Re: [ceph-users] out of memory bluestore osds

SST file in rocksdb to be able to completely blow everything else out of the block cache during compaction, only to quickly become invalid, removed from the cache, and make it look to the priority cache system like rocksdb doesn't actually need any more memory for cache. Mark On 8/7/19 7:44

[ceph-users] out of memory bluestore osds

M per osd(1GB of RAM for 1TB). So in this case 48GB of RAM would be needed. Am I right? Are these the minimun requirements for bluestore? In case adding more RAM is not an option, can any of osd_memory_target, osd_memory_cache_min, bluestore_cache_size_hdd be decrease to fit in our server specs? Would this ha

Re: [ceph-users] cephfs clients hanging multi mds to single mds

Paul Am Di., 2. Okt. 2018 um 10:45 Uhr schrieb Jaime Ibar : Hi Paul, we're using 4.4 kernel. Not sure if more recent kernels are stable for production services. In any case, as there are some production services running on those servers, rebooting wouldn't be an option if

Re: [ceph-users] cephfs clients hanging multi mds to single mds

n 01/10/18 21:10, Paul Emmerich wrote: Which kernel version are you using for the kernel cephfs clients? I've seen this problem with "older" kernels (where old is as recent as 4.9) Paul Am Mo., 1. Okt. 2018 um 18:35 Uhr schrieb Jaime Ibar : Hi all, we're running a ceph 12.2.7 L

Re: [ceph-users] cephfs clients hanging multi mds to single mds

emon socket in case of ceph-fuse, or the debug information in /sys/kernel/debug/ceph/... for the kernel client. Regards, Burkhard On 01.10.2018 18:34, Jaime Ibar wrote: Hi all, we're running a ceph 12.2.7 Luminous cluster, two weeks ago we enabled multi mds and after few hours thes

[ceph-users] cephfs clients hanging multi mds to single mds

8] ceph: mds1 recovery completed Not sure what else can we try to bring hanging clients back without rebooting as they're in production and rebooting is not an option. Does anyone know how can we deal with this, please? Thanks Jaime -- Jaime Ibar High Performance & Research Comput

Re: [ceph-users] Slow requests blocked. No rebalancing

mpact on clients during migration I would set the OSD's primary-affinity to 0 beforehand. This should prevent the slow requests, at least this setting has helped us a lot with problematic OSDs. Regards Eugen Zitat von Jaime Ibar : Hi all, we recently upgrade from Jewel 10.2.10 to Lumin

[ceph-users] Slow requests blocked. No rebalancing

etwork Does anyone know how to fix or where the problem could be? Thanks a lot in advance. Jaime [0] http://docs.ceph.com/docs/luminous/rados/operations/bluestore-migration/ -- Jaime Ibar High Performance & Research Computing, IS Services Lloyd Building, Trinity College Dublin, Dubli

Re: [ceph-users] Ceph upgrade Jewel to Luminous

o the latest minor release before upgrading major versions, but my own migration from 10.2.10 to 12.2.5 went seamlessly and I can’t see of any technical limitation which would hinder or prevent this process. Kind Regards, Tom *From:*ceph-users *On Behalf Of *Jaime Ibar *Sent:* 14 August 20

[ceph-users] Ceph upgrade Jewel to Luminous

upgrading to Jewel 10.2.11, we wonder if would be possible to skip this Jewel release and upgrade directly to Luminous 12.2.7. Thanks Jaime Jaime Ibar High Performance & Research Computing, IS Services Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchp

[ceph-users] Ceph upgrade Jewel to Luminous

shes after upgrading to Jewel 10.2.11, we wonder if would be possible to skip this Jewel release and upgrade directly to Luminous 12.2.7. Thanks Jaime -- Jaime Ibar High Performance & Research Computing, IS Services Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchp

Re: [ceph-users] Mount CephFS with dedicated user fails: mount error 13 = Permission denied

rs mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Jaime Ibar High Performance & Research Computing, IS Services Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchpc.tcd.ie/ | ja...@tchpc.tcd.ie Tel: +353-1-896-3725

Re: [ceph-users] Cannot mount Ceph FS

Thanks, Riccardo ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Jaime Ibar High Performance & Research Computing, IS Services Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://w

Re: [ceph-users] osds down after upgrade hammer to jewel

Nope, all osds are running 0.94.9 On 28/03/17 14:53, Brian Andrus wrote: Well, you said you were running v0.94.9, but are there any OSDs running pre-v0.94.4 as the error states? On Tue, Mar 28, 2017 at 6:51 AM, Jaime Ibar <mailto:ja...@tchpc.tcd.ie>> wrote: On 28/03/17 14:

Re: [ceph-users] osds down after upgrade hammer to jewel

ones are running hammer Thanks On Tue, Mar 28, 2017 at 1:21 AM, Jaime Ibar <mailto:ja...@tchpc.tcd.ie>> wrote: Hi, I did change the ownership to user ceph. In fact, OSD processes are running ps aux | grep ceph ceph2199 0.0 2.7 1729044 918792 ? Ssl Ma

Re: [ceph-users] osds down after upgrade hammer to jewel

running. If you didn't change the ownership to user ceph, they won't start. On Mar 27, 2017, at 11:53, Jaime Ibar wrote: Hi all, I'm upgrading ceph cluster from Hammer 0.94.9 to jewel 10.2.6. The ceph cluster has 3 servers (one mon and one mds each) and another 6 servers with 12

[ceph-users] osds down after upgrade hammer to jewel

esn't mark it as up and the cluster health remains in degraded state. Do I have to upgrade all the osds to jewel first? Any help as I'm running out of ideas? Thanks Jaime -- Jaime Ibar High Performance & Research Computing, IS Services Lloyd Building, Trinity College Dublin, Dubl