Use Redis Cache for Multiple Applications

Hi,
I did some searches and could not come up with a straight forward answer so I am hoping someone here can clarify this for me.
We have two different products that we have built in .NET that we host in Azure as websites. For each of these two products we have multiple clients. Each product and client pair has its own SQL database and its own website setup in Azure.
We would like to start using Redis Cache for the session of these products. Do I need to:
1) Create 1 Redis Cache and use it for all clients / products?
2) Create 2 Redis Caches and use one per product (redis caches needed = # of products)?
3) Create an individual Redis cache for each client / product pair (redis caches needed = # of products x # of clients)?

You can do either of the above. It would really depend on how much load are you expecting on the Cache
For separation and load balancing it might be better to have a Cache per Website
For a Cache to be useful it should be closer to the Web tier, so ensure that you provision the Cache in the same region as the Website.

Similar Messages

Use single realm for multiple web applciation in sharepoint 2013 and adfs 2.0

Use single realm for multiple web applciation in sharepoint 2013 and adfs 2.0
Please help!!

I dont think you can do this, because you have to name/url of the web application in realm. You have to add new realm for each web application.here is script to add another realm.
Add-PSSnapin "Microsoft.SharePoint.PowerShell"
$sts = Get-SPTrustedIdentityTokenIssuer | where {$_.Name -eq "ADFS2.0"}
$uri = new-object System.Uri("http://url/")
$sts.ProviderRealms.Add($uri, "urn:sharepoint:Name")
$sts.Update();
Please remember to mark your question as answered &Vote helpful,if this solves/helps your problem. ****************************************************************************************** Thanks -WS MCITP(SharePoint 2010, 2013) Blog: http://wscheema.com/blog

How to config a shared cache for multiple environments with C API

How to config a shared cache for multiple environments with C API? Just like Java edition. Chapter 2. Database Environments
I want to open large number of databases, at least 10,000. But as the counts of databases opened increase, the db->open operation become very slow. It almost cost 2 hours to 10,000 databases.
So I try to distribute these databases to multiple environments ( for example, 5 envs ). And in order to improve the efficient of memory use, I want to share cache between envs.

Hi,
It is not clear what you meaning about multiple environments. Do you mean these environments are in different directories or in the same directory ? If you mean environments in different dirs share the same cache, it is interesting why you need that.
If you do not use DB_PRIVATE to open the environment, the created cache will be on disk, in the environment directory, so it can be shared by multiple processes and multiple threads. Currently, the cache file is in the environment directory, and we do not support specifying a separate directory for cache only.
Regards,
Oracle Berkeley DB.

Shall I use one datasource for multiple connection pool?

Hi,
I need to clarrify that, Shall I use one Datasource for multiple connection pool in distributed transaction?
Thanks with regards
Suresh

No. If its transactions across multiple databases you should use different datasources.

Passing argument to, when using one class for multiple assets

I had a class that I was passing a simple argument to like so:
var quiz_1_2:CaseStudyQuiz = new CaseStudyQuiz(2);
addChild(quiz_1_2);
I now would like to use this class for multiple MCs in my library. I thought I could let Flash create a class for each of them and specifying the CaseStudyQuiz class as the Base class. When I do that, I get the following error:
1136: Incorrect number of arguments. Expected 0.
Obviously this is because the class created by flash does not except an argument. Does that mean, I would have to create a seperate class for each of the movies that use that class? And if so, what would I have to do in that class for it to except the parameter and pass it on to my base class?
Thank you very much for any help with this!!!

use the super() function and pass your parameter. but you still might get a runtime error but i don't think that will cause a problem.

Top Essentials Cache and Multiple Application Servers

Hello,
I'm developing a new servlets/services application in Java using tomcat and playing around with toplink essentials. Is it possible, when using multiple servers, to expire cached objects? Eg I update user account info on server 1, but 2 and 3 still have old data. The documentation and blogs I have read seem to indicate you either have to force a refresh of the object or set up readAllQueries to go direct to the db (which rather defeats the purpose of having a cache?) - for fresh data. Though I agree there are some places where up to the moment data is not always required, building a system to scale with expiry caching across multiple app servers seems like something toplink essentials SHOULD be able to do.
Also, is there any work on when the new rev of Toplink Essentials would be out? I see posts about the 11G preview but that's regular toplink.
Thanks in advance!

