Mark Syms
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Posts posted by Mark Syms
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These can't and should not be deleted as they are the read-only parents of delta VDIs that will have been created by your backup software taking snapshots of the VMs. Asuming nothing else untoward they will be cleaned up and merged with the leaf VDIs at some point after the snapshots are deleted, if the snapshots are still present they will not be removed until such time as the snapshots are removed and the background housekeeping tasks have an opportunity to merge the data in the parent and child VDIs.
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It might be an option but it was never recommended.
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There are no currently in support "free versions" of XenServer or Citrix Hypervisor so I think that even if you can find install media for XenServer 7.6 you will not be able to license it.
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Not only is XS56 ancient, XS7.4 is long out of support as well.
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You can, but each VM still requires a unique MAC, so if the service provider is only allowing traffic for a single MAC you will need some form of NAT firewall routing to present all the traffic as if it came from a single point.
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This is not a problem with the hypervisor but an issue with your network service provider.
The only thing you could do is create a separate VM as a "router" VM and route the traffic from the other VMs through that with a NAT firewall. The VMs each need to have a unique MAC address as that is what is used to ensure that network traffic for the VMs is sent to the correct place.
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There is no public timeframe for when this support will be available.
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error 5 is a general IO error which most likely indicates a low level disk error on the storage. This is probably causing all the background cleanup tasks to fail when they hit an IO error.
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XS 7.1 CU2 goes End of Life in August 2022.
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Not currently no, and no public timeframe as to when support will be available (but basically as soon as feasible).
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On 12/2/2021 at 2:12 PM, Tobias Kreidl said:
Might be easier to install 7.6 on the new servers (if even possible), join them to the existing pool, and then consider an upgrade. On the other hand, you also want to make sure all your servers will be compatible with 8.2 before you even think about upgrading. As you already pointed out, there is no direct migration from 7.6 to 8.2, anyway.
-=Tobias
Upgrade from 7.6 to any version is not supported as the versions to which 7.6 was supported to upgrade to are themselves no longer in support.
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34 minutes ago, Mike Maggio1709162854 said:
I though you could go from 7.2 to 8 and then to 8.2.
no, it was only ever supported to upgrade from N-2 to N, i.e. 7.5/7.6 -> 8.0. Long Term Support releases, i.e. XenServer 7.1 CU2 are expected to be upgradable to the next LTSR release, i.e Citrix Hypervisor 8.2.
Currently there are only the two LTSRs in support, i.e XenServer 7.1 LTSR CU2 (until August 2022) and Citrix Hypervisor 8.2 LTSR
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DMC is dropped as it never worked correctly in the Xen hypervisor and it would require a wholesale architectural overhaul to make it work, resource for which does not exist and so the feature is removed along with the several hundred bugs filed against it.
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Sorry, wrong forum, this is the Hypervisor forum.
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@Chris O'Hara. You won't have got any answers to this as you've posted it in the wrong forum. This is the Citrix Hypervisor (formerly XenServer) forum, you want the Workspace forum.
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Likely, if it's not on the HCL then support is on a "Best effort" basis and it may just not work.
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Is the hardware listed on the Hardware Compatibility List ? http://hcl.xensource.com/
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You can look in the /var/log/SMlog file after running the "Rescan" operation from XenCenter. If the garbage collector finds any coaleascable nodes it will print a tree of them in the log and if it can't perform the coalesce for any reason it will report why in there as well.
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As Alan says, Software RAID is not supported by Citrix, so we don't test it and therefore it can be assumed to be broken.
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It's probably both, something went wrong and then the code is not handling the failure. As XS 7.6 is long EOL (as is Citrix Hypervisor 8.0) there is now no supported upgrade path that doesn't involve re-installing from scratch.
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You can also see the chains in the /var/log/SMlog file when a scan operation is performed on the SR (or shortly thereafter anyway when the garbage collection process runs)
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Both of those features require virtualisation support in the operating system and as this is a VM that means nested virtualisation support in the hypervisor. This is not a feature supported by Citrix Hypervisor and it is not on any roadmap although it is something that both the product and engineering teams are aware of being necessary for supporting certain features of Windows.
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I doubt the disks are the CBT metadata but are actually the snapshots that were taken by your backup software.
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The GFS2 tests in the Storage Cert suite require clustering to be enabled (as the GFS2 SR does), this is a premium licensed feature.
VMware or VirtualBox within Citrix VM
in Windows Guest Installation
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Not supported and will not work.