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shodanshok
5988de77b0
When replacing a disk, a child process is forked to run a script called zfs_prepare_disk (which can be useful for disk firmware update or health check). The parent than calls waitpid and checks the child error/status code. However, the _reap_children thread (created from zed_exec_process to manage zedlets) also waits for all children with the same PGID and can stole the signal, causing the replace operation to be aborted. As waitpid returns -1, the parent incorrectly assume that the child process had an error or was killed. This, in turn, leaves the newly added disk in REMOVED or UNAVAIL status rather than completing the replace process. This patch changes the PGID of the child process execuing the prepare script, shielding it from the _reap_children thread. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Gionatan Danti <g.danti@assyoma.it> Closes #16801
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 13.0-RELEASE.