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Press release 1600 899 Michiel Manten
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Press release

Fairbanksacquires 42on.Fairbanks, leading provider in open source cloud solutions, announces the acquisition of 42on, leading provider of services for the Ceph storage platform.Read press release Pressrelease. Amersfoort, July 23 2019 Fairbanks, leading provider in open source cloud solutions, announces the…

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Setting noout flag per Ceph OSD 1630 1001 Wido den Hollander
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Setting noout flag per Ceph OSD

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 what you want as you might be performing maintenance on…

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Ceph: Object, block and file system storage in a single storage cluster 1536 1001 Michiel Manten
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Ceph: Object, block and file system storage in a single storage cluster

Cloud storage in your datacenter Storage growth for the coming years The International Data Corporation (IDC) has released a report on the ever-growing collective world’s data, a.k.a. the datasphere. Numbers are staggering: the IDC predicts that the collective sum of…

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Comparing two Ceph CRUSH maps 1500 1000 Wido den Hollander
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Comparing two Ceph CRUSH maps

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 a rule in CRUSH where it would use device classes,…

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HAProxy in front of Ceph Manager dashboard 1500 1000 Wido den Hollander
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HAProxy in front of Ceph Manager dashboard

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 and you have to place a Proxy server between your…

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