Re: [ceph-users] "VolumeDriver.Create: Unable to create Ceph RBD Image"

2018-01-13 Thread Traiano Welcome
On Sat, Jan 13, 2018 at 5:58 PM, Traiano Welcome wrote: > Hi > > On Mon, Jan 8, 2018 at 9:27 PM, Jason Dillaman > wrote: > >> If you are using a pre-created RBD image for this, you will need to >> disable all the image features that krbd doesn't support: >

Re: [ceph-users] "VolumeDriver.Create: Unable to create Ceph RBD Image"

2018-01-13 Thread Traiano Welcome
:49:57 main.go:127: INFO: Creating Docker VolumeDriver Handler 2018/01/13 09:49:57 main.go:131: INFO: Opening Socket for Docker to connect: /run/docker/plugins/dummy01.sock --- Is there any way I can diagnose at a lower level to understand what's going on here? > On Sun, Jan 7, 2018 a

[ceph-users] "VolumeDriver.Create: Unable to create Ceph RBD Image"

2018-01-07 Thread Traiano Welcome
Hi List I'm getting the following error when trying to run docker with a rbd volume (either pre-existing, or not): "VolumeDriver.Create: Unable to create Ceph RBD Image" Please could someone give me a clue as to how to debug this further and resolve it? Details of my platform: 1. ceph version

Re: [ceph-users] Ceph as an Alternative to HDFS for Hadoop

2018-01-02 Thread Traiano Welcome
ccessed through network. > Ok, so in "slow" networks this will be an issue. > > On Fri, Dec 22, 2017 at 4:52 AM, Traiano Welcome > wrote: > > Hi List > > > > I'm researching the possibility os using ceph as a drop in replacement > for > > hdfs f

Re: [ceph-users] Ceph as an Alternative to HDFS for Hadoop

2018-01-02 Thread Traiano Welcome
rkan Çoban : > >> >Also, are there any benchmark comparisons between hdfs and ceph >> specifically around performance of apps benefiting from data locality ? >> There will be no data locality in ceph, because all the data is >> accessed through network. >> >&

[ceph-users] Ceph as an Alternative to HDFS for Hadoop

2017-12-21 Thread Traiano Welcome
Hi List I'm researching the possibility os using ceph as a drop in replacement for hdfs for applications using spark and hadoop. I note that the jewel documentation states that it requires hadoop 1.1.x, which seems a little dated and would be of concern for peopel: http://docs.ceph.com/docs/jewe

Re: [ceph-users] HEALTH_ERR pgs are stuck inactive for more than 300 seconds

2017-11-22 Thread Traiano Welcome
flags sortbitwise,require_jewel_osds pgmap v357: 192 pgs, 3 pools, 174 kB data, 21 objects 104 MB used, 4590 GB / 4590 GB avail 192 active+clean > > On Tue, Nov 21, 2017 at 10:25 AM Traiano Welcome wrote: >> >> Hi List >> >> I'

[ceph-users] HEALTH_ERR pgs are stuck inactive for more than 300 seconds

2017-11-21 Thread Traiano Welcome
Hi List I've just begun using ceph and installed a small cluster on ubuntu 16.04 nodes using this the process in this guide: https://www.howtoforge.com/tutorial/how-to-install-a-ceph-cluster-on-ubuntu-16-04/ However, once the installation is complete, I see the newly installed cluster is not hea