Add scripts and configuration files for mergerfs setup and testing

- Created backup files for wipefs on specific disk partitions.
- Added db-test script to verify metadata.db file integrity.
- Documented successful mergerfs branch and pool configurations in mfs-good.txt.
- Implemented mfs write test in mfs-test.txt.
- Included mergerfs version and device information in mfs.txt.
- Developed rebuild scripts for mergerfs stages, including verification and filesystem creation.
- Generated stage logs for each rebuild step to track disk and filesystem status.
- Added checks for systemd mount requirements and filesystem verification in stage4.

others/plex-lvm-recovery/archive/plex-storage_00009-1351712619.vg

@@ -0,0 +1,70 @@
+# Generated by LVM2 version 2.03.11(2) (2021-01-08): Sat Jul  8 13:47:30 2023
+
+contents = "Text Format Volume Group"
+version = 1
+
+description = "Created *before* executing 'lvcreate --extents 3338514 -n plex-storage plex-storage'"
+
+creation_host = "banshee"	# Linux banshee 5.15.0-76-generic #83-Ubuntu SMP Thu Jun 15 19:16:32 UTC 2023 x86_64
+creation_time = 1688842050	# Sat Jul  8 13:47:30 2023
+
+plex-storage {
+	id = "5duJJ2-4fle-YSiN-VZXz-HGnp-0EIh-54uwh8"
+	seqno = 6
+	format = "lvm2"			# informational
+	status = ["RESIZEABLE", "READ", "WRITE"]
+	flags = []
+	extent_size = 8192		# 4 Megabytes
+	max_lv = 0
+	max_pv = 0
+	metadata_copies = 0
+
+	physical_volumes {
+
+		pv0 {
+			id = "K0xYn3-acZK-Mdyh-hjII-b6Hu-woHx-RoaSQ0"
+			device = "/dev/sdc"	# Hint only
+
+			status = ["ALLOCATABLE"]
+			flags = []
+			dev_size = 11721045168	# 5.45804 Terabytes
+			pe_start = 2048
+			pe_count = 1430791	# 5.45803 Terabytes
+		}
+
+		pv1 {
+			id = "3vkj0r-JPjY-a398-gURI-7VBY-VH3X-Q9Pi1H"
+			device = "/dev/sdd1"	# Hint only
+
+			status = ["ALLOCATABLE"]
+			flags = []
+			dev_size = 3907026944	# 1.81935 Terabytes
+			pe_start = 2048
+			pe_count = 476931	# 1.81935 Terabytes
+		}
+
+		pv2 {
+			id = "mHAxkA-Tqgo-v1Wj-cn7F-Gygx-3n96-Ll9sfk"
+			device = "/dev/sde1"	# Hint only
+
+			status = ["ALLOCATABLE"]
+			flags = []
+			dev_size = 3907026944	# 1.81935 Terabytes
+			pe_start = 2048
+			pe_count = 476931	# 1.81935 Terabytes
+		}
+
+		pv3 {
+			id = "QKoHgS-dCwc-tqVD-7o6R-ZoQr-6ab7-kdjYSK"
+			device = "/dev/sdb1"	# Hint only
+
+			status = ["ALLOCATABLE"]
+			flags = []
+			dev_size = 7814033408	# 3.63869 Terabytes
+			pe_start = 2048
+			pe_count = 953861	# 3.63869 Terabytes
+		}
+	}
+
+
+}