ZFS On Linux Adds New Kernel Support, Asynchronous I/O

Written by Michael Larabel in Free Software on 10 April 2015 at 11:44 AM EDT. 4 Comments
A new release of ZFS On Linux is available this week for providing the latest capabilities for this Oracle/Sun ZFS file-system implemented as an out-of-tree, native Linux kernel driver.

The new ZFS On Linux 0.6.4 release is now compatible with kernels up through Linux 4.0. ZFS On Linux 0.6.4 also adds new feature flags of spacemap_histogram, extensible_dataset, bookmarks, enabled_txg, hole)birth, and embedded_data.

Exciting features for ZOL 0.6.4 include asynchronous I/O (AIO) support, LZ4 compression of meta-data, fallocate() punch hole support, new bash completion support, and much more. ZOL's zpool command also has support for some new sub-commands/arguments.

More details on ZFS On Linux 0.6.4 can be found via the release announcement posted to the GitHub project page. I do have plans to do some new, multi-disk ZFS Linux file-system benchmarking, albeit I always seem to run short on time... If you're interested in seeing such new ZFS Linux tests done right, consider subscribing to Phoronix Premium or making a PayPal tip while adding a comment about your ZFS Linux interest.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.

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