mirror of
https://github.com/nextcloud/vm.git
synced 2025-10-26 11:27:32 +00:00
146 lines
4.1 KiB
Bash
146 lines
4.1 KiB
Bash
#!/bin/bash
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# Tech and Me © - 2018, https://www.techandme.se/
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# shellcheck disable=2034,2059
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true
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# shellcheck source=lib.sh
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. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
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# Check if root
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root_check
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LABEL_=ncdata
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MOUNT_=/mnt/$LABEL_
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format() {
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# umount if mounted
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umount /mnt/* &> /dev/null
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# mkdir if not existing
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mkdir -p "$MOUNT_"
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# Check what Hypervisor disks are available
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if partprobe /dev/sdb &>/dev/null; #HyperV, VMware, VirtualBox Hypervisors
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then
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DEVTYPE=sdb
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elif partprobe /dev/xvdb &>/dev/null; #Xen Hypervisors
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then
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DEVTYPE=xvdb
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elif partprobe /dev/vdb &>/dev/null; #KVM Hypervisor
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then
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DEVTYPE=vdb
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else
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msg_box "It seems like you didn't mount 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 sript will now exit. Please mount a second disk and start over."
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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 "$1" >/dev/null;} #device memeber of a zpool
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if isPathMounted "/mnt/ncdata"; #Spaces in path names are ok.
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then
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msg_box "/mnt/ncdata is mounted and need to be unmounted before you can run this script."
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exit 1
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fi
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if isDevMounted "/dev/$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/$DEVTYPE is a member of a ZFS pool and needs to be removed from any zpool before you can run this script."
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exit 1
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fi
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# Get the name of the drive
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DISKTYPE=$(fdisk -l | grep $DEVTYPE | awk '{print $2}' | cut -d ":" -f1 | head -1)
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if [ "$DISKTYPE" != "/dev/$DEVTYPE" ]
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then
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msg_box "It seems like /dev/$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.techandme.se/index.php/product/premium-support-per-30-minutes/"
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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 $DISKTYPE when you hit OK.
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*** WARNING: ALL YOUR DATA WILL BE ERASED! ***"
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if zpool list | grep "$LABEL_" > /dev/null
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then
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check_command zpool destroy "$LABEL_"
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fi
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check_command wipefs -a -f "$DISKTYPE"
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sleep 0.5
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check_command zpool create -f -o ashift=12 "$LABEL_" "$DISKTYPE"
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check_command zpool set failmode=continue "$LABEL_"
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check_command zfs set mountpoint="$MOUNT_" "$LABEL_"
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check_command zfs set compression=lz4 "$LABEL_"
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check_command zfs set sync=standard "$LABEL_"
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check_command zfs set xattr=sa "$LABEL_"
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check_command zfs set primarycache=all "$LABEL_"
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check_command zfs set atime=off "$LABEL_"
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check_command zfs set recordsize=128k "$LABEL_"
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check_command zfs set logbias=latency "$LABEL_"
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else
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msg_box "It seems like /dev/$DEVTYPE does not exist.
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This script requires that you mount a second drive to hold the data.
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Please shutdown the server and mount a second drive, then start this script again.
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If you want help you can buy support in our shop:
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https://shop.techandme.se/index.php/product/premium-support-per-30-minutes/"
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exit 1
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fi
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}
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format
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# Success!
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if grep "$LABEL_" /etc/mtab
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then
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msg_box "$MOUNT_ mounted successfully as a ZFS volume.
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Automatic scrubbing is done montly via a cronjob that you can find here:
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/etc/cron.d/zfsutils-linux
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CURRENT STATUS:
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$(zpool status $LABEL_)
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$(zpool list)"
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fi
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