Not in 64 bit mode that I* am aware of, except of course that it's on a
z/box. I"m not involved heavily in the VM side of things, but we're NOT
running 64 bit linux if that is any indicator. If you have 3 GB available,
presuming that VM is running in 64 bit mode (I would have to think that our
very experienced z/os people would realized that anything over 2 GB in 31
bit mode is 'lost') what would people say should be the allocation? We're
trying to get as much real storage as possible, and frankly, I don't think
we have a real good idea of what to do with expanded storage in vm as it
relates to linux. We don't have ANY defined to the 2 GB lpar on the z/800
at the moment because the recommendation from IBM to make some memory
expanded stor for VM came after we did our last config.
If we're in 31 bit mode on z/VM we should do 2 real and 1 expanded? We
change the config on the 23rd of this month, so I want to get it right. The
next time we can change the config is july 18th but the POC will be over by
then.
Phil Tully
<[EMAIL PROTECTED]
ET.ML.COM> To
Sent by: Linux on [EMAIL PROTECTED]
390 Port cc
<[EMAIL PROTECTED]
IST.EDU> Subject
Re: Hipersockets..... a couple of
questions
05/18/2004 11:58
AM
Please respond to
Linux on 390 Port
<[EMAIL PROTECTED]
IST.EDU>
Since you have more than 2G real storage you must be in 64bit mode, I was
wondering why so much more expaned than real?
Phil
On Tuesday 18 May 2004 15:13, you wrote:
We're continuing in our pilot, and as of the 23rd, we're going onto the
z900 with 2 IFL's and 3 Gigs of ram for the VM environment. (2.5 real,
.5
expanded) and we'll be setting up hipersockets
One thign we noticed when we moved fromhaving WAS used the DB2 Connect
Client talking to DB2 connect EE in another LPAR that in turn was talking
to DB2 on Z/os, to a WAS/DB2 on the guest talking to DB2 on z/os was a
300%
increase in response time just doing THAT alone.
One big area that we still see latency is RACF/LDAP authentication across
the network.
Can hipersockets be used to make RACF/LDAP calls also? We are going to be
configuring z/900 to use hipersockets on z/linux and z/os... I'm just not
sure on what limitations there are on what communications we can send
over
them.
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