formatdomain.html.in: mention pSeries NVDIMM 'align down' mechanic

The reason why we align down the guest area (total-size - label-size) is
explained in the body of qemuDomainNVDimmAlignSizePseries(). This
behavior must also be documented in the user docs.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Daniel Henrique Barboza 2020-07-20 13:51:46 -03:00 committed by Andrea Bolognani
parent 3ee423c363
commit 8f474ceea0

View File

@ -9412,8 +9412,10 @@ qemu-kvm -net nic,model=? /dev/null
</p>
<ol>
<li>the minimum label size is 128KiB,</li>
<li>the remaining size (total-size - label-size) will be aligned
to 4KiB as default.</li>
<li>the remaining size (total-size - label-size), also called guest
area, will be aligned to 4KiB as default. For pSeries guests, the
guest area will be aligned down to 256MiB, and the minimum size
of the guest area must be at least 256MiB.</li>
</ol>
</dd>