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ReFS parallel (multithreaded) clones of single source file can fail #10

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erikmav opened this issue Sep 7, 2022 · 2 comments
Open

ReFS parallel (multithreaded) clones of single source file can fail #10

erikmav opened this issue Sep 7, 2022 · 2 comments

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@erikmav
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erikmav commented Sep 7, 2022

See microsoft/CopyOnWrite#3 where creating clones can return success but the file is all zeroes (i.e. region clone did not actually take effect). PR in which I added serialization based on source path to make things fully stable: microsoft/CopyOnWrite#6

I don't have a solution for this. Working on filing an issue with Windows team but any fix would be a long time coming.
@erikmav
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erikmav commented Sep 15, 2022

Also see cross-process mutex implementation in microsoft/CopyOnWrite#9

@erikmav
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erikmav commented Sep 15, 2022

Tracking and more details on the bug in microsoft/CopyOnWrite#12

@nachoaldamav nachoaldamav mentioned this issue Oct 18, 2023
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