On Fri, Mar 27, 2020 at 07:36:15AM -0400, Jeff Layton wrote:
> On Thu, 2020-03-26 at 10:32 -0700, Gregory Farnum wrote:
> > On Thu, Mar 26, 2020 at 9:13 AM Frank Schilder wrote:
> > > Dear all,
> > >
> > > yes, this is it, quotas. In the structure A/B/ there was a quota set on
> > > A. Hence, B
] Re: Move on cephfs not O(1)?
Made a ticket in the Linux Kernel Client tracker:
https://tracker.ceph.com/issues/44791
I naively don't think this should be very complicated at all, except
that I recall hearing something about locking issues with quota realms
in the kclient? But the userspace c
Made a ticket in the Linux Kernel Client tracker:
https://tracker.ceph.com/issues/44791
I naively don't think this should be very complicated at all, except
that I recall hearing something about locking issues with quota realms
in the kclient? But the userspace client definitely doesn't have to do
On Fri, 2020-03-27 at 07:36 -0400, Jeff Layton wrote:
> On Thu, 2020-03-26 at 10:32 -0700, Gregory Farnum wrote:
> > On Thu, Mar 26, 2020 at 9:13 AM Frank Schilder wrote:
> > > Dear all,
> > >
> > > yes, this is it, quotas. In the structure A/B/ there was a quota set on
> > > A. Hence, B was mov
On Thu, 2020-03-26 at 10:32 -0700, Gregory Farnum wrote:
> On Thu, Mar 26, 2020 at 9:13 AM Frank Schilder wrote:
> > Dear all,
> >
> > yes, this is it, quotas. In the structure A/B/ there was a quota set on A.
> > Hence, B was moved out of this zone and this does indeed change mv to be a
> > cp
gt; From: Frank Schilder
> Sent: 26 March 2020 16:35:07
> To: Gregory Farnum; Beocat KSU
> Cc: ceph-users
> Subject: [ceph-users] Re: Move on cephfs not O(1)?
>
> Dear all, thanks for the hints. I was afraid I see ghosts.
>
> Yes, we have quotas on many directories. I&#
l get back. Thanks!
Best regards,
=
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
From: Gregory Farnum
Sent: 26 March 2020 15:20:51
To: Beocat KSU
Cc: ceph-users; Frank Schilder
Subject: Re: [ceph-users] Re: Move on cephfs not O(
nks!
Best regards,
=
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
From: Gregory Farnum
Sent: 26 March 2020 15:20:51
To: Beocat KSU
Cc: ceph-users; Frank Schilder
Subject: Re: [ceph-users] Re: Move on cephfs not O(1)?
I was wonderin
I was wondering that but at least in the userspace client the quotas
will just throw EXDEV or EDQUOT if it will exceed quotas...
...and EXDEV might trigger the kernel to do a copy-and-delete, I
guess? Not sure.
On Thu, Mar 26, 2020 at 7:18 AM Adam Tygart wrote:
>
> Is there is a possibility that
Is there is a possibility that there was a quota involved? I've seen
moves between quota zones to cause a copy then delete.
--
Adam
On Thu, Mar 26, 2020 at 9:14 AM Gregory Farnum wrote:
>
> On Thu, Mar 26, 2020 at 5:49 AM Frank Schilder wrote:
> >
> > Some time ago I made a surprising observati
On Thu, Mar 26, 2020 at 5:49 AM Frank Schilder wrote:
>
> Some time ago I made a surprising observation. I reorganised a directory
> structure and needed to move a folder one level up with a command like
>
> mv A/B/ B
>
> B contained something like 9TB in very large files. To my surprise, this
>
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