Unrecoverable unfound objects in Ceph 0.67 and earlier

Posted on Tue 28 January 2014 in hints-and-kinks • Tagged with Ceph • 3 min read

As Ceph author Sage Weil points out frequently, distributed storage solutions for all their goodness have a "dirty little secret": No matter just how redundant and reliable they are by design, a bug in the storage software itself can be a real issue.

And occasionally, the bug doesn't have to …


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Ceph: object storage, block storage, file system, replication, massive scalability and then some!

Posted on Fri 31 May 2013 in presentations • Tagged with Ceph, Conference • 1 min read

This is one of my most popular talks, co-presented with intrepid cartoonist-turned-engineer Tim Serong from SUSE.


This article originally appeared on the hastexo.com website (now defunct).


Ceph: The Storage Stack for OpenStack

Posted on Tue 28 May 2013 in presentations • Tagged with Ceph, Conference • 1 min read

My presentation from OpenStack Israel, May 27, 2013. After a brief introduction into Ceph, I dive into OpenStack specific Ceph features and outlines RBD integration with Glance and Cinder, and explains RadosGW Swift compatibility.


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Enter the cuttlefish!

Posted on Tue 07 May 2013 in blog • Tagged with Ceph • 2 min read

Today, the developers released Ceph 0.61, codenamed cuttlefish. There are some interesting features in this new release, take a look.

One thing that will undoubtedly make Ceph a lot more palatable to RHEL/CentOS users is the availability of Ceph in EPEL. This was originally announced in late March …


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Solid-state drives and Ceph OSD journals

Posted on Sun 13 January 2013 in hints-and-kinks • Tagged with Ceph, Performance • 4 min read

Considerations for running Ceph OSD journals on SSDs.


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