[ClusterLabs] Antw: Resource creation information
Ulrich.Windl at rz.uni-regensburg.de
Wed Mar 13 02:59:15 EDT 2019
On "2." (provider): I think "heartbeat" is purely historical, and (as you
might have found out, the provider is mostly a subdirectory in the tree where
RAs are located) for compatibility nobody dared or cared to change. Personally
I'm using my own provider (consisting of a four-letter-hash of my E_Mail
address) to avoid namespace conflicts, and clearly showing where my own local
RAs are used.
It's not a big problem to change the provider later. And I'm implementing the
only standard wher RAs can provide documentation, that is: OCF.
>>> "Full Name" <nuncestbibendum at excite.com> schrieb am 12.03.2019 um 22:30
Nachricht <20190312173021.29255 at web002.roc2.bluetie.com>:
> When adding a resource (with, say, "pcs create") one is supposed to supply
> (among other things) the following:
> 1. Standard: The standard that the resource agent is assumed to comply
> 2. Provider: A standard‑dependent piece of information that indicates
> where the resource agent script is to be found.
> 3. Type: The name of the script that embodies the resource agent.
> Checking out examples I have seen online, I know about the OCF standard and
> the heartbeat provider. However, I don't know what standards are supported
> Pacemaker, what the providers are for each standard, and what types of
> resource agents are delivered with Pacemaker. The pcs utility can print out
> list of all the resource agents it knows about, and you can get it to list
> those for a given standard. But, I don't know how to get a list of
> or documentation for them ‑ which pcs does not provide anyway.
> Are the different standards documented somewhere, with a (documented) list
> of providers that each contemplates, and types for each of them?
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