Virtual IP and Failover

I have two servers, one is the main and the other is on another site and is updated to keep it in sysnc with the first server.
We don't want any load balancing so that WAN traffic is kept to a minium. But if the first server fails we want users bowser session directed to the backup server on the remote site.
Can i do this with LocalDirector?

Presumably, even though these servers are at two different sites they are logically positioned in such a way that they could be load balanced (if you wanted to). If that is the case, then you could use the backup command to acheive your goal.
eg.
virtual 10.1.1.1
real 192.168.1.1
real 192.168.2.1
backup 192.168.1.1 192.168.2.1
bind 10.1.1.1 192.168.1.1
route 192.168.2.0 255.255.255.0 wan-router
This configuration will cause all traffic to be directed to your main server and in the event that server is not available, then the backup server will be used, thus the WAN link will only be used during a failure scenario.

Similar Messages

Failover clusterign... How similar do the primary and failover instance need to be in a failover cluster?

How similar do the primary and failover instance need to be in a failover cluster?
Does the number of database have to match, naming, general config etc...
Mr Shaw

In failover clustering, you use shared storage so the number of databases is irrelevant since only one node can see/access the shared storage at any given point in time. Ideally, the server configuration should be the same on all of the nodes to minimize
potential issues that may impact downtime. However, you need to consider licensing/# of CPU-cores and implementation cost, especially if you are only using the other nodes as standby. As far as licensing is concerned, the standby has to have the same or fewer
number of CPU-cores as the primary node to be covered by licensing. Besides, you don't want your standby node to be more powerful than your primary node. This is why the option to have a hybrid deployment of having a physical server as the primary node and
virtual machine for standby nodes is now supported.
Edwin Sarmiento SQL Server MVP | Microsoft Certified Master
Blog |
Twitter | LinkedIn
SQL Server High Availability and Disaster Recover Deep Dive Course

Load balancing and Failover

Hello,
We are wondering how load-balancing and failover of tpcall() work with
WTC:
The scenario:
We have one WLS Domain and two Tuxedo Domains. The Tuxedo Domains offer
the same set of services.
In the bdmconfig.xml, we specify connection_policy as 'ON_STARTUP' for
both Remote Tuxedo Domains. We also Import (T_DM_IMPORT) the same
Tuxedo Service from both Tuxedo Domains.
Questions:
1. Is there any load-balancing of the tpcall between the two Domains? If
so, is it round-robin? If round-robin, what determines the order?
2. If it is ONLY Failover, what determines the order of the tpcall? And,
is the Failover automatic? Or do we need to code for retry on failure?
3. ON_DEMAND vs ON_STARTUP: Does ON_DEMAND drop the connection to the
remote domain upon tpterm? And does ON_STARTUP use a pool of
TuxedoConnection objects?
4. Are there any configuration parameters for
'max_number-of_connections? What determines how many simultaneous
connections can be made?
Thanks,
Suresh Mohan.

