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Don Brady
28c91ab66d
Tag the ABD data pages so that they can be identified for exclusion from kernel crash dumps. Eliminating the zfs file data allows for significantly smaller crash dump files. Note that ZFS in illumos has always excluded the zfs data pages from a kernel crash dump. This change tags ARC scatter data pages so they can be identified from the makedumpfile(8) command. That command is used to create smaller dump files by ignoring some memory regions and using compression. It already filters file data from the VFS page cache and will now be able to exclude ZFS file data pages from the dump file. A corresponding change to makeumpfile(8) is required to identify ZFS data pages. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Paul Dagnelie <pcd@delphix.com> Signed-off-by: Don Brady <don.brady@delphix.com> Closes #8899
ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.
Official Resources
Installation
Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.
Contribute & Develop
We have a separate document with contribution guidelines.
Release
ZFS on Linux 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 kernel versions.