| From: | "Sander Steffann" <s(dot)steffann(at)computel(dot)nl> |
|---|---|
| To: | "'Tom Lane'" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "'Mikko Partio'" <mpartio(at)gmail(dot)com> |
| Cc: | "'Douglas McNaught'" <doug(at)mcnaught(dot)org>, 'Devrim GÜNDÜZ' <devrim(at)commandprompt(dot)com>, "'pgsql-general'" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: PostgreSQL clustering (shared disk) |
| Date: | 2007-08-17 14:24:14 |
| Message-ID: | 002c01c7e0da$49e623a0$dc128953@kantoor.computel.nl |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
Hi,
> On the other side of the coin, I have little confidence in DRBD
> providing the storage semantics we need (in particular guaranteeing
> write ordering). So that path doesn't sound exactly risk-free either.
DRBD seems to enforce strict write ordering on both sides of the link
according to the docs. I didn't look at the code, but my plug-pulling tests
on a busy PostgreSQL server didn't cause any problems. No conclusive
evidence, but useful at lease in my use-case. (And yes: I make ps_dumps
often just in case)
- Sander
| From | Date | Subject | |
|---|---|---|---|
| Next Message | hubert depesz lubaczewski | 2007-08-17 14:24:39 | Re: Some frustrations with admin tasks on PGSQL database |
| Previous Message | Phoenix Kiula | 2007-08-17 14:22:55 | Re: Some frustrations with admin tasks on PGSQL database |