Hi Suresh,
The following are my answers to your questions.
Suresh Mohan wrote:
Hello,
We are wondering how load-balancing and failover of tpcall() work with
WTC:
The scenario:
We have one WLS Domain and two Tuxedo Domains. The Tuxedo Domains offer
the same set of services.
In the bdmconfig.xml, we specify connection_policy as 'ON_STARTUP' for
both Remote Tuxedo Domains. We also Import (T_DM_IMPORT) the same
Tuxedo Service from both Tuxedo Domains.
Questions:
1. Is there any load-balancing of the tpcall between the two Domains? If
so, is it round-robin? If round-robin, what determines the order?Yes there is a load balancing between two remote Tuxedo TDomain Gateways.
The algorithm is random, not RR. Over time this should give equal
opportunities to both remote TDomain.
>
2. If it is ONLY Failover, what determines the order of the tpcall? And,
is the Failover automatic? Or do we need to code for retry on failure?The load balancing is always there. The failover is automatic. When a
connection to a remote TDomain encountered a problem (ie network) the remote
domain will be put on retry open connection (in ON_STARTUP) and the load
balancing will not select it until the connection re-established.
However, the tpcall() that encountered the error will not be retried to send
to different destination. It is up to the application to decide whether it
want to resend. Any requests called after the error will not select the
failed Remote TDomain.
>
3. ON_DEMAND vs ON_STARTUP: Does ON_DEMAND drop the connection to the
remote domain upon tpterm? And does ON_STARTUP use a pool of
TuxedoConnection objects?TPTERM() only terminate your application session to WTC. WTC still maintain
a secured T-session to remote Tuxedo TDomain. WTC does not use a pool of
TuxedoConnection Objects, the object stored in the JNDI refers to WTC.
>
4. Are there any configuration parameters for
'max_number-of_connections? What determines how many simultaneous
connections can be made?No. As described in #3, there is no need to use connection pool in WTC. WTC
uses session and virtual circuit design concept as Tuxedo TDOMAIN, the
logical pool is created/destroyed dynamically. That is the reason why you
can have a lot of TPACALL() outstanding at the same time. (The limitation is
the availability system resource.)
>
>
Thanks,
Suresh Mohan.Regards,
Hong-Hsi :-)

VIrtual host and reverse proxy FOR EBIZ R12.0.6

we have 4 dev EBIZ instances on a single hp_ux itanium server on which I have to setup one instance for virtual hosting and to work behind a reverse proxy .
any particular documents or steps for this.
Thanks
mn

we have 4 dev EBIZ instances on a single hp_ux itanium server on which I have to setup one instance for virtual hosting and to work behind a reverse proxy .
any particular documents or steps for this.Implementing Virtual Host, Concurrent Managers and EM DBconsole on Oracle Applications R12 [ID 603883.1]
Conc-System Node Name Not Registered After Fresh Install Using Virtual Name [ID 948644.1]
Is Auto Failover With Virtual Hostnames For Concurrent Processing Servers Supported In 11i Or R12? [ID 456540.1]
Case History: Implementing a Reverse Proxy Alone in a DMZ Configuration - R12 [ID 726953.1]
Oracle E-Business Suite R12 Configuration in a DMZ [ID 380490.1]
Thanks,
Hussein

RE: Hard Failures, KeepAlive, and Failover --Follow-up

Hi,
It's a really challenging question. However, what do you want to do after
the network crash? Failover or just stop the service? Should we assume
that when the network is down, and so do your name service?
One idea is to use externalconnection to "listen" to your external non-forte
alarm, so do "whatever" after you receive the alarm instead of letting the
"logical connection" to time out or hang.
Regards,
Peter Sham.
-----Original Message-----
From: Michael Lee [SMTP:[email protected]]
Sent: Wednesday, June 16, 1999 12:44 AM
To: [email protected]
Subject: Hard Failures, KeepAlive, and Failover -- Follow-up
I've gotten a handful of responses to my original post, and the suggested
solutions are all variations on the same theme -- periodically ping remote
nodes/partitions and then react when the node/partition goes down. In
other circumstance this would work, but unless I'm missing something this
solution doesn't solve the problem I'm running into.
Some background...
When a connection is set up between partitions on two different nodes,
Forte is effectively establishing two connections: a "physical
connection"
over TCP/IP between two ports and a "logical connection" between the two
partitions (running on top of the physical connection). Once a connection
is established between two partitions Forte assumes the logical connection
is valid until one of two things happen:
1) The logical connection is broken (by shutting down a partition from
Econsole/Escript, by killing a node manager, by terminating the ftexec,
etc.)
2) Forte detects that the physical connection is broken (via its KeepAlive
functionality).
If a physical connection is broken (via a cut cable or power-off
condition), and Forte has not yet detected the situation (via a KeepAlive
failure), the logical connection is still valid and Forte will still allow
method calls on the remote partition. In effect, Forte thinks the remote
partition is still up and running. In this situation, any method calls
made after the physical connection has been broken will simply hang. No
exceptions are generated and failover does not occur.
However, once a KeepAlive failure is detected all is made right.
Unfortunately, the lowest-bound latency of KeepAlive is greater than one
second, and we need to detect and react to hard failures in the 250-500ms
range. Using technology outside of Forte we are able to detect the hard
failures within the required times, but we haven't been able to get Forte
to react to this "outside" knowledge. Here's why:
Since Forte has not yet detected a KeepAlive failure, the logical
connection to the remote partition is still "valid". Although there are a
number of mechanisms that would allow a logical connection to be broken,
they all assume a valid physical connection -- which, of course, we don't
have!
It appears I'm in a "Catch-22" situation: In order to break a logical
connection between partitions, I need a valid physical connection. But
the
reason I'm trying to break the logical connection in the first place is
that I know (but Forte doesn't yet know) that the physical connection has
been broken.
If anyone knows a way around this Catch-22, please let me know.
Mike
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Make sure you chose the right format, and as far as partitioning in concerned, you have to select at least one partition, which will be the entire drive.

