plumbing.txt: serial ports

diff --git a/plumbing.txt b/plumbing.txt
index 891a75f657063e1a18e9a9dca42dd00b4b4ce15b..2548720eba2d8e8165bd4802d1e7439c28ff979a 100644 (file)
--- a/plumbing.txt
+++ b/plumbing.txt
@@ -101,6 +101,7 @@ We will need the following VMs, all Debian amd64:
   * db           running postgresql                         [infra]
   * ssh          gateway host for non-administrator logins  [infra ext]
   * infra        dhcpd (isc), internal DNS, etc.            [infra]
+  * serial0,1    sympathy, with PCI passthrough             [infra] [*]
 For completeness I also list
   + test boxes                                              [test]
   + newcastle,
@@ -117,5 +118,9 @@ address in the test network range.
 The cache host marked [nat] needs the ability to make a restricted
 subset of external network connections (http, git).
 
+[*] The serial VMs are one each for newcastle (serial0) and gateshead
+(serial1); the other VMs are singletons (ie run either on newcastle or
+on gateshead but not both).
+
 VM filesystems should be rsunc to the corresponding LV on the warm
 spare main server.  Everything needs to be backed up offsite too.