dcf7044522
It was found that setting min_active tunables for non-interactive I/Os makes them stuck. It is caused by zfs_vdev_nia_delay, that can never be reached if we never issue any I/Os due to min_active set to zero. Fix this by issuing at least one non-interactive I/O at a time when there are no interactive I/Os. When there are interactive I/Os, zero min_active allows to completely block any non-interactive I/O. It may min_active starvation in some scenarios, but who we are to deny foot shooting? Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alexander Motin <mav@FreeBSD.org> Closes #11261
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 12-STABLE and 13-CURRENT.