On behalf of the SPDK community I'm pleased to announce the release of SPDK 21.07!
This release contains the following new features:
- Kernel DSA: Added support in IDXD library for the kernel DSA driver.
- Init library: Added Init library that initializes the SPDK subsystems.
- Userspace DTrace: Added support running bpftrace scripts against SPDK applications. See https://spdk.io/doc/usdt.html.
- zipf utility: Added zipf random number generator with power law probability distribution. When used with bdevperf and nvme perf tools - blocks over the full range of LBAs will be used, but will more frequently select lower-numbered LBAs.
The full changelog for this release is available at:
This release contains 711 commits from 56 authors with over 35k lines of code changed.
We'd especially like to recognize all of our first time contributors:
Thanks to everyone for your contributions, participation, and effort!
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The merge window for SPDK 21.07 release will close by July 23rd.
Please ensure all patches you believe should be included in the release are merged to master branch by this date.
You can do it by adding a hashtag '21.07' in Gerrit on those patches.
The current set of patches that are tagged and need to be reviewed can be seen here:
On July 23rd new branch 'v21.07.x' will be created, and a patch on it will be tagged as release candidate.
Then, by July 30th, a formal release will take place tagging the last patch on the branch as SPDK 21.07.
Between release candidate and formal release, only critical fixes shall be backported to the 'v21.07.x' branch.
Development can continue without disruptions on 'master' branch.
I am running SPDK application on nodes say Node.A & Node.B, both the nodes are accessing the shared disk D connected via network attached storage.
Creating some logical volumes(lvol) through Node.A does not appear to be visible on the Node.B unless and until the SPDK app is restarted or reloaded again.
I wanted to know if there is a way to reload/pull the metadata updates without actually reloading the SPDK app on Node.B?.
Thanks & Regards,