-users] Re: ceph fs (meta) data inconsistent
Frank,
By using your script I still couldn't reproduce it. Locally my python
version is 3.9.16, and I didn't have other VMs to test python other
versions.
Could you check the tracker to provide the debug logs ?
Thanks
- Xiubo
On 12/1/23 21:08, Frank
Campus
Bygning 109, rum S14
From: Xiubo Li
Sent: Tuesday, December 5, 2023 1:58 AM
To: Frank Schilder; Gregory Farnum
Cc: ceph-users@ceph.io
Subject: Re: [ceph-users] Re: ceph fs (meta) data inconsistent
Frank,
By using your script I still couldn't reproduce
27, 2023 3:59 AM
To: Frank Schilder; Gregory Farnum
Cc: ceph-users@ceph.io
Subject: Re: [ceph-users] Re: ceph fs (meta) data inconsistent
On 11/24/23 21:37, Frank Schilder wrote:
Hi Xiubo,
thanks for the update. I will test your scripts in our system next week.
Something important: running both
: [ceph-users] Re: ceph fs (meta) data inconsistent
On 11/24/23 21:37, Frank Schilder wrote:
Hi Xiubo,
thanks for the update. I will test your scripts in our system next week.
Something important: running both scripts on a single client will not produce a
difference. You need 2 clients
Sent: Monday, November 27, 2023 3:59 AM
To: Frank Schilder; Gregory Farnum
Cc: ceph-users@ceph.io
Subject: Re: [ceph-users] Re: ceph fs (meta) data inconsistent
On 11/24/23 21:37, Frank Schilder wrote:
> Hi Xiubo,
>
> thanks for the update. I will test your scripts in our system
From: Xiubo Li
Sent: Thursday, November 23, 2023 3:47 AM
To: Frank Schilder; Gregory Farnum
Cc: ceph-users@ceph.io
Subject: Re: [ceph-users] Re: ceph fs (meta) data inconsistent
I just raised one tracker to follow this:
https://tracker.ceph.com/issues/63510
Thanks
- Xiubo
Farnum
Cc: ceph-users@ceph.io
Subject: Re: [ceph-users] Re: ceph fs (meta) data inconsistent
I just raised one tracker to follow this:
https://tracker.ceph.com/issues/63510
Thanks
- Xiubo
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] Re: ceph fs (meta) data inconsistent
On 11/10/23 00:18, Frank Schilder wrote:
Hi Xiubo,
I will try to answer questions from all your 3 e-mails here together with some
new information we have.
New: The problem occurs in newer python versions when using the shutil.copy function. There is also
.
=
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
From: Xiubo Li
Sent: Friday, November 10, 2023 3:14 AM
To: Frank Schilder; Gregory Farnum
Cc: ceph-users@ceph.io
Subject: Re: [ceph-users] Re: ceph fs (meta) data inconsistent
On 11/10/23 00
ygning 109, rum S14
From: Xiubo Li
Sent: Friday, November 10, 2023 3:14 AM
To: Frank Schilder; Gregory Farnum
Cc: ceph-users@ceph.io
Subject: Re: [ceph-users] Re: ceph fs (meta) data inconsistent
On 11/10/23 00:18, Frank Schilder wrote:
> Hi Xiubo,
>
On 11/10/23 00:18, Frank Schilder wrote:
Hi Xiubo,
I will try to answer questions from all your 3 e-mails here together with some
new information we have.
New: The problem occurs in newer python versions when using the shutil.copy function. There is also
a function shutil.copy2 for which
Hi Xiubo,
I will try to answer questions from all your 3 e-mails here together with some
new information we have.
New: The problem occurs in newer python versions when using the shutil.copy
function. There is also a function shutil.copy2 for which the problem does not
show up. Copy2 behaves a
Thanks and best regards,
=
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
From: Frank Schilder
Sent: Thursday, November 2, 2023 12:12 PM
To: Gregory Farnum; Xiubo Li
Cc: ceph-users@ceph.io
Subject: [ceph-users] Re: ceph fs (meta) data inconsisten
On 11/1/23 23:57, Gregory Farnum wrote:
We have seen issues like this a few times and they have all been
kernel client bugs with CephFS’ internal “capability” file locking
protocol. I’m not aware of any extant bugs like this in our code base,
but kernel patches can take a long and winding
On 11/1/23 22:14, Frank Schilder wrote:
Dear fellow cephers,
today we observed a somewhat worrisome inconsistency on our ceph fs. A file
created on one host showed up as 0 length on all other hosts:
[user1@host1 h2lib]$ ls -lh
total 37M
-rw-rw 1 user1 user1 12K Nov 1 11:59
egards,
=
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
________
From: Frank Schilder
Sent: Thursday, November 2, 2023 12:12 PM
To: Gregory Farnum; Xiubo Li
Cc: ceph-users@ceph.io
Subject: [ceph-users] Re: ceph fs (meta) data inconsistent
Hi al
Hi all,
the problem re-appeared in the following way. After moving the problematic
folder out and copying it back, all files showed the correct sizes. Today, we
observe that the issue is back in the copy that was fine yesterday:
[user1@host11 h2lib]$ ls -l
total 37198
-rw-rw 1 user1 user1
We have seen issues like this a few times and they have all been kernel
client bugs with CephFS’ internal “capability” file locking protocol. I’m
not aware of any extant bugs like this in our code base, but kernel patches
can take a long and winding path before they end up on deployed systems.
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