[ceph-users] ceph.conf public network

Hi all, I read a lot of emails messages and I am confused because in some public network in /etc/ceph/ceph.com is reported like : public_network = a.b.c.d/netmask in others like : public network = a.b.c.d/netmask Does it depend by ceph version ? Ragards Ignazio _

[ceph-users] ceph enterprise and support

Hi all, I read Red Hat has acquired inktank and I would like to know if there is a commercial support for ceph and an enterprise edition. Regards ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

[ceph-users] ceph hostnames

Hi all, I am planning to install a ceph cluster and I have 3 nodes with 2 nic for each one. I read the documentation and it suggests to set a public netowork and a cluster network. Firstly I need to know if public network is the network used by clients to mount ceph file system or to access rbd vol

[ceph-users] ceph nodes operanting system suggested

Hi all, I am planning to install a ceph cluster for testing but, in the future, I'd like to use it in production for kvm virtualization . I'd like to use rbd and not ceph file system. Which is the best linux operating system you suggest for ceph nodes and which is the more stable ceph version for m

[ceph-users] why use hadoop with ceph ?

Hi all, I am testing ceph because I found it is very interesting as far as remote block device is concerned. But my company is very interested in big data. So I read something about hadoop and ceph integration. Anyone can suggest me some documentation explaining the purpose of ceph/hadoop integrati

[ceph-users] ceph networks explanation

Hi all, could somoene explain what's happen when I create a rbd file in a cluster using a public and a cluster network ? The client is on the public network and create a file with rbd command. I think the client contacts the monitor on the public network . What is the network used for replicat

Re: [ceph-users] ceph networks explanation

many thanks 2014-06-05 13:33 GMT+02:00 Wido den Hollander : > On 06/05/2014 12:37 PM, Ignazio Cassano wrote: > >> Hi all, >> could somoene explain what's happen when I create a rbd file in a cluster >> using a public and a cluster network ? >> >> The cli

[ceph-users] rbdmap issue

Hi all, I configured a ceph cluster firefly on ubuntu 12.04. I also confiured a centos 6.5 client with ceph-0.80.1-2.el6.x86_64 and kernel 3.14.2-1.el6.elrepo.x86_64 On Centeos I am able to use rbd remote block devices but if I try to map them with rbdmap no link are generated. Last week, before up

Re: [ceph-users] rbdmap issue

I am sorry for my mistake service rbdmap restart afther restart no links are created end rbd is duplicated 2014-06-06 16:07 GMT+02:00 Ilya Dryomov : > On Fri, Jun 6, 2014 at 4:47 PM, Ignazio Cassano > wrote: > > Hi all, > > I configured a ceph cluster firefly on ubuntu

Re: [ceph-users] rbdmap issue

Many thanks 2014-06-06 16:25 GMT+02:00 Ilya Dryomov : > On Fri, Jun 6, 2014 at 6:15 PM, Ignazio Cassano > wrote: > > I Ilya, no file 50-rbd.rules exist on my system. > > My guess would be that the upgrade went south. In order for the symlinks > to be > created that

[ceph-users] rbd snap protect error

Hi all, I installed cep firefly and now I am playing with rbd snapshot. I created a pool (libvirt-pool) with two images: libvirtimage1 (format 1) image2 (format 2). When I try to protect the first image: rbd --pool libvirt-pool snap protect --image libvirtimage1 --snap libvirt-snap it gives me

Re: [ceph-users] rbd snap protect error

Many thanks... Can I create a format 2 image (with support for linear snapshot) using qemu-img command ? 2014-06-09 13:05 GMT+02:00 Ilya Dryomov : > On Mon, Jun 9, 2014 at 3:01 PM, Ignazio Cassano > wrote: > > Hi all, > > I installed cep firefly and now I am playing with r

Re: [ceph-users] rbd snap protect error

Many thanks 2014-06-09 14:04 GMT+02:00 Wido den Hollander : > On 06/09/2014 02:00 PM, Ignazio Cassano wrote: > >> Many thanks... >> Can I create a format 2 image (with support for linear snapshot) using >> qemu-img command ? >> > > Yes: >

