Ace: Suspending Virtual Servers

Hi everyone,
We have a lot of Ace 4710 appliances with a lot of serverfarms in it and I know how to suspend virtual servers with the GUI, but i'd like to know how to do that with the CLI. Is it possible?
For now, when we want to deny access temporarily to a serverfarm, we use XML or CLI to put all the real servers out of service but it would be usefull to make suspend the serverfarm itself with a cli or xml command.
Thanks in advance!

As Chris mentioned in the following thread, there is no toggle set every
rserver under a serverfarm out of service.
https://supportforums.cisco.com/message/3155842#3155842
If you can add a probe, you could be possible with dummy probe.
For example, when your all servers don't open port# 10000, allservers
may go down with the following configuration.
probe tcp dummy
port 10000
faildetect 1
passdetect interval 600
passdetect count 10
serverfarm host sf1
probe dummy
rserver sv1
inservice
rserver sv2
inservice
By removing 'probe dummy' config from serverfarm, rservers may return operational.
You may go down all servers in a serverarm easily but load of probe process may
increase since ACE sends dummy probe to all rservers.
Regards,
Yuji

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ACE 4710 Operations Virtual Servers showing Oper State as N/A

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Just wondering if anyone has come across the following issue before:
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Thanks for you reply bhartsfield. I mostly work from the CLI as the network engineer but we have server engineers who use the GUI to take things in and out of service if they are conductinh maintenence on the servers. So along with the N/A status it also is missing the current connection count which is also used by the server guys.
The last time I created a VIP I did it via the GUI to see if it was a GUI issue not syncing with the CLI. I have also forced the DM to sync with CLI, but it still has the same results.
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Regards
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Hello Doug-
Looks like - CSCtk63104.
Try checking the vips under the advanced configuration section, do they show up correctly?
Regards,
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Hi all,
I configured sun webserver 6.1 sp8 on windows 2003 server
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Dear M.V,
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</VS>
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With this configuration I need to check at client environment
If u find mistakes from the above configuration please let me know
Thanks alot
Bye

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expect to use Windows Server 2012 R2 for the Web Server and Database Server, but Windows 7 for the session state.
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Check Note 674851 - Virtualization on Windows:
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Multiple Virtual servers, one listener setup

I am trying SJS 7 as a Proof of Concept project to replace our existing iPlaney 6 and Netscape 2 server instances.
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Under our Apache's virthost.conf, I just need to do the following:
<VirtualHost mysite.com>
ServerName mysite.com
DocumentRoot /web/mysite.com/htdocs
ErrorLog /var/web/mysite.com/error_log
CustomLog /var/web/mysite.com/access_log common
ScriptAlias /cgi-bin/ "/web/mysite.com/htdocs/"
<Directory /web/mysite.com>
Options Indexes FollowSymLinks Multiviews +Includes
AllowOverride All
</Directory>
</VirtualHost>
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ServerName mysite2.com
DocumentRoot /web/mysite2.com/htdocs
ErrorLog /var/web/mysite2.com/error_log
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<Directory /web/mysite2.com>
Options Indexes FollowSymLinks Multiviews +Includes
AllowOverride All
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</VirtualHost>
I setup two virtual servers under one configuration, but the http-listener-1 instance only wants to point to one virtual server instance rather than the pair. I tried to add a 2nd http-listener, but it won't allow me to use the same CNAME address nor port 80 for it as well.
How do I do the same thing that I do with Apache virthosting under SJS 7?
-- Michael

I took a look at the server.xml file, and I currently have this:
<http-listener>
<name>http-listener-1</name>
<ip>sjsdev.mysite.com</ip>
<port>80</port>
<server-name>sjsdev.mysite.com</server-name>
<default-virtual-server-name>screwball</default-virtual-server-name>
</http-listener>
<virtual-server>
<name>screwball</name>
<http-listener-name>http-listener-1</http-listener-name>
<host>sjsdev.mysite.com</host>
<object-file>screwball-obj.conf</object-file>
<document-root>/web/screwball.mysite.com/htdocs</document-root>
<log-file>/web/screwball.mysite.com/logs/server.log</log-file>
</virtual-server>
<virtual-server>
<name>fastball</name>
<http-listener-name>http-listener-1</http-listener-name>
<host>sjsdev.mysite.com</host>
<object-file>fastball-obj.conf</object-file>
<document-root>/web/fastball.mysite.com/htdocs</document-root>
<log-file>/web/fastball.mysite.com/logs/server.log</log-file>
</virtual-server>
I bounced the listener and virtual hosts then tried using a browser for testing.
If I go to http://screwball.mysite.com, it goes to the correct htdocs directory.
If I go to http://fastball.mysite.com, it goes to the screwball htdocs directory instead.
Also, is it possible to make these configuration changes via the Administration web GUI?
Trying to document this as much as possible, mostly via screenshots, for other team members.
-- Michael

Help with J2EE SDK 1.4 Virtual Servers please!

