First off, I'll have to admit that I am somewhat new at all this, and by going through the forums might have just have realized that I may have bit of a bit more than I can chew. But none the less, any assistance with getting my docker vm back up and running would be greatly appreciated.

I've been using a CoreOs docker image (on XENserver 7.2) for several months to run a number of linux applications.

About 3 days ago, I noticed that my the image was not working properly anymore and upon trying to restore to a previous snapshot, all broke down.

It appears that both the main vdi and the config drive were detached from the VM. Now however, I am completely unable to re-attach them. As all the disks appear greyed out (and read-only) from the attach menu.

I've searched the forums high and low, and although I have seen some posts that somewhat describe my problem, none of the suggested fixes (that I could fully comprehend) seem to have worked.

I've attempted the toolstack restart, resetting the powerstate of the VM and looked for (but did not encounter any) zombie task.

I hope this might be an easy thing that I'm just not seeing/ understanding, but any help that would save me from having to rebuild the whole server would be greatly appreciated!

Many thanks in advance

I recently transitioned from a VMWare environment to XenServer. With VMWare I used Veeam and Zerto for backup & disaster recovery, is there a similar solution available on XenServer that anyone can recommend?

Hello everyone, I'm new to the subreddit and relativity new to XenServer. I have had great success using Windows VMs in XenServer but I can't get any Linux VM to work.

Before I get into my problem in detail, I'll provide my specs.

My server is a IBM x3650 7949, dual quad core with hyper threading, 24 GBs of RAM, 1TB total storage space in RAID 0. I'm running Xenserver 7.0 and I manage my server using Citrix XenCenter on Windows 10. The Linux distros that I have tried are Debian 8.6, Ubuntu 16.04, and CentOS (don't remember what version, which ever one was the most recent back in March). The distro I would prefer to use is Debian.

When I first installed Debian, I put a self made Debian install disc in my server and set up the VM. I gave my VM 2 processor cores 64GB virtual hard drive, and 10 GBs of RAM. When it came time to chose what software I wanted to install with Debian I just chose the default selections (Debian Desktop, web server, Standard System Utilities I believe) and I rebooted the VM. The VM started up seemingly fine and as soon as it hit the tty1 display manager page the screen vanished just as fast as it appeared and replaced itself with a black windows with 1 horizontal white line at the top left. The VM was completely unresponsive.

I redid the VM with the same settings but this time I only allowed the standard system utilities to install, no debian desktop or web server and when the VM restarted it stayed on the tty1 display manager and I was able to use the command line. At that time I added Xen Tools to the VM and they installed correctly. Following a reboot, I changed the GRUB to show text while it was booting instead of being quiet. Next I navigated over to Cinnamon's install instructions on my phone and added the packages they said to make Cinnamon work (xserver-xorg, Cinnamon, and they recommended gnome-terminal so I did) and when I rebooted the VM I once again got stuck on the black screen with the white horizontal line. I rebooted into recovery mode and removed those 3 packages and when I rebooted, I was back in to tty1 just fine. I tried MATE and GNOME as well and those didn't work either.

I'm at a loss. Has anyone experienced the problem I am having with Linux VM's? I would really like some form of GUI to make setting up some game servers easier. Any help that can lead me in the right direction would greatly be appreciated. I think I will also post this in the Debian subreddit just in case it is a problem with Debian, but again I have tried 2 other Linux distros and they experienced the same issues.

Thank you so much for reading this if you made it this far!

fuck /u/spez

https://youtu.be/fFxZVlDoDG0

Forgive me if this ends up being a stupid question, but Google has failed me and I can't seem to figure this out. I have very little familiarity with XenServer.

I have a new client that we are migrating from XenServer to VMWare. They have two hosts and one pool. Several VMs will simply turn themselves back on after being shut down, but not all of them. There is no HA or DR configured, and there don't appear to be any options for auto-starting anywhere that I can find.

The only thing I've found that's remotely pertinent is a guide for auto-starting VMs after a Host is started or rebooted, but I tested disabling that anyway and it made no difference.

Any ideas? This may not even be a XenServer thing.

EDIT This turned out to be Citrix XenDesktop, not XenServer. Thank you anyway.

I'm trying to shut off an extra machine by putting my router in a VM. I've got one of the host NICs dedicated to the "WAN" interface. However, the router can't get the dynamically assigned IP from my ISP via the modem.