There are several caching options in TopLink Essentials to handle stale data.

Some of the settings are available through properties in the persistence.xml, but for most you will need to use a DescriptorCustomizer or SessionCustomizer and use the API of ClassDescriptor (refer to JavaDocs for additional info).

Caching options include:
- Cache Type : (weak, hard, soft, none), a weak cache will decrease stale data.
- Isolated (shared) : You can set the descriptor to be isolated or cache not shared to avoid caching the class.
- Refresh : You can enable refreshing at the class or query level.

A ClassDescriptor does have an invalidation policy, but the policies for invalidating based on a time-to-live or time-of-day were not ported from TopLink to TopLink Essentials, however you could write your own pretty easily.

If you upgrade to using TopLink 11g (preview), which you can download and use under the Oracle OTN license, then you have support for using cache invalidation and cache coordination. This functionality is also available in the Eclipse EclipseLink project currently in incubation.

---
James Sutherland

One login for multiple applications

Hi,
I was using HTMLDB 1.6 and followed the following guidlines: one login multiple applications for one login to multiple applications. Basically I set the cookie name the same for both applications. It worked.
Now I've upgraded to HTMLDB 2.0 and this doesn't work anymore. I need to login to each application. Any way around this?
Thanks,
Marty

Scott
I have an SQL report region that includes this column:
decode((select count(*) from gr_agency_add f, gr_emp_add a where a.empid = g.userid and a.aid = f.aid and a.add_type = g.address_option), 0, '', '<a href="f?p=&APP_ID.:9:' || :APP_SESSION || '::::P9_GRID:' || g.GRID || ' target="_blank">') ||decode(trunc(length(g.topic)/30), 0 , g.topic || '</a>', substr(g.TOPIC,1,30)||'..') "Topic",
With the
target="_blank"
of course I am opening page 9 in a new window. I never had a problem with this but today, in a demo to some executives, the new window apparently came up with the login page and not page 9. Would this be due to a browser setting? Unfortunately, I don't have much info about the laptop they were using.
The demo was still a success!
Bill

Use sql notification for console application C#

I have developed ucma C# console application which sends IM to users.
Now I want to send IM if any new entry is added in the table
So i want to use query notification .
I have enabled service broker on my database .
And I have added code for sqldepedency in my code file.
as follows.
public static void Main(string[] args)
UCMASampleInstantMessagingCall ucmaSampleInstantMessagingCall =
new UCMASampleInstantMessagingCall();
ucmaSampleInstantMessagingCall.connectionfunction();
public void connectionfunction()
string connectionString = @"Data Source=PIXEL-IHANNAH2\PPINSTANCE;User ID=sqlPPUser;Password=ppuser1;Initial Catalog=Ian;";
SqlDependency.Stop(connectionString);
SqlConnection sqlConnection = new SqlConnection(connectionString);
string statement = "select * from dbo.tblTest";
SqlCommand sqlCommand = new SqlCommand(statement, sqlConnection);
// Create and bind the SqlDependency object to the command object.
SqlDependency dependency = new SqlDependency(sqlCommand, null, 0);
SqlDependency.Start(connectionString);
dependency.OnChange += new OnChangeEventHandler(dependency_OnChange);
private void dependency_OnChange(object sender, SqlNotificationEventArgs e)
ucmaSampleInstantMessagingCall.run()
private void Run() { // Initialize and startup the platform. Exception ex = null; try { // Create the UserEndpoint _helper = new UCMASampleHelper(); _userendpoint = _helper.CreateEstablishedUserEndpoint();
Now I want to run this application in the background , so f any new entry is added it will notify my C# application and call run function.
i tried above code but it was not working.
Sample code is avaliableon net but it is for form application and we can see output if we run the form application .
so if i want to run my C# application what should I do?

