Re: DATA Location

On 2010-12-28, Ozz Nixon <ozznixon@gmail.com> wrote:
> Is it possible (and how) to implement a data path on another partition (linux) for an existing system? And then if I
donot gain anything, merging it to the production /data path? 

tablespaces

> Scenario of what I want to achieve (/mnt/data is already running)
>
>     /mnt/data    resides on an NFS share
>                 Contains over 2 Billion web sites crawled (yeah another search-engine site)

using postgres on nfs is not recommended,

> want to add:
>
>     /opt/data        resides on internal drive
>                 Will contain keyword hash system

local is good.

> Then if I find this does not improve anything - or runs tight
>(running on IBM Blade center with 76gb internals - so I may be
>limited), that I can simple shutdown postgres, scp /opt/data/folder/
>to the NFS - bring up postgres - fix any conf file, and everything is
>on the multi-terabyte array?

or leave postgres running and just copy the table using "select * into"
or similar.

it's possibly better to use iSCSI instead of NFS, it's not like you can share the data
directory.

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