Questions tagged [xenserver]

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

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Deleted /var/patch/applied -- Can I recreate it?

I was cleaning out old patches in my Xenserver and accidentally deleted the applied directory in /var/patch. I know which patches have been applied so can I recreate that folder? Is there an example ...
kel's user avatar
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3 votes
2 answers
438 views

Xenserver, iSCSI and Dell MD3600i

I have a functional xenserver 6.5 pool with two nodes. It is backed by an iscsi share on a Dell MD3600i SAN, and this works fine. It was set up before my time. We've added three more nodes to the ...
Criggie's user avatar
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1 vote
1 answer
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How to add a serial port to a Windows 7 guest VM using Xen server 6.5?

We wonder how to add a SERIAL PORT (COM2) into a guest HPVM Windows 7 64 bits in a xen server 6.5 bare metal hypervisor. We have some clients connecting through RDP v8.1 (from Win7-64 to Win7-64) ...
mat.viguier's user avatar
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1 answer
135 views

XenServer - Removing Blade Server from Chassis

I've got to remove one of our PowerEdge M620 blade servers from our M1000e Chassis server to look at the hardware on the server, mainly the mezzanine card installed. Will removing the blade server ...
jrd1989's user avatar
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Enable SNMP XenServer 6.5

I want to enable snmp on my servers running xenserver 6.5. I've found a few articles with instructions to do so and the whole process seems pretty straight forward but my question is this - is there ...
jrd1989's user avatar
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3 answers
2k views

Installing XenServer 6.5 but does not boot up

I have a server with two CPUs, 64GB of RAM and a 8TB RAID 1 drive. I have successfully installed XenServer many times. But when it tries to boot for the first time, it does not boot to the new install....
user219716's user avatar
3 votes
0 answers
1k views

Auto-Reboot on Kernel BUG (not tainted, “fixing recursive fault but reboot is needed”)

I'm running a sometimes highly loaded Debian 7 VM with the latest 3.2.x kernel on a XenServer 6.2 host. Sometimes this VM runs into the following state: Ping is okay, All Services unreachable (...
Julian Kessel's user avatar
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Virtualizing physical Windows Server 2003 R2

I have a HDD that seves as dead data archive. I want to virtualize the HDD in XenServer in atempt of evade some problems (like losing the HDD itself). I tried the VMconverter from VMware (to futher ...
Rafael Carneiro de Moraes's user avatar
0 votes
1 answer
57 views

How to reset a XenCentre terminal emulator (shows junk)

While accessing a linux virtual machine through XenCentre 6's console tab, I mistakenly cat'd binary to stdout (control characters included). Using the reset command in the terminal doesn't redraw the ...
Dana the Sane's user avatar
0 votes
2 answers
12k views

xenserver - xe-toolstack restart - i lost connection from xencenter

After Xencenter-toolstack restart i lost connection from xencenter I try to restart using ssh - putty following message is showing and i lost the browser access also ............ All xe ...
Joseph's user avatar
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-2 votes
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Best Free Hypervisor with HA [closed]

We have been running the free version of Citrix XenServer for about 2 years now and it has worked OK for the most part, but we have also had our issues with it. (problems with bootloaders on various ...
Riley's user avatar
  • 103
13 votes
8 answers
3k views

Free hypervisor for small configuration

I'm building a server for virtualization for a non profit organization. I was planning on employing VMware ESXI free but I'm second guessing my plan because newer ESXI don't seem to be well supported ...
schneida's user avatar
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0 votes
1 answer
345 views

Xenserver 6.5 High Availability

I am running XenServer 6.5 and I just configured High Availability. I noticed that there is the option for start order. Is there a best practice for start order when it comes to HA? Obviously the ...
jrd1989's user avatar
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xenserver low disk io performance

I have XenServer 6.2 (updates applied XS62E001, XS62E002, XS62E004, XS62E005, XS62E007, XS62E008, XS62E009, XS62E010, XS62E011, XS62E012, XS62E013, XS62E014, XS62ESP1, XS62ESP1002) running a year in ...
F Loro's user avatar
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1 answer
217 views

Xackup Backup Type for Xen Server 6.5

I'm running the Xackup trial and started backing up a few linux and windows VM's. I selected disk and memory state as the type of backup. Everything ran fine and backed up ok. When I went to edit ...
jrd1989's user avatar
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2 votes
1 answer
3k views

XenServer VHD data recovery

I have the exported disk image of a VM from XenCenter in VHD format. I used compress from the settings, if that has any impact. How I can access the files without creating VM? I have the VM settings ...
user715517's user avatar
0 votes
1 answer
2k views

Change Xenserver 6.5 MTU

How do I go about change the MTU setting for my management interface in xenserver 6.5? Right now its set to the default 1500 but I want to increase it to 9000. For my setup I have 2 nics on each host ...
jrd1989's user avatar
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2 votes
2 answers
3k views

