@julien-f and the stream error?
Best posts made by rtjdamen
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RE: CBT: the thread to centralize your feedback
@olivierlambert, I first want to compliment the work that has been done. As a first release, it already seems very stable. I have shared some logs with support to investigate the data_destroy issue and some minor error messages that appeared. We managed to migrate all our backup jobs to CBT over the weekend. It was challenging to coalesce all the snapshots, but it has been completed. The difference in coalesce speed is significant, which is a great improvement for XOA backups. I will monitor the backups and observe how they evolve in the coming weeks.
Please let us know if you need any additional input or if there are any updates regarding the data_destroy issue.
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RE: CBT: the thread to centralize your feedback
@Andrew need to do some more testing but second run does clean them out, keep u all posted on the results over the weekend!
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RE: CBT: the thread to centralize your feedback
All tests with 2 vms were so far succesfull, no issues found in our lab. Good job guys!
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RE: Why does the backup use snapshots and not CBT
@olivierlambert in then end that will be the best, but i am inpressed with the experience of there team on Xen and XCP as well, i think they are a good addition to the allready complete list, to be honest so far there backup tool is doing better then the ones allready on the list.
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RE: Why does the backup use snapshots and not CBT
@olivierlambert ok, is there a way we can keep an eye on this devepment? shall i open a feature request on this with support or what is the best way to proceed?
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RE: Why does the backup use snapshots and not CBT
@olivierlambert, yes, but the snapshot doesn't need to remain till the next job is running. This distinction significantly impacts space requirements. You don't back up all your VMs simultaneously.
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RE: VMware migration tool: we need your feedback!
@olivierlambert I wanted to comment on this topic, we have migrated around 450 vms in 3 months using this feature, it really was a game changer and without it we were never able to make the step to XCP-NG. during the migration process we saw the feature being improved, overall speed and reliability were great. Compliments on this feature and i think it will help a lot of future customers migrating to XCP-NG.
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Advise on pool
Hi, we are currently in the process of migration to xcp-ng, In VMWare we have multiple hosts running with different age and specs. I prefer putting these hosts into 1 pool. Currently we use hosts with these types of cpu's
First of all would it be possible to run these in a combined pool? second question is how to proceed, can we just put them all toghether and will the master manage the cpu masking? or is there one specific host we need to start with? I am curious if there is a manual on this proces? It seems that this is missing in the documentation.
What are your thoughts on this?
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RE: Fetch VMS and there current hosts
@olivierlambert i will open a support ticket right away!
Latest posts made by rtjdamen
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RE: Switching to XCP-NG, want to hear your problems
@olivierlambert i do agree, from our experience cbt did solve this issues. Snapshots are removed in seconds, this was 10 to 15 minutes prior to using cbt. There is still some work to be done with cbt but it is usable at this time.
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RE: CBT: the thread to centralize your feedback
@flakpyro indeed, sounds like a bug. It should delete the snapshot, disable cbt and then migrate to the other sr.
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RE: CBT: the thread to centralize your feedback
@flakpyro i know from our other backup software we use that migrating cbt enabled vdi’s is not supported on xen, when u migrate between sr it will disable cbt on that vdi. This is causing a new full. This is by design
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RE: Switching to XCP-NG, want to hear your problems
@rfx77 there are several other options, alike a3 is one good agentless solution that runs xcp-ng cbt backups. XOA is allready having in beta and is focussing on getting 100%, we run our backups on cbt and it seems to work allrwsdy very good. Coalesce with cbt is almost instant.
I know Nakivo is also planning on adding xcp-ng to there solution kn the near future. -
RE: Switching to XCP-NG, want to hear your problems
@rfx77 use cbt backups and no coalesce and snapshot issues anymore.
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RE: Switching to XCP-NG, want to hear your problems
@fakenuze we had the same challenge but managed to take care of this by changing the nic names.
Check out this article
https://support.citrix.com/s/article/CTX135809-how-to-change-order-of-nics-in-xenserver?language=en_US -
RE: CBT: the thread to centralize your feedback
@olivierlambert unfortunatly it did not resolve the stream problem, just got another one.
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RE: CBT: the thread to centralize your feedback
@flakpyro did the same test with nfs based vm, but also can’t reproduce the problem here.
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RE: CBT: the thread to centralize your feedback
@olivierlambert last week @florent implemented some changed code at our end, but this did not seem to resolve the issue, we are using a proxy for backups, i am not shure is the changed code was deployed to our xoa or xoa proxy, as we are still encountering the issue i have now changed the settings to not use the proxy, so far no stream errors yet. I still see the data destory vdi in use but that could be a different problem. I will keep an eye on it to check if indeed florent did not deploy the upgrade to the proxy and we did therefore not see the changes.
Anyone using proxy in this situations where the stream error occurs?