CBT: the thread to centralize your feedback
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I'm not sure there's a change related to that but I can ask @Team-Storage
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Anyone else experiencing this issue?
https://github.com/vatesfr/xen-orchestra/issues/8713it's a long time bug that i believe is pretty easy to fix and get CBT backups to get more robust. Would be great if this can be implemented!
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Pinging @florent about this
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@olivierlambert yes the fix is in the pipeline (on xapi side )
it won't migrate a snapshot with cbt enabled, and won't allow to disable cbt on a snapshot -
Thanks!
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@florent so not an option solving this inside xoa? Could be usefull for the short term.
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Support found that automatic refresh of our sr every 30 seconds delayed this. It seems we had this for a longer time but now itβs more aggressive. Disabled this as this is not required. This resolves our issue here.
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Wow, rescan every 30sec? I thought the default value was 10 min or something
Do you remember setting it manually at some point? -
@olivierlambert No never changed it. From what i understand from Jon it's default this where his words "and all these SRs have auto-scan enabled. This means every 30 seconds, the pool master will scan the entirety of every SR". We changed this and the problem is gone.
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Okay, I thought the autoscan was only for like 10 minutes or so, but hey I'm not deep down in the stack anymore
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F flakpyro referenced this topic on
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Hello,
Just a feedback. I am having trouble using CBT Backups with NBD.
Host Details:
XCP-NG Version : 8.3 latest (stable)
Xen Orchestra: latest:stable (From Source)The first full backup always seems to work. The delta backup gives the error: 'HANDLE_INVALID'
the writer IncrementalXapiWriter has failed the step writer.checkBaseVdis() with error HANDLE_INVALID(VBD, OpaqueRef:xxxxx). It won't be used anymore in this job execution. Start: 2026-08-09 14:01 End: 2026-08-09 14:01 Duration: a few seconds Error: HANDLE_INVALID(VBD, OpaqueRef:xxxxxx) This is a XenServer/XCP-ng error -
A acebmxer referenced this topic on
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