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Configuration;
using System.Security.Principal;
using System.Security.Cryptography.X509Certificates;
using System.Net;
using System.Threading;
using System.Diagnostics;
using Microsoft.Rtc.Collaboration;
using Microsoft.Rtc.Signaling;
using System.Runtime.InteropServices;
//using Microsoft.Rtc.Collaboration.Sample.Common;
namespace UserPresence
class UCMASampleInstantMessagingCall
#region Locals
// The information for the conversation and the far end participant.
// Subject of the conversation; will appear in the center of the title bar of the
// conversation window if Microsoft Lync is the far end client.
private static String _conversationSubject = "The Microsoft Lync Server!";
// Priority of the conversation will appear in the left corner of the title bar of the
// conversation window if Microsoft Lync is the far end client.
private static String _conversationPriority = ConversationPriority.Urgent;
// The Instant Message that will be sent to the far end.
private static String _messageToSend = "Hello World! I am a bot, and will echo whatever you type. " +
"Please send 'bye' to end this application.";
private InstantMessagingCall _instantMessaging;
private InstantMessagingFlow _instantMessagingFlow;
//private ApplicationEndpoint _applicationEndpoint;
private UserEndpoint _userendpoint;
private UCMASampleHelper _helper;
private static SqlDependency dependency;
private static string connectionString = @"Data Source=MyServer;Initial Catalog=MyDatabase;Integrated Security=SSPI";
// Event to notify application main thread on completion of the sample.
private AutoResetEvent _sampleCompletedEvent = new AutoResetEvent(false);
#endregion
#region Methods
/// <summary>
/// Instantiate and run the InstantMessagingCall quickstart.
/// </summary>
/// <param name="args">unused</param>
//private string _helper;
//UCMASampleHelper _helper = new UCMASampleHelper();
public static void Main(string[] args)
UCMASampleInstantMessagingCall ucmaSampleInstantMessagingCall =
new UCMASampleInstantMessagingCall();
var connection = new SqlConnection(connectionString);
SqlDependency.Start(connectionString);
SqlConnection connection = new SqlConnection(connectionString);
connection.Open();
SqlCommand command = new SqlCommand(
"select col1 from dbo.tblTest",
connection);
// Create a dependency (class member) and associate it with the command.
dependency = new SqlDependency(command, null, 5);
// Subscribe to the SqlDependency event.
dependency.OnChange += new OnChangeEventHandler(onDependencyChange);
// start dependency listener
SqlDependency.Start(connectionString);
//ucmaSampleInstantMessagingCall.Run();
private static void onDependencyChange(Object o, SqlNotificationEventArgs args)
run();
private void Run()
// Initialize and startup the platform.
Exception ex = null;
try
// Create the UserEndpoint
_helper = new UCMASampleHelper();
_userendpoint = _helper.CreateEstablishedUserEndpoint();
Console.Write("The User Endpoint owned by URI: ");
Console.Write(_userendpoint.OwnerUri);
Console.WriteLine(" is now established and registered.");
List<string> _Users = new List<string>();
_Users.Add("sip:[email protected]");
_Users.Add("sip:[email protected]");
foreach (string useruri in _Users)
// Setup the conversation and place the call.
ConversationSettings convSettings = new ConversationSettings();
convSettings.Priority = _conversationPriority;
convSettings.Subject = _conversationSubject;
// Conversation represents a collection of modes of communication
// (media types)in the context of a dialog with one or multiple
// callees.
//Convers conver =new ConversationParticipant
Conversation conversation = new Conversation(_userendpoint, convSettings);
InstantMessagingCall _instantMessaging = new InstantMessagingCall(conversation);
// Call: StateChanged: Only hooked up for logging. Generally,
// this can be used to surface changes in Call state to the UI
_instantMessaging.StateChanged += this.InstantMessagingCall_StateChanged;
// Subscribe for the flow created event; the flow will be used to
// send the media (here, IM).
// Ultimately, as a part of the callback, the messages will be
// sent/received.
_instantMessaging.InstantMessagingFlowConfigurationRequested +=
this.InstantMessagingCall_FlowConfigurationRequested;
// Get the sip address of the far end user to communicate with.
//String _calledParty = "sip:" +
// UCMASampleHelper.PromptUser(
// "Enter the URI of the user logged onto Microsoft Lync, in the User@Host format => ",
// "RemoteUserURI");
// Place the call to the remote party, without specifying any
// custom options. Please note that the conversation subject
// overrides the toast message, so if you want to see the toast
// message, please set the conversation subject to null.
// _instantMessaging.Conversation()
_instantMessaging.BeginEstablish(useruri, new ToastMessage("Hello Toast"), null,
CallEstablishCompleted, _instantMessaging);
catch (InvalidOperationException iOpEx)
// Invalid Operation Exception may be thrown if the data provided
// to the BeginXXX methods was invalid/malformed.
// TODO (Left to the reader): Write actual handling code here.
ex = iOpEx;
finally
if (ex != null)
// If the action threw an exception, terminate the sample,
// and print the exception to the console.
// TODO (Left to the reader): Write actual handling code here.
Console.WriteLine(ex.ToString());
Console.WriteLine("Shutting down platform due to error");
_helper.ShutdownPlatform();
// Wait for sample to complete
_sampleCompletedEvent.WaitOne();
// Just to record the state transitions in the console.
void InstantMessagingCall_StateChanged(object sender, CallStateChangedEventArgs e)
Console.WriteLine("Call has changed state. The previous call state was: " + e.PreviousState +
"and the current state is: " + e.State);
// Flow created indicates that there is a flow present to begin media
// operations with, and that it is no longer null.
public void InstantMessagingCall_FlowConfigurationRequested(object sender,
InstantMessagingFlowConfigurationRequestedEventArgs e)
Console.WriteLine("Flow Created.");
_instantMessagingFlow = e.Flow;
// Now that the flow is non-null, bind the event handlers for State
// Changed and Message Received. When the flow goes active,
// (as indicated by the state changed event) the program will send
// the IM in the event handler.
_instantMessagingFlow.StateChanged += this.InstantMessagingFlow_StateChanged;
// Message Received is the event used to indicate that a message has
// been received from the far end.
_instantMessagingFlow.MessageReceived += this.InstantMessagingFlow_MessageReceived;
// Also, here is a good place to bind to the
// InstantMessagingFlow.RemoteComposingStateChanged event to receive
// typing notifications of the far end user.
_instantMessagingFlow.RemoteComposingStateChanged +=
this.InstantMessagingFlow_RemoteComposingStateChanged;
private void InstantMessagingFlow_StateChanged(object sender, MediaFlowStateChangedEventArgs e)
Console.WriteLine("Flow state changed from " + e.PreviousState + " to " + e.State);
// When flow is active, media operations (here, sending an IM)
// may begin.
if (e.State == MediaFlowState.Active)
// Send the message on the InstantMessagingFlow.
_instantMessagingFlow.BeginSendInstantMessage(_messageToSend, SendMessageCompleted,
_instantMessagingFlow);
private void InstantMessagingFlow_RemoteComposingStateChanged(object sender,
ComposingStateChangedEventArgs e)
// Prints the typing notifications of the far end user.
Console.WriteLine("Participant "
+ e.Participant.Uri.ToString()
+ " is "
+ e.ComposingState.ToString()
private void InstantMessagingFlow_MessageReceived(object sender, InstantMessageReceivedEventArgs e)
// On an incoming Instant Message, print the contents to the console.
Console.WriteLine(e.Sender.Uri + " said: " + e.TextBody);
// Shutdown if the far end tells us to.
if (e.TextBody.Equals("bye", StringComparison.OrdinalIgnoreCase))
// Shutting down the platform will terminate all attached objects.
// If this was a production application, it would tear down the
// Call/Conversation, rather than terminating the entire platform.
_instantMessagingFlow.BeginSendInstantMessage("Shutting Down...", SendMessageCompleted,
_instantMessagingFlow);
_helper.ShutdownPlatform();
_sampleCompletedEvent.Set();
else
// Echo the instant message back to the far end (the sender of
// the instant message).
// Change the composing state of the local end user while sending messages to the far end.
// A delay is introduced purposely to demonstrate the typing notification displayed by the
// far end client; otherwise the notification will not last long enough to notice.
_instantMessagingFlow.LocalComposingState = ComposingState.Composing;
Thread.Sleep(2000);
//Echo the message with an "Echo" prefix.
_instantMessagingFlow.BeginSendInstantMessage("Echo: " + e.TextBody, SendMessageCompleted,
_instantMessagingFlow);
private void CallEstablishCompleted(IAsyncResult result)
InstantMessagingCall instantMessagingCall = result.AsyncState as InstantMessagingCall;
Exception ex = null;
try
instantMessagingCall.EndEstablish(result);
Console.WriteLine("The call is now in the established state.");
catch (OperationFailureException opFailEx)
// OperationFailureException: Indicates failure to connect the
// call to the remote party.
// TODO (Left to the reader): Write real error handling code.
ex = opFailEx;
catch (RealTimeException rte)
// Other errors may cause other RealTimeExceptions to be thrown.
// TODO (Left to the reader): Write real error handling code.
ex = rte;
finally
if (ex != null)
// If the action threw an exception, terminate the sample,
// and print the exception to the console.
// TODO (Left to the reader): Write real error handling code.
Console.WriteLine(ex.ToString());
Console.WriteLine("Shutting down platform due to error");
_helper.ShutdownPlatform();
private void SendMessageCompleted(IAsyncResult result)
InstantMessagingFlow instantMessagingFlow = result.AsyncState as InstantMessagingFlow;
Exception ex = null;
try
instantMessagingFlow.EndSendInstantMessage(result);
Console.WriteLine("The message has been sent.");
catch (OperationTimeoutException opTimeEx)
// OperationFailureException: Indicates failure to connect the
// IM to the remote party due to timeout (called party failed to
// respond within the expected time).
// TODO (Left to the reader): Write real error handling code.
ex = opTimeEx;
catch (RealTimeException rte)
// Other errors may cause other RealTimeExceptions to be thrown.
// TODO (Left to the reader): Write real error handling code.
ex = rte;
finally
// Reset the composing state of the local end user so that the typing notifcation as seen
// by the far end client disappears.
_instantMessagingFlow.LocalComposingState = ComposingState.Idle;
if (ex != null)
// If the action threw an exception, terminate the sample,
// and print the exception to the console.
// TODO (Left to the reader): Write real error handling code.
Console.WriteLine(ex.ToString());
Console.WriteLine("Shutting down platform due to error");
_helper.ShutdownPlatform();
#endregion
So i want to call run method when new entry is added in the database . and this application is not like any asp.net form application . In form application we display data when programs loads as like your RefreshDataWithSqlDependency
function . But in my application my application will run (send IM) when any new entry is added in the database . As I need running application to achieve notification , what kind of changes are required?

Using Parallelism, Cache with Oracle Applications Core Tables

Hi all,
I want to know if i can put some tables in parallel and some tables in cache in an Oracle Applications enviroment without any problem. The precedure to change these tables are equal to a single database? Just use command like "ALTER TABLE table_name PARALLEL......"
Do i need to change anything at Applications Level after these changes that i will made on these tables?
Tks,
Paulo

You can cache read-only PL/SQL stored procedures in the DB Cache. I'm not sure about db built-in packages, but if they are read-only, should be ok.
All DB Cache management functionality is available from DBA Studio. You can also use the supplied dbms_icache PL/SQL package to manage the cache. Refer to the DB Cache Concepts & Admin Guide for details.
DB Cache is strictly a cache for read-only queries. All updates are passed to the origin db.

How to disable caching for pcui applications

Somehow the PCUI applications are cached and when we go to some opportunity and come back to the previous one,
we can still see the changed data which is not actually saved to the Box but if we refresh the page it will go off.
If we click on save, and if it has some error ,it wont save the opportunity but the changed data remains in the page something like Work protect in Portal.Couldnt find any options in portal and disabling cache for Iview didnt help.How can we disable the PCUI or Sever cache so that the unsaved data goes off..
George

Hello George,
This can be done in two ways, one you can use transaction CRM_BSP_STATE_
ERASE and delete all the previous states.
Otherwise please append crm_bsp_restore=FALSE in the URL. This is
explained in SAP Cookbook. Please have a look at the same. Kindly let
me know for more information on the same.
This issue happens
because of state manager which saves the state for individual
application and individual user . This can be switched off by adding
a URL parameter "CRM_BSP_RESTORE=FALSE" in the query string.
Kindly please reffer the cook book for further detail.
Can you please try this & check if this helps.
Thanks & Regards,
Bhavya

