are intended for the user configuration.
TFTP, HTTP are the services to be manually configured. The other sevices are automatically configured through DRLM commands.
To configure the TFTP is nedeed deefine the DRLM Store Dir as root and enable the TFTP service on system startup.
To configure the HTTP is nedeed enable SSL in the Apache server and include the DRLM http config file in the Apache configuration files.
Also is needed increment the loop limit devices in grub config in order to be able reach all DRLM clients.
To use Disaster Recovery Linux Manager you always call the main script ‘/usr/sbin/drlm’:
# drlm --help Usage: drlm [-dDsSvV] COMMAND [-- ARGS...] Disaster Recovery Linux Manager comes with ABSOLUTELY NO WARRANTY; for details see The GNU General Public License at: http://www.gnu.org/licenses/gpl.html Available options: -d debug mode; log debug messages -D debugscript mode; log every function call -s simulation mode; show what scripts drlm would include -S step-by-step mode; acknowledge each script individually -v verbose mode; show more output -V version information List of commands: addclient register new client to DB. addjob register new job to DB. addnetwork register new network to DB. bkpmgr manage DRLM backup states. delbackup delete backup and unregister from DB. delclient delete client from DB. deljob delete job from DB. delnetwork delete network from DB. expbackup export backup from DB. impbackup import backup from DB. instclient install client from DRLM listbackup list client backups. listclient list registered clients. listjob list planned jobs. listnetwork list registered networks. modclient modify client properties. modnetwork modify network properties. runbackup run backup and register to DB. sched schedule planned jobs. Use 'drlm COMMAND --help' for more advanced commands.
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