BlueArc puts replication on a diet
Thin replication
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Hardware-accelerated filer supplier BlueArc has stopped replicating useless data with its latest software release.
Replication involves sending copied storage data to a nearby or remote storage array for disaster-recovery protection. The JetMirror feature of version 8 of BlueArc's System Software is claimed to replicate large and complicated file systems up to 26 times faster than unnamed competing products. It only sends changed objects across the network instead of complete files. The product can also skip empty blocks. BlueArc says JetMirror is "more intelligent" than general block-level replication and can be faster.
The v8.0 software includes JetClone functionality to create cloned copies of file systems using writable snapshots and storing later changes separately. This approach uses much less storage than making full-sized clones. BlueArc says there is a virtually unlimited capability to create cloned copies because it has a 256TB file system. This is said to be good news for virtual servers and Virtual Desktop Infrastructure test and development environments. ®
COMMENTS
more scalable too
also more scalable, nobody in their right mind would run 100+TB file server off a windows (or generic linux for that matter) system.
bluearc isn't a SOHO solution.
Yesterday's technology today!
D from NetApp...
NetApp has had thin replication relying on only sending actual changed blocks - since it was first launched many years ago.
It is indeed a very useful feature and good for Bluearc that they finally have it.
D
Sounds very much like...
... Volume Shadow Copy and Remote Differential Compression, both baked into Windows (Windows Storage Server also has a Single Instance Storage service) for no additional cost...
I suppose the hardware accelerated part is the difference here...?
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