Jorg, this is probably veering very off topic. Intel make available the source code for those BMC cards - which surprised me. I saw Redfish mentioned https://www.supermicro.com/solutions/Redfish.cfm Maybe the Redfish standard makes the cards behave differently to old-style BMC cards
On 21 June 2018 at 15:59, Jörg Saßmannshausen <sassy-w...@sassy.formativ.net > wrote: > Hi John, > > interesting idea, but how does it work when the IP address has not been > set > yet? > > Regarding hostname/IP for the GUI: see my email to Chris. > > Thanks! > > Jörg > > Am Donnerstag, 21. Juni 2018, 12:55:07 BST schrieben Sie: > > It is worth saying that Intel have an excellent free to download tool > > called syscfg which lets you set BIOS and IPMI from the command line > > To get BIOS settings the same on all nodes on a cluster you just cget the > > correct settings on one node, copy this file to all nodes, > > syscfg then reboot. Simples. > > > > https://downloadcenter.intel.com/download/26971/Save-and- > Restore-System-Conf > > iguration-Utility-syscfg- > > > > > > Regarding your web server problem, is your DHCP server giving the correct > > hostnames to the IPMI cards when they request an address? > > I do not see how that could matter, but maybe? > > > > > > > > On 21 June 2018 at 12:29, Jörg Saßmannshausen < > sassy-w...@sassy.formativ.net > > > wrote: > > > > > > Hi John, > > > > > > further the last email: I am using the onboard interface for the > BMC/IPMI > > > (shared link) so there is only one physical network cable between the > > > switch > > > and the compute node. > > > > > > Regarding PXE boot: I don't want to boot over IB. Right now I even > don't > > > have > > > an IB network. I was just wondering whether for some reason at one > stage > > > of > > > the boot process the kernel recognises the IB card and then tries to > boot > > > from > > > there and shuts off the other NIC which could explain that behaviour. > > > However, even disabling it in the BIOS did not solve the problem. > > > > > > I guess I will need to do some debugging here but without some good > ideas > > > I am > > > a bit stuck as I already have tried the usual suspects. > > > > > > All the best > > > > > > Jörg > > > > > > Am Donnerstag, 21. Juni 2018, 12:02:40 BST schrieb John Hearns via > Beowulf: > > > > Hello Jorg. As you know I have worked a lot with Supermicro machines. > > > > I also installed Intel machines for Greenwich University, so I have > > > > experience of setting up IPMI on them. > > > > I will take time to try to understand your problem! > > > > Also Intel provides excellent documentation for all its products. > > > > Really. > > > > But you must get the correct part number and search for it. > > > > I really recommend finding the BMC manual, as I recall that made > things > > > > a > > > > lot clearer. > > > > > > > > One quick question - are you using the on-board ethernet interface > for > > > > > > IPMI > > > > > > > or are you using the additional hardware module which has its own > > > > > > ethernet > > > > > > > port? > > > > > > > > > It also has a InfiniBand card which does allow booting from it. > > > > > > > > You can PXE boot over a Mellanox Infiniband card. As you probably > know > > > > > > this > > > > > > > involves installing extra firmware on the card. > > > > In my last job we had an IB only cluster, so booting over IB had to > > > > work! > > > > I guess you do nto need to flash the card, but to be honest running > the > > > > utility is not scary. You just have to get the exact firmware for > your > > > > > > card. > > > > > > > On 21 June 2018 at 11:20, Tony Brian Albers <t...@kb.dk> wrote: > > > > > Does the BMC itself know its own hostname? > > > > > > > > > > /tony > > > > > > > > > > On 21/06/18 11:13, Jörg Saßmannshausen wrote: > > > > > > Dear all, > > > > > > > > > > > > I got a bit of a confusing situation with the BMC of some Intel > > > > > > > > > > motherboards > > > > > > > > > > > which we recently purchased and I am not quite sure what to make > out > > > > > > of > > > > > > > > it. > > > > > > > > > > > We have install a generic user via the IPMI commands on the > compute > > > > > > > > > > nodes and > > > > > > > > > > > I can access the BMC remotely, again via the IPMI command like > this: > > > > > > > > > > > > $ ipmitool -H node105-bmc -U username -P xxx power status > > > > > > > > > > > > This is working, Also, this works: > > > > > > > > > > > > $ ipmitool -H 10.0.1.105 -U username -P xxx power status > > > > > > > > > > > > A nslookup of node105-bmc gives the right IP address as well. > > > > > > > > > > > > However, if I want to use the GUI for the BMC, i.e. opening my > > > > > > browser > > > > > > > > and > > > > > > > > > > > put: > > > > > > > > > > > > https://node105-bmc > > > > > > > > > > > > in the URL, I get the loging page When I enter my login > credentials > > > > > > then, > > > > > > which are the same as above, I have a problem to log in *IF* I am > > > > > > using > > > > > > > > the > > > > > > > > > > > hostname as address but not *IF* I am using the IP address. Just > to > > > > > > add > > > > > > > > to the > > > > > > > > > > > confusion more, on one node the hostname was working. > > > > > > With problems I mean the browser tells me my login credentials > are > > > > > > wrong > > > > > > > > which > > > > > > > > > > > does not happen when I am using the IP address. > > > > > > Also, I can only use https and not http and for now I got the > > > > > > generic > > > > > > > > > > self > > > > > > > > > > > signed certificates. I want to change them at one point but right > > > > > > now > > > > > > > > > > that is > > > > > > > > > > > more on the bottom of my to-do list. > > > > > > > > > > > > I find that really odd and I am not quite sure what is going on > > > > > > here. > > > > > > > > > > With all > > > > > > > > > > > the Supermicro kit I once had I never had these issues before. I > was > > > > > > > > > > able to > > > > > > > > > > > log in regardless of using the hostname or IP address. > > > > > > So clearly Intel does something here Supermicro did not (at the > > > > > > time). > > > > > > > > > The boards in question are Intel S2600BPB ones. > > > > > > > > > > > > Has anybody seen this before? > > > > > > > > > > > > I got a second issue with these boards. I usually do the normal > > > > > > PXE/NFS > > > > > > > > boot > > > > > > > > > > > and the setup is working well for the other, older Supermicro > > > > > > machines. > > > > > > > > > However, with the new Intel ones, this is crashing. > > > > > > The procedure is you are selecting in the boot-menu you want to > do a > > > > > > PXE > > > > > > > > boot > > > > > > > > > > > and not boot from the local hard drive. > > > > > > It then boots the initramfs which seems to be fine. From what I > can > > > > > > see, > > > > > > > > both > > > > > > > > > > > during the boot process and from the log files of the > DHCP-server, > > > > > > it is > > > > > > > > > getting the right IP address. > > > > > > However, when the initramfs hands over to the kernel, it crashes > > > > > > with: > > > > > > kernel panic! attempt to kill init > > > > > > and you literally have to pull the plug on the machine, i.e. a > hard > > > > > > > > > > reset. > > > > > > > > > > > The only time I have seen that was when I did not specify the NIC > > > > > > and > > > > > > > > > > when I > > > > > > > > > > > had two NICs, it somehow decided to use the other one. I fixed > that > > > > > > > > > > problem by > > > > > > > > > > > defining the interface in the boot-arguments and also the second > NIC > > > > > > is > > > > > > > > not > > > > > > > > > > > connected anyway. It also has a InfiniBand card which does allow > > > > > > booting > > > > > > > > from > > > > > > > > > > > it. Again, it is not connected so in theory it should not matter. > > > > > > > > > > > > I am stuck here. I am using a 4.x kernel for the PXE boot, so a > > > > > > fairly > > > > > > > > recent > > > > > > > > > > > one. As I said, it works for the older machines but not for the > > > > > > newer > > > > > > > > > > ones. > > > > > > > > > > > I upgraded the whole PXE/NFS boot and that is not working too. > > > > > > > > > > > > Does anybody have any ideas here? > > > > > > > > > > > > Sorry for asking 2 questions in one email but as they are > related I > > > > > > hope > > > > > > > > that > > > > > > > > > > > is ok. > > > > > > > > > > > > All the best from a sunny London > > > > > > > > > > > > Jörg > > > > > > > > > > > > _______________________________________________ > > > > > > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin > > > > > > Computing > > > > > > > > > To change your subscription (digest mode or unsubscribe) visit > > > > > > > > > > http://www.beowulf.org/mailman/listinfo/beowulf > > > > > > > > > > > > > > > > > > > > -- > > > > > Tony Albers > > > > > Systems administrator, IT-development > > > > > Royal Danish Library, Victor Albecks Vej 1, 8000 Aarhus C, Denmark. > > > > > Tel: +45 2566 2383 / +45 8946 2316 > > > > > _______________________________________________ > > > > > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin > > > > > > Computing > > > > > > > > To change your subscription (digest mode or unsubscribe) visit > > > > > http://www.beowulf.org/mailman/listinfo/beowulf > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf >
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