Linux MD RAID 10 Improvements/Fixes Queued For Linux 4.20~5.0

Written by Michael Larabel in Linux Storage on 27 October 2018 at 12:28 PM EDT. 5 Comments
For those making use of Linux software RAID, a number of improvements are on deck to the kernel's MD code with the forthcoming Linux 4.20~5.0 cycle.

The MD changes were sent in on Friday and include RAID10 cluster improvements, memory leak fixes, a RAID10 hang fix, a RAID5 block faulty device fix, a meta-data updating fix, and an invalid disk role fix. It's mostly fixes but especially if you are a RAID10 user the kernel upgrade will likely prove beneficial. The complete list of changes can be found via this pull request.

I'll be running some more fresh Linux RAID benchmarks soon on that dual EPYC server (Dell PowerEdge R7425) that has twenty Samsung 860 PRO SATA 3.0 SSDs as well as some kernel I/O scheduler benchmarks and other storage benchmarks.
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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via

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