From: Ian Kelling <iank@fsf.org>
Date: Sat, 28 Feb 2026 14:59:27 +0000 (-0500)
Subject: minor improvements
X-Git-Url: https://iankelling.org/git/?a=commitdiff_plain;h=510b388ff75b73e2fbacbbeaf2036f9c8a3c5010;p=automated-distro-installer

minor improvements
---

diff --git a/fai/config/hooks/partition.DEFAULT b/fai/config/hooks/partition.DEFAULT
index 6af8d38..522285f 100755
--- a/fai/config/hooks/partition.DEFAULT
+++ b/fai/config/hooks/partition.DEFAULT
@@ -325,6 +325,7 @@ dev-mib() {
 luks-setup() {
   local luksdev="$1"
   local cryptname="$2"
+  local sector_arg
   # when we move to newer than trisquel 9, we can remove --type
   # luks1. We can also check on cryptsetup --help | less /compil to see
   # about the other settings. Default in debian 9 is luks2.  You can
@@ -332,7 +333,17 @@ luks-setup() {
   # luksAddKey --pbkdf pbkdf2 then remove the new format keys with
   # cryptsetup luksRemoveKey then cryptsetup convert DEV --type luks1,
   # then readd old keys and remove temp.
-  yes YES | cryptsetup luksFormat $luksdev $luks_file || [[ $? == 141 ]]
+
+  # per https://cdn.kernel.org/pub/linux/utils/cryptsetup/v2.8/v2.8.0-ReleaseNotes
+  # and
+  # https://wiki.archlinux.org/title/Advanced_Format#NVMe_solid_state_drives
+  # and if sector arg was not given, that can be fixed. First, check that it is 1mib aligned,
+  # eg. parted -m /dev/mapper/crypt-vgnvme-WD_BLACK_SN850X_8000GB_245244802091-root unit MiB print
+  # Then cryptsetup reencrypt --sector-size 4096 device
+  if [[ $luksdev == *nvme* ]]; then
+    sector_arg="--sector-size 4096"
+  fi
+  yes YES | cryptsetup luksFormat $sector_arg $luksdev $luks_file || [[ $? == 141 ]]
   yes "$lukspw" | \
     cryptsetup luksAddKey --key-file $luks_file \
                $luksdev || [[ $? == 141 ]]
@@ -370,7 +381,7 @@ EOF
   if $data_part; then
     vg=${vgs[0]}
     cat >/tmp/fai/crypttab <<EOF
-crypt-$vg-data /dev/$vg/data  /mnt/root/q/root/luks/iank  nofail,discard,luks
+crypt-$vg-data /dev/$vg/data  /q/root/luks/iank  nofail,discard,luks
 EOF
     cat >/tmp/fai/fstab <<EOF
 /dev/mapper/crypt-$vg-data   /mnt/dataTBD  btrfs    nofail,$fstabstd,noatime,subvolid=0$mopts  0 0
@@ -458,9 +469,9 @@ EOF
   target_etc=/tmp/fai
   if [[ $HOSTNAME == frodo ]]; then
     cat >>$target_etc/crypttab <<EOF
-crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} /dev/disk/by-id/ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf}  /mnt/root/q/root/luks/iank  discard,luks
-crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /dev/disk/by-id/ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1  /mnt/root/q/root/luks/iank  discard,luks
-crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /dev/disk/by-id/ata-ST6000DM001-1XY17Z_Z4D29EBL-part1  /mnt/root/q/root/luks/iank  discard,luks
+crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} /dev/disk/by-id/ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf}  /q/root/luks/iank  discard,luks
+crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /dev/disk/by-id/ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1  /q/root/luks/iank  discard,luks
+crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /dev/disk/by-id/ata-ST6000DM001-1XY17Z_Z4D29EBL-part1  /q/root/luks/iank  discard,luks
 EOF
     cat >> $target_etc/fstab <<EOF
 # r7 = root partition7. it isnt actually #7 anymore, not a great name, but whatever
@@ -608,32 +619,14 @@ if ifclass REROOTFS; then
   rerootfs=true
 fi
 
+# crypttab discard makes discard be allowed, but also an automatic mount
+# option, but periodic trim is better for perf.
+mopts=,nodiscard
 if (($(nproc) > 2)); then
-  mopts=,compress=zstd
+  mopts+=,compress=zstd
 fi
 
-# Use conservative btrfs mount settings for single disk x200. I got this
-# error below on intel drive and I had several errors on a crucial
-# enterprise drive after sudden power off due to low battery.
-#
-# nodiscard based on
-# https://lore.kernel.org/linux-btrfs/d76a88d8-4262-4db4-88fd-d230139a98e0@gmx.com/
-#
-# flushoncommit based on the man page info it sounds sensible.
-#
-# Nov 25 07:28:04 x3 kernel: BTRFS error (device dm-4): bad tree block start, mirror 1 want 358059982848 have 12696086966779840503
-# Nov 25 07:28:04 x3 kernel: BTRFS error (device dm-4 state A): Transaction aborted (error -5)
-# Nov 25 07:28:04 x3 kernel: BTRFS: error (device dm-4 state A) in btrfs_drop_snapshot:6162: errno=-5 IO failure
-#
-#
-# smartctl -a /dev/sda
-# ....
-# Model Family:     Intel S4510/S4610/S4500/S4600 Series SSDs
-# Device Model:     INTEL SSDSC2KB038T7
-# Firmware Version: SCV10150
-
 if [[ $HOSTNAME == x[23] ]]; then
-  mopts=,nodiscard,flushoncommit
   mopts_o=$mopts,compress=zstd
 else
   mopts_o=$mopts