We are on 2.12.4. I think my problem is that it performs as documented and works for DHCP. "confignics -s" however doesn't then grab the MTU.
Chris On 21/02/17 13:36, Victor Hu wrote: > Hi Chris, > > We had a contribution from the community that added support for this > late last year to add support for MTU on the networks table. > https://github.com/xcat2/xcat-core/pull/1933 Looks like it was > integrated in the 2.12.4 release or newer. > > I'm not sure which version of xCAT you are currently on, but you can > take a look at that pull request and see if it satisfies your requirements. > > Thanks, > Victor > > > > ----- Original message ----- > From: "Christopher J. Walker" <c.j.wal...@qmul.ac.uk> > To: "xcat-user@lists.sourceforge.net" <xcat-user@lists.sourceforge.net> > Cc: > Subject: [xcat-user] Setting MTU > Date: Tue, Feb 21, 2017 6:30 AM > > I'm trying to configure the MTU to be 9000 for Centos 7 hosts on our > internal network. I'm using xCAT 2.12.4 > > > A way that works is to set the MTU explicitly on a network card basis - > so I do: > > nicextraparams.ens1f0=MTU=9000 > and add > "confignics -s" > to the postscripts for the node. > > However we have a number of different hardware types - and the internal > network card name therefore changes. > > It seems cleaner to set the MTU in the MTU column of the networks table, > instead of explicitly listing each network card type. For testing, I've > removed the "nicextraparams.ens1f0=MTU=9000" and set the MTU of 9000 in > the networks table. DHCP now correctly sets the MTU to be 9000, but this > is then removed by "confignics -s" - resulting in the default of 1500 > after install. > > Is this an oversight on my part, or a bug in confignics, or configeth > > Chris > -- > Dr Christopher J. Walker > ITS Research > Queen Mary University of London, E1 4NS > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > xCAT-user mailing list > xCAT-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/xcat-user > > > > > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > > > > _______________________________________________ > xCAT-user mailing list > xCAT-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/xcat-user > -- Dr Christopher J. Walker ITS Research Queen Mary University of London, E1 4NS +44 20 7882 5969 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ xCAT-user mailing list xCAT-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xcat-user