How to delete Ubuntu virtual desktop and free up allocated space in windows 8?

I have tried out Hyper-V for the first time to install Ubuntu desktop. During the installation process, 10GB of space is allocated. I believe this space would have been created as a separate partition and formatted
to linux file system. Please correct me if I am wrong.
Now I would like to remove the Ubuntu virtual desktop and free up the allocated space. I have deleted the desktop from the Hyper-V manager. Is this sufficient to free up the space?
Disk partition tool shows following partitions
Volume
Layout
Type
FS
Status
Capacity
Free
Volume (C;) Simple
Basic NTFS
Healthy(Boot, Page File ...) 218GB
8GB
Volume <nolabel> Simple
Basic Healthy(Recovery Partition)
450MB 450MB
Volume <nolabel>
Simple
Basic
Healthy(Recovery
Partition)
350MB
350MB
Volume <nolabel>
Simple
Basic
Healthy(Recovery
Partition)
10.5GB
10.5GB
Volume <nolabel>
Simple
Basic
Healthy(EFI
System Partition)
260MB
260MB
Volume <nolabel>
Simple
Basic
Healthy(Primary
Partition)
8GB
8GB
I am not sure of the unnamed, unused volume. Hence I listed all.
However Diskpart tool in command prompt does not show the last one [ 8gb]. Does this mean if this was allocated
to Virtual desktop? Please help

You must delete the VHDx that you created when you created the VM.
This is the virtual disk that Ubuntu was installed into - you will not see this as a volume, you will see this as a VHDx file.
Brian Ehlert
http://ITProctology.blogspot.com
Learn. Apply. Repeat.

Problem with Virtual PC and Network Connection - VPC gets disconnected

Hi,
I've been having a few problems with a virtual computer and its network connection. I've set up a few computers the same way over the years and they all work fine except this one. We use the Virtual PC and XP mode to access our data from an older
program. The databases are on a server, which are accessed as a mapped drive. Every once in a while (with no particular pattern, sometimes it doesn't happen all day, sometimes it happens every 5 mins), the VPC gets disconnected from the network,
my program returns a file read error and then everything is frozen. When I try to ipconfig/release and renew, it releases correctly then it won't renew. I need to shut down the VPC from the Win7 task manager and even so, it doesn't shut it down,
even when I try to kill the vpc process. The only way it'll come back up is if I restart the computer. The network connection on the Win7 computer doesn't do that.
Is there anything I can do to fix this ?
Thanks,
Melanie

