February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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How it works...
This time, our job was much easier than considering motherboard constraints, as the drives themselves determine most of our decisions.
Hot-swappable hard drives are slightly larger than their standard brethren due to the swap enclosure. Yet cases exist than can hold up to 24 hot-swappable drives across the front. If we need that many storage devices, we save space by taking advantage of cases that can accommodate them. We also need to remember to reserve two drives for the operating system in a RAID-1, separate from our PostgreSQL storage. We can't diagnose problems on a server that is unable to boot.
Some cases reserve mounts inside, or at the rear, for operating system drives. They are harder to replace, but free more room ...
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