pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  

help / color / mirror / Atom feed
From: Luke Lonergan <llonergan@greenplum.com>
To: Alex Turner <armtuk@gmail.com>
Cc: Bucky Jordan <bjordan@lumeta.com>
Cc: Merlin Moncure <mmoncure@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Large tables (was: RAID 0 not as fast as
Date: Mon, 18 Sep 2006 20:42:39 -0700
Message-ID: <C134B53F.31732%llonergan@greenplum.com> (raw)
In-Reply-To: <33c6269f0609182040m28ac1e0ei34f617957ac3227a@mail.gmail.com>

Yep, Solaris ZFS kicks butt.  It does RAID10/5/6, etc and implements most of
the high end features available on high end SANs...

- Luke


On 9/18/06 8:40 PM, "Alex Turner" <armtuk@gmail.com> wrote:

> Sweet - thats good - RAID 10 support seems like an odd thing to leave out.
> 
> Alex
> 
> On 9/18/06, Luke Lonergan < llonergan@greenplum.com
> <mailto:llonergan@greenplum.com> > wrote:
>> Alex,
>> 
>> On 9/18/06 4:14 PM, "Alex Turner" < armtuk@gmail.com> wrote:
>> 
>>> Be warned, the tech specs page:
>>> http://www.sun.com/servers/x64/x4500/specs.xml#anchor3
>>> <http://www.sun.com/servers/x64/x4500/specs.xml#anchor3;
>>> doesn't mention RAID 10 as a possible, and this is probably what most would
>>> recommend for fast data access if you are doing both read and write
>>> operations.  If you are doing mostly Read, then RAID 5 is passable, but it's
>>> redundancy with large numbers of drives is not so great.
>> 
>> RAID10 works great on the X4500 ­ we get 1.6GB/s + per X4500 using RAID10 in
>> ZFS.  We worked with the Sun Solaris kernel team to make that happen and the
>> patches are part of Solaris 10 Update 3 due out in November.
>> 
>> - Luke
>> 
>> 
> 
> 






view thread (24+ messages)  latest in thread

Message-ID: <C134B53F.31732%llonergan@greenplum.com>
Permalink:  ../C134B53F.31732%25llonergan@greenplum.com/
Also on:    postgresql.org/message-id/C134B53F.31732%llonergan@greenplum.com

 · 

reply
Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: llonergan@greenplum.com, armtuk@gmail.com, bjordan@lumeta.com, mmoncure@gmail.com
  Subject: Re: Large tables (was: RAID 0 not as fast as
  In-Reply-To: <C134B53F.31732%llonergan@greenplum.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox