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Forum Discussion
[BUG] RAID Resync Progress Output in 6.8.0
In my quest to find half usable iSCSI performance on the 3220 (https://community.netgear.com/t5/ReadyNAS-in-Business/RN3220-RN4200-Crippling-iSCSI-Write-Performance/m-p/1289066), I upgraded to FW 6.8.0, blew away the array and rebuilt it - into a RAID 10 this time - and left it re-synching overnight.
I came back this morning and this is what the re-sync operation was reporting:
If you jump in and out of the tab, the % and timer are still ticking. So it looks like a bug. I assume the UI update algorithm was never correctly informed that the operation was complete and the counters continued ticking.
6 Replies
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ITisTheLaw wrote:
I assume the UI update algorithm was never correctly informed that the operation was complete and the counters continued ticking.
I think it's far more likely that the resync isn't complete, but the UI statistic is incorrect. For instance, if your RAID array has multiple RAID groups, the UI might be confused on the denominator.
It's not just resyncs... it happens on btrfs volume operations (defrag, balance, etc) too. I've just been too time-poor and new-community-UX-annoyed to post about it.
StephenB,
You are right, but weirdly it did go away so I thought it was done. However, it is still going at well over 25.5 hours of execution time now against its original 5.5 hour estimate, however the bug still stands. It is now stating -20 hours and over 500% complete.
Clearly it is doing it elsewhere too, although I haven't observed it.
The last time I rebuilt this for that iSCSI thread, as well as two ro three test runs before that, I do not recall such an issue.
If I'm remembering the right iSCSI thread, all your disks are the same size, too, right? If so, you shouldn't have more than one stripe on a factory reset (or re-creating the volume from scratch).
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