Re: [Dspace-tech] High Availability DSpace

2009-04-20 Thread Van Ly
[ (I also have some ideas related to Amazon's EC2 service ] There is an interesting SFPUG: PostgreSQL In the Cloud presentation at http://www.vimeo.com/4144396 -- Van Ly -- Stay on top

Re: [Dspace-tech] High Availability DSpace

2009-04-20 Thread Kim Shepherd
, 21 April 2009 12:35 p.m. To: Van Ly; dspace-tech@lists.sourceforge.net Subject: Re: [Dspace-tech] High Availability DSpace In theory, from reading the documentation in my limited experience, it allows the clustering of many real hardware elements to support a Virtual Datacenter/Virtual

Re: [Dspace-tech] High Availability DSpace

2009-04-20 Thread Kim Shepherd
p.m. To: Van Ly; dspace-tech@lists.sourceforge.net Subject: Re: [Dspace-tech] High Availability DSpace In theory, from reading the documentation in my limited experience, it allows the clustering of many real hardware elements to support a Virtual Datacenter/Virtual Infrastructure

Re: [Dspace-tech] High Availability DSpace

2009-04-20 Thread John Preston
> > In theory, from reading the documentation in my limited experience, it > allows the clustering of many real hardware elements to support a Virtual > Datacenter/Virtual Infrastructure. > > In practice, 1 of 6 in a VMware cluster had a memory problem; we vmotioned > the DSpace to another in the

Re: [Dspace-tech] High Availability DSpace

2009-04-20 Thread Van Ly
. You can use linuxha or similar for high availability. -- Van Ly From: John Preston [mailto:byhisde...@gmail.com] Sent: Tue 4/21/2009 12:39 AM To: Van Ly; dspace-tech@lists.sourceforge.net Subject: Re: [Dspace-tech] High Availability DSpace There is also

Re: [Dspace-tech] High Availability DSpace

2009-04-20 Thread John Preston
ndle the issues related to keeping multiple DSpace instances in sync. John > > > -- Van Ly > -- > *From:* Robin Taylor [mailto:robin.tay...@ed.ac.uk] > *Sent:* Mon 4/20/2009 6:25 PM > *To:* John Preston; dspace-tech@lists.sourceforge.net > *Subjec

Re: [Dspace-tech] High Availability DSpace

2009-04-20 Thread Robin Taylor
- > From: John Preston [mailto:byhisde...@gmail.com] > Sent: 20 April 2009 00:16 > To: dspace-tech@lists.sourceforge.net > Subject: [Dspace-tech] High Availability DSpace > > I have to set up a DSpace instance and want to make it highly > avalable. Its not that the load is gonn

[Dspace-tech] High Availability DSpace

2009-04-19 Thread John Preston
I have to set up a DSpace instance and want to make it highly avalable. Its not that the load is gonna be that heavy to start with, but I want to have some redundancy such that if a machine goes bad, the system will still function while I look about changing it out. So I'm planning on using LVS on