[Bug 1374166] Re: Document how to add swap space on Azure resource disk

[trialotto]

@Daniel,

The documentation looks great.

However, can you add the following (important) remarks to the
documentation page:

a) as from cloud-init 0.7.6, the option exists to create swap by means
of the swap stanza

b) in good practice, swap partitions should be at the start of the disk
(and a function of the size of memory available)

Also note that your documentation is very suitable, if adapted slightly,
for general documentation about creating partitions.

As a personal (and internal) note, the following:

- the new swap stanza (in newer versions of cloud-init) are
automatically determined with some code logic, this should also be
applied to swap partitions (and that is possible, since the settings are
only applied on provisiniong or a restart of the VM),

-  in general, cloud-init should be able to detect existing swap files
and/or swap partitions and leaving them as is, when restarting a VM
(instead of creating them again, as happens at this moment, with swap
files and swap partitions). In essence, a restart (a shut-down and
start-up sequence) should not be required to CHANGE swap space.

Can you react on the above personal notes?

Kind regards.....

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https://bugs.launchpad.net/bugs/1374166

Title:
  Document how to add swap space on Azure resource disk

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