Implementing OAM - SSO for Multiple Applications

I am trying to implement OAM - SSO for 2 applications. I already have completed the setup of SSO for one application . OID -- OAM -- OHS ( 11g webgate ) - Weblogic Server - OBIEE . ( All the components are 11.1.1.5 version ).
Now I am looking to add a 2nd application ( OBIEE 11.1.1.6.5 version ) into the mix. So should I install a separate OHS and webgate for the new application or can I use the existing OHS to add another application.
Any tips on this would be helpful please.
Thanks

You may use the same OHS server in reverse proxy to the two applications and configure corresponding policies in OAM console.
Let us know if you get into any issues.

Use 1 listener for multiple database in a server

hi guys,
just want to check whether this is the right way to configure my Listener.ORA . I am using 1 listener.ora to listen for incoming request connection from remote client. There are multiple databases installed in a server.
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = ora03)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = O11R2)
(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db_1)
(SID_NAME = O11R2)
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = O10G)
(ORACLE_HOME = /oracle/app/oracle/product/10.2.0/db_1)
(SID_NAME = O10G)
)sorry i am reading about it so did not install another database to test out. Just thinking in the line that it mention that the list of SID is refering to the multiple database that is installed in a server and i am using 1 listener.
Please further advice.

Shivananda Rao wrote:
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = ora03)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = O11R2)
(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db_1)
(SID_NAME = O11R2)
(SID_DESC =
(GLOBAL_DBNAME = O10G)
(ORACLE_HOME = /oracle/app/oracle/product/10.2.0/db_1)
(SID_NAME = O10G)
)Please use as above. You can have one listener for multiple databases.right right so it the pattern goes like this:
SID_LIST_LISTENER =
     (SID_LIST =
          (SID_DESC =
          (GLOBAL_DBNAME = AAAA)
          (ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db_1)
          (SID_NAME = AAAA)
          (SID_DESC =
          (GLOBAL_DBNAME = BBBB)
          (ORACLE_HOME = /oracle/app/oracle/product/10.2.0/db_1)
          (SID_NAME = BBBB)
     )thanks !

How do I use same MDB for multiple Queues? Deployment ?

 Here is what I am trying to do
 I have written one MDB that I want to use for multiple queues. I have seen posting
 mentioning that code a new weblogic-ejb-jar.xml to define other queues as the
 solution.
 Is there any other work around?
 I want to add queues in future as and when needed. I don't want to modify the
 already deployed jar to replace it with new weblogic-ejb-jar.xml everytime I have
 to add another queue for the message-driven-bean. Is is possible to use some kind
 of reference tag and just put weblogic-ejb-jar.xml in a new jar file and deply
 that every time I have a new queue to use for this MDB ( I don't think so, but
 again ???).
 Any help would be greatly appreciated.
 Chris


Sorry -- that's the only solution for now.
 greg
 "Chris" <[email protected]> wrote in message
 news:[email protected]..
 >
 > Here is what I am trying to do
 >
 > I have written one MDB that I want to use for multiple queues. I have seen
 posting
 > mentioning that code a new weblogic-ejb-jar.xml to define other queues as
 the
 > solution.
 >
 > Is there any other work around?
 >
 > I want to add queues in future as and when needed. I don't want to modify
 the
 > already deployed jar to replace it with new weblogic-ejb-jar.xml everytime
 I have
 > to add another queue for the message-driven-bean. Is is possible to use
 some kind
 > of reference tag and just put weblogic-ejb-jar.xml in a new jar file and
 deply
 > that every time I have a new queue to use for this MDB ( I don't think so,
 but
 > again ???).
 >
 > Any help would be greatly appreciated.
 >
 > Chris

Using one library for multiple computers and accounts (not store accounts)

Okay, we currently have four macs in the house. One was recently bought: i7 iMac (late 2009), another is dying: (mid 2005 iMac), another is going somewhere else: (late 2006 iMac) and another is a laptop: C2D MBP (late 2008). We might add another computer into the mix some time later.
Anyway, what I want to do is have one iTunes library which all of the computers can access (even guest's/friend's computers). We have a Time Capsule, and as I have heard one can make the TC the HDD for the iTunes library, I thought it best for it to be there.
The only thing is, how can each computer (and the possible multiple accounts) each access the same library, without duplicating and messing anything up? Is that possible? If it is too hard for multiple computers to do this, I would still want the (late 2009) iMac to be able to use the same library for the two accounts on it.
Thanks.

