DIASER A backup management system
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management backup system backup management DIAP technology

DIASER Description

A backup management system DIASER (Distributed Internet Archive System for Educational Repositories), based on the DIAP technology, can create back-ups in multiple locations, thus improving the environment stability and security.System Requirements - Perl v5.10.0 enabled workstation. - 3 x Linux storage nodes (can use VM's) with root access for initial setup and Perl v5.10.0, with services; sshd, crontab, iptables ssh port open, ntpd, rsync (non daemon). - LAN or WAN connection between each server, the 3 machines must be able to ping one another. - SSH server on each node, not necessarily port 22. - Perl modules Workstation: Net::SSH::Perl, Net::SFTP, Getopt::Long and Term::ReadKey Nodes: Net::SSH::Perl i.e. as root ]#yum -y install perl-Net-SSH-Perl or cpan>install Net::SSH::Perl - Enough disk space, see docs/worksheet_3_26_may.pdf or docs/overview.png. I'll make all this much simpler to calculate when I have finished subroutine calculate_lmb. Configuration The file config.pl contains user settings, please edit as required. Main settings: number of months to years you want the system to run for start date time of daily operation node IP addresses SSH ports dry run or not time out and maximum transfer rate Start Installation Run diaser.pl -i as an ordinary user, node root passwords will be requested and make a note of your chosen diaser password. Other options can be viewed with the diaser.pl -h switch. Upgrades Product upgrades will apply fixes and updates, use the -u switch. Data Entry point This machine contains directory ad0 and aFULL01 and is your machine A. Machine A is assumed to be your most robust and closest from a network perspective to your main backup facility. The files are assumed to be read/write by user id diaser for the moment. Use aFull01 for your FULL copy and ad0 for all subsequent Differentials. The script fill_diaser.sh will automate the loading of DIASER, fill_diaser will be re-written in Perl. Data Retrieval Currently retrieval can be achieved by manually using scp between the nodes and using rsync logs. All this will be automated.SE Linux May cause installation problems, please disable while installing. Requirements: · SSH server · Net-SFTP · NTP · iptables · rsync What's New in This Release: · A node migrate facility is now functional, allowing users to move an entire node and its data to a different server. · Added to this release are high level graphics and end user documentation. · Exception handling is done when modules are loaded. · The Perl version is displayed when using the --version option. · An encrypted volume recipe is included in the technical documentation. · Subroutine and its option --stats display disk usage for all nodes. · New functionality has been documented.

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