Hello Mike and Jason,
as described in my last mail i converted the filesystem to ext4, set "sysctl
vm.dirty_background_ratio=0" and I put the regular workload on the filesystem
(used as a NFS mount).
That seems so to prevent crashes for a entire week now (before this, the nbd
device crashed
Hello Jason,
Am 12.09.19 um 16:56 schrieb Jason Dillaman:
> On Thu, Sep 12, 2019 at 3:31 AM Marc Schöchlin wrote:
>
> Whats that, have we seen that before? ("Numerical argument out of domain")
> It's the error that rbd-nbd prints when the kernel prematurely closes
> the socket ... and as we
On Thu, Sep 12, 2019 at 3:31 AM Marc Schöchlin wrote:
>
> Hello Jason,
>
> yesterday i started rbd-nbd in forground mode to see if there are any
> additional informations.
>
> root@int-nfs-001:/etc/ceph# rbd-nbd map rbd_hdd/int-nfs-001_srv-ceph -d --id
> nfs
> 2019-09-11 13:07:41.444534
Hello Jason,
yesterday i started rbd-nbd in forground mode to see if there are any
additional informations.
root@int-nfs-001:/etc/ceph# rbd-nbd map rbd_hdd/int-nfs-001_srv-ceph -d --id nfs
2019-09-11 13:07:41.444534 77fe1040 0 ceph version 12.2.12
On Tue, Sep 10, 2019 at 9:46 AM Marc Schöchlin wrote:
>
> Hello Mike,
>
> as described i set all the settings.
>
> Unfortunately it crashed also with these settings :-(
>
> Regards
> Marc
>
> [Tue Sep 10 12:25:56 2019] Btrfs loaded, crc32c=crc32c-intel
> [Tue Sep 10 12:25:57 2019] EXT4-fs (dm-0):
Hello Mike,
as described i set all the settings.
Unfortunately it crashed also with these settings :-(
Regards
Marc
[Tue Sep 10 12:25:56 2019] Btrfs loaded, crc32c=crc32c-intel
[Tue Sep 10 12:25:57 2019] EXT4-fs (dm-0): mounted filesystem with ordered data
mode. Opts: (null)
[Tue Sep 10
Hello Mike,
Am 03.09.19 um 04:41 schrieb Mike Christie:
> On 09/02/2019 06:20 AM, Marc Schöchlin wrote:
>> Hello Mike,
>>
>> i am having a quick look to this on vacation because my coworker
>> reports daily and continuous crashes ;-)
>> Any updates here (i am aware that this is not very easy to
Hello Mike,
Am 15.08.19 um 19:57 schrieb Mike Christie:
>
>> Don't waste your time. I found a way to replicate it now.
>>
>
> Just a quick update.
>
> Looks like we are trying to allocate memory in the IO path in a way that
> can swing back on us, so we can end up locking up. You are probably not
On 08/14/2019 06:55 PM, Mike Christie wrote:
> On 08/14/2019 02:09 PM, Mike Christie wrote:
>> On 08/14/2019 07:35 AM, Marc Schöchlin wrote:
> 3. I wonder if we are hitting a bug with PF_MEMALLOC Ilya hit with krbd.
> He removed that code from the krbd. I will ping him on that.
>>>
>>>
On 08/14/2019 02:09 PM, Mike Christie wrote:
> On 08/14/2019 07:35 AM, Marc Schöchlin wrote:
3. I wonder if we are hitting a bug with PF_MEMALLOC Ilya hit with krbd.
He removed that code from the krbd. I will ping him on that.
>>
>> Interesting. I activated Coredumps for that processes -
On 08/14/2019 07:35 AM, Marc Schöchlin wrote:
>>> 3. I wonder if we are hitting a bug with PF_MEMALLOC Ilya hit with krbd.
>>> He removed that code from the krbd. I will ping him on that.
>
> Interesting. I activated Coredumps for that processes - probably we can
> find something interesting
Hello Mike,
see my inline comments.
Am 14.08.19 um 02:09 schrieb Mike Christie:
>>> -
>>> Previous tests crashed in a reproducible manner with "-P 1" (single io
>>> gzip/gunzip) after a few minutes up to 45 minutes.
>>>
>>> Overview of my tests:
>>>
>>> - SUCCESSFUL: kernel 4.15, ceph
On 08/13/2019 07:04 PM, Mike Christie wrote:
> On 07/31/2019 05:20 AM, Marc Schöchlin wrote:
>> Hello Jason,
>>
>> it seems that there is something wrong in the rbd-nbd implementation.
>> (added this information also at https://tracker.ceph.com/issues/40822)
>>
>> The problem not seems to be
On 07/31/2019 05:20 AM, Marc Schöchlin wrote:
> Hello Jason,
>
> it seems that there is something wrong in the rbd-nbd implementation.
> (added this information also at https://tracker.ceph.com/issues/40822)
>
> The problem not seems to be related to kernel releases, filesystem types or
> the
Hello Jason,
thanks for your response.
See my inline comments.
Am 31.07.19 um 14:43 schrieb Jason Dillaman:
> On Wed, Jul 31, 2019 at 6:20 AM Marc Schöchlin wrote:
>
>
> The problem not seems to be related to kernel releases, filesystem types or
> the ceph and network setup.
> Release 12.2.5
On Wed, Jul 31, 2019 at 6:20 AM Marc Schöchlin wrote:
>
> Hello Jason,
>
> it seems that there is something wrong in the rbd-nbd implementation.
> (added this information also at https://tracker.ceph.com/issues/40822)
>
> The problem not seems to be related to kernel releases, filesystem types
Hello Jason,
it seems that there is something wrong in the rbd-nbd implementation.
(added this information also at https://tracker.ceph.com/issues/40822)
The problem not seems to be related to kernel releases, filesystem types or the
ceph and network setup.
Release 12.2.5 seems to work
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