Date: Sun, 29 Sep 2013 15:07:47 +0000 (UTC) From: Benedict Reuschling <bcr@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-projects@freebsd.org Subject: svn commit: r42735 - projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs Message-ID: <201309291507.r8TF7ljW043593@svn.freebsd.org>
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Author: bcr Date: Sun Sep 29 15:07:46 2013 New Revision: 42735 URL: http://svnweb.freebsd.org/changeset/doc/42735 Log: Provide a small example that shows how to augment a non-ZFS filesystem on a ZFS volume with ZFS features. Modified: projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs/chapter.xml Modified: projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs/chapter.xml ============================================================================== --- projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs/chapter.xml Sun Sep 29 10:12:35 2013 (r42734) +++ projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs/chapter.xml Sun Sep 29 15:07:46 2013 (r42735) @@ -531,6 +531,26 @@ errors: No known data errors</screen> <title>Creating & Destroying Volumes</title> <para></para> + + <para>A volume can be formatted with any filesystem on top of + it. This will appear to the user as if they are working with + that specific filesystem and not ZFS. This way, it can be + used to augment non-ZFS filesystems with ZFS features that + they do not have. For example, combining the ZFS compression + property together with a 250 MB volume allows to create a + compressed FAT filesystem.</para> + + <screen>&prompt.root; <userinput>zfs create -V 250m -o compression=on tank/fat32</userinput> +&prompt.root; <userinput>zfs list tank</userinput> +NAME USED AVAIL REFER MOUNTPOINT +tank 258M 670M 31K /tank +&prompt.root; <userinput>newfs_msdos -F32 /dev/zvol/tank/fat32</userinput> +&prompt.root; <userinput>mount -t msdosfs /dev/zvol/tank/fat32 /mnt</userinput> +&prompt.root; <userinput>df -h /mnt | grep fat32</userinput> +Filesystem Size Used Avail Capacity Mounted on +/dev/zvol/tank/fat32 249M 24k 249M 0% /mnt +&prompt.root; <userinput>mount | grep fat32</userinput> +/dev/zvol/tank/fat32 on /mnt (msdosfs, local)</screen> </sect2> <sect2 id="zfs-zfs-rename"> @@ -544,7 +564,7 @@ errors: No known data errors</screen> <para></para> - <para>It is possible to set user-defined properties in ZFS. They + <para>It is possible to set user-defined properties in ZFS. They become part of the pool configuration and can be used to provide additional information about the pool or it's contents. To distnguish these custom properties from the ones supplied by
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