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18%
The RADOS object store and Ceph filesystem: Part 2
31.10.2025
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2012
»
Issue 11: Cloud...
»
a RADOS cluster: the MONmap, which is a list of all
monitoring
servers; the OSDmap, in which all physical Object Storage Devices (OSDs) are found; and the Crush map. OSDs themselves contain the binary
18%
Create a high availability VM with DRBD9 and Reactor
07.10.2025
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2025
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Issue 89: Autom...
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is always a compromise, which is why Linstor lets you set up an arbiter node, also known as a quorum tiebreaker. It
monitors
both systems and is responsible for ensuring a quorum if the two cluster servers
18%
The PHP FastCGI process manager, PHP-FPM
31.10.2025
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Archive
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2012
»
Issue 12: NAS S...
»
. However, an interpreter process can (accidentally) overwrite or destroy the opcode cache. PHP-FPM therefore
monitors
the cache and restarts the process automatically if something seems to be going haywire
18%
Moving HPC to the cloud
31.10.2025
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2012
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Issue 11: Cloud...
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more cloud nodes from UniCloud; alternatively, UniCloud can
monitor
Univa Grid Engine and add/remove nodes as needed. UniCloud can burst from an internal cloud to an external public cloud or from one
18%
OpenStack workshop, part 1: Introduction to OpenStack
31.10.2025
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2012
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Issue 12: NAS S...
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to manage and
monitor
all of the OpenStack core services (Figure 5). Figure 5: In addition to the agents for Keystone and Glance, all other Open
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