On 21/02/07, guy keren <[EMAIL PROTECTED]> wrote:

what? what???? a mirror is as _slow_ as the _slower_ disk. an I/O
request to the mirror, gets a response only after its clones were
written into both legs of the mirror - not as soon as one was written.


Yes I see it now (after some more digging about RAID 1).

Looks like PostgresQL.org comes to the rescue again and explains:
http://www.postgresql.org/docs/8.2/interactive/continuous-archiving.html

So it looks like it should be a simple matter to configure this setup to
archive WAL from the RAM disk to more permanent storage.

Cheers,

--Amos

Reply via email to