Zumastor Zumastor istorage project adds enterprise storage features to Linux, primarily improved snapshots and remote replication.
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storage remote snapshots system backup enterprise storage remote replication

Zumastor Description

Zumastor istorage project adds enterprise storage features to Linux, primarily improved snapshots and remote replication. Zumastor is a storage project that adds enterprise storage features to Linux, primarily improved snapshots and remote replication. Point-in-time, near zero-cost, block level snapshots can be added to any existing filesystem and performance does not degrade with multiple snapshots. Remote replication is achieved by sending minimal block level deltas between snapshots without having to traverse the entire filesystem like rsync does.Here are some key features of "Zumastor":· Point-in-time Snapshots · Adds snapshotting to any Linux filesystem, without re-formatting (ext3, xfs, reiser, etc) · Near-zero-cost, atomic block-device snapshots · Copy-on-write, sharing common data between multiple snapshots · Performance does not degrade with multiple snapshots · Provided via ddsnap kernel driver and userspace ddsnap_server daemon · Remote replication · Transmits delta between snapshots · Optional zlib (gzip) compression · Optional xdelta binary difference compression (experimental) · Simple command line interface - zumastor script · Integration with kerberized NFS kernel server to support exporting a replicated volume with snapshot rollover.What's New in This Release:· This release adds several bugfixes.· In particular, replication between x86 and x86_64 hosts now works.· Experimental native Hardy packages were provided.

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