Linux Mount Drive: Difference between revisions
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'''fstab entry like''' | |||
PARTUUID=387a56e5-25a9-4953-8d50-00c2d6ad6539 /nas/disk0 ext4 auto,nofail,x-systemd.device-timeout=30 0 0 | |||
PARTUUID=387a56e5-25a9-4953-8d50-00c2d6ad6539 /nas/disk0 ext4 nofail,x-systemd.device-timeout=30 0 0 | |||
PARTUUID=387a56e5-25a9-4953-8d50-00c2d6ad6539 /nas/disk0 ext4 auto,nofail,noatime,rw,user 0 0 | |||
<source lang="bash"> | <source lang="bash"> | ||
Revision as of 08:44, 6 December 2020
mount df lsblk findmnt ─────────────────────────────────────────────── findmnt / TARGET SOURCE FSTYPE OPTIONS / /dev/mmcblk0p2 ext4 rw,noatime |
lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 3.7T 0 disk ├─sda1 8:1 0 128M 0 part └─sda2 8:2 0 3.7T 0 part mmcblk0 179:0 0 59.6G 0 disk ├─mmcblk0p1 179:1 0 256M 0 part /boot └─mmcblk0p2 179:2 0 59.4G 0 part / |
Formate
gdisk /dev/sdb
:"
GPT fdisk (gdisk) version 1.0.3
Partition table scan:
MBR: MBR only
BSD: not present
APM: not present
GPT: not present
***************************************************************
Found invalid GPT and valid MBR; converting MBR to GPT format
in memory. THIS OPERATION IS POTENTIALLY DESTRUCTIVE! Exit by
typing 'q' if you don't want to convert your MBR partitions
to GPT format!
***************************************************************
Command (? for help): o
This option deletes all partitions and creates a new protective MBR.
Proceed? (Y/N): Y
Command (? for help): w
Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
PARTITIONS!!
Do you want to proceed? (Y/N): Y
OK; writing new GUID partition table (GPT) to /dev/sdb.
The operation has completed successfully.
"
gdisk /dev/sdb
:"
GPT fdisk (gdisk) version 1.0.3
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Command (? for help): v
No problems found. 7814037101 free sectors (3.6 TiB) available in 1
segments, the largest of which is 7814037101 (3.6 TiB) in size.
Command (? for help): n
Partition number (1-128, default 1): 1
First sector (34-7814037134, default = 2048) or {+-}size{KMGTP}:
Last sector (2048-7814037134, default = 7814037134) or {+-}size{KMGTP}:
Current type is 'Linux filesystem'
Hex code or GUID (L to show codes, Enter = 8300): 8300
Changed type of partition to 'Linux filesystem'
Command (? for help): v
No problems found. 2014 free sectors (1007.0 KiB) available in 1
segments, the largest of which is 2014 (1007.0 KiB) in size.
Command (? for help): w
Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
PARTITIONS!!
Do you want to proceed? (Y/N): Y
OK; writing new GUID partition table (GPT) to /dev/sdb.
The operation has completed successfully.
"
mkfs.ext4 /dev/sdb1
mkdir -p /nas/disk0
chmod 775 /nas/disk0
mount /dev/sdb1 /nas/disk0
lsblk
:"
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 465.8G 0 disk
├─sda1 8:1 0 256M 0 part /boot
└─sda2 8:2 0 465.5G 0 part /
sdb 8:16 0 3.7T 0 disk
└─sdb1 8:17 0 3.7T 0 part /nas/disk0
"
Auto Mount
blkid
:'
/dev/sda1: LABEL_FATBOOT="boot" LABEL="boot" UUID="6284-658D" TYPE="vfat" PARTUUID="d8d2ce21-01"
/dev/sda2: LABEL="rootfs" UUID="3a324232-335f-4617-84c3-d4889840dc93" TYPE="ext4" PARTUUID="d8d2ce21-02"
/dev/sdb1: UUID="d585a513-6325-450d-95d8-7c7f1d56f08e" TYPE="ext4" PARTLABEL="nas0" PARTUUID="387a56e5-25a9-4953-8d50-00c2d6ad6539"
'
fstab entry like PARTUUID=387a56e5-25a9-4953-8d50-00c2d6ad6539 /nas/disk0 ext4 auto,nofail,x-systemd.device-timeout=30 0 0 PARTUUID=387a56e5-25a9-4953-8d50-00c2d6ad6539 /nas/disk0 ext4 nofail,x-systemd.device-timeout=30 0 0 PARTUUID=387a56e5-25a9-4953-8d50-00c2d6ad6539 /nas/disk0 ext4 auto,nofail,noatime,rw,user 0 0
cat /etc/fstab
:"
proc /proc proc defaults 0 0
PARTUUID=d8d2ce21-01 /boot vfat defaults 0 2
PARTUUID=d8d2ce21-02 / ext4 defaults,noatime 0 1
PARTUUID=387a56e5-25a9-4953-8d50-00c2d6ad6539 /nas/disk0 ext4 auto,nofail,noatime,rw,user 0 0
# a swapfile is not a swap partition, no line here
# use dphys-swapfile swap[on|off] for that
"
mount -a
findmnt --verify
findmnt --verify --verbose
findmnt --verify --tab-file /etc/fstab --verbose
Mounting
mount ─────────────────────────────────────────────── lsblk mkdir /mnt/chorke mount /dev/sda2 /mnt/chorke/ ls -lah /mnt/chorke/ |
unmount ─────────────────────────────────────────────── lsblk umount /mnt/chorke/ ls -lah /mnt/chorke/ rm -rf /mnt/chorke/ |
Unmounting
udisks2 (new system) ─────────────────────────────────────────────── lsblk udisksctl unmount -b /dev/sda1 udisksctl power-off -b /dev/sda |
udisks (old system) ─────────────────────────────────────────────── lsblk udisks --unmount /dev/sda1 udisks --detach /dev/sda |
Knowledge
─────────────────────────────────────────────── apt update apt install lshw apt install eject apt install gdisk apt install rsync apt install hdparm apt install ntfs-3g apt install udisks2 apt install progress cat /proc/mounts mount|grep ^/dev ls -la /mnt/ mount -a |
─────────────────────────────────────────────── rsync -r --progress source target udisksctl unmount -b /dev/sda1 lsblk -o NAME,FSTYPE,UUID cat /proc/self/mounts hdparm -N /dev/sda watch progress -w ls -la /dev/sda* eject /dev/dvd fdisk -l mount -l df -aTh mount lshw |
SD Clone
apt search piclone apt install piclone ./sdclone /dev/sda /dev/mmcblk0 ./sdclone /dev/sda /dev/macblk0
RPI Clone
If sda size more than 2TB git clone https://github.com/billw2/rpi-clone.git; cd rpi-clone cp rpi-clone rpi-clone-setup /usr/local/sbin rpi-clone-setup -t testhostname rpi-clone -f -p 256M sda