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Alan Somers 67c5e1ba4f
Fix the ZFS checksum error histograms with larger record sizes
My analysis in PR #14716 was incorrect.  Each histogram bucket contains
the number of incorrect bits, by position in a 64-bit word, over the
entire record.  8-bit buckets can overflow for record sizes above 2k.
To forestall that, saturate each bucket at 255.  That should still get
the point across: either all bits are equally wrong, or just a couple
are.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Alan Somers <asomers@gmail.com>
Sponsored-by: Axcient
Closes #15049
2023-07-14 16:13:15 -07:00
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module Fix the ZFS checksum error histograms with larger record sizes 2023-07-14 16:13:15 -07:00
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OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.

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Official Resources

Installation

Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.

Contribute & Develop

We have a separate document with contribution guidelines.

We have a Code of Conduct.

Release

OpenZFS is released under a CDDL license. For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197

Supported Kernels

  • The META file contains the officially recognized supported Linux kernel versions.
  • Supported FreeBSD versions are any supported branches and releases starting from 12.2-RELEASE.