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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…
For a Ceph cluster I have two Juniper QFX5100 switches running as a Virtual Chassis. This Virtual Chassis is currently only performing L2 forwarding, but I want to move this…
Prior to Ceph Luminous you could only set the noout flag cluster-wide which means that none of your OSDs will be marked as out. On large(r) cluster this isn’t always…
Sometimes you want to test if changes you are about to make to a CRUSH map will cause data to move or not. In this case I wanted to change…
The Ceph Mgr dashboard plugin allows for an easy dashboard which can show you how your Ceph cluster is performing. In certain situations you can’t contact the Mgr daemons directly…
At this moment we are busy with the organization of another Cephalocon. Cephalocon is an annual event organized by the…
read moreStable, secure data storage is probably one of the most important things in today’s data driven world. With the ability…
read moreFor a Ceph cluster I have two Juniper QFX5100 switches running as a Virtual Chassis. This Virtual Chassis is currently…
read moreApril 3rd, 2019 I posted a Linkedin article about the basics of Ceph, a cloud storage platform often used in…
read moreFairbanksacquires 42on.Fairbanks, leading provider in open source cloud solutions, announces the acquisition of 42on, leading provider of services for the…
read morePrior to Ceph Luminous you could only set the noout flag cluster-wide which means that none of your OSDs will…
read moreCloud storage in your datacenter Storage growth for the coming years The International Data Corporation (IDC) has released a report…
read moreSometimes you want to test if changes you are about to make to a CRUSH map will cause data to…
read moreThe Ceph Mgr dashboard plugin allows for an easy dashboard which can show you how your Ceph cluster is performing.…
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