26 lines
1.1 KiB
Bash
26 lines
1.1 KiB
Bash
#!/bin/sh
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# Copyright (C) 2019 Harrie Rooijackers
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# The make proecess copies this file to the /lib/preinit/80_lvm2
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# As a result it is executed just before 80_mount_root and makes lvm
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# entities available during the mount_root process that handles any
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# overlays. This allows overlays to be lvm2 partitions.
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# Note that /lib/preinit/80_lvm2 needs to be on the initial "lower"
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# partition for this to work.
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do_startlvm() {
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echo "Starting lvm2 during preinit" > /dev/kmsg
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# The following 3 lines are copied from from the start function
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# in /etc/rc.d/S15lvm2 which is copyright by Stefan Monnier
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mkdir -p /tmp/lvm/cache
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/sbin/lvm vgscan --ignorelockingfailure --mknodes > /dev/kmsg || :
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/sbin/lvm vgchange -aly --ignorelockingfailure > /dev/kmsg || return 2
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}
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# Perform the function only if lvm2 is enabled by the user
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# Not sure if the test is that useful since it tests the existance
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# of /etc/rc.d/S15lvm2 on the initial "lower" partition only so
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# changes made after the overlay is created are not taken into account
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[ -f /etc/rc.d/S15lvm2 ] && boot_hook_add preinit_main do_startlvm
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