Sparse Encrypted ZFS Pools are beautifully simple creations, Constantin Gonzalez contends in a recent post. Sparse encrypted disk images show up just like any other hard drive, except on the back end, where they translate into a bunch of flat files that store all the data in an encrypted manner, he writes. By rsyncing the backing store, sparse encrypted disk images can be easily backed up across the net, while ensuring privacy and convenience. Gonzalez outlines a procedure for producing a solution that is encrypted, robust, convenient, and fine-grained, cautioning that it has not yet been blessed by Solaris engineering.
ZFS Encryption: What Is on Disk
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