[ceph-users] How could I take advantage of object in ceph RADOS

2014-01-04 Thread upendrayadav.u
Hi,How could I take advantage of object in ceph RADOS?In ceph, I know, I can write a file as object.Can I add more files in same object and depends on requirements get/overwrite/append any of them? I don't know, is this a valid question or not... just want to know what is the benefits of object.Reg

Re: [ceph-users] Is cepf feasible for storing large no. of small files with care of handling OSD failure(disk i/o error....) so it can complete pending replication independent from no. of files

2014-01-03 Thread upendrayadav.u
Thanks a lot... for your detailed and very clear answer :)Regards,Upendra YadavDFS On Fri, 03 Jan 2014 15:52:09 +0530 Wido den Hollander wrote On 01/02/2014 05:42 PM, upendrayadav.u wrote: > Hi, > > 1. Is ceph is feasible for storing large no. of small files in ceph > clust

[ceph-users] Is cepf feasible for storing large no. of small files with care of handling OSD failure(disk i/o error....) so it can complete pending replication independent from no. of files

2014-01-02 Thread upendrayadav.u
Hi,1. Is ceph is feasible for storing large no. of small files in ceph cluster with care of osd failure and recovery process.2. if we have 4TB OSD(almosst 85% full) and storing only small size files(500 KB to 1024 KB), And it got failed(due to disk i/o error) then how much time it will take to

[ceph-users] Some question.... restarting whole cluster(OSD+MON)

2013-12-26 Thread upendrayadav.u
Hi, We are planing to test and use ceph object storage(no RBD/no cephFS), but before that we have some questions: 1. How much time it will take to be ready for processing client request if we restart the the whole cluster(MON+OSDs). In this case how cluster map will create(OSD dependency). 2.

[ceph-users] Some questions.... regarding POOL

2013-12-23 Thread upendrayadav.u
Dear Team, As we know, In ceph we can write file as object by creating/selecting pool. There are no. of pools and each pool have no. of objects. And each pool belongs to some set of osds. By default some pools are already created - rbd, data and metadata. My question is - 1. When we should cr

[ceph-users] Need Java bindings for librados....

2013-12-20 Thread upendrayadav.u
Hi, I need Java bindings for librados. And also i'm new to use "Java bindings". Could you please help me get a best way to use librados with java program. And what is the problem we will face, if we will use Java bindings. Is there any alternatives... Thanks & Regards, Upendra Yadav _

[ceph-users] librados: client.bootstrap-osd authentication error (1) Operation not permitted

2013-11-27 Thread upendrayadav.u
On Activating cluster ceph disks by using command ceph-deploy osd activate ceph-node3:/home/ceph/osd2i am gettingceph-node3][DEBUG ] connected to host: ceph-node3 [ceph-node3][DEBUG ] detect platform information from remote host[ceph-node3][DEBUG ] detect machine type[ceph_deploy.osd][INFO  ] Distr

Re: [ceph-users] getting problem in OSD prepare : [ceph_deploy.osd][ERROR ] OSError: [Errno 18] Invalid cross-device link

2013-11-27 Thread upendrayadav.u
Deza <alfredo.d...@inktank.com> wrote: On Tue, Nov 26, 2013 at 9:19 AM, upendrayadav.u <upendrayada...@zohocorp.com> wrote: Dear Team After executing : ceph-deploy -v osd prepare ceph-node2:/home/ceph/osd1i'm getting some error :[ceph-node2][DEBUG ] connected to host: ceph-node2  [

[ceph-users] getting problem in OSD prepare : [ceph_deploy.osd][ERROR ] OSError: [Errno 18] Invalid cross-device link

2013-11-26 Thread upendrayadav.u
Dear TeamAfter executing : ceph-deploy -v osd prepare ceph-node2:/home/ceph/osd1i'm getting some error :[ceph-node2][DEBUG ] connected to host: ceph-node2 [ceph-node2][DEBUG ] detect platform information from remote host[ceph-node2][DEBUG ] detect machine type[ceph_deploy.osd][INFO  ] Distro info: