Data Center:Australia Down

Does anyone know what's going on with the AU Data Center?
It's been down yesterday for 2-3 hrs and again today just now without prior notice?

Hi everyone,
Amazon is updating its entire infrastructure and as a result there are some intermittent downtimes on sites due to server restarts. For more details read the maintenance announcement on the BC blog.
The downtime sessions should not be longer than a few minutes, but there are multiple sessions per site.
Kind regards,
Cristinel

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IPT Clusters Data Center Move 8.6(2a)SU3‏

Hi Voice Experts,
Any help will be appreciated, I have read Cisco BCP and understand the best practice but Cisco doesn’t talk clearly about the questions mentioned [only adding subscriber needs a cluster reboot is confirmed but wanted to know from the experience of experts here]:-
We have a plan to move data center for IPT Clusters, and we are working for POC for server build as of now, I would need your guidance for the following questions:-
1-      Adding a new Subscriber:
a.       Is rebooting for all nodes in a cluster required?
b.      Is this mandatory to remove the subscriber from the list of servers from publisher before building the same subscriber in a live environment? [lets say need to replace MCS server for a subscriber]
c.       Can the replica subscriber be built in an isolated environment first by building the replica Publisher and then Subscriber, and later promote this newly build subscriber in live environment by replacing this with the original non working subscriber?
2-      Node licensing:
a.       The node licensing reflects the no of Subscribers in a cluster [not non subscribers like MOH, TFTP servers], lets say we have one subscriber in one data center, we need to move this in another Second data center, so can we build this server with different ip address in live running environment [will shut down the original subscriber first before promoting newly built server as SUBSCRIBER considering node licensing limitations], is that doable ? OR First we need to decommission the current running server from one Data Center and then start building the subscriber in second data center?
Regards,
Shah

I dont quite follow what you are trying to do, are you actually going to move your whole cluster to a DC?
if you move DC, can you move your VMs across and Re-IP?
if you are going to build new subs in the new DC, you will need to add these to your existing cluster yes, no full reboot of your cluster should be required when adding a sub. once you have all subs spun up in your new DC, move your phones across to it (change option 150 in each voice subnet). lastly Re-IP your PUB to fit in the new IP range in your new DC
always make sure you ready the release notes!!!!!
You will need to get temporary licences for your interim period where you have a bunch of sub in the new as well as the old DC. All you need is node licences. Speak to your reseller.
please rate if usefull

Link Load balancing - Data center query

Dear all,
I have a query on link load balancing. My scenario goes like this. The customer has taken web hosting services from two data centers. When an user who is accessing the servcies available in primary data center gets disconnected due to say link failure. Then the services should be available continuosly from the secondary data center. All the services provided by the primary data center should be available now from the secondary data center without any down time. What device i should go for, for doing this link load balancing. After searching a lot in the web, i found this Cisco Global site selector which does the link load balancing between data centers. I want to know whether i have ended up with the right choice? Plz give your valuable suggestions for the correct device i should use for load balancing multiple data center.

That product can be quite good, I believe another company called F5 also makes good stuff in that arena... However, you have to remember that alot of this depends on what application you are doing on these servers. If you're running a service that only hosts static web pages, that's no problem. But, if you're going to be doing ecommerce where it needs to save the users "state" between page loads and such, that gets much more complex and you need to choose the right server software, such as Coldfusion or PHP or whatever to accomodate this too...

