doc: add known limitation about attaching SR-IOV ports

Nova does not currently support attaching SR-IOV ports to
existing instances, you can only create a server with an
SR-IOV port at this time. This adds an item about that
limitation to the SR-IOV admin docs.

Change-Id: I0a954de724384a81cb45446da20fa6b17d4bd63a
Related-Bug: #1708433
(cherry picked from commit 60a9248b17)
This commit is contained in:
Matt Riedemann 2018-08-21 11:38:59 -04:00 committed by Lee Yarwood
parent 8ccc9a8763
commit 7859941647
1 changed files with 2 additions and 0 deletions

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@ -541,3 +541,5 @@ Known limitations
SR-IOV features may require a specific NIC driver version, depending on the vendor. SR-IOV features may require a specific NIC driver version, depending on the vendor.
Intel NICs, for example, require ixgbe version 4.4.6 or greater, and ixgbevf version Intel NICs, for example, require ixgbe version 4.4.6 or greater, and ixgbevf version
3.2.2 or greater. 3.2.2 or greater.
* Attaching SR-IOV ports to existing servers is not currently supported, see
`bug 1708433 <https://bugs.launchpad.net/nova/+bug/1708433>`_ for details.