Search the CONFOCAL archive at
http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal
Doing it yourself sound nuts, Glen!
As many people have said, RAIDs are really valuable and the turnkey
systems work just fine ...
IAN
Glen MacDonald wrote:
>
> Search the CONFOCAL archive at
> http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal
>
> Hello All,
> A question for those of you utilizing RAID arrays. Are you using off
> the shelf software and components, such as LaCie RAID systems, or are
> you buying enclosures and drives, writing software in-house to build
> your own systems? Another group in our core built their own terabyte
> array and are encouraging us to do the same, but I'm leery of spending
> money on a programmer just to replicate turn-key systems.
>
> Thanks,
> Glen
>
> Patty Jansma wrote:
> >
> > Search the CONFOCAL archive at
> > http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal
> >
> > Hi, all,
> >
> > We have also just switched to an RAID system for our multi-user facility.
> > It is a great addition to the use of removable hard drives and CD's.
> >
> > Patty Jansma
> > ARL Division of Neurobiology
> > University of AZ
> > Tucson, AZ
> > At 06:51 PM 10/24/02 +1000, Stephen Cody wrote:
> > >Search the CONFOCAL archive at
> > >http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal
> > >
> > >G'day Martin,
> > >
> > >I'm happy to say that we are spoilt at our institute and have a large
> > >RAID at our disposal (Redundant Array of Inexpensive Disks).
> > >
> > >This is an equipment rack with rows and rows of standard hardisks. It
> > >has two independent power supplies, and backs up data automatically on
> > >other hard drives within the unit. As harddisks become larger and
> > >cheaper, slightly smaller disks than the largest currently available can
> > >be added at little cost! Bottomless disk storage they suggest! And it
> > >seems to work very well in the time we've had it (I think about three
> > >years). The whole institute (180 people) use the raid for everything,
> > >including all digital images. I have generated 1 gig data sets (4D
> > >confocal) and just save it to the network. After three years I've never
> > >been asked to move my data or any of our microscope users data to
> > >another storage device. They just buy more cheap and bigger disk, and
> > >remove some of the older smaller ones. As every bit of data is on two
> > >separate disks, a disk can be removed at any time and replaced with a
> > >larger one.
> > >
> > >It certainly is a labour saving alternative (labour saving for me
> > >anyway). Despite every single bit of data being backed up on a separate
> > >hard disk within the RAID, every night data backups are conducted to
> > >tape. In addition most users eventually write their own CD's as well for
> > >convenience.
> > >
> > >I suppose this sort of unit suits an institute such as ours where there
> > >is a large number of people and the investment in the infrastructure is
> > >cost effective. But well networked universities would also benefit.
> > >
> > >I'm also a bit worried by the differing DVD data storage formats. I wish
> > >they'd get their act together.
> > >
> > >Stephen H. Cody,
> > >
> > >Microscopy Manager,
> > >Ludwig Institute for Cancer Research,
> > >Post Office Royal Melbourne Hospital,
> > >Parkville, Victoria 3050, Australia.
> > >
> > >Tel: +61 3 9341 3155 (BH)
> > > +61 3 9341 3158 (@work AH)
> > >Fax: +61 3 9341 3104
> > >email: [log in to unmask]
> > >http://www.ludwig.edu.au/labs/confocal.html
> > >
> > >
> > >-----Original Message-----
> > >From: Martin Wessendorf [mailto:[log in to unmask]]
> > >Sent: Thursday, 24 October 2002 12:29 AM
> > >To: [log in to unmask]
> > >Subject: Re: DVD data storage
> > >
> > >Search the CONFOCAL archive at
> > >http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal
> > >
> > >Is anyone out there using large networked RAID arrays for data storage?
> > >If so, what do you see as their advantages and disadvantages? From what
> > >little I know, it sounds as if the data is backed up and (given the
> > >right networking) is accessible to any OS that can hook onto the net. I
> > >think the cost per gigabyte is probably higher--$8/GB is what sticks in
> > >my mind--but reliability should be excellent.
> > >
> > >Anyone out there whose actually tried it??
> > >
> > >Thanks!
> > >
> > >Martin Wessendorf
> > >--
> > >Martin Wessendorf, Ph.D. office: (612) 626 0145
> > >Assoc Prof, Dept Neuroscience lab: (612) 624 2991
> > >University of Minnesota Preferred FAX: (612) 624 8118
> > >6-145 Jackson Hall, 321 Church St. SE Dept FAX: (612) 626 5009
> > >Minneapolis, MN 55455 e-mail: [log in to unmask]
>
> --
> Glen MacDonald
> Microscopy and Imaging Facility
> University of Washington Core for Communication Research
> Virginia Merrill Bloedel Hearing Research Center
> Box 357923
> University of Washington
> Seattle, WA 98195-7923
> [log in to unmask]
> (206) 616-4156 (206) 616-1828 fax
> **************************************************************************
> C:>The box said "Requires Windows95 or better". So I bought a Macintosh.
> **************************************************************************
--
Professor Ian Gibbins
Anatomy & Histology
Flinders University of South Australia
GPO Box 2100, Adelaide, SA 5001
Australia
Phone: +61-8-8204 5271
FAX: +61-8-8277 0085
Email: [log in to unmask]
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