| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Brian Ghidinelli <brian(at)pukkasoft(dot)com> |
| Cc: | SF Postgres <sfpug(at)postgresql(dot)org> |
| Subject: | Re: Postgres on filer via NFS |
| Date: | 2009-03-25 18:18:56 |
| Message-ID: | 49CA7590.7020204@agliodbs.com |
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| Lists: | sfpug |
Brian,
See blog discussion. NFS is just like iSCSI, only worse.
http://it.toolbox.com/blogs/database-soup/the-problem-with-iscsi-30602
If you *do* to this because management is more important than
performance, then budget for $2k or so worth of tuning & troubleshooting
services, or make sure that that's included by NetApp. You'll also need
NetApp's proprietary NFS tech to make it work at all.
Also note that lag time isn't such a problem for data warehousing as it
is for OLTP. And the bandwidth issues are solvable by using 10gE, but
that significantly increases the cost of your solution.
--Josh
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