Hi,
Does it become more stable now, actually, I'm afraid that this issue is not related with the drive letter or name. Since you're using bridge mode, the I would suggest you use NAT as a test, it is the default network configuration, which allows the VM
to leverage the external TCP/IP network connected to the host. This is very useful if you regularly move the host computer between different network configurations. NAT is the preferred networking option when there is a shortage of IP addresses, a need to
ensure the VM’s IP address is not targetable from an external network, or a need for connecting using WWAN.
Yolanda Zhu
TechNet Community Support

How to find out the primary and failover DNS name

Hi;
This sounds very stupid, but could some one please tell me how to find out the name/dns name of the primary and failover server without using the CDS console.
any help is appreciated

Is this what you want?
$ /usr/lib/ldap/ldap_cachemgr -g
cachemgr configuration:
server debug level 0
server log file "/var/ldap/cachemgr.log"
number of calls to ldapcachemgr 12729
cachemgr cache data statistics:
Configuration refresh information:
Previous refresh time: 2005/08/07 23:54:59
Next refresh time: 2005/08/08 00:55:00
Server information:
Previous refresh time: 2005/08/14 15:15:00
Next refresh time: 2005/08/15 03:15:00
server: ldap1.example.com, status: UP
server: ldap2.example.com, status: UP
server: ldap3.example.com, status: UP
Cache data information:
Maximum cache entries: 256
Number of cache entries: 0
Gary

The essential guide to DW cs4... by D. Powers: when from wamp to xampp+virtual host and having problems :(

Following the book in chapter 2 I think Ivé followed everything correctly, but have encluded all the things I've edited below.
I was using wamp with no problems but after trying to set up a virtual host and now using xampp im abit lost its probabsomething stupid but I can find the prob.
(This post is abit long and dragged out so I used some colour to try ease the reading..)
When I try to view a dynamic page in live view or in firefox I get the following error:
**when using:
<VirtualHost *:80>
DocumentRoot c:/xampp/htdocs
ServerName localhost
</VirtualHost>
result:
Access forbidden!
You don't have permission to access the requested object.     It is either read-protected or not readable by the server.
If you think this is a server error, please contact the webmaster.
Error 403
thegoodlife
2009/10/13 12:47:48 PM
Apache/2.2.12 (Win32) DAV/2 mod_ssl/2.2.12 OpenSSL/0.9.8k mod_autoindex_color PHP/5.3.0 mod_perl/2.0.4 Perl/v5.10.0
*when using:
<VirtualHost *:80>
DocumentRoot c:/htdocs
ServerName localhost
</VirtualHost>
result:
Object not found!
The requested URL was not found on this server.          If you entered the URL manually please check your     spelling and try again.
If you think this is a server error, please contact the webmaster.
Error 404
thegoodlife
2009/10/13 12:32:58 PM
Apache/2.2.12 (Win32) DAV/2 mod_ssl/2.2.12 OpenSSL/0.9.8k mod_autoindex_color PHP/5.3.0 mod_perl/2.0.4 Perl/v5.10.0
This is what I've done, blue indicating where I have or was meant to edit, red being the relivant context. (hope it helps )
1. Created a new folder called htdocs (C:\htdocs)
2. Changed the pathname to:
# DocumentRoot: The directory out of which you will serve your
# documents. By default, all requests are taken from this directory, but
# symbolic links and aliases may be used to point to other locations.
DocumentRoot "C:/htdocs"
and
# This should be changed to whatever you set DocumentRoot to.
<Directory "C:/htdocs">
3. Created vhosts folder; with a sub-folder called thegoodlife (C:\vhosts)
4. entered new vhost:
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
# For example:
#      102.54.94.97     rhino.acme.com          # source server
#       38.25.63.10     x.acme.com              # x client host
127.0.0.1 localhost
127.0.0.1 dwcs4
127.0.0.1 thegoodlife
127.0.0.1 bin.errorprotector.com ## added by CiD
5.It says uncomment the command by removing the #, (Supplemental configuation.), but this is the origional file; already uncommented?
# Real-time info on requests and configuration
Include "conf/extra/httpd-info.conf"
# Virtual hosts
Include "conf/extra/httpd-vhosts.conf"
# Distributed authoring and versioning (WebDAV)
Include "conf/extra/httpd-dav.conf"
6.Set the permissions and changed the code as instructed, unsing (c:/xampp/htdocs) as advised.
# You may use the command line option '-S' to verify your virtual host
# configuration.
<Directory C:/vhosts>
Order Deny,Allow
Allow from all
</Directory>
# Use name-based virtual hosting.
##NameVirtualHost *:80
# VirtualHost example:
# Almost any Apache directive may go into a VirtualHost container.
# The first VirtualHost section is used for all requests that do not
# match a ServerName or ServerAlias in any <VirtualHost> block.
<VirtualHost *:80>
DocumentRoot c:/xampp/htdocs
ServerName localhost
</VirtualHost>
<VirtualHost *:80>
DocumentRoot c:/vhosts/dwcs4
ServerName dwcs4
</VirtualHost>
<VirtualHost *:80>
DocumentRoot c:/vhosts/thegoodlife
ServerName thegoodlife
</VirtualHost>
Then creating the site definition:
local root forlder: C:\htdocs\thegoodlife\
testing server folder: C:\vhosts\thegoodlife\
URL prefix: http://thegoodlife/
hope i've covered all area's where I could have gone wrong

