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fde4ce992d
Update Dracut module for Dracut-010 and fix race conditions that caused boot to fail on MP systems. Add support for zfs_force flag and parsing of spl_hostid from kernel command line. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
69 lines
2.1 KiB
Bash
Executable File
69 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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. /lib/dracut-lib.sh
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ZPOOL_FORCE=""
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if getargbool 0 zfs_force -y zfs.force -y zfsforce ; then
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warn "ZFS: Will force-import pools if necessary."
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ZPOOL_FORCE="-f"
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fi
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case "$root" in
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zfs:*)
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# We have ZFS modules loaded, so we're able to import pools now.
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if [ "$root" = "zfs:AUTO" ] ; then
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# Need to parse bootfs attribute
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info "ZFS: Attempting to detect root from imported ZFS pools."
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# Might be imported by the kernel module, so try searching before
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# we import anything.
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zfsbootfs=`zpool list -H -o bootfs | sed 'q'`
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if [ "$zfsbootfs" = "" ] ; then
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# Not there, so we need to import everything.
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info "ZFS: Attempting to import additional pools."
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zpool import -N -a ${ZPOOL_FORCE}
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zfsbootfs=`zpool list -H -o bootfs | sed 'q'`
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if [ "$zfsbootfs" = "" ] ; then
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rootok=0
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pool=""
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warn "ZFS: No bootfs attribute found in importable pools."
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# Re-export everything since we're not prepared to take
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# responsibility for them.
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zpool list -H | while read fs rest ; do
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zpool export "$fs"
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done
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return 1
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fi
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fi
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info "ZFS: Using ${zfsbootfs} as root."
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else
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# Should have an explicit pool set, so just import it and we're done.
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zfsbootfs="${root#zfs:}"
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pool="${zfsbootfs%%/*}"
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if ! zpool list -H $pool > /dev/null ; then
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# pool wasn't imported automatically by the kernel module, so
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# try it manually.
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info "ZFS: Importing pool ${pool}..."
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if ! zpool import -N ${ZPOOL_FORCE} $pool ; then
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warn "ZFS: Unable to import pool ${pool}."
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rootok=0
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return 1
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fi
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fi
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fi
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# Above should have left our rpool imported and pool/dataset in $root.
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# We need zfsutil for non-legacy mounts and not for legacy mounts.
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mountpoint=`zfs get -H -o value mountpoint $zfsbootfs`
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if [ "$mountpoint" = "legacy" ] ; then
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mount -t zfs "$zfsbootfs" "$NEWROOT" && ROOTFS_MOUNTED=yes
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else
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mount -o zfsutil -t zfs "$zfsbootfs" "$NEWROOT" && ROOTFS_MOUNTED=yes
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fi
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;;
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esac
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