Depending on what level of verification you need, you can just do a "ceph pg dump" and look to see which OSDs host every PG. If you want to demonstrate replication to a skeptical audience, sure, turn off the machines and show that data remains accessible. -Greg On Friday, May 30, 2014, <yalla.gnan.kumar at accenture.com> wrote: > Hi All, > > > > I have a four node ceph storage cluster. By default all the storage > objects are replicated in Ceph. > > My installation consists of three OSDs. If I create some volumes as block > devices in ceph and write some data > > onto it, how to verify or test that the data is replicated ? Is it by > stopping one or more of the OSDs and check the other > > running ones or how ? > > > > > > > > Thanks > > Kumar > > ------------------------------ > > This message is for the designated recipient only and may contain > privileged, proprietary, or otherwise confidential information. If you have > received it in error, please notify the sender immediately and delete the > original. Any other use of the e-mail by you is prohibited. Where allowed > by local law, electronic communications with Accenture and its affiliates, > including e-mail and instant messaging (including content), may be scanned > by our systems for the purposes of information security and assessment of > internal compliance with Accenture policy. > > ______________________________________________________________________________________ > > www.accenture.com > -- Software Engineer #42 @ http://inktank.com | http://ceph.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140530/cd0140e4/attachment.htm>
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