234 строки
6.6 KiB
Bash
234 строки
6.6 KiB
Bash
#!/bin/bash
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# T&M Hansson IT AB © - 2024, https://www.hanssonit.se/
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true
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SCRIPT_NAME="Format Chosen Disk"
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# shellcheck source=lib.sh
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source /var/scripts/fetch_lib.sh
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# Check if root
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root_check
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# Needs to be Ubuntu 22.04 and Multiverse
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check_distro_version
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check_multiverse
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MOUNT_=/mnt/$POOLNAME
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# Needed for partprobe
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install_if_not parted
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format() {
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# umount if mounted
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umount /mnt/* &> /dev/null
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# mkdir if not existing
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mkdir -p "$MOUNT_"
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# Check what Hypervisor disks are available
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if [ "$SYSVENDOR" == "VMware, Inc." ];
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then
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SYSNAME="VMware"
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DEVTYPE=sdb
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elif [ "$SYSVENDOR" == "Microsoft Corporation" ];
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then
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SYSNAME="Hyper-V"
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DEVTYPE=sdb
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elif [ "$SYSVENDOR" == "innotek GmbH" ];
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then
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SYSNAME="VirtualBox"
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DEVTYPE=sdb
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elif [ "$SYSVENDOR" == "Xen" ];
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then
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SYSNAME="Xen/XCP-NG"
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DEVTYPE=xvdb
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elif [[ "$SYSVENDOR" == "QEMU" || "$SYSVENDOR" == "Red Hat" ]];
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then
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SYSNAME="KVM/QEMU"
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DEVTYPE=vdb
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elif [ "$SYSVENDOR" == "DigitalOcean" ];
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then
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SYSNAME="DigitalOcean"
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DEVTYPE=sda
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elif [ "$SYSVENDOR" == "Intel(R) Client Systems" ];
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then
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SYSNAME="Intel-NUC"
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DEVTYPE=sda
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elif [ "$SYSVENDOR" == "UpCloud" ];
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then
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if lsblk -e7 -e11 | grep -q sd
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then
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SYSNAME="UpCloud ISCSI/IDE"
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DEVTYPE=sdb
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elif lsblk -e7 -e11 | grep -q vd
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then
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SYSNAME="UpCloud VirtiO"
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DEVTYPE=vdb
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fi
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elif partprobe /dev/sdb &>/dev/null;
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then
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SYSNAME="machines"
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DEVTYPE=sdb
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elif partprobe /dev/nvme0n1 &>/dev/null;
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then
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SYSNAME="NVMe"
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DEVTYPE=nvme0n1
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else
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msg_box "It seems like you didn't add a second disk.
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To be able to put the DATA on a second drive formatted as ZFS you need to add a second disk to this server.
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This script will now exit. Please add a second disk and start over."
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exit 1
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fi
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msg_box "You will now see a list with available devices. Choose the device where you want to put your Nextcloud data.
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Attention, the selected device will be formatted!"
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AVAILABLEDEVICES="$(lsblk | grep 'disk' | awk '{print $1}')"
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# https://github.com/koalaman/shellcheck/wiki/SC2206
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mapfile -t AVAILABLEDEVICES <<< "$AVAILABLEDEVICES"
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# Ask for user input
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while
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lsblk
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read -r -e -p "Enter the drive for the Nextcloud data:" -i "$DEVTYPE" userinput
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userinput=$(echo "$userinput" | awk '{print $1}')
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for disk in "${AVAILABLEDEVICES[@]}";
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do
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[[ "$userinput" == "$disk" ]] && devtype_present=1 && DEVTYPE="$userinput"
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done
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[[ -z "${devtype_present+x}" ]]
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do
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printf "${BRed}$DEVTYPE is not a valid disk. Please try again.${Color_Off}\n"
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:
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done
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# Get the name of the drive
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DISKTYPE=$(fdisk -l | grep "$DEVTYPE" | awk '{print $2}' | cut -d ":" -f1 | head -1)
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if [ "$DISKTYPE" != "/dev/$DEVTYPE" ]
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then
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msg_box "It seems like your $SYSNAME secondary volume (/dev/$DEVTYPE) does not exist.
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This script requires that you mount a second drive to hold the data.
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Please shutdown the server and mount a second drive, then start this script again.
