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-rw-r--r--en_US.ISO8859-1/books/handbook/zfs/chapter.xml12
1 files changed, 12 insertions, 0 deletions
diff --git a/en_US.ISO8859-1/books/handbook/zfs/chapter.xml b/en_US.ISO8859-1/books/handbook/zfs/chapter.xml
index 2bc394bba6..b9ff8cd61c 100644
--- a/en_US.ISO8859-1/books/handbook/zfs/chapter.xml
+++ b/en_US.ISO8859-1/books/handbook/zfs/chapter.xml
@@ -3553,6 +3553,18 @@ vfs.zfs.vdev.cache.size="5M"</programlisting>
a partition rather than the entire disk. This
differs from recommendations made by the Solaris
documentation.</para>
+
+ <caution>
+ <para>Using an entire disk as part of a bootable
+ pool is strongly discouraged, as this may render
+ the pool unbootable. Likewise, you should not
+ use an entire disk as part of a mirror or
+ <acronym>RAID-Z</acronym> vdev. These are
+ because it it impossible to reliably determine
+ the size of an unpartitioned disk at boot time
+ and because there's no place to put in boot
+ code.</para>
+ </caution>
</listitem>
<listitem>