February 2017
Intermediate to advanced
536 pages
28h 47m
English
Content preview from PostgreSQL High Availability Cookbook - Second Edition
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How it works...
Before we can use LVM safely, we should create at least one partition on the raw device. For this, we use parted, a more advanced partition editor than fdisk. We need parted because it can set the partition table type as GPT, which allows filesystems greater than 2 TB. This is what the first invocation of parted does, with the mklabel parameter set to gpt.
To create the partition itself, we call parted with the mkpart parameter. By using mkpart, we also need to specify the type of partition we want, and its starting and ending positions. We keep things simple by starting at the beginning of the device and using 100% of the available storage.
Finally, we set the LVM flag to true by invoking parted with the set parameter. The ...
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