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If you want help you can buy support in our shop:
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https://shop.hanssonit.se/product/premium-support-per-30-minutes/"
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exit 1
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fi
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# Check if ZFS utils are installed
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install_if_not zfsutils-linux
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# Check still not mounted
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#These functions return exit codes: 0 = found, 1 = not found
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isMounted() { findmnt -rno SOURCE,TARGET "$1" >/dev/null;} #path or device
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isDevMounted() { findmnt -rno SOURCE "$1" >/dev/null;} #device only
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isPathMounted() { findmnt -rno TARGET "$1" >/dev/null;} #path only
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isDevPartOfZFS() { zpool status | grep "$1" >/dev/null;} #device member of a zpool
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if isPathMounted "/mnt/ncdata"; #Spaces in path names are ok.
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then
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msg_box "/mnt/ncdata is mounted and need to be unmounted before you can run this script."
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exit 1
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fi
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if isDevMounted "/dev/$DEVTYPE";
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then
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msg_box "/dev/$DEVTYPE is mounted and need to be unmounted before you can run this script."
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exit 1
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fi
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# Universal:
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if isMounted "/mnt/ncdata";
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then
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msg_box "/mnt/ncdata is mounted and need to be unmounted before you can run this script."
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exit 1
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fi
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if isMounted "/dev/${DEVTYPE}1";
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then
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msg_box "/dev/${DEVTYPE}1 is mounted and need to be unmounted before you can run this script."
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exit 1
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fi
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if isDevPartOfZFS "$DEVTYPE";
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then
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msg_box "/dev/$DEVTYPE is a member of a ZFS pool and needs to be removed from any zpool before you can run this script."
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exit 1
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fi
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if lsblk -l -n | grep -v mmcblk | grep disk | awk '{ print $1 }' | tail -1 > /dev/null
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then
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msg_box "Formatting your $SYSNAME secondary volume ($DISKTYPE) when you hit OK.
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*** WARNING: ALL YOUR DATA WILL BE ERASED! ***"
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if zpool list | grep "$POOLNAME" > /dev/null
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then
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check_command zpool destroy "$POOLNAME"
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fi
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check_command wipefs -a -f "$DISKTYPE"
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sleep 0.5
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check_command zpool create -f -o ashift=12 "$POOLNAME" "$DISKTYPE"
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check_command zpool set failmode=continue "$POOLNAME"
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check_command zfs set mountpoint="$MOUNT_" "$POOLNAME"
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check_command zfs set compression=zstd "$POOLNAME"
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check_command zfs set sync=standard "$POOLNAME"
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check_command zfs set xattr=sa "$POOLNAME"
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check_command zfs set primarycache=all "$POOLNAME"
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check_command zfs set atime=off "$POOLNAME"
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check_command zfs set recordsize=128k "$POOLNAME"
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check_command zfs set logbias=latency "$POOLNAME"
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else
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msg_box "It seems like /dev/$DEVTYPE does not exist.
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This script requires that you mount a second drive to hold the data.
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Please shutdown the server and mount a second drive, then start this script again.
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If you want help you can buy support in our shop:
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https://shop.hanssonit.se/product/premium-support-per-30-minutes/"
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countdown "Please press 'CTRL+C' to abort this script and shutdown the server with 'sudo poweroff'" "120"
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exit 1
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fi
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}
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format
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# Do a backup of the ZFS mount
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if is_this_installed libzfs4linux
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then
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if grep -r $POOLNAME /etc/mtab
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then
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install_if_not zfs-auto-snapshot
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sed -i "s|date --utc|date|g" /usr/sbin/zfs-auto-snapshot
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fi
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fi
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# Check if UUID is used
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if zpool list -v | grep "$DEVTYPE"
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then
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# Import disk by actual name
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check_command partprobe -s
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zpool export $POOLNAME
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zpool import -d /dev/disk/by-id $POOLNAME
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fi
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# Success!
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if grep "$POOLNAME" /etc/mtab
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then
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msg_box "$MOUNT_ mounted successfully as a ZFS volume.
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Automatic scrubbing is done monthly via a cronjob that you can find here:
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/etc/cron.d/zfsutils-linux
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Automatic snapshots are taken with 'zfs-auto-snapshot'. You can list current snapshots with:
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'sudo zfs list -t snapshot'.
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Manpage is here:
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http://manpages.ubuntu.com/manpages/focal/man8/zfs-auto-snapshot.8.html
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CURRENT STATUS:
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$(zpool status $POOLNAME)
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$(zpool list)"
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fi
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