![]() These vendors market 20x or even higher data reduction ratios, and will usually deliver on this promise with a couple of gotchas: their data reduction numbers do assume that the incoming data is uncompressed, unencrypted and includes a large number of periodic full backups. The perception here is that for long-term retention scenarios, it is essential to acquire a deduplicating storage appliance. Nevertheless, where space-less fulls really change the game is GFS backups. ![]() But even if you don't need GFS backups, there may still be the need for periodic synthetic fulls, for example to "seal" the previous full backup chain in order to make it eligible for offload to object storage. This quite literally means that GFS backups are "free" to create, because they take no physical disk space. The fast cloning technology we at Veeam are able to use with ReFS/XFS volumes comes with many benefits, but the biggest one is what we call " space-less" synthetic full backups. ![]() I felt there was the need to raise more awareness here, because I often find myself recommending them as the solution to various customers' challenges, and in most cases this feature comes as a surprise. ![]() I wanted to talk about disk space efficiencies of ReFS/XFS backup repositories.
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