How to Run Updates Xenserver 6.5 Free Edition

I recently installed the free version of xenserver 6.5. Right now I can run updates through xencenter which is simple and easy. I've been reading though and I've come across a few articles mentioning ...
jrd1989's user avatar
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1 answer
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Best iptables configuration for a xenserver with management interface exposed to www [closed]

Which is the best iptables configuration to protect a management interface of a xenserver with management interface exposed to www? This is my actual configuration: > :INPUT ACCEPT [0:0] :FORWARD ...
Open Space's user avatar
1 vote
1 answer
191 views

Install ossec ids on citrix xenserver dom0

I'm running citrix xen server on a server with two nic each with dedicated public ip and the management interface is directly connected to the www and protected with iptables that allow connections ...
Open Space's user avatar
1 vote
1 answer
338 views

Trying to add 2nd iSCSI VDS to XenServer, receiving error about LUN already used by other SR

I've stepped out of my comfort zone here. Some background. I just provisioned a 2nd vdisk+volume on a HP MSA2000. This SAN is has another vdisk+volume linked to Xenserver. I set the mapping to the ...
Philip Van de Walker's user avatar
0 votes
1 answer
5k views

Creating a XenServer VM from the Command-line

I have an issue in which I cannot understand how to create a XenServer Virtual Machine from the command-line. I have installed XenServer on an unused Tower unit, and currently SSH into it from my Mac....
Oli Callaghan's user avatar
3 votes
2 answers
6k views

CentOS 7 on XenServer 6.5

I am having problem trying to get CentOS 7 Graphical installer to work on XenServer 6.5 (Service pack 1). I have used CentOS 7 template. Graphical installer does not work, getting blank screen with ...
I'll-Be-Back's user avatar
2 votes
2 answers
5k views

Find the current memory setting for dom0 - XenServer 6.5

On XenServer 6.5, I could find how to set the memory settings but I couldn't find how to read the current setting (what's the min, what's the max values) from the command line or by looking into a ...
ETL's user avatar
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3 votes
0 answers
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Convert ESXi 5.0 & 5.5 VM's to Xenserver 6.5

I'm looking to convert about 50 esxi vm's to xenserver 6.5. I am running the free version of xenserver 6.5. I've seen posts for the citrix xen converter tool and I've tried out the VMware OVF ...
jrd1989's user avatar
  • 688
0 votes
1 answer
692 views

NAUbackup - Xenserver 6.5 Backup Solutions

Has anybody every successfully used NAUBackups for xenserver 6.5 and had their backups go to a SAN storage repository? I see the default script backs up to an NFS share but I am trying to avoid NFS ...
jrd1989's user avatar
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1 vote
1 answer
1k views

Dell Supplemental Pack Xenserver 6.5

I'm running xenserver 6.5 SP1 on my Poweredge M620. I want to take advantage of the remote host power on/off features but it looks like I need to install a Dell Supplemental Package. I've been ...
jrd1989's user avatar
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0 votes
1 answer
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Change Xenserver 6.5 Pool Master

I'm looking to change the pool master because my current pool master is having some hardware issues. I've disabled HA and I came across this script to change the pool master to my other server: xe ...
jrd1989's user avatar
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3 votes
0 answers
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XENSERVER - PCI: Fatal: No config space access function found

We use XenServer to host our VPS and when we tried rebooting the server we get the following error right away PCI: Fatal: No config space access function found We need to edit the grub file for the ...
demo9928881's user avatar
0 votes
1 answer
2k views

Xenserver 6.5 Backup Solutions [closed]

I'm looking for a way to backup up VM's in my Xenserver 6.5 environment. I'm open to scripts or installing some tools/clients but it need to opensource. We want to backup to our Dell MD3660i SAN as ...
jrd1989's user avatar
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1 vote
0 answers
1k views

Xenserver 6.5: kernel panic - noapic parameter is incompatible with Xen

Currently I have a server and I want to install XenServer on it, the problem is that I get a kernel panic during the installation procedure. 'kernel panic - not syncing: the noapic parameter is ...
Jonas Libbrecht's user avatar
2 votes
2 answers
4k views

Upgrading XenServer 6.2 to 6.5 or updating in general

Trying to get my XenServer to update, and want to upgrade it also to version 6.5. But cant figur out how. When i try to update using the XenCenter, i cant select the server itselfe when i get to that ...
Kim's user avatar
  • 21
0 votes
1 answer
1k views

XenServer has two processor, but only one is visible

I have a pool of two identical HP DL 360 G7 (dual processor Intel Xeon X5650), with two processors installed (the BIOS show both), running XenServer 6.5. Intel says that this processor has six cores (...
Elieser Topassi's user avatar
0 votes
0 answers
133 views

XenServer, 32-Bit VM's cant exceed 64GB RAM in total

XenServer 6.5 SP1 - 128 GB RAM on Host Several 32-Bit Linux VM's are deployed, most of them are provisioned with 4 GB or 8 GB of RAM. Once the summarized RAM usage of those 32-Bit VM's reaches 64 GB, ...
Alexander Bien's user avatar
2 votes
1 answer
1k views

