[lustre-discuss] Project quota and odd mv behavior

[Hans Henrik Happe]

It's 2.15.7.

On 17/12/2025 03.36, Andreas Dilger wrote:
> There have definitely been some fixes in this area.
> What version of Lustre are you running?
>
>> On Dec 16, 2025, at 07:39, Hans Henrik Happe via lustre-discuss<lustre-discuss at lists.lustre.org> wrote:
>>
>> Hi,
>>
>>
>> It seems like the inherited project quota issue [1] with mv has been resolved with XFS in RHEL9. However, Lustre is a bit strange.
>>
>> Given a "src" and "dst"(empty) dir these two ways of calling mv behaves differently:
>>
>> mv src dst/  (work: no copy)
>> mv src dst/src (copy, then delete)
>>
>> I've attached an strace output for both Lustre and XFS. It seems like mv is handling the fact that Lustre don't have renameat2 a bit differently.
>>
>> Before I dig further. Is this behavior known?
>>
>> Cheers,
>> Hans Henrik
>>
>> [1]http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/2023-February/018511.html
>> <lustre-mv.strace><xfs-mv.strace><lustre-mv-copy.strace>_______________________________________________
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>>
Cheers,
Hans Henrik
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