git: 7f42fc03d2a7 - stable/15 - UPDATING: Belatedly note OpenZFS sysctls moving

From: Ed Maste <emaste_at_FreeBSD.org>
Date: Thu, 23 Oct 2025 16:14:49 UTC
The branch stable/15 has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=7f42fc03d2a7119ff9cdf5fc7fc21a0239b42afb

commit 7f42fc03d2a7119ff9cdf5fc7fc21a0239b42afb
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2025-10-16 16:47:08 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2025-10-23 16:14:39 +0000

    UPDATING: Belatedly note OpenZFS sysctls moving
    
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D52665
    
    (cherry picked from commit 9f85cf09d48bb1bebeddab0913fc9ab2735cb810)
---
 UPDATING | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/UPDATING b/UPDATING
index 7469c985698c..31e2a05ce0f1 100644
--- a/UPDATING
+++ b/UPDATING
@@ -16,6 +16,18 @@ and/or ports.
 	Bump __FreeBSD_version to 1500501 for LinuxKPI.  An embedded struct
 	has changed size and might possibly be an issue otherwise.
 
+20251016:
+	With the migration to OpenZFS in FreeBSD 13.x a number of ZFS sysctls
+	moved to new locations, but backwards compatibility aliases were
+	provided.  These aliases will be removed in the near future.  Please
+	update /etc/sysctl.conf to reference the new OIDs.  For example,
+
+	        vfs.zfs.min_auto_ashift=12
+
+	needs to be changed to
+
+	        vfs.zfs.vdev.min_auto_ashift=12
+
 20251015:
 	The "FreeBSD-unbound" package is renamed to "FreeBSD-local-unbound".
 	If you have set-optional or set-base installed, the new package will