From ace13281eb68397600d7c4eb4c2718652f3d2e78 Mon Sep 17 00:00:00 2001
From: Ian Kelling <iank@fsf.org>
Date: Mon, 8 Apr 2019 19:53:46 -0400
Subject: [PATCH] make raid1 default over raid0

---
 fai/config/hooks/partition.DEFAULT | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/fai/config/hooks/partition.DEFAULT b/fai/config/hooks/partition.DEFAULT
index 9ab73b2..d896a94 100755
--- a/fai/config/hooks/partition.DEFAULT
+++ b/fai/config/hooks/partition.DEFAULT
@@ -48,6 +48,7 @@ trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 #
 # RAID0: forces raid0 filesystem. Normally with 4+ devices, we use
 # raid10.
+# RAID1: forces raid1 filesystem.
 
 if [[ $SPECIAL_DISK ]]; then
   export CLASS_REPARTITION=true
@@ -235,8 +236,10 @@ for dev in ${devs[@]}; do
   fi
 done
 
-if ifclass RAID0 || (( ${#boot_devs[@]} < 4 )); then
+if ifclass RAID0 || (( ${#boot_devs[@]} == 1 )); then
   raid_level=0
+elif ifclass RAID1 || (( ${#boot_devs[@]} <= 3 )); then
+  raid_level=1
 else
   raid_level=10
   # need double the space if we are raid 10, and then
@@ -270,6 +273,7 @@ first_boot_dev=${boot_devs[0]}
 bpart() { # btrfs a partition
   case $raid_level in
     0) mkfs.btrfs -f $@ ;;
+    1) mkfs.btrfs -f -m raid1 -d raid1 $@ ;;
     10) mkfs.btrfs -f -m raid10 -d raid10 $@ ;;
   esac
 }
-- 
2.30.2