H!
Are we doomed to have just one virtual server pointing to port 80??
I have a Win2K computer with J2EE App Server 1.4. In this computer I stopped the IIS 5.0 in order to use the HTTP Server included with the product. I also run the DNS on the same machine with 3 domains. All name resolutions for these 3 domains work fine.
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http://www.mytest.com:8081/hello.jsp
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http://www.mytest.com/hello.jsp
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ID: mytest
Hosts: www.mytest.com
HTTP Listener: http-port80 (This is the name of the port listener)
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But then I create a new virtual server for http://www.mytest2.com exactly as the one for the www.mytest.com, except for the host field: http://www.mytest2.com
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Am I doing something wrong on the configuration?
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I can help you out with this, because I just solved this problem using the Apache web server 2.0 with mod_proxy and mod_proxy_http.
this is how the configuration works.
setup sunone creating one virtual host for each http-listener on a different port. and make sure these ports are any port except the 80. -- we will configure apache on this port and then use it as a reverse proxy to get to our hosts.
like this
virtual-listener-1 - port 8081
virtual-listener-2 - port 8082
virtual-listener-3 - port 8083
virtual-host-1: www1.domain.com bind to: virtual-listener-1
virtual-host-2: www2.domain.com bind to: virtual-listener-2
virtual-host-3: www3.domain.com bind to: virtual-listener-3
now download apache with all the modules http://www.apache.org
in your httpd.conf add the following lines of code.
#the code below will tell apache to enable the proxy for your host
<IfModule mod_proxy.c>
# Proxy Server directives. Uncomment the following lines to
# enable the proxy server:
ProxyRequests On
<Proxy *>
Order deny,allow
Deny from all
Allow from www1.domain.com
Allow from www2.domain.com
Allow from www3.domain.com
</Proxy>
# Enable/disable the handling of HTTP/1.1 "Via:" headers.
# ("Full" adds the server version; "Block" removes all outgoing Via: headers)
# Set to one of: Off | On | Full | Block
ProxyVia On
# End of proxy directives.
</IfModule>
NameVirtualHost *:80
<VirtualHost *:80>
ServerName www1.domain.com
<Location />
Order allow,deny
Allow from all
ProxyPass http://sunoneserver:8081/
</Location>
</VirtualHost>
<VirtualHost *:80>
ServerName www2.domain.com
<Location />
Order allow,deny
Allow from all
ProxyPass http://sunoneserver:8082/
</Location>
</VirtualHost>
<VirtualHost *:80>
ServerName www3.domain.com
<Location />
Order allow,deny
Allow from all
ProxyPass http://sunoneserver:8083/
</Location>
</VirtualHost>
note the sunone server indicates the server where you installed sunone-as (J2EE 1.4). this will give you the result you are looking for: all three of these sites will run on port 80 and each of them will respond to a different web application on sunone.
there are naturally limits because when you run out of ports on your application server this won't work any more but then again there are about 60000 of those free and i don't think you will be able to run that many sites on one server anyway.
Chris.

SBS 2003 to Server 2013 migration - How many virtual Servers?

Hi
I need to replace our SBS2003 - we are about 10 users. We use it for:
AD
File/Print
Exchange
SQL
WSUS
Subversion
TrendMicro WFBS
Since there is no current follow up product I feel like I need to setup:
Server 2012 R2
Exchange 2013
SQL Server 2012 Express
I found inconsistent information on how many virtual servers I will need. Is it correct that in contrast to SBS I must have multiple (virtual) servers?
What is best practice for this scenario (# of VM's, "what" goes best with "what", sizes ..)
Thanks a lot for your help .. I have a very good knowledge about the SBS2003 but unfortunately not about the later Standard Server Versions.

Well.. best practice would suggest,
1 VM - DC
1 VM - Exchange
1 VM - SQL
Reality though, suggests they may not be required.
What do you 'need'?, is a better question.
Can you move to hosted exchange?
You can certainly use the Hosted Trend Micro AV product which removes the requirement to run a console on your server.
Perhaps 2 VMs would be sufficient a DC, and a second to host your applications and WSUS.
Robert Pearman SBS MVP
itauthority.co.uk |
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Iterating through available virtual servers...

Hello,
I am writing a NSAPI filter on Sun ONE Web Server 6.1. Can someone point me to the docs that describe how one could programmatically iterate through all the virtual servers/sites, associated port numbers, etc., using Sun's C/C++ API?
Thanks!

No, there is no API for iterating over virtual servers. An NSAPI plugin typically is not aware of virtual servers. An NSAPI plugin that needs to be virtual server aware can register itself to receive virtual server creation and destruction events using the documented vs_register_cb() function.
There is no API for parsing/modifying server.xml.

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We are running about 20 hardware virtual sites on a iws 4.x server running on NT. they each have their own IP address and are all SSL sites. We want to switch to iws6.x, but everything is different. has anyone successfully upgraded in a similar situation? we think we need to create a seperate listen socket for each IP address. How would we add a server cert to each of the virtual servers? Thanks!

