Re: [ceph-users] Clients failing to respond to cache pressure

2019-05-09 Thread Patrick Donnelly
On Thu, May 9, 2019 at 3:21 AM Stolte, Felix wrote: > > Thanks for the info Patrick. We are using ceph packages from ubuntu main > repo, so it will take some weeks until I can do the update. In the meantime > is there anything I can do manually to decrease the number of caps hold by > the backu

Re: [ceph-users] Clients failing to respond to cache pressure

2019-05-09 Thread Stolte, Felix
Thanks for the info Patrick. We are using ceph packages from ubuntu main repo, so it will take some weeks until I can do the update. In the meantime is there anything I can do manually to decrease the number of caps hold by the backup nodes, like flushing the client cache or something like that?

Re: [ceph-users] Clients failing to respond to cache pressure

2019-05-08 Thread Patrick Donnelly
On Wed, May 8, 2019 at 4:10 AM Stolte, Felix wrote: > > Hi folks, > > we are running a luminous cluster and using the cephfs for fileservices. We > use Tivoli Storage Manager to backup all data in the ceph filesystem to tape > for disaster recovery. Backup runs on two dedicated servers, which mo

Re: [ceph-users] Clients failing to respond to cache pressure

2019-05-08 Thread Stolte, Felix
Hi Paul, we are using Kernel 4.15.0-47. Regards Felix IT-Services Telefon 02461 61-9243 E-Mail: f.sto...@fz-juelich.de - - Fors

Re: [ceph-users] Clients failing to respond to cache pressure

2019-05-08 Thread Stolte, Felix
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Re: [ceph-users] Clients failing to respond to cache pressure

2019-05-08 Thread Paul Emmerich
Which kernel are you using on the clients? Paul -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90 On Wed, May 8, 2019 at 1:10 PM Stolte, Felix wrote: > > Hi folks, > > we are

[ceph-users] Clients failing to respond to cache pressure

2019-05-08 Thread Stolte, Felix
Hi folks, we are running a luminous cluster and using the cephfs for fileservices. We use Tivoli Storage Manager to backup all data in the ceph filesystem to tape for disaster recovery. Backup runs on two dedicated servers, which mounted the cephfs via kernel mount. In order to complete the Ba

[ceph-users] clients failing to respond to cache pressure

2019-05-08 Thread Stolte, Felix
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