[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

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 w...@42on.com 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 cluster

[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 have4TBOSD(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).

[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

[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 amp; Regards, Upendra Yadav

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
at 9:56 AM, Alfredo 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

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

2013-11-27 Thread upendrayadav.u
OnActivating cluster ceph disks by using commandceph-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 ] Distro

[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: