On Thu, 7 Jul 2016, 9:59 a.m. John R Pierce, <pie...@hogranch.com> wrote:
> On 7/6/2016 6:52 PM, Sameer Kumar wrote: > > >> the only way to archive the wal_files from a slave into another slave on >> PostgreSQL 9.2, is by using pg_reveivexlog? >> > > Yes. Though I have never tried this myself but going by the theory, it > should work. > > > a slave doesn't generate wal_files at all. > > if your master is keeping a wal_archive, slaves, including cascaded > streaming slaves, can all use that same archive as their wal source, these > are only used for catchup when streaming is interrupted. > But the slave can send wal to a wal_receiver and I think pg_receivexlog will be nothing less than a wal_receiver. I will hold back from any further comments unless I have tried it. But a good question here is, why do you want to do that? Why Archive from standby to cascaded standby? If it is only to catchup, the archives from master are good enough > > > > > > -- > john r pierce, recycling bits in santa cruz > > -- -- Best Regards Sameer Kumar | DB Solution Architect *ASHNIK PTE. LTD.* 101 Cecil Street, #11-11 Tong Eng Building, Singapore 069 533 T: +65 6438 3504 | M: +65 8110 0350 | www.ashnik.com
