As of with OVS3 I could not find any command to import / export running guests images. The easiest way I found was to take backup of current virtual disk & restore it to same / another server. If you restore to diff server, you need to create guest vm & attach restored virtual disk [...]
Full Story »Oracle VM Server Configuration
DOWNLOAD PDF This post is for those who are trying Oracle VM sever for the first time. Here we are using OVS 3.0.2. Oracle Virtual Server has mainly two components 1) OVS – Oralce virtual server 2) OVM – Oracle Virtual manager for OVS Installation of OVS3 is very easy, anyone with little experience on [...]
Full Story »Install Oracle VM Server using PXE
If you have to update multiple VM servers with every release, doing installation using pxe server becomes easier. To get oracle vm server installed using pxe .. Requirement PXE Server Oracle VM Server 3.0.2 Download & Mount OracleVM-Server.iso mount -o loop /storage/os/OracleVM-Server-3.0.2.iso cd/ Create folder to store oracle vm files. mkdir -p /tftpboot/images/oraclevm/ Copy required [...]
Full Story »XenServer Extend LocalRespository – add new hdd
Earlier we have covered how to Add new hdd to existing xenserver. This article is to extend existing Local Repository. Since Xenserver is using lvm, this can easily be done using standard commands that we use to extend Linux Lvm. Here we are extending existing Local Repository 2 using /dev/hdb create partition on new hdd [...]
Full Story »XenServer Add hdd as LocalRespository
If you are facing performance issue / running out of space while running multiple VMs. You can either upgrade to better storage system or install additional hdd. To add new hdd to citrix xenserver, you need to follow below mentioned steps. 1)Find the disk ID cat /proc/partitions e.g sdb 2)Find the disk ID ls /dev/disk/by-id [...]
Full Story »XenServer6 howto start VM on Host boot / reboot
With the release of latest xenserver one more feature is removed from free version ie AUTO START VM ON SERVER BOOT/REBOOT. This feature is replaced by vApp, which lets you control VM boot sequence with time delay between two VM startup. This is certainly great feature for licenced user as it lets you control booting [...]
Full Story »Create XenServer bootable USB
UNetbootin is capable enough to create bootable usb for popular distros. This is what I have been using to create Bootable XenServer usb. But if you use latest version of Unetbootin (549), you may get following error. mboot.c32: not a COM32R image To solve this error, either you need to mboot.c32 with /usr/lib/syslinux/mboot.c32 Or Use [...]
Full Story »OpenXenManager -Xencenter alternative
This is probably almost every Linux Admin using Citrix Xenserver will be looking for. A way to manage xenservers from Linux machine. Citrix XenCenter is available only for windows machines. Although citrix is using Xen & Linux, citrix forgot to build client for Linux machines. If you are using Linux machine for routine work, and [...]
Full Story »Upgrading Citrix XenServer 5.5 to 5.6
UPDATE: This method works with Latest Feature Pack Release You can use xenserver 5.6 media for upgradation. While booting from installation media you’ll find following option upgrade xenserver-5.5 perform clean installation Here you can choose upgrade xenserver-5.5 Before upgrading pl ensure to take backup of all VMs & host. If there error during installation you [...]
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