Question about GG if Data Center Fails

Hi i came across a question from my team about, what happens to Golden Gate replication when a data center failure occurs or an automatic switch-over to VCS cluster happens?
Automatic switch-over to VCS cluster did happen in our environment once, when our NIC card was not working for our Primary server in Production VCS Config shut down the primary node and automatically switched over to failover node in VCS cluster.
I am also looking into option what will happen to on-going Extract and Pump process on source? How will i be able to syncronize the residual data from source side to target side, if such things happen?
Any comments or experience will help me.
Thanks

All of our filesystems on primary gets failed over to failover cluster node, like how it happens with database bins and data files.
We have tested it and verified if we can start the Golden Gate after failover happens on failover node.
Thanks

Wireing Question for Data Center

I work in what I would consider to be a small/mid sized data center. We use two 6513 as the core/distribution for ~25 racks of servers.
My question comes in the way of cabling the servers to the core. Currently they are using long patch cords between the 6513 and each server. Well its a mess, functional but messy.
I'm trying to figure out the best way to clean up the mess and make it look professional.
Most people seem to suggest 2 different ways to accomplish this:
1) Install switches in each rack and run fiber from the core to the rack. Wire each server to the switch in the rack.
2) Install 24/48 port patch panels between the core area and the racks.
I'm wondering what people think of these ideas and if there are any other suggested ways of accomplishing this?
Andy

Hi Andy,
Here's something that we used to do where I worked:
We had 6509's with three/four 48 port blades servicing between 150 and 200 phones roughly. I had four total switches, one on each of four floors. So this would be roughly similar to your DC environment, only we're servicing longer horizontal runs and phones, not servers -- but the idea is the same (i.e. high density cabling issues).
Lord knows that when you're plugging in 48 cables into one of those blades, it can get pretty crowded. And since we don't yet know how to alter the laws of physics that determine space requirements, we have to search for alternatives.
Back to my environment: On three of the four floors, we just wired straight from the patch panel (that ran to floor locations) to the switch. Quite a mess when you're running in 48 cables to one blade! However, this is traditional and this is what we did. My cabling guy (very smart fella) suggested something else. At the time I was too chicken to do it on the other floors, but I did agree to try it on one floor. Here's what we did:
He ran Cat5 (at the time, that was standard) connections in 48 cable bunches from an adjacent wall into the switch. They had RJ-45 connections so that they could plug in, and they were all nice and neat. On the other end, they plugged in to a series of punch down blocks (kind of like you see in a phone room for telephone structured cabling). These, in turn, were cross connected to floor locations on another punch down block that went to the floor locations. Now, whenever we wanted to make a connection live, we simply had to connect the correct CAT5 jumper wire from one punch down block to the other. You never touch the actual ports in the switch. They just stay where they are. All alterations are done on the punch down blocks. This keeps things nice and neat and there's no fiddling with cables in the switch area. Any time you need to put in a new blade, you just harness up 48 more cables (we called them pigtails) and put them in the new blade.
NOTE: You could do the exact same thing with patch panels instead of punch down blocks, but with higher densities, it's a bit easier to use the blocks and takes up much less space.
ADVANTAGES:
* Very neat cable design at the switch side.
* Never have to squeeze patch cables in and out.
* Easy to trace cables (but just better to document them and you'll never have to trace them).
* Makes moves, adds, and changes (particularly adds) very easy.
DISADVANTAGES:
* Not sure that you can do it with CAT6.
* You have to get a punch down tool and actually punch cables (not too bad though after you do a few).
* You need to make sure that you don't deprecate the rating on the cable by improperly terminating it (i.e. insufficient twists)
Anyway, I haven't had a need to do this in a while and I no longer work at the same place, but my biggest concern would be if that meets with the CAT6 spec. Not sure about that, but your cabling person could probably tell you.
I'm not a big fan of decentralizing the switches to remote locations. It can become cumbersome and difficult to manage if you end up with a lot of them. Also, it doesn't scale well and can end up with port waste (i.e. you have 24 servers in one cabinet on one switch and then along comes 25; you now have to buy another 12 or 24 port switch to service the need with either 11/23 ports going to waste -- not good).
Good luck. Let us know how you make out. I'd be glad to go in to more detail if the above isn't explained well enough.
Regards,
Dave

Exchange Data Center Switching Database Not Mounting

-Primary DC > 02 Exchange Servers ( All roles Installed) MAPI & Replication Network Between two
-DR Site > 01 Server (All roles) + 01 Server ( Mailbox Roles) Only MAPI network
-All the Servers in both Sites are members of DAG called DAG1
- All Mailbox Server have Database Copies in healthy states
I shutdown the Primary Database Completely and I saw that Mailbox Databases not mounting On DR Site.
What need to be configured? to Switch over and Automatic mount in case Primary Data Center Down.
here is the Screen Shot:
After Some time

Hi,
All DAG members should have the same number of networks, MAPI and Replication networks. Base on your description, members in DR site only have MAPI network.
If your primary datacenter fails, you need to switchover to secondary datacenter manually.
You can look at the following article.
http://technet.microsoft.com/en-us/library/dd351049(v=exchg.141).aspx
Best regards,
Belinda Ma
TechNet Community Support

Can we deploy a instance to AWS China data center?

Can we deploy a instance to AWS China data center？ So far looks like AWS china data center is not in drop down list box.

Hi Charles,
Please select Windows Azure operated by 21Vianet.
Best regards,
Stanimir

Exchange site resilience 2010 (2 MB Server in each Data Center)

Here is Scenrio:
2 MB servers in Primary Data Center (DC)
2 MB Servers in Secondary DC
With one DAG Across Sites, DAG has IP 2 Addresses (One for Each DC Subnets).
Witness server: Primary DC Server
Alternate Witness: Secodary DC Server
Cluster: Node and File Share Majority
DatacenterActivationMode: DAGonly
================================================
Issue:
Last Night Secondary DC Power Goes Down and all System Shutdown.
So I was Not able to access Email even the Primary DC was up and Exchange Server was runnign fine, I Check the Maibox Databases and It has shown the Database "Dismounted" on Primary DC Exchange Server with Activation Pref =1
I check the Cluster and Cluster Was Down.
As FSW was Up and Accessible, and Two Nodes in Primary Site were UP then Why It happend?
Screen Shots are Attached.

Hi Genius1985,
To solve Event ID 7024, please try to install
http://support.microsoft.com/kb/975486 .
More details:
The Cluster services fail on all nodes after you shut down the cluster node that owns the quorum disk resource in Windows Server 2008 SP2
This issue occurs because of a deadlock that causes a timer to expire. This timer terminates the Cluster services.
To solve Event ID 7031, please configure the antivirus program so that it does not scan the MSCS folder on the quorum disk.
More information:
Event ID 1177 — Quorum and Connectivity Needed for Quorum
The Cluster Service May Experience a "MoveFileExW Failed" Error
Event 1135, 7031, or 7036 when the cluster service stops in Windows Server 2012
Thanks
Mavis Huang
TechNet Community Support

HT5390 have a Mac mini server in the data center no physical access. Is it possible to configure a remote "console" that allows shutdown and reboot remotely ?

A mini mac used for building sits in the data center normally we access via VNC network connection.
I want to have "console" access to shutdown and reboot system.
Reason. Updated to Mountain Lion OS X from 10.7.x and lost VNC connections, now host is down with no physical access.
Alternate is to call data center and see if someone can cycls the power ?

As mentioned by Linc there is no 'lights out' management for the Mac mini (or any current Mac). If the Mac is still running you can initiate a reboot via the GUI or commandline. If however it is completely crashed then there is a solution you could consider which is to get a managed power distribution strip. With this the power strip has its own network connection and lets you remotely turn off (and on) individual power sockets. This would then let you 'hard reboot' the Mac mini even if crashed.
See http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=ap7921& tab=features

Migrate Standby ASA to Backup Data Center

Hello Experts,
We have backup data center where I am now planning to provide backup internet service ( in the case where there is internet down or power outage at main server room) .
I have a pair of Cisco ASA's 5540, one of which I need to move to backup data center ( BDC), Presently I have ADSL router at disaster serve room with static public IP from ISP.
Currently, I am publishing all my internal resources through ASA. Now my questions, if I move Standby ASA to Disaster Server Room. How I can publish the same internal resources through standby ASA and make it standby as active during the down time of main server room
Please can anyone suggestion how to achieve this setup. Is is this scenario possible
Thanking in advance.
Samir

