sbin/itzks-diskless-re-partition-dlw: Add file. Provide script that turns any storage device into a DLW swap+scratch storage.

1 files changed, 50 insertions, 0 deletions

diff --git a/sbin/itzks-diskless-re-partition-dlw b/sbin/itzks-diskless-re-partition-dlw
new file mode 100755
index 0000000..89d4fd2
--- /dev/null
+++ b/sbin/itzks-diskless-re-partition-dlw
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+# Copyright (C) 2022 by Mike Gabriel <mike.gabriel@it-zukunft-schule.de>
+
+# This script is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This script is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the
+# Free Software Foundation, Inc.,
+# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# This scripts turns a storage device into a two-partitioned
+# storage, first partition containing 16GB swap space, second
+# partition containing a scratch partition for local storage.
+
+DEV="$1" # pick your disk device
+
+if [ -z "${DEV}" ]; then
+	echo "no device given"
+	exit 1
+fi
+
+if [ ! -e ${DEV} ]; then
+	echo "no such device"
+	exit 1
+fi
+
+wipefs -a ${DEV} # recommended if you want to swap partition table types
+
+# partitioning for 16G swapfs and rest as a scratch disk
+SWAP_SIZE=16384
+
+echo "label: gpt
+device: ${DEV}
+unit: sectors
+
+${DEV}1 : size=${SWAP_SIZE}MiB, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F
+${DEV}2 : type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, name=DLW_SCRATCH
+" | sfdisk ${DEV}
+
+mkswap ${DEV}1
+mkfs.ext4 -L DLW_SCRATCH ${DEV}
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