Xen Orchestra 6.3.2 Random Replication Failure
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Since the XOA 6.3 release i have had a few random backup errors in an environment that has otherwise had fairly flawless backup performance for the last year. I cannot make out what exactly the error means but retrying the job allows it to succeed without issue. It is also very intermittent.
Log attached. 2026-04-07T01_00_03.075Z - backup NG.txt
If the issue persists i will submit a ticket to dive into it further but i have only had it happen 3 times since the release ofthe 6.3.x update so its hard to reproduce.
Replication target storage is a Pure C50R4 with NFS3 exports.
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Ping @Team-XO-Backend
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@flakpyro Hi, I am looking into it.
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@flakpyro Hi, it seems it is a race condition between disk check and close, and disk transfer. That's why it is randomly happening. This is not an easy fix, we are trying to figure out a workaround.
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@pierrebrunet Thanks for the update. Glad to know its not something unique to our environment and you were able to track down the cause!
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