Hello,
I knew it.
I'll just tell you from the beginning hope it might help you to understand. I appreciate your help.
Presently at my main data center I'm having a leased line router and then 2 ASA 5540 (with failover active/standby).
I was thinking to move 1 ASA to backup disaster server room. In this regard, I asked earlier how I can still achieve the active/standby after migrating to backup room. But you had anwered my query
Query 2
I have got new ADSL service and router with public static IP at backup server room. Now I moved one of my ASA.
How can I keep publishing the internal resources ( like access to internal webserver, rdp connection) by using this ADSL service if the main server room is completely down .
Hope it is clear.
Thanks

Who's winning the war for your data center, and Terminator memes!

G'Day Fellow SpiceHeads down under!!!
Here in the states Summer is in full swing and we are feeling the heat! But your flash architecture doesn't have to, join me and the Pure Storage team to find out who's winning the "Battle of the Flash Storage Architecture: Who is Winning the War for the Data Center"
In the meantime join the discussion and chime in with your best terminator meme, because who doesn't want to start their Thursday off with terminator meme's? Or tell me who you think is winning the war on the data center?
This topic first appeared in the Spiceworks Community

Android phones running ICS or JB have this capability built in; there also are apps in Google Play for Androids (such as Onavo Count).
My experience is that my phone and my installed Onavo Count track quite well with what's reported on my MyVerizon account's data usage.
Onavo Count is available for iPhones, and Windows Phones have Data Sense to track data usage.

Unable to capture data from drop down list in custom added field in migo tcode at item level

Hi guys,
need bit help in resolving query related to custom added field in Tcode migo.
i have added a field in migo at item level ,in this i have used drop down list
to get data but unable to capture data from drop down list.gown through
many blogs in scn but unable to resolve.
Please help me out in this.
Thanks,
Umakant.

Hi,
U can use following code to fill the list box
write this code in PBO
In layout editor please select listbox in dropdown attribute of input field and put some fctcode attribute
TYPE-POOLS vrm.
DATA values TYPE vrm_values WITH HEADER LINE.
TABLES: <ur custom Database table>.
clear values, values[].
SELECT * FROM <ur custom Database table>.
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ENDSELECT.
CALL FUNCTION 'VRM_SET_VALUES'
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Also please define the following before accessing the listbox value
data: <listbox input field name> type <table field name>,
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In PAI, select the text from the table into <inputfield name where text to display> depending on value selected which will be called when enter key is pressed or any vale is selected

Welcome to the Solutions and Architectures Data Center & Virtualization Community

Welcome to the Solutions and Architectures Data Center & Virtualization Community. We encourage everyone to share their knowledge and start conversations related to Data Center and Virtualization Solutions and architectures.All topics are welcome, including Servers – Unified Computing, Data Center Security, Data Center Switching, Data Center Management and Automation, Storage Networking, Application Networking Services and solutions to solve business problems.
Remember, just like in the workplace, be courteous to your fellow forum participants. Please refrain from using disparaging or obscene language or posting advertisements.
Cheers,
Dan Bruhn

Hi,
I have a question...
I going to install two Nexus 7009 with three N7K-F248XP-25 modules on each one, I am planning to create 3 VDC, but at the initial configuration the system does not show the ethernets ports of these modules, even with the show inventory and show module I can see tah the modules are recognized and its status is OK. There is something that I have to do before start to configure these modules...? enable some feature or license in order to see the ports with show running CLI...?

