Pygrub & install Solaris (build >75) DomU at CentOS 5.1 Dom0 (64-bit)

Posted by dba477 on Feb 24, 2008 2:56 PM EDT
bderzhavets.blogspot.com; By Boris Derzhavets
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This posting follows up the recent one regarding same problems on F8. Xen implementation on CentOS 5.1 is not 3.1 all around as on F8 and doesn't allow to create Solaris DomUs with "pygrub". Here we need "xen manager" utility for original DomU creating.However, we can still benefit from "pygrub" power and flexibility creating runtime profiles for Solaris DomUs at CentOS 5.1 Dom0.

Procedure described bellow attaches Solaris DomU to libvirtd's daemon subnet 192.168.122.0 (netmask 255.255.255.0) utilizing interface virbr0 and dnsmasq service as DHCP server. Standard Solaris DomU notation vif=[' '] would work fine on CentOS 5.1 and specifying DHCP for xnf0 interface will successfully obtain IP address from dnsmasq service during original SNV DomU installation. Xen implementation on CentOS 5.1 allows to utilize pygrub as bootloader for Solaris DomUs, already created by "xm" utility , what significantly simplifies creating runtime profiles for SNV DomUs and also will work for any build of OpenSolaris (76,78,79) regardless of "Bug 633784 checksum offload with Linux dom0 produces invalid checksum", been fixed in build 81

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