This is an original planning guide. It is not a vendor manual, an official standard, or legal advice. Example addresses use documentation ranges. Review every command before you paste it.
What this hour is for
A desktop pool is a count of users, a memory size, and a concurrency guess. The calculator uses numbers you type. It does not connect to a broker and it does not create desktops.
Label the concurrency as measured or guessed. Do not buy hardware from one sample. The image and the profile store are later tickets. Do not build the pool during the reading.
The users are people you support, not a list you scraped.
The change you can finish
Apply nothing while you are writing the note. When the lab window opens, it is one change on the host named in the ticket. Read the draft, then the host, then decide.
Rollback is the file, the package version, or the snapshot you saved first. You do not invent a rollback after the only copy is gone.
- Write user count and memory.
- Label concurrency.
- Read the total.
- Do not create desktops.
- Do not order hardware from this page alone.
- Stop.
Mistakes that outlive the command
VDI Sizing Guide goes wrong in a small set of ways. The list is here so the ticket can forbid them before the window.
- A pool created during the reading.
- A guess treated as a measurement.
- Hardware ordered from one sample.
- A user list you do not support.
Decisions to write down
One decision for VDI Sizing Guide: The numbers are yours. Concurrency is labeled. Nothing was built. No order was placed from the page alone. And the users are yours to support.
Checks before you call it done
Confirm this before you call the change done: User count is written. Memory is written. Concurrency is labeled. Nothing was built. And no order was placed. If one of those fails, stop.
# Arithmetic from numbers you type.
# Do not build the pool during the reading.
# Do not order hardware from one sample.Before you leave the host
VDI Sizing Guide ends when the hostname in the prompt matches the hostname in the ticket. If it does not, you are on the wrong host. Stop. A command that succeeded on the wrong host is not progress.
The draft stays a draft until a person has read the names in it. A generator does not log into the host and does not know which disk is empty. You delete a line that names a host, a path, or an account you did not write down.
192.0.2.10/24, gateway 192.0.2.1, 198.51.100.0/24, 203.0.113.0/24, and 2001:db8::/32 are documentation. example.com is a documentation name. They belong in the note. They are not values you leave on a host because a draft included them.
prompt-for-this is a reminder that a secret is missing. It is not a password, a key, or a token you save in the ticket or in git. The real secret stays in the password store.
One change is the window. If two things move and the result is wrong, you will not know which one did it. The next change waits for its own page.
If the same step fails twice, stop for the day. The failure is the result. Adding a forum command beside a half-applied change produces a host nobody can rebuild. Restore the copy you took first.
A second person reads the hostname and the change aloud. If they cannot find them in the ticket, the note is not done. Silence is not agreement. Then leave the host alone.
This page is a planning guide. It is not a vendor manual, not an official standard, and not permission to touch a host you do not administer. You do not disable a firewall, AppArmor, or SELinux to make a check pass.
Tools for this guide
These tools run in the browser on this site. They do not log into your machines.
Related pillar guides
More in this cluster
The pillar for this page, and the next published pages filed with it.