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--- en:linux:start [2023/02/12 18:50] – [tar] frank
+++ en:linux:start [2024/04/07 19:12] – [LVM] frank
@@ Line 135: / Line 135: @@
   sudo badblocks -nsv /dev/sdb
+http://www.das-werkstatt.com/forum/werkstatt/viewtopic.php?t=2346
 ====== NTP ======
@@ Line 260: / Line 261: @@
 #cp2104 KERNELS=="1-3.1"
 SUBSYSTEM=="tty", ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea60", ATTRS{serial}=="0001", SYMLINK+="tty_r2"
+</code>
+this udev rules i use for ftdi 4xuart adapter (FT4232H Quad RS232-HS)
+<code>
+SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6011", ENV{ID_USB_INTERFACE_NUM}=="00", SYMLINK+="ftdi_r2"
+SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6011", ENV{ID_USB_INTERFACE_NUM}=="01", SYMLINK+="ftdi_r64"
+SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6011", ENV{ID_USB_INTERFACE_NUM}=="02", SYMLINK+="ftdi_r3"
+SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6011", ENV{ID_USB_INTERFACE_NUM}=="03", SYMLINK+="ftdi_r4"
 </code>
@@ Line 397: / Line 406: @@
 Solution using /etc/default/locale was not working for me
+===== LVM =====
+https://wiki.debian.org/LVM#Create_a_PV
+prepared initrd
+<code>
+  apt install initramfs-tools
+  kernelversion=$(uname -r)
+  echo $kernelversion
+  zcat /proc/config.gz > /boot/config-$kernelversion
+  less /boot/config-$kernelversion
+  update-initramfs -k $kernelversion -c
+</code>
+<code>
+root@bpi-r3-mini:~# apt install lvm2
+root@bpi-r3-mini:~# fdisk /dev/nvme0n1
+#changed type of partition 3 to lvm
+root@bpi-r3-mini:~# pvcreate /dev/nvme0n1p3
+root@bpi-r3-mini:~# vgcreate vg-nvme /dev/nvme0n1p3
+  Volume group "vg-nvme" successfully created
+root@bpi-r3-mini:~# vgdisplay
+  --- Volume group ---
+  VG Name               vg-nvme
+  System ID
+  Format                lvm2
+  Metadata Areas        1
+  Metadata Sequence No  1
+  VG Access             read/write
+  VG Status             resizable
+  MAX LV                0
+  Cur LV                0
+  Open LV               0
+  Max PV                0
+  Cur PV                1
+  Act PV                1
+  VG Size               80.74 GiB
+  PE Size               4.00 MiB
+  Total PE              20670
+  Alloc PE / Size       0 / 0
+  Free  PE / Size       20670 / 80.74 GiB
+  VG UUID               w22Wdx-Fhch-YNsA-roWh-Zq81-qv0R-d5fnvw
+root@bpi-r3-mini:~# lvcreate -n var -L 10g vg-nvme
+  Logical volume "var" created.
+root@bpi-r3-mini:~#
+</code>