Ameer Hamza 23f063d2e6 zed: prevent automatic replacement of offline vdevs
When an OFFLINE device is physically removed, a spare is automatically
activated. However, this behavior differs in FreeBSD, where we do not
transition from OFFLINE state to REMOVED.
Our support team has encountered cases where customers experienced
unexpected behavior during drive replacements, with multiple spares
activating for the same VDEV due to a single disk replacement. This
patch ensures that a drive in an OFFLINE state remains in that state,
preventing it from transitioning to REMOVED and being automatically
replaced by a spare.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Ameer Hamza <ahamza@ixsystems.com>
Closes #16751
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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 13.0-RELEASE.
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