[OpenIndiana-discuss] OI-based PACS DICOM server

Roel_D openindiana at out-side.nl
Fri Sep 7 21:46:37 UTC 2012

It is fun to see that after years of faster, bigger, costlier we now can run
a professional NAS solution on 500,- euro's of hardware.
The HP microserver is a perfect platform for Openindiana. 
One could buy 8 microservers instead of 1 big server. 
Gives you a complete other point of view on Single point of failure. ;-) 

-----Original Message-----
From: Magnus [mailto:magnus at yonderway.com] 
Sent: vrijdag 7 september 2012 19:10
To: Discussion list for OpenIndiana
Subject: Re: [OpenIndiana-discuss] OI-based PACS DICOM server

On Aug 28, 2012, at 1:06 PM, Bryan N Iotti wrote:

> just thought you'd like to know that the Veterinary Sciences Faculty 
> of the University Of Torino, Italy, is now running an open source PACS 
> DICOM server based on OpenIndiana, administered by yours truly.

Outstanding! I've done this before, about 10 years ago for a network of
medical facilities in eastern North Carolina, and had just recently been
thinking about how much more appropriate Illumos would be for this task than
Linux (which is what I had used back then).

I've been out of the loop on radiology software developments over the last
decade, so I'm glad you included some of the details of your implementation.
Actually, I don't know if you maintain a blog, but I think it would make a
terribly interesting blog post for people in radiology circles to read

> Due to budget restrictions, my hardware choice was the HP Proliant 
> Microserver, with 8GB RAM and 2x250GB mirrored root disks, along with 
> 2x1TB mirrored 7200RPM SATA drives for the "tank" pool. All of these 
> disks run a weekly scrub and are SMART monitored. For now we rsync 
> backups of the data to a mirrored 2TB LaCie network disk (on the other 
> side of the building is the best I could do), but I'm not too happy 
> with that solution and would prefer something that is SMART capable. 
> The OS and zone have been dumped to USB media and are manually backed 
> up (no modifications are made to the system itself during normal 
> operation, we really only care about the patient data).

One of the major problems of running a PACS system, as you know, is the
insatiable appetite for more and more storage. I wonder if you may end up
having to install an eSATA controller and attach more disks when the
microserver gets full.

For backups, if you can get a hold of another low end machine with a lot of
disk to run Illumos on, you could send zfs snapshots to it over ssh. 

Your work here is directly applicable to the same technologies used for
humans. Actually, I've turned away a good bit of DICOM consulting work over
the years. There's a lot of demand for it, and few people who understand it
apparently. I think Illumos could find itself VERY comfortable at the heart
of a large institutional PACS system.

Nice work, and thanks for sharing it with us!

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