[THIN] Re: RAMDISK

  • From: "Joe Shonk" <joe@xxxxxxxxxxxxxxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Sun, 15 Feb 2004 10:29:41 -0700

I'm not sure where you are getting that 4GB limitation.

Windows 2000 Server and Windows Server 2003 Standard supports 4GB Max.
Windows 2000 Advanced Server supports 8 GB Max
Windows Server 2003 Enterprise Edition supports 32 GB Max (x86 Based
Processors)  64GB Max for the DataCenter Edition. (again x86 bases)

HP has 2xway Xeon servers that support 16 GB of RAM, and 4xway Xeon servers
that support 32-64G of RAM.

Joe

-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Bernd Harzog
Sent: Sunday, February 15, 2004 7:29 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: RAMDISK

I would be very interested in knowing if anyone has been able to use a =
RamDisk in terminal server environment to any great effect. Here my =
concern. You have 4GB of addressable memory in Windows NT/2000/2003 when =
running on 32 bit chips. Let's say you have 4GB of RAM on a server, and =
an 8GB page file (12 GB of virtual memory). If you take 512MG of RAM and =
make a RAM disk, you may cause the OS to take 512MB of stuff that was in =
RAM in put it on the page file. In other words you are simply robbing =
Peter to pay Paul with no net gain.

If someone has results that are different than what I have outlined =
above, I would be very interested to hear about it

Best Regards,

Bernd Harzog
CEO
RTO Software, Inc.
bernd.harzog@xxxxxxxxxxx
678-455-5506 x701
www.rtosoft.com

 -----Original Message-----
From:   Alexander Danilychev [mailto:teknica@xxxxxxxxxxx]=20
Sent:   Sunday, February 15, 2004 12:06 AM
To:     thin@xxxxxxxxxxxxx
Subject:        [THIN] RAMDISK

Run into an interesting site regarding RAMDISK. There might be =
interesting=20
uses for Citrix related applications:=20
http://home.tiscali.be/ir006712/RAMDisk/RAMDisk.htm

Based on Microsoft RAMDisk sample (Q257405). Code for original "free"=20
version 1.0 is available here:
http://codeguru.earthweb.com/system/RAMDisk_src.zip

Free version or $10 for "extended" version 2.2.

Here is some info from the site:
"A RAMDisk acts as a virtual drive on your system. It allows you to =
create=20
directories, copy files to and from it, etc.... The data however is not=20
written onto a hard disk, but remains purely stored into a particular =
part=20
of your RAM memory. Hard disks have mechanical parts that allow to seek =
to a=20
particular position on the magnetic storage media and to read/write =
data.=20
This make them relative lazy. A RAMDisk can read and write the same data =
to=20
upon 30-60 times faster than a hard disk ! However, the data stored in =
your=20
RAM is "volatile" : it disappears when you cut off the power to the RAM=20
memory, with other words, if you turn off your system. This applies to =
the=20
content of the RAMDisk too !"

ALEX

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Optimize your Internet experience to the max with the new MSN Premium=20
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--> vc-iMapper - Drive, Printer & COM Management & Reporting 
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