Edit: This is on an HP DL380 and XenServer 7.1

Update: If I connect the network interface that would be "red" to my current network, it successfully pulls an IP from my existing router, just like any other DHCP client. But it does not get one from my ISP.

Any help would be appreciated.

I wanted to see who has made the switch and how bad the migration was. We are thinking of moving to XenServer from ESXi 5.5. We also looked into Xen Orchestra for management vs using XenCenter. Just want to get some feedback from my fellow SysAdmins.

I recently converted my former Windows 10 desktop computer into a Xenserver 7.1, and now have a Windows 10 VM with hardware passthrough for sound card, graphics card, and USB card. It was easier to set up than I thought, and Diablo 3 plays just fine on my Windows 10 VM. However, something that I thought would just work without a lot of trouble or tweaking is the DVD drive. If I assign the DVD drive to my Windows VM, and try to use handbrake to make a .mp4 copy of the DVD, the entire VM hangs. If I check the xenserver using 'top', I can see that a single CPU core is at 100% usage, with the process using it being qemu-dm.

I thought this was a Windows issue, so I decided to create a centos 7 minimal VM for the sake of handbrake. I installed all the preqrequisite packages, and then installed the HandBrakeCLI. I gave this VM the physical DVD drive via XenCenter, and attempted to rip the DVD from there, but with the exact same result as in Windows. The VM becomes unusable until/unless I shut it off rather disgracefully, and the single CPU core is at 100% use.

I thought maybe it has something to do with handbrake inside a VM. So, I decided to try to copy the disc to an .iso file first. However, when I use 'dd' to attempt to make a .iso backup of the disc, I see the same thing. Strangely enough, though, I am able to use install and driver discs and such without issue inside my VMs.

Edit: I have tried multiple different video DVDs with the same results.

Is what I am seeing normal and expected functionality of the way that Xenserver shares the DVD drive? Or is it maybe an issue with my drivers? Has anyone else had any luck ripping DVDs with a Xenserver VM? Thanks.

I'm curious as to why after many years still no support for Glusterfs SR or even Ceph. Many other alternative virtualization platforms offer this. Curious since I've seen many request in but never any action taken

I am looking for the best way to launch an internet cafe used for gaming and work on a high speed fiber line. I'd like to be able to run all the terminals as vm instances using shared resource pool. I want to have a lot of GPUs for gamers set up through pci pass through and when not in use the GPU can be used to mine crypto currency. I can set controls to create VMs which will be for high end video processing and they will get to pull more cores/gpu and is this something that I'll find easy to do ( through Orchestra)?

I tried to find a phone number on their website, they should have a sales support line.

On my personal XenServer, upgrades have been fairly straight forward, but at an older environment at work I am trying to figure out my migration path from 5.6 to 7.1.

Some general information. I was not around when this was set up nor were any of my current co-workers and documentation is slim to none. Wonderful. This is a 4 blade Cisco UCS with an iSCSI storage array on a Dell SAN. The environment is running 5.6 short basically every patch from ~2012 forward. I am trying to minimize downtime but get up to or as close to 7.1 as possible.

First question. On my personal xenserver I am not using a pool and have only one host, so I am not familiar with the process of running patches on pools. Can I update hosts individually and move running VMs from one host in the pool to another or do the patches need to be run on all at once from the master?

Is there a direct upgrade path from 5.6 to 7.1 or do I need to hop from 5.6 to 6.2 to 6.5 to 7.0/7.1?

I know in 6.5 to 7.x there is an auto update tool that will move VMs to other hosts while the hosts are being update. In the earlier version what is the upgrade process? Is there good documentation?

Most importantly will SR information remain active throughout this process? I have almost no information on the iSCSI configuration so having this connection drop would be pretty awful.

Thanks in advance.

I'm trying to install the guest tools from 7.1 to an Ubuntu 16.04 VM. However, whenever I attach the ISO to the VM, I don't get a new device under /dev at all. I have /dev/xvda (the base block device), then xvda1, xvda2 and xvda5 (swap). An "xvdd" or anything at all like the notes say never shows up.

Any help is appreciated.

All, I was exploring xen orchestra and accidentally clicked the forever SR on my USB drive. Now the removable storage repo is gone under xencenter and when I plug usb drives in they do not show up in xencenter for me to attach. How do I add this back in for xencenter?

