March 2019
Intermediate to advanced
356 pages
10h 7m
English
Content preview from Mastering Ceph - Second Edition
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Enterprise – write-intensive
Write-intensive SSDs are the most expensive type. They will often offer write endurances up to and over 10 DWPD. They should be used for pure SSD OSDs if very heavy write workloads are planned. If your cluster is still using the deprecated filestore object store, then high write endurance SSDs are also recommended for the journals.
For any new deployments of Ceph, BlueStore is the recommended default object store. The following information only relates to clusters that are still running filestore. Details of how filestore works and why it has been replaced is covered later in Chapter 3, BlueStore.
To understand the importance of choosing the right SSD when running filestore, we must understand that because of ...
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