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To add insult to injury, Microsoft doesn’t even provide a tool to “export” specific backups out of the store when desired, although there is at least a third-party utility that sort of works, and Macrium could certainly provide this if they implemented a design like this.Īgain, I’m not saying any of the above makes this a bad idea.
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There are threads about Windows Server Essentials (and previously Windows Home Server) where central store issues prevented any backups from being restored at all. Instead, you would just specify how often backups would run and how long to retain them, perhaps with separate options for how many daily/weekly/monthly backups to retain as WSE offers.Īnd other unavoidable issue with deduplication is the increased impact of corruption. I think a centralized store would also require abandoning traditional GFS backup strategies and its concept of Full/Diff/Inc backups. In this scenario, the Reflect agents’ retention policy would probably be reduced to just marking certain backups as no longer required, and then the server application would have to verify that no OTHER clients still needed any data blocks from those unneeded backups before actually deleting anything. The server application would also have to handle all purging.
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Restores would also probably require a running server for the same reason unless Reflect clients were given the code to parse an entire central store. Clients wouldn’t be able to run backups autonomously anymore. And in fairness, it does have its drawbacks - none of them necessarily dealbreakers, but worth considering.įirst, it would require a centralized data store rather than independent backups, which would in turn mean that a server application would have to be running whenever a client wanted to run a backup in order to “expose” that specific client’s most recent backup so the new data to be backed up could be determined, and to accept the client’s new data into the centralized store.
Options: Deduplication Option for one media server, £1,232 File Server Archiving Option.This would be a killer feature, and it’s a main reason why one of my clients uses Windows Server Essentials for their workstation backups, which works this way, but I imagine it would involve a significant engineering effort that would cause Reflect Agent backups to run very differently from regular Reflect installations.
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However, if you want free server-side deduplication and better reporting facilities then check out CA’s ARCserve r12.5. Deduplication does cost extra and the reporting facilities aren’t up to much but our tests show that good storage savings can be made. VerdictĪlong with the deduplication option, this latest version of Backup Exec delivers plenty of other new features with the focus also on protecting virtualised environments. Unlike ARCserve, this is optional feature but still good value if you want the extra support for client-side and third party deduplication storage devices. This latest version of Backup Exec delivers an impressive range of new features and adding deduplication services finally brings it in line with much of the competition. In fact, ARCserve's reporting tools generally provide a lot more information about all things backup related.
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We weren't overly impressed with the reporting facilities for deduplication as all BE2010 offers are summaries of these jobs showing storage statistics, performance plus achieved ratios and another for the deduplication device.ĪRCserve's reporting is more sophisticated as it provides graphs and pie charts showing nodes involved in deduplication, storage savings over time and historical data.
The total amount of data backed up was 35.5GB but the datastore only contained 23GB of data resulting in an initial deduplication ratio of 1.6:1 and a storage saving of 35 per cent. We also tested deduplication by backing up the system drives on four Windows client systems.
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