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 to do it...
Perform these steps only on pg1 as the root user:
- Register /dev/drbd0 as an LVM physical device using this command:
pvcreate /dev/drbd0
- Create a single volume group to contain /dev/drbd0 using this command:
vgcreate VG_POSTGRES /dev/drbd0
- Create a single logical volume as 95% of the outer volume group using this command:
lvcreate -n LV_DATA -l 95%VG VG_POSTGRES
- Verify that the new volume exists and is available using this command:
vgdisplay VG_POSTGRES | grep Size
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