Just one more thing - the description of what i did while first Kernel appeared:
Happened 2 days ago. Wasn't turning it off for like a day, only sleep mode by closing it. Worked fine all day, wasn't doing anything, except for checking mail 2-3 times and having windows 7 virtual machine opened but doing nothing, everything was going fine. Then closed it without turning off.
Opened 3-4 hours later, everything was working fine for 30 minutes of checking mail, then Kernel appeared. After that pretty much everything i did is described in part 1-5.
Note: all the time MBP was connected to internet via wifi, so updates to both MBP and virtual machine of all programs were possible.
I only shared downloads and desktop folders, so windows couldn't have access to system folder of Mac Os.
Hope this might help...Thanks again.

I have a 160GB Hard Drive in my MBP and use VMWare Fusion and had a 60GB Virtual Machine running Windows XP. Deleted the Virtual Machine and CANNOT find the 60GB space I desperately need! Anybody out there with a similar problem? Help!

I have a 160GB Hard Drive in my MBP and use VMWare Fusion and had a 60GB Virtual Machine running Windows XP. Deleted the Virtual Machine and CANNOT find the 60GB space I desperately need! Anybody out there with a similar problem? Help!

Thanks - Of Course the first thing I checked and did.
Disc Utility reads as follows:
Capacity : 159.18 GB (159,182,127,104 Bytes)
Format : Mac OS Extended (Journaled) Available : 11.47 GB (11,472,896,000 Bytes)
Owners Enabled : Yes Used : 147.71 GB (147,709,231,104 Bytes)
Number of Folders : 139,540 Number of Files : 511,832
Activity Monitor(Disc Usage) shows something quite interesting. Mac HD and Ramanan (Main User) - My hard drive is only 160GB! Would the retired engineer gentleman please note as well. Many thanks. Rams

Windows Virtual PC and XP Mode refuses to start after update 25 February 2014

I have been using Virtual PC and XP Mode now successfully for more than 1 year. I am running Windows 7 Profession on a i7-2600 with 8 GB
But after the update on 25 February 2014 to both the XP Mode and Windows 7, my Virtual PC no longer works. It loops continuously and never starts.
Is anyone else having this problem? Are there any hot fixes? We have our accounting and address management system running in XP mode, so this is quite important to find a fast solution.
Thanks very much
David

