FreeBSD Bugzilla – Attachment 209136 Details for
Bug 241956
Add caution against use of whole disks in zpools used for booting, mirrors, and RAID-Zs.
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[patch]
Caution against inadvisable use of whole unpartitioned disks
boot-mirror-raidz-wholedisk-caution.diff (text/plain), 876 bytes, created by
Pau Amma
on 2019-11-13 19:30:47 UTC
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Description:
Caution against inadvisable use of whole unpartitioned disks
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Creator:
Pau Amma
Created:
2019-11-13 19:30:47 UTC
Size:
876 bytes
patch
obsolete
>Index: en_US.ISO8859-1/books/handbook/zfs/chapter.xml >=================================================================== >--- en_US.ISO8859-1/books/handbook/zfs/chapter.xml (revision 53595) >+++ en_US.ISO8859-1/books/handbook/zfs/chapter.xml (working copy) >@@ -3553,6 +3553,16 @@ > 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.</para> >+ </caution> > </listitem> > > <listitem>
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