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October 4th, 2020 09:00
RHCOS Boot failure on Bare Metal c6526
Have setup the iso image on Dell Server using Virtual media option on iDRAC. The boot screen is seen and im able to edit the grub menu with the relevant details as below:
coreos.inst=yes coreos.inst.install_dev=sda coreos.inst.image_url=http://ip/ocp4/rhcos coreos.inst.ignition_url=http://ip/ocp4/master.ign ip- 10.196.15.53::10.196.15.51:255.255.255.0:ocp-cp-1.lab.ocp.lan:eno1:none nameserver=10.196.15.51
All the servers are reachable as ping and the wget to the url fetches the data. As the helper node is on the same network i believe it should not be a problem.
After entering ctrl+x the boot starts and it fails with the below error.
Can someone please let me know what is going on? Any help will be very much appreciated.
After dependency fail for /sysroot as seen below after the iSCSI is started.
More logs:
DELL-Joey C
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October 5th, 2020 01:00
Hi @rav_28
RHCOS isn't supported by PowerEdge yet. My co-worker mentioned it on your previous post.
I did some research on the installation, and it seems to have requirements before the OS can actually run. You can refer to here: https://dell.to/3legRxc
Though, RHCOS is out of our support scope, I'm unable to help you resolve your issue further. I may suggest try post on their community support, and check if someone can help you there.
Let me know your thoughts.
rav_28
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October 7th, 2020 01:00
Tried the exact same thing on R7515 server and the OS boots up properly. Even the DHCP server in my Network responds to the packets properly. Not sure why this is happening only on c6525. I do understand its not on the support matrix. But even when i boot up a Ubuntu server(16.04) i get an error which says no system root partition found. And by default it looks for IPv6 DHCP address. How can i change it to look for IPv4?
DELL-Joey C
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October 7th, 2020 02:00
Hi,
As much as I would like to help you, but I don't have any documentation for reference nor knowledge to extend my help on RHCOS. Though on IPv4 and IPv6 configuration, it's OS dependency, which it's configured in the OS. I don't think there is any way to configure in hardware level to check in IPv4 DHCP addresses.