"stable storage"

I know we talk about durability a lot, but it seems we mention "stable
storage" much more often than "durable storage" in our docs:

$ grep 'stable storage' *.sgml
config.sgml: necessarily reached stable storage on the standby.
monitoring.sgml: stable storage.</entry>
monitoring.sgml: to reach stable storage.</entry>
monitoring.sgml: <entry>Waiting for a relation data file to reach stable storage.</entry>
monitoring.sgml: stable storage.</entry>
monitoring.sgml: <entry>Waiting for changes to a relation data file to reach stable storage.</entry>
monitoring.sgml: <entry>Waiting for data to reach stable storage while adding a line to the
monitoring.sgml: <entry>Waiting for data to reach stable storage while creating the data
monitoring.sgml: <entry>Waiting for logical rewrite mappings to reach stable storage
monitoring.sgml: <entry>Waiting for mapping data to reach stable storage during a logical
monitoring.sgml: <entry>Waiting for the relation map file to reach stable storage.</entry>
monitoring.sgml: <entry>Waiting for a replication slot control file to reach stable storage
monitoring.sgml: <entry>Waiting for SLRU data to reach stable storage during a checkpoint
monitoring.sgml: <entry>Waiting for SLRU data to reach stable storage following a page
monitoring.sgml: stable storage.</entry>
monitoring.sgml: replication to reach stable storage.</entry>
monitoring.sgml: <entry>Waiting for a two phase state file to reach stable storage.</entry>
monitoring.sgml: <entry>Waiting for WAL to reach stable storage during
monitoring.sgml: reach stable storage.</entry>
monitoring.sgml: <entry>Waiting for a WAL file to reach stable storage.</entry>
monitoring.sgml: <entry>Waiting for data to reach stable storage while assigning a new

$ grep 'durable storage' *.sgml
config.sgml: kernel to durable storage. This can be done while the cluster
func.sgml: location known to be written to durable storage. The write location is the

Is "stable storage" the same as "durable storage"? Should we rename
"stable storage" mentions to "durable storage"?

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EnterpriseDB https://enterprisedb.com

The usefulness of a cup is in its emptiness, Bruce Lee