Thank you,

The Rocky Linux 8 (4.18.x) kernel is quite old (2018), and Rocky Linux 9 (5.14.x) is newer (2021), but still behind I think.... Both may lack recent features or patches related to CephFS rootsquash.

In contrast, Arch Linux (6.10.x) uses a cutting-edge, up-to-date kernel that includes the latest support and improvements, explaining the issue differences you're seeing.

I would suggest upgrading the kernel clients if possible and see if this issue is still reproducible .

Just my 2 cents.

Thank you,
Bogdan V.
croit.io

On Thu, Aug 22, 2024 at 1:30 PM Nicola Mori <mori@fi.infn.it> wrote:

Hi Bogdan,

here's the info you requested:

Rocky Linux 8:
$ uname -a
Linux bofur 4.18.0-553.8.1.el8_10.x86_64 #1 SMP Tue Jul 2 17:10:26 UTC
2024 x86_64 x86_64 x86_64 GNU/Linux

Rocky Linux 9:
$ uname -a
Linux fili 5.14.0-427.31.1.el9_4.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Aug
14 16:15:25 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

Archlinux:
$ uname -a
Linux stryke 6.10.6-arch1-1 #1 SMP PREEMPT_DYNAMIC Mon, 19 Aug 2024
17:02:39 +0000 x86_64 GNU/Linux

Cheers,

Nicola
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