[ceph-users] Ceph site is very slow

Hi all, why ceph.com is very slow ? It is impossible download files for installing ceph. Regards Ignazio ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

Re: [ceph-users] Ceph site is very slow

Many thanks 2015-04-15 10:44 GMT+02:00 Wido den Hollander : > On 04/15/2015 10:20 AM, Ignazio Cassano wrote: > > Hi all, > > why ceph.com is very slow ? > > Not known right now. But you can try eu.ceph.com for your packages and > downloads. > > > It is impossi

[ceph-users] Centos 7 qemu

Hi all, I'd like to know if centos 7 qemu and libvirt suppirt rbd or if there are some extra packages. Regards Ignazio ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

Re: [ceph-users] Centos 7 qemu

wrote: >> >>> Hi, >>> Centos 7 qemu out of the box does not support rbd. >>> >>> I had to build package with rbd support manually with "%define rhev 1" >>> in qemu-kvm spec file. I also had to salvage some files from src.rpm fi

Re: [ceph-users] Centos 7 qemu

t; >>>> Hi, >>>> Centos 7 qemu out of the box does not support rbd. >>>> >>>> I had to build package with rbd support manually with "%define rhev 1" >>>> in qemu-kvm spec file. I also had to salvage some files from src.rpm file >&g

[ceph-users] attive+degraded cluster

Hit all, I successfully installed a ceph cluster firefly version made up of 3 osd and one monitor host. After that I created a pool and 1 rdb object for kvm . It works fine . I verified my pool has a replica size = 3 but a I read the default should be = 2. Trying to shut down an osd and getting

[ceph-users] is cephfs ready for production ?

Hi all, I'd like to know if cephfs is in heavy developement or it is ready for production . Documentation reports it is not for production but I think documentation on ceph.com is not enough recent . Regards Ignazio ___ ceph-users mailing list ceph-user

[ceph-users] ceph luminous bluestore poor random write performances

Hello All, I installed ceph luminous with openstack, an using fio in a virtual machine I got slow random writes: fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=random_read_write.fio --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75 Run status

Re: [ceph-users] ceph luminous bluestore poor random write performances

Hi Stefan, I did not understand you question but it's may fault. I am using virtio-scsi on my virtual machine. The virtual machine has two cores. Or dow yum mean cores on osd servers ? Regards Ignazio Il giorno gio 2 gen 2020 alle ore 10:59 Stefan Kooman ha scritto: > Quoting Ignazio

Re: [ceph-users] ceph luminous bluestore poor random write performances

scritto: > Quoting Ignazio Cassano (ignaziocass...@gmail.com): > > Hello All, > > I installed ceph luminous with openstack, an using fio in a virtual > machine > > I got slow random writes: > > > > fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_r

Re: [ceph-users] ceph luminous bluestore poor random write performances

(3219MB), run=138650-138650msec > WRITE: bw=7578KiB/s (7759kB/s), 7578KiB/s-7578KiB/s (7759kB/s-7759kB/s), > io=1026MiB (1076MB), run=138650-138650msec > > This is OpenStack Queens with Ceph FileStore (Luminous). > > Kind regards, > Sinan Polat > > > Op 2 januari 2

[ceph-users] ceph nautilus cluster name

Hello, I just deployed nautilus with ceph-deploy. I did not find any option to give a cluster name to my ceph so its name is "ceph". Please, how can I chenge my cluster name without reinstalling ? Please, how can I set the cluster name in installation phase ? Many thanks for help Ignazio

Re: [ceph-users] ceph nautilus cluster name

Hello Stefan, but if I want to use rbd mirroring I must have site-a.conf and site-b.conf on one of my nodes.probably one of the mon nodes. Is it only a configuration on ceph client side ? Thanks Ignazio Il Gio 16 Gen 2020, 22:13 Stefan Kooman ha scritto: > Quoting Ignazio Cass