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Questions tagged [xenserver]

XenServer is the virtualization platform Citrix has built around the Xen Hypervisor.

631 questions
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Random XEN guests do not boot complaining disk not found

Performed the latest Citrix XEN Server 6.2 updates, skipping anything related to 6.5. Everything seemed normal after fixing GrubConf.py except that a few random Windows Servers would not start. XenCenter failing machine log tab mentions "Error:…
rjt
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How to power down Cloudstack configured with XenServer Hypervisors

I have three XenServers(6.2) configured in a single pool. I also have a Cloudstack (CentOS 6.5) Management interface controlling them all. Everything is up and running but I can not figure out how to power them all down properly. There is no…
chrstphrmllr
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XenServer 6.5 Software Raid

I try to install XenServer 6.5 with Software-RAID 1 at my home lab. With XenServer 6.2 this setup ran stable for a few months (at the same hardware). XenServer 6.5 installation went smoothly and boots up without any errors. After enabling the kernel…
Nat
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Recover Xenserver VM's in Linux Rescue mode WITHOUT Xenserver host

My physical server got hacked so my provider has shut down the server and booted it in Linux rescue mode. I've got full access to the file systems in Linux, however after hours of trying and searching I cannot find a way to get the VM's off of this…
user177916
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Moving large Xen Virtual Machine

I have a cluster of 4 Xenserver 6.2 servers, as well as one independent XenServer for a customer which have are attached to a very questionable (meaning that the drive hot-swapping causes it to break) SAN (Drobo B1200i). We are building a whole new…
Riley
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Xen Server, Ubuntu VM increased disk size, now will not boot

Citrix XenServer 6.2 Running Ubnutu Server 14.04 It had a 300GB disk attached, using XenCenter I increased the disk size to 500GB, planning on using gparted to resize the partition. Now it will not boot. I don't get anything in the XenCenter…
Andrew
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Apache cloudstack: Cannot add instances using template created from snapshot

I followed this https://github.com/imduffy15/GSoC-2014/ and installed apache cloudstack with basic networking in my local machine, and every thing worked smoothly. ​I can add instances from the built in tiny linux template(cent-os 5.6 64bit) without…
Asanka sanjaya
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XenServer move VM Failed

We currently are running our XenServer virtual machines off of an over extended Drobo unit and wanted to migrate a particular 600+GB VM off of the Drobo onto a newer Drobo, so I attached a storage repository on the new Drobo and used the XenServer…
Riley
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How to reclaim space in Citrix Xenserver's root filesystem?

On Citrix Xenserver 6.2, when the root filesystem is about to be full, what can be done to reclaim space? So far, I deleted logs but I'd like to go further. Is it safe to delete files in '/var/patch/' as long as I don't remove anything in…
Icu
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XenServer 6.2 Read Only and Slow Disk I/O

I virtualized a datacenter a few months back and we have a pool of 3 HP DL360 G5 servers, each with 32GB of Memory and dual Intel Xeons. Recently we have been experiencing 2 issues, the first of which is the disk read speed has become extremely…
Riley
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What could be wrong with my XenServer iscsi configuration after a recent power outage

We just experienced a power outage due to a lightning storm. Outage was long enough to restart servers and switches. We have 2 XenServer hypervisors running in the same pool. At first, both of them seemed to be fine and running normally. Both of…
Wilbis
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Capturing video of virtual console output of Xen vm

I would like to capture the video output of virtual machine running on Xenserver from boot-up and through reboots. I know I can capture the video by capturing the output of an assigned VGA adapter, but that's not really a great option for us, and…
fishybell
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Cannot communicate with network on second NIC

I am running XenServer 6.2 with two NICs on separate subnets: xenbr0 : 192.168.1.50 xenbr1 : 192.168.0.50 The .1.50 NIC communicates with an internal network and works perfectly. The .0.50 is plugged directly into the external router but cannot…
Isaac Hildebrandt
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XenServer HA (failover VM's) without shared storage

In the university from Uruguay where I work, we have 2 IBM BladeCenter S with 4 server blades each one. Each blade have XenServer 6.2 installed and working. Our idea is have each BladeCenter in different builds (connected) to have failover. Each…
ddave
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VM's Grub menu invisible with XenServer 6.0.2?

I have a dual-boot VM on XenServer 6.0.2 but grub just shows up as a black screen. I can still make a selection and such, but it's just a black screen in the XenServer console. Any ideas on how to make this visible?
John Vrbanac
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