Welcome to the Enterprise Data Center Networking Discussion

Welcome to the Cisco Networking Professionals Connection Network Infrastructure Forum. This conversation will provide you the opportunity to discuss general issues surrounding Enterprise Data Center Networking. We encourage everyone to share their knowledge and start conversations on issues such as Mainframe connectivity, SNA Switching Services, DLSw+, managing SNA/IP and any other topic concerning Enterprise Data Center Networking.
Remember, just like in the workplace, be courteous to your fellow forum participants. Please refrain from using disparaging or obscene language or posting advertisements.
We encourage you to tell your fellow networking professionals about the site!
If you would like us to send them a personal invitation simply send their names and e-mail addresses along with your name to us at [email protected]

Hi together,
Since the release of SAP NetWeaver 2004s to 'Unrestricted Shipment' as of 6th of June 2006, we have renamed the forum 'SAP NetWeaver2004s Ramp-Up' to 'BI in SAP NetWeaver2004s'.
The forum should continue to adress BI issues particular to the release SAP NetWeaver 2004s. Please post general BI, project, etc. question to the other existing BI forums.
The SAP NetWeaver BI organisation will also use this forum to communicate / roll-out information particular to the release of SAP NetWeaver 2004s (in addtion to the FAQs and other material on the SAP Service Marketplace and information in other areas of the SDN).
Cheers
SAP NetWeaver BI Organisation

Deploying Cisco Overlay Transport Virtualization (OTV) in Data Center Networks

Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about how to plan, design, and implement Cisco Overlay Transport Virtualization (OTV) in your Data Center Network with Cisco experts Anees Mohamed Abdulla and Pranav Doshi.
Anees Mohamed Abdulla is a network consulting engineer for Cisco Advanced Services, where he has been delivering plan, design, and implementation services for enterprise-class data center networks with leading technologies such as vPC, FabricPath, and OTV. He has 10 years of experience in the enterprise data center networking area and has carried various roles within Cisco such as LAN switching content engineer and LAN switching TAC engineer. He holds a bachelor's degree in electronics and communications and has a CCIE certification 18764 in routing and switching.
Pranav Doshi is a network consulting engineer for Cisco Advanced Services, where he has been delivering plan, design, and implementation services for enterprise-class data center networks with leading technologies such as vPC, FabricPath, and OTV. Pranav has experience in the enterprise data center networking area and has carried various roles within Cisco such as LAN switching TAC engineer and now network consulting engineer. He holds a bachelor's degree in electronics and communications and a master's degree in electrical engineering from the University of Southern California.
Remember to use the rating system to let Anees and Pranav know if you have received an adequate response.
Because of the volume expected during this event, Anees and Pranav might not be able to answer each question. Remember that you can continue the conversation on the Data Center, sub-community forum shortly after the event. This event lasts through August 23, 2013. Visit this forum often to view responses to your questions and the questions of other Cisco Support Community members.

Hi Dennis,
    All those Layer 2 extension technologies require STP to be extended between Data Centers if you need to have multiple paths between Data Centers. OTV does not extend STP rather it has its own mechanism (AED election) to avoid loop when multiple paths are enabled. It means any STP control plane issue, we don't carry to the other Data Center.
    OTV natively suppresses Unknown Unicast Flooding across the OTV overlay. Unknown unicast flooding is a painful problem in layer 2 network and difficult to troubleshoot to identify the root cause if you don't have proper network monitoring tool.
   It has ARP optimization which eliminates flooding ARP packets across Data Center by responding locally with cached ARP messages. One of the common issues I have seen in Data Center is some server or device in the network sends continuous ARP packets which hits Control plane in the Aggregation layer which in turn causes network connectivity issue.
The above three points proves the Layer 2 domain isolation between data centers. If you have redundant Data Centers with Layer 2 extended without OTV, the above explained layer 2 issue which happens in one Data Center carries the same failure to the second data center which creates the question of what is the point of having two different Data Centers if we can not isolate the failure domain.
OTV natively supports HSRP localization with few command lines. This is a very important requirement in building Active/Active Data Center.
Even though your question is related to L2TP, OTV deserves the comparison with VPLS and those comparison will also be applicable for L2TP. The below link explains in detail...
http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9402/white_paper_c11-574984.html
Thanks,
Anees.

Data Center:Australia Down

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