Xenserver Virtual Adapter Limit

My understanding is that as of Xenserver 6.5 and earlier versions, you can only have 7 virtual network adapters per VM. Is there any known (probably unsupported) way around this limitation? My use ...
codewario's user avatar
  • 558
0 votes
1 answer
962 views

Raid 50 on Dell Perc H700 Integrated Resynching state

I have Raid 50 configured on a Xenserver host with a Perc H700 card and a few weeks ago, replaced a disk which had failed. The raid had rebuilt and I am now checking the status of the array via ...
W Khan's user avatar
  • 58
3 votes
0 answers
853 views

NAS recommendation for Xenserver [closed]

I know this is a newbie question, but believe me please, I have done extensive research on the web and got some conflicting and old answers (2010-2013). I want to know what people do nowadays (in ...
Spock's user avatar
  • 141
2 votes
2 answers
2k views

XenServer, mapping SAN LUN to VDI

I have a few XenServer 6.2/6.5 hosts, and ZFS SAN datastore, providing iSCSI exports for VM storage. It's not an optimal solution to export huge 1-2 Tb LUN as XenServer LVMoiSCSI SR, because: a) no ...
Valentin's user avatar
0 votes
1 answer
94 views

Is it possible to transfer OpenVZ VPS image to XEN platform?

I'm having a memory related issue with my vps on openvz platform and I guess that my hosting provider is overselling RAM. So, I'm thinking to move on a xen platform since ram cannot be oversold but I ...
Mina Hafzalla's user avatar
5 votes
2 answers
3k views

7Zip extraction on linux is so slow

Extracting 7zip with many small files on linux xfs, extraction speed is so slow. My Test System Environment. System1 : 2vCore/4GB CentOS 6.5 64bit guest on XenServer. System2 : 2vCore/4GB Windows ...
fromcloud's user avatar
0 votes
1 answer
95 views

XenServer libguestfs

I am using XenServer 6.5 and I want to mount, modify disk partitions of VHD disk format created by XenServer. For this purpose I need to get libguestfs running as libguestfshas the required features. ...
user1066991's user avatar
3 votes
1 answer
4k views

How to solve XenServer Windows guest time driffting issue?

I do have two different Windows VM guests that seem to be drifting time seriously, reaching an offset of 10-15 seconds in less than a week. Both the Windows guests and the XenServer 6.5 host are ...
sorin's user avatar
  • 8,216
3 votes
0 answers
666 views

Acronis Backup Advanced 11.5 for Citrix XenServer 6.5 installation issues

We are trying to deploy Acronis Backup Advanced for Citrix XenServer on a running pool of XenServer's. The documentation of the product isn't quite clear about the procedure of the installation and ...
Vinícius Ferrão's user avatar
0 votes
1 answer
2k views

XerServer 6.5: Can't start xapi after Power outage

I'm currently testing XenServer 6.5 to be used on the production environment of my company. However, whenever I test its behaviour when facing an unexpected shutdown (i.e.: power outage), xapi service ...
edgardmota's user avatar
3 votes
4 answers
6k views

Bare metal hyper-visor that supports viewing it's own guests [closed]

I'm trying to understand if it is possible to have a Type-1 Hypervisor (bare metal, no host OS) with the ability to view the guest(s) operating system(s) on the same machine. i.e. I have a XenServer ...
ericosg's user avatar
  • 110
1 vote
1 answer
5k views

What hypervisors support vGPU? [closed]

Does anyone know if any open source hypervisor supports vGPUs? It looks like XenServer and vSphere are the only two hypervisors that support virtual graphics cards (true vGPU, not passthrough or ...
dkobran's user avatar
  • 19
0 votes
0 answers
1k views

xenserver host lost all storage connections

I have inherited a xenserver setup running 6.0. There is a storage pool set up with two host servers (a bad idea to start with I gather), 8 vms and several SRs. I recently had one of the hosts fail ...
Thomas Gamble's user avatar
0 votes
2 answers
3k views

XenServer 6.5 bare metal randomly rebooting and hanging

I am pretty new to XenServer so it may just be something silly causing this. Some background first. I have 2 instances of XenServer running on my network. I have an older horsepower server (...
Vl4dim1r's user avatar
2 votes
1 answer
7k views

Xenserver 6.5 LSI MegaRAID

Is there a package available to install the MegaCLI on XenServer6.5? For 6.5 there is this [1] but 6.5 has another kernel. XenServer 6.5 is based on CentOS6.5 (right?), so I also tried the kmod-...
Dirk's user avatar
  • 241
3 votes
1 answer
2k views

XenServer - Storage XenMotion between 2 servers using direct LAN connection

I have two physical servers (recent, Haswell based machines) on which I have installed XenServer 6.5 . Both servers have two NICs. These servers are hosted at the Hetzner datacenter. I have connected ...
Anjan's user avatar
  • 307

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