I'll try to do this through email, but may break down to a direct conversation (if you like).
If you can 'nodeset shell' and boot the system to network, I'm interested in "efibootmgr -v" output. Usually in a UEFI style boot, you'll get an entry like: Boot0009* Red Hat Enterprise Linux 6 HD(1,800,19000,2737e48b-741f-461b-8ab1-7c7ea9ef8706)File(\EFI\redhat\grub.efi) If legacy booting and/or wanting the generic style options to work straightforward way without having to contend with external LUNs confusing things too much, the easiest thing to do would be to disable the boot support of the uefi/option rom for the adapter. For example (adjust for your slot). n1: DevicesandIOPorts.UEFI_Slot1=Disable n1: DevicesandIOPorts.Legacy_Slot1=Disable From: Damir Krstic [mailto:[email protected]] Sent: Thursday, August 13, 2015 11:15 AM To: xCAT Users Mailing list Subject: [xcat-user] frustration with booting of x3650m5 I just finished installing couple of new NSD servers using RH6.6. After the installation they would not boot from the local hard drive(s) (LSI M5210 RAID1). I went into bios and added boot option "generic" and added hard disk 0 through 4 and the servers booted fine after that. However, after plugging in SAS cables to DCS3700 controller and zonning the LUNs on the 3700 servers are not booting (constant boot loop). I've added and removed generic boot option (hdd) and I've changed boot mode from UEFI to legacy and still can't get them to boot. It's been very frustrating morning to say the least. Anyone else experience anything like this on 3650M5? Thanks, Damir
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