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mirror_zfs/dracut
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Brian Behlendorf cbf81d4c3b Autogen refresh for kernel-insert-inode-locked.m4 
Several Makefile.in's were accidentally not updated when the
kernel-insert-inode-locked.m4 check was added.  This change simply
refreshes the missed files.
2011-04-18 15:47:18 -07:00
..
90zfs Autogen refresh for kernel-insert-inode-locked.m4 2011-04-18 15:47:18 -07:00
Makefile.am Add dracut support 2011-03-17 16:52:04 -07:00
Makefile.in Autogen refresh for kernel-insert-inode-locked.m4 2011-04-18 15:47:18 -07:00
README.dracut.markdown Add dracut support 2011-03-17 16:52:04 -07:00

README.dracut.markdown

How to setup a zfs root filesystem using dracut

  1. Install the zfs-dracut package. This package adds a zfs dracut module to the /usr/share/dracut/modules.d/ directory which allows dracut to create an initramfs which is zfs aware.

  2. Set the bootfs property for the bootable dataset in the pool. Then set the dataset mountpoint property to '/'.

    $ zpool set bootfs=pool/dataset $ zfs set mountpoint=/ pool/dataset

Alternately, legacy mountpoints can be used by setting the 'root=' option on the kernel line of your grub.conf/menu.lst configuration file. Then set the dataset mountpoint property to 'legacy'.

$ grub.conf/menu.lst: kernel ... root=ZFS=pool/dataset
$ zfs set mountpoint=legacy pool/dataset

  1. To set zfs module options put them in /etc/modprobe.d/zfs.conf file. The complete list of zfs module options is available by running the modinfo zfs command. Commonly set options include: zfs_arc_min, zfs_arc_max, zfs_prefetch_disable, and zfs_vdev_max_pending.

  2. Finally, create your new initramfs by running dracut.

    $ dracut --force /path/to/initramfs kernel_version