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How does KASY0 boot without any disks?

April 26, 2017boot disks kasy0

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How does KASY0 boot without any disks?

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The built-in network interface on the motherboard supports PXE network booting. Unfortunately, the BIOS settings had to be changed from the default to enable this feature. Since we had used Etherboot on KLAT2, it was simpler to use a two stage boot, using first PXE and then Etherboot. The Etherboot bootloader then loads a Linux Kernel and a compressed ramdisk image setup with the Warewulf package. The boot server for KASY0 is built with the same components as a node, with the addition of two more NICs, another 512MB PC2700 DIMM (1 GB total), and a 120 GB IDE hard disk.