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SUSE pulls the plug on SES. What are your options now? 1349 901 Michiel Manten

SUSE pulls the plug on SES. What are your options now?

A few months back the news came that SUSE stops supporting its Ceph-based SUSE Enterprise Storage (SES) product to their customers. And, with one eye on Rancher, will promote Longhorn instead. As we support mostly very avid Ceph storage teams…

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RBD latency with QD=1 bs=4k 1500 1000 Michiel Manten

RBD latency with QD=1 bs=4k

You might be asking yourself, why talk about QD=1 bs=4k? Well, from the experience of Wido den Hollander, our colleague at 42on, a single thread IO latency is very important for many applications. What we see with benchmarks is that…

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How to handle large omap objects 1506 1001 Wout van Heeswijk

How to handle large omap objects

Every once in a while a customer will ask me what to do with these messages: health: HEALTH_WARN1 large omap objects First lets see what this means: Ceph services are built on top of RADOS Ceph stores data in relation…

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5 more ways to break your Ceph cluster 1650 1100 Michiel Manten

5 more ways to break your Ceph cluster

While we’ve been working with customers using Ceph in a variety of ways, we have encountered some several ways to break your Ceph cluster. In that light, here is an update on five more ways to break your Ceph cluster…

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42on at Ceph month! 1650 1100 Michiel Manten

42on at Ceph month!

With June already here, it is time for the annual Ceph month. Previously held as a conference and called Cephalocon, this year the event will be held online due to obvious reasons. So, why Ceph month? Ceph month aims at…

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