Skip site navigation (1) Skip section navigation (2)

Re: Postgres over Linux NBD or NFS

From: Andrew Rawnsley <ronz(at)ravensfield(dot)com>
To: Andrew Hammond <ahammond(at)ca(dot)afilias(dot)info>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Postgres over Linux NBD or NFS
Date: 2004-06-22 02:46:41
Message-ID: 644E3D69-C3F6-11D8-8816-000393A47FCC@ravensfield.com (view raw or flat)
Thread:
Lists: pgsql-performance
On Jun 21, 2004, at 2:02 PM, Andrew Hammond wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> We're looking for an alternative to fiber-channel disk arrays for mass
> storage. One of the ideas that we're exploring would involve having the
> cluster on an NFS mounted filesystem. Another technology we're looking
> at is the Linux NBD (Network Block Device).
>

No idea about NBDs, but its generally accepted that running over NFS 
would significantly
decrease reliability and performance, i.e. it would be a Bad Move (tm). 
Not sure what you
think to gain. I sure wouldn't trust NFS with a production database.

What exactly are you trying to gain, avoid, or do?

> Has anyone had any experience with running postgres over either of 
> these
> technologies? What issues do we need to know about / pay attention to?
>
> - --
> Andrew Hammond    416-673-4138    ahammond(at)ca(dot)afilias(dot)info
> Database Administrator, Afilias Canada Corp.
> CB83 2838 4B67 D40F D086 3568 81FC E7E5 27AF 4A9A
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.2.4 (GNU/Linux)
> Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org
>
> iD8DBQFA1yK6gfzn5SevSpoRAtYAAKCrghfAKV5kVuiTd/2TOwEbr4Q7hACgr3rT
> mEvFi8AOHX9I43T45fH1e0U=
> =1Cs9
> -----END PGP SIGNATURE-----
> <ahammond.vcf>
> ---------------------------(end of 
> broadcast)---------------------------
> TIP 2: you can get off all lists at once with the unregister command
>     (send "unregister YourEmailAddressHere" to 
> majordomo(at)postgresql(dot)org)
>
--------------------

Andrew Rawnsley
President
The Ravensfield Digital Resource Group, Ltd.
(740) 587-0114
www.ravensfield.com


In response to

Responses

pgsql-performance by date

Next:From: Scott MarloweDate: 2004-06-22 03:46:45
Subject: Re: Postgres over Linux NBD or NFS
Previous:From: Tom LaneDate: 2004-06-22 01:33:01
Subject: Re: Postgres over Linux NBD or NFS

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group