Re: Anyone have any HSZ to HSG upgrade stories?

From: Island Computers USA (dbturner_at_islandco.com.nospam)
Date: 07/21/04 

Date: Wed, 21 Jul 2004 09:23:31 -0400

If you are thinking of going fiber then you should entertain the entry level
MSA1000

We have them in stock

Fully configured (dual controllers but only run in 1x active 1 x standby
mode) with 14 x 146GB Disks, dual 512MB Cache controllers
dual SAN switch and Tru64 version of firmware you still get change out of
$40,000
That includes the 2Gbit controllers (2 of them too!)

Regards 

-- 
David B Turner
Island Computers US Corporation
2700 Gregory St., Suite 180
Savannah GA 31404
DIRECT#: 912 232 1729
Tel: 912 447 6622
Fax: 912 201 0402
Email: dbturner@hpaq.net
http://www.hpaq.net
"Peter 'EPLAN' LANGSTOEGER" <peter@langstoeger.at> wrote in message
news:newscache$84z61i$jcp$1@news.sil.at...
> In article <b3531425.0407201219.6c01ba36@posting.google.com>,
twnews@kittles.com (Thomas Wirt) writes:
> >I have 2 AlphaServer 4100 with 5GB mem. and 2 300 MHz CPUs.  My main
> >disk space is on a pair of HSZ70 controllers.  We have plenty of CPU
> >and memory available all of the time, but we clearly seem IO bound
> >bound at many busy points during each day.  I may need to increase my
> >total computing capacity by about 40%.  I am entertaining the idea of
> >adding an HSG80 cabinet (everything redundant) to increase our IO
> >throughput.  My question is, has anyone upgraded similar (remotely)
> >hardware from HSZ SCSI based to HSZ SAN based?  I do not want to do
> >this only to find out that my AS4100 can not keep up with my HSG80.  I
> >understand that the AS 4100 may become the bottleneck (CPU wise or
> >even IO wise), but I need to know that in some IO bound scenarios
> >adding an HSG80 could give me a significant performance boost.
>
> I do not have experiences with HSZ. I do however read here, that the
> HSG is not that fast as V7.3-2 (and as written even V7.3-1) could be, and
> VMS can (and obviously have) overrun its firmware with I/Os (but it was
> a earlier ACS firmware version, I don't know if a newer version already
> fixed this problem, check the HSG firmware release notes yourself).
>
>
http://groups.google.com/groups?threadm=5a85bce2.0309120734.7b37cbdf%40posting.google.com
> http://www.compaq.com/products/storageworks/softwaredrivers/acs/
>
> A HSV110/EVA5000 is about twice as fast as a HSG80, has virtual storage
(and
> seems problematic). It may be a overkill for you, cause it's new &
expensive.
>
> HSG80 are quite cheap now (but not by HPQ). You may buy a ESA8000/ESA12000
> (with a HSG80-A) or even a EMA8000/EMA12000 (with a HSG80-B) at an auction
> on EBAY and try it yourself. And if it's worth, you may ask HPQ for
support
> (or another HSG80)...
>
> eg. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5702610251
>
>
> You may however try also an MSA1000 (but then again, could be a overkill)
>
> eg. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5710683452
>
> -Peter
>
> PS: 1GBit/s FC Controller are also cheaper now as 2GBit/s are current.
> eg. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5704904293
> -- 
> Peter "EPLAN" LANGSTOEGER
> Network and OpenVMS system specialist
> E-mail  peter@langstoeger.at
> A-1030 VIENNA  AUSTRIA              I'm not a pessimist, I'm a realist

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