Make sure everything you want to share is on the centralized drive (music, video, and books, but if any of you have mobile devices, keep the apps on your local drive). Mount the drive on your computer. (Remember, from now on you must do this before starting iTunes.) If iTunes isn't running, start it now.
At the moment iTunes thinks the library is on the local computer and has all the music on it so that has to be changed. Click on Music in the left window pane, select all, and delete. This deletes all the music from the library and, if you choose, from the computer too. (Until you are sure this set-up is to your liking, don't delete the music from the drive.) Now go to Preferences and select the Advanced tab. Set iTunes to look at the music folder on your shared drive. And finally, select File>Add to Library to repopulate your iTunes library. This could take a while if you have a large music collection.
Since you changed the music location, anything that is added to one person's library will be saved onto the shared drive so it isn't too much of a hassle to manually add music. You'll have to rebuild playlists which is a minor hassle but it’s a one time deal.

Install Boot Camp/OS X on SSD disk, use internal harddrive for storing applications for Boot Camp

Hello everyone!
I have a SSD drive that I have installed Yosemite on and have the following question:
I have an iMac with an external SSD disk on 250 GB that I have connected in a thunderbolt enclosure and have an internal hard drive on 500 GB SATA drive.
First I wonder if it's possible to have a dual boot on OS X and Boot Camp on my SSD disk?
But here comes the tricky part. I want to have my internal hard drive (500 GB) on my iMac to use some sharing to Windows.
So my idea is just boot to Boot Camp and use my internal hard drive, that I want to partition to two parts (one partition for OS X and one partition for Windows) to have the applications (like games/user applications) installed on so I don't fill up my SSD drive with all that data. I just want to have the SSD disk to boot in and use the speed for the Boot Camp system.
I also have file vault activated on Yosemite and want to have encryption activated on both volumes (OS X/ Boot Camp) so it's secured.
So is this idea possible to do or do I need to have all the user applications / games installed directly to my Boot Camp partition?
Sorry for my grammar, hope you understand what I want to do. If not I will try to explain better and more detailed if needed.
Thanks so much in advanced!

Trendchaser wrote:
Hello everyone!
I have a SSD drive that I have installed Yosemite on and have the following question:
I have an iMac with an external SSD disk on 250 GB that I have connected in a thunderbolt enclosure and have an internal hard drive on 500 GB SATA drive.
First I wonder if it's possible to have a dual boot on OS X and Boot Camp on my SSD disk?
Please see http://bleeptobleep.blogspot.com/2013/02/mac-install-windows-7-or-8-on-external. html for installing on an external Thunderbolt disk.
But here comes the tricky part. I want to have my internal hard drive (500 GB) on my iMac to use some sharing to Windows.
So my idea is just boot to Boot Camp and use my internal hard drive, that I want to partition to two parts (one partition for OS X and one partition for Windows) to have the applications (like games/user applications) installed on so I don't fill up my SSD drive with all that data. I just want to have the SSD disk to boot in and use the speed for the Boot Camp system.
You can create a FAT/exFAT partition via Disk Utility on the 500GB SATA disk. After Windows is installed, format this partition to NTFS from Windows, and use it as Windows D: (or appropriate drive letter depending on your environment) and install Games/Applications. Be careful with the read-only HFS partitions which get drive letters assigned automatically. This partition cannot be resized using Windows tools or OSX Disk tools.
I also have file vault activated on Yosemite and want to have encryption activated on both volumes (OS X/ Boot Camp) so it's secured.
FV2 (and any other CoreStorage volumes) are unreadable in Windows. Only HFS+ volumes are supported by the Apple read-only HFS driver provided by BC drivers. Windows volumes require BitLocker encryption, FV2 cannot be used for such volumes.

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