Hi,
Rename the .vsv (virtual machine saved states) file in "C:\Users\[user id]\AppData\Local\Microsoft\Windows
Virtual PC\Virtual Machines",then start the VM again.
As a test, you can also uninstall the newly installed updates, check whether this issue is related with the updates. Generally, Windows Updates will not cause any issues, but if some software installed in your system conflicts with it or the updates
not installed correctly, it will cause some unexpected issues.
Regards
Yolanda Zhu
TechNet Community Support

Installing the New Virtual Machine and XP Mode in Win7x64 on the Intel 2x E5-2620 Architecture (12 cores, 24 cpus)

I have been hibernating quietly at school with an Intel Core Duo T7300 on XP, and have been insulated from the madness of multi-core processors. I gather that there were problems with installing the XP Virtual Machine on Vista under Quad architectures,
but that these eventually got resolved in 2009.
The newer problem is concerned with installing the XP Virtual Machine on Win7x64 with greater than four cores in the cpu architecture. Others have mentioned this problem over this past Summer 2012. The problem is that at the very last step of
the complete install, Win7x64 reports a failure to install the XP Virtual Machine, and with no further comment.
Apparently KB/2519949 gave a temporary (MSFT qualifies this as "temporary") hotfix solution to this problem for AMD 8-core chips in the Bulldozer series. However MSFT cautions that this problem requires further research. This was earlier
this Summer 2012.
My problem is that I have an Intel 2xE5-2620 duo-processor cpu architecture (2x6=12 cores, 24 cpus in Windows). The cpu architecture is both Intel, and with far more than the old standard of four cores. The XP Virtual Machine in Win7x64 will
not install, as described above.
I have an armload of new 64-bit software all of which has installed pristinely in Win7x64 under this 2xE5-2620 Intel architecture. However, I have one very important piece of legacy (latest version incompatible beyond XP type of legacy) technical writing
software that is critical to my PhD thesis. In need the XP Virtual Machine for this, and I have no idea how to get it. My PhD thesis supervisor also needs this particular piece of "legacy" technical writing software for his new book on Probability
Theory.
1011::1000

I have news about this issue with XP Mode on Workstation machines. I have actually known about this for a couple of months, but it has not been until these Christmas 2012 holidays that I have had a chance to follow up with an implementation.
In review, I purchased a Workstation computer for scientific computation purposes this past August 2012. My chipset is an Intel 2x E5-2620 for a total of 12 cores, and it turns out that this was not the problem for XP Mode. My OEM shipped this
machine with Windows 7, but without XP Mode, and there is a reason why.
As an aside, it should be mentioned that the main line MSFT OS, Windows 7 or 8, is what I want for this machine, and not Server 2012. The reason is that most of the scientific computation and technical writing software that I use is written only for
Windows, and not for Server. Then also hopefully Hyper-V can do in Windows 8 most of what XP Mode is doing for me in Windows 7.
My dealer was able to tell me, when he got back from holidays in late September, that the reason that XP Mode failed to install on this Workstation, and the reason it was not included by the OEM, was that the original HDD configuration was for RAID (3 available
bays) and formatted for drives of at least 1TB in size. Although the original HDD installation was only a single HDD with only 500GB, the machine was equipped to have something much larger installed. But this format excluded the possibility of
XP Mode.
So we changed the hard drive installation to something that I preferred. We installed Windows 7 on a 480GB SSD, and I installed all my software on this drive, as well as all my important data. Most importantly, since this drive is less than 1TB,
we could use the MBR format which allows XP mode. Then we also formatted the original HDD of 500GB in MBR, and decided to run it with Intel RST. This second drive is for unimportant data, and large files. For backup we chose a 2TB USB 3.0
external. In this setting, installing Windows XP Mode was easy, as the only thing we needed to do was modify BIOS to enable virtualization which was part of the Intel 2x E5-2620 chipset already.
I am very pleased with XP Mode. The scientific writing software for my thesis that I was worried about does actually run in Windows 7 under compatibility mode, but there have been some huge advantages to installing in in XP Mode as well. I still have licensed
copies of Office 2003, Acrobat Pro 9, and MathType 5.2, and other old software as well. I now have all new software, for example Office 2010 (64-bit), Acrobat Pro 10 (32-bit for 64-bit), and MathType 6.8 (64-bit), and lots of other things. However, now that
I have my scientific wrtiting software (for which the maker has not caught up with Windows Vista/7) installed in XP Mode, I have also installed WORD 2003 with MathType 5.2 in XP Mode. My scientific writing software can translate WORD 2003/MathType 5.2 in RTF
format to LaTeX. So lets hope these guys eventually catch up with Windows 7 and 8.
I am also using XP Mode to archive a large block of my old data from the XP days. I still have licensed copies of the out of date software. And I would rather not update every single old file I have to a current format. So altogether, XP Mode is working
out quite well. It is very fast with my Intel 2x E5-2620 and maximum RAM.
1011::1000
1011::1000

