On Fri, Oct 30, 2020 at 2:13 AM Frank Schilder wrote:
>
> Dear cephers,
>
> I have a somewhat strange situation. I have the health warning:
>
> # ceph health detail
> HEALTH_WARN 3 clients failing to respond to capability release
> MDS_CLIENT_LATE_RELEASE 3 clients failing to respond to capability
umount + mount worked. Thanks!
Best regards,
=
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
From: Dan van der Ster
Sent: 30 October 2020 10:22:38
To: Frank Schilder
Cc: ceph-users
Subject: Re: [ceph-users] MDS_CLIENT_LATE_RELEASE: 3
Hi,
You said you dropped caches -- can you try again echo 3 >
/proc/sys/vm/drop_caches ?
Otherwise, does umount then mount from one of the clients clear the warning?
(I don't believe this is due to a "busy client", but rather a kernel
client bug where it doesn't release caps in some cases -- we'