Hi,
<b>How would we add a server cert to each of the virtual servers?</b>
The below steps will help you how to Install individual cert for each virtual server :
Webserver 6.x allows you to install individual certificates for each
virtual server.
1. Request multiple certificates and while installing those certificates
give an unique certificate name...say virtualcert1,virtualcert2 etc.
2. Verify those certificates by clicking the "manage certificate"
option.
2. Create virtual servers and if you are creating ip based virtual
servers (hardware vs) then you can group then to the same listen
sockets. This can be accomplished by editing the listen sockets and
choosing the advanced--->group option.
3. Now again go to the Edit listen Socket and turn on the Security.
Apply the changes.
4. You will now see a new link named 'Attributes' appearing.
5. Click that link and a new screen will open
6. You will have the Virtual servers listed and also the certificate
name appearing. You can now associate unique certificate to each of
those virtual servers created.
6. Click OK and apply the changes.
This will install the unique certificate for each virtual server.
I hope this helps.
Regards,
Dakshin.
Developer Technical Support
Sun Microsystems
http://www.sun.com/developers/support.

Setup Virtual Servers in IIS with WLS 8.1

Hi,
I have multiple virtual servers (using host headers) in my IIS 5.0 web server. I also created multiple server instances in WLS. Can anyone tell me how I can integrate this virtual servers to connect to WLS virtual servers via port 80.
Would I have to create ini file for all virtual IIS servers.
Thanks

Hi,
I have multiple virtual servers (using host headers) in my IIS 5.0 web server. I also created multiple server instances in WLS. Can anyone tell me how I can integrate this virtual servers to connect to WLS virtual servers via port 80.
Would I have to create ini file for all virtual IIS servers.
Thanks

Another newb question: multiple virtual servers

Hi, I have yet another ignorant question. I have several unrelated web projects that I am working on, and I would like to be able to set up a virtual server for each one for testing purposes, such as: http://project1, http://project2, http://project3. Can someone tell me if this is doable, and if there are any tutorials/resources on this for someone who has 0 experience running a web serer? Sorry for being so ignorant!

Yes, it is doable.
You can setup virtual server either by IP or by name.
If you have one IP, and want to set them up by name (ex. http://project1, http://project2, http://project3) you can do so easily with this type of configuration:
<virtual-server>
    <name>mydomain</name>
    <http-listener-name>http-listener-1</http-listener-name>
    <host>*.mydomain.com</host>
    <document-root>/www/domain</document-root>
</virtual-server>
<virtual-server>
    <name>myotherdomain</name>
    <http-listener-name>http-listener-1</http-listener-name>
    <host>*.myotherdomain.com</host>
    <document-root>/www/myotherdomain</document-root>
</virtual-server>
....The important part here is that
a) all virtual servers share the same HTTP listener
b) which virtual server serves the request depends on the $HOST request header send by the client. Sun Web Server does the matching for you. It will match $HOST vs. the virtual server's host attribute. Depending on which site you connect to the right virtual server will be used.
c) if the $HOST request header does not match any of the virtual servers, then the default virtual server defined in the HTTP listener will be used.
To create a virtual server, use the Admin GUI, access the configuration, and then add new virtual server. Or use the following CLI command.
wadm> create-virtual-server --config=myconfig --http-listener-name=http-listener-1 --document-root=/www/docs/myserver.com --host-pattern=myserver.com --log-file=../logs/myserver.com-error_logs myserverHost pattern will be used for matching. Some of this elements might be optional.
Hope that helps. And keep the questions coming :D
Edit: Also check the documentation
Using Virtual Servers in SJS Web Server 7.0

Can I use virtual Servers in private cloud for RAC

Hello to all
We are going to install an Oracle RAC on two servers
But our Hardware Administrator says to us “I Allocate two virtual servers in the our private cloud not two physical Servers (or real Servers)”
Do you think it’s practical and reasonable to using virtual Server for Oracle RAC in production environment ?
Which one is better physical server or virtual server for RAC?
Please write your reasons
Thanks

Using virtual machines is officially supported for RAC only in a few cases which can be found here:
http://www.oracle.com/technetwork/database/virtualizationmatrix-172995.html
Make sure that you meet these requirements in your private cloud. Some cases like vmware are still somewhat supported despite beeing not on the list.
Beside this you should make sure that your 2 virtual machines run on different hardware servers in the cloud, otherwise you lose most parts of the rac advantage regarding high availability, when both virtual servers happen to run on the same hardware during a crash
Virtual servers are used in production environments, but you will have to take greater care for many aspects of rac compared to physical hardware, e.g.. something like "live migration" of vmware can kill a rac node due to timeout.
I would prefer hardware for rac anytime over virtual servers and spare me the hassle of dealing with all possible issues arising from the virtualization.
And check oracles licensing policy...
Running an enterprise edition rac on e.g. a large vmware cluster is insanely expensive, you pay every cpu core the rac COULD run on -> the entire cluster!
If you must use virtual hardware but don't want to and need an argument against it use the license issue.
Regards
Thomas

Ace: Suspending Virtual Servers

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