What Virtual Characterstic and How to Create it.

Hi Experts,
My Requirment is to calculacte age based on DOB at run time.
One expert in this forum gave me an idea and required code how to achieve it.
Could you please specifie me on how to
1) Create Virtual Characterstic
And he asked me to in SMOD .....how can i do it...please explain me in a bit detail
Thanks

Hi,
Virtual key figures: Will not be stored in the cube. Will be computed at run time when he query is executed. The are virtual in nature and not physical. When you view the cube's contents in listcube, you will not see it there. This is not the same as calc key figures. example: to store sales in your cube and this has o be allocated to all the group companies with a business logic, in this scenario you can code the logic in an exit and derive these virtual key figures. Another example is, when you report on no of days outstanding of your debtors. This will vary depending on when you the run the report. So, a exit can be coded to compute this run time. This is classical example of virtual key figure.
Virtual characteristics: Same as above. Here you will derive the characteristics while report is run.
Depending on the requirements, you must decide when to code for a virtual kf or cha and when to store them in the cube physically.
Virtual characteristics and Key figures are useful if you want to dynamically pouplate data from the fact table to the field.
Virtual key figures are key figures within an InfoProvider that are not filled with data. Instead the key figure value is determined at runtime of the query using custom ABAP coding
Check "how to" doc for virtual characteristic/key figure details.
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/biw/g-i/how%20to%20use%20variable%20time%20references%20in%20currency%20conversion
Virtual key figures and charecteristcs are populated at query execution time.
These virtual objects should be included in the modelling level itself,so that it can be used in the query while using exit in that.
check this step by step doc:
https://websmp106.sap-ag.de/~sapdownload/011000358700009299362001E/HOWTOIDENTIFYCOMPRESULTS.DOC
Regards,

Apache, name based virtual hosts and multiple servers.

Hi,
Ive been playing with Apache and name-based virtual hosts for a while now, but, ive been doing it with one single server... now i have the need to forward a name-based request to another server inside the intranet (wich doesnt have a public IP, but a private)...
Something like this:
internet -----> Webserver (name based vhosts) ----> intranet-webserver
Where "webserver" has several domains resolved via name based virtual hosting, and one of those needs to be redirected (or forwarded) to another server on the LAN.
Any ideas on how to do this? i tryed searching the web, but i dont know under which keywords, so i always end on single server virtual hosting help sites.
thanks in advance!

you need to define a virtual server for it..but inside that definition.. define a proxy.
Then the middle webserver, will actually handle the request to the intranet server, on behalf of the internet client..and then pass the traffic to the internet client.
this looks like a reasonable example..
http://www.linuxfocus.org/English/March … le147.html
namely, the section "Mapping Virtual Servers"

What dj mixer will work well with my iMac os x lion 10.7. I have installed virtual dj and djay apps.

what dj mixer will work well with my iMac os x lion 10.7. I have installed virtual dj and djay apps.

what dj mixer will work well with my iMac os x lion 10.7. I have installed virtual dj and djay apps.

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