Fedora & RHEL: fix slow loading mpt3sas.

Credit: @mdiepart from #282

Closes #282 #262

Fix variable export before chroot

Credit: @mdiepart from #282

remind user to enable multi-disk support

NixOS: handle installation failure wrt encrypted boot pool

Closes #279
Signed-off-by: Maurice Zhou <jasper@apvc.uk>

docs/Getting Started/Arch Linux/Root on ZFS/3-system-configuration.rst

@@ -110,7 +110,7 @@ System Configuration
     INST_UUID=$INST_UUID
     INST_ID=$INST_ID
     INST_VDEV=$INST_VDEV
-    DISK=$DISK" > /mnt/root/chroot
+    DISK=\"$DISK\"" > /mnt/root/chroot
     arch-chroot /mnt bash --login
 
 #. Source variables::

docs/Getting Started/Arch Linux/Root on ZFS/4-optional-configuration.rst

@@ -33,6 +33,9 @@ for pacman integration::
   exit
   rm /etc/sudoers.d/00_nobody
 
+If multi-disk setup is used, enable multi-disk
+support inside ``/etc/bieaz.cfg``.
+
 Supply password with SSH
 ~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/Getting Started/Fedora/Root on ZFS/2-system-installation.rst

@@ -251,3 +251,6 @@ System Installation
 
     dnf --installroot=/mnt copr enable -y m0p/bieaz
     dnf --installroot=/mnt install -y bieaz python3-dnf-plugin-rozb3
+
+   If multi-disk setup is used, enable multi-disk
+   support inside ``/mnt/etc/bieaz.cfg``.

docs/Getting Started/Fedora/Root on ZFS/3-system-configuration.rst

@@ -31,6 +31,12 @@ System Configuration
 
     echo 'add_dracutmodules+=" zfs "' > /mnt/etc/dracut.conf.d/zfs.conf
 
+#. Force load mpt3sas module if used::
+
+     if grep -q mpt3sas /proc/modules; then
+       echo 'forced_drivers+=" mpt3sas "'  > /mnt/etc/dracut.conf.d/zfs.conf
+     fi
+
 #. Enable timezone sync::
 
     hwclock --systohc
@@ -84,7 +90,7 @@ System Configuration
     INST_ID=$INST_ID
     unalias -a
     INST_VDEV=$INST_VDEV
-    DISK=$DISK" > /mnt/root/chroot
+    DISK=\"$DISK\"" > /mnt/root/chroot
     arch-chroot /mnt bash --login
 
 #. Source variables::

docs/Getting Started/NixOS/Root on ZFS/4-system-installation.rst

@@ -36,6 +36,17 @@ of declaratively configuring the system.
       users.users.root.initialHashedPassword = "${INST_ROOT_PASSWD}";
     EOF
 
+#. If boot pool encryption is used and installation fails with::
+
+     #mktemp: failed to create directory via template
+     #‘/mnt/tmp.coRUoqzl1P/initrd-secrets.XXXXXXXXXX’: No such file or directory
+     #failed to create initrd secrets: No such file or directory
+
+   This is `a bug <https://github.com/NixOS/nixpkgs/issues/157989>`__.
+   Complete the installation by executing::
+
+     nixos-enter --root /mnt -- nixos-rebuild boot
+
 System installation
 ~~~~~~~~~~~~~~~~~~~
 

docs/Getting Started/RHEL-based distro/RHEL 8-based distro Root on ZFS/2-system-installation.rst

@@ -266,3 +266,6 @@ System Installation
 
     dnf --installroot=/mnt copr enable -y m0p/bieaz
     dnf --installroot=/mnt install -y bieaz python3-dnf-plugin-rozb3
+
+   If multi-disk setup is used, enable multi-disk
+   support inside ``/mnt/etc/bieaz.cfg``.

docs/Getting Started/RHEL-based distro/RHEL 8-based distro Root on ZFS/3-system-configuration.rst

@@ -31,6 +31,12 @@ System Configuration
 
     echo 'add_dracutmodules+=" zfs "' > /mnt/etc/dracut.conf.d/zfs.conf
 
+#. Force load mpt3sas module if used::
+
+     if grep -q mpt3sas /proc/modules; then
+       echo 'forced_drivers+=" mpt3sas "'  > /mnt/etc/dracut.conf.d/zfs.conf
+     fi
+
 #. Interactively set locale, keymap, timezone, hostname and root password::
 
     rm -f /mnt/etc/localtime
@@ -80,7 +86,7 @@ System Configuration
     TERM=xterm
     INST_VDEV=$INST_VDEV
     INST_VDEV=$INST_VDEV
-    DISK=$DISK" > /mnt/root/chroot
+    DISK=\"$DISK\"" > /mnt/root/chroot
     arch-chroot /mnt bash --login
 
 #. Source variables::