From 077862c0bd20acf18f250b5db0ac1df82d03f0e8 Mon Sep 17 00:00:00 2001
From: Prakash Surya <prakash.surya@delphix.com>
Date: Wed, 9 Mar 2022 12:42:25 -0800
Subject: [PATCH] WIP: Use "1MB" recordsize for "/var/log" dataset

---
 files/common/var/lib/delphix-platform/rpool-upgrade | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/files/common/var/lib/delphix-platform/rpool-upgrade b/files/common/var/lib/delphix-platform/rpool-upgrade
index 9d4ae9535..7ef053910 100755
--- a/files/common/var/lib/delphix-platform/rpool-upgrade
+++ b/files/common/var/lib/delphix-platform/rpool-upgrade
@@ -5,4 +5,13 @@ while read -r feature; do
 done <<-EOF
 	async_destroy
 	lz4_compress
+	large_blocks
 EOF
+
+#
+# We can't use a 1MB recordsize until the "large_blocks" feature is
+# enabled, which is why we chose to apply this configuration here. This
+# should work for both initial installations, as well as upgrades.
+#
+ROOTFS_CONTAINER="$(dirname "$(zfs list -Hpo name /)")"
+zfs set "recordsize=1MB" "$ROOTFS_CONTAINER/log"