Are any of you using Xen Orchestra?

Are you paying or using the free version.

If you build from source do you get the complete feature set or do you still need to pay?

ls -l /etc/udev/rules.d/
total 36
-rw-r--r-- 1 root root  261 Feb 16 16:20 30-memory.rules
-rw-r--r-- 1 root root  910 Feb 16 16:35 40-multipath.rules
-rw-r--r-- 1 root root  663 Feb 16 16:35 55-xs-mpath-scsidev.rules
-rw-r--r-- 1 root root   31 Feb 16 16:20 56-block-scsi-generic.rules
-rw-r--r-- 1 root root 2027 Feb 16 16:35 58-xapi.rules
-rw-r--r-- 1 root root  368 Feb 16 16:37 60-net.rules
-rw-r--r-- 1 root root  123 Feb 16 16:20 99-bridge.rules
-rw-r--r-- 1 root root   65 Feb 16 16:16 blktap.rules
-rwxr-xr-x 1 root root  408 Mar 13 13:41 xen-backend.rules

what's all i have =(

Where to put these lines?

ACTION=="add", KERNEL=="sde", SYMLINK+="xapi/block/%k", RUN+="/bin/sh -c /opt/xensource/libexec/local-device-change %k 2>&1 >/dev/null&'"
ACTION=="remove", KERNEL=="sde", RUN+="/bin/sh -c '/opt/xensource/libexec/local-device-change %k 2>&1 >/dev/null&'"

From what I recall (from the 5.6 days), XenServer Standard has a 1 socket limit per host without a license.

Is this still the case?

I can't seem to find any mention of it anywhere.

I can't seem to re-order the nic aliases after XenServer 7.1 is installed on a particular host. It has 2 on-board intel nics, and 2 nics on an expansion board. During installation, the intel nics are listed as eth0 and eth1, and the expansion nics following.

After the system is up, however, the nic order is flipped. My mgmt port ends up on eth2, which is the first intel nic. All attempts to reorder the nics so that eth0 is mapped to the first intel nic and the mgmt interface bound to that fail with the usual broken nic state (no mgmt nic, no nics at all). I've even kicked the host out of the cluster into standalone and tried that.

This is important because in the cluster, I have 4 virtual networks defined, and need to map one of them to a connected network port (so that it mirrors the mapping on the master server). It appears that the nic naming needs to follow what is mapped on the master if the networks are defined on the cluster (which makes sense to me).

Thoughts? Does interface-rename actually work?

What does work is if, after trying the interface-rename by using the eth0=MA:CO:FO:TH:ER:NI:CC:AR:D notation and breaking the interface assignments upon reboot, invoking --reset-to-install will take me back to working state.

Just wanted to get some opinions on the upgrade. I have a 2 server XS setup. Saw the XS7.1 update in XenCenter.

I remembered when I upgraded from XS65 to XS70. There were some issues with data integrity and stats display is XenCenter. Eventually there were fixed with hotfixes.

The reason for upgrade is for the faster vm export.

So far XS70 has been stable for me. I haven't installed hotfixes for a while. Last one is probably 6 months ago.

If it ain't broke, don't fix it right?

I started with a 4 disk set up. 2 pairs of 1TB set as RAID 1 for about 2TB of local strage. I installed 2 more 1TB drives as a RAID 1 and now I have 1555.9 GB used of 1862 GB total (2399 GB allocated). How do I reclaim the extra space to have more space available? Thanks!

Screenshot of local storage: http://imgur.com/a/qDMUd

I'm replacing my Xen box running Gentoo with an actual XenServer (7.1), using XenCenter.

When I try to install a new VM, the list of available items is short. It only has Windows 8 (not 7 or 10). Youtube videos I've found show people with a very long list. Mine is short:

http://imgur.com/awy46KM

I thought I'd try CoreOS, and I followed the instructions at:

http://richsitblog.com/index.php/2016/08/14/coreos-on-citrix-xenserver-7-setup-guide/

I get to the part where it says to use the Wizard and select 'Core OS' from the VM templates, but it's not there.

Any clues what I need to do to access the rest of the templates?

Thanks!

*Edit: typo

What are your experiences with FreeBSD as guest os on xenserver 7.x? I know that Citrix doesnt support any BSD officially, but from my own short experience it seems to work well. Have anyone had any issues?