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When scrubbing/resilvering a pool it can be counter productive to cancel the scan and kick of a replace operation to a hot spare when encountering checksum errors. In this case, the best course of action is to allow the scrub/resilver to complete as quickly as possible and to keep the vdevs fully online if possible. Realistically, this is less of an issue for a RAIDZ since a traditional resilver must be used and checksums will be verified. However, this is not the case for a mirror or dRAID pool which is sequentially resilvered and checksum verification is deferred until after the replace operation completes. Regardless, we apply this policy to all pool types since it's a good idea for all vdevs. Degrading additional vdevs has the potential to make a bad situation worse. Note the checksum errors will still be reported as both an event and by `zpool status`. This change only prevents the ZED from proactively taking any action. Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #13499 |
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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.
Official Resources
- Documentation - for using and developing this repo
- ZoL Site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
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
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 12.2-RELEASE.