Rsync Copy Job Best Practices for SAN to SAN - px12-450r

When setting up an rsycn copy job from one px12-450r to another which protocal is preferred for sending and receiving sides?
In other words, I have configured the copy jobs and it will not allow rsync as protocal on both sides. Currently I have rsync on sending side and windows file sharing on recieving side. Is this correct? Or vice versa? Any advice is appreciated! Oh, this is copying over WAN.
Thanks.

Thanks for your response. I do have rysnc enabled on both SANs under Protocols. It's when setting up the "copy job" that I recieve an error stating "The rsync protocal cannot be used in both source and destination devices".

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Best practice for copying help...

I am creating a webhelp project to be accessed from an internal homegrown intranet app(by clicking on a help button within the app it fires up the help screens in a new window).... I published the help out to a network share however now in testing opening this from my app it takes a long time to fire up the new window...
Is there a best practice for this type of scenario?? Do I need a way to copy the help project down locally for each user? If so what is the best technique being that they are accessing the help in a webapp not a winapp?
Thanks!

Hi there
Typically you leave WebHelp on a server and access it from wherever. That's the beauty of it.
You might begin by creating a simple shortcut or hyperlink from your desktop to open the help. Check the time it takes. If it opens really fast, you know there is an issue to be addressed with the way your application is opening it.
Cheers... Rick
Helpful and Handy Links
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RoboHelp eBooks

ASM on SAN datafile size best practice for performance?

Is their a 'Best Practice' for datafile size for performance?
In our current production, we have 25GB datafiles for all of our tablespaces in ASM on 10GR1, but was wondering what the difference would be if I used say 50GB datafiles? Is 25GB a kind of mid point so the data can be striped across multiple datafiles for better performance?

We will be using Redhat Linux AS 4 update u on 64-bit AMD Opterons. The complete database will be on ASM...not the binarys though. All of our datafiles we have currently in our production system are all 25GB files. We will be using RMAN-->Veritas Tape backup and RMAN-->disk backup. I just didn't know if anybody out there was using smallfile tablespaces using 50GB datafiles or not. I can see that one of our tablespaces will prob be close to 4TB.

Best practice for server configuration for iTunes U

Hello all, I'm completely new to iTunes U, never heard of this until now and we have zero documentation on how to set it up. I was given the task to look at best practice for setting up the server for iTunes U, and I need your help.
*My first question*: Can anyone explains to me how iTunes U works in general? My brief understanding is that you design/setup a welcome page for your school with sub categories like programs/courses, and within that you have things like lecture audio/video files and students can download/view them on iTunes. So where are these files hosted? Is it on your own server or is it on Apple's server? Where & how do you manage the content?
*2nd question:* We have two Xserve(s) sitting in our server room ready to roll, my question is what is the best method to configure them so it meets our need of "high availability in active/active mode, load balancing, and server scaling". Originally I was thinking about using a 3rd party load balancing device to meet these needs, but I was told there is no budget for it so this is not going to happen. I know there is IP Failover but one server has to sit in standby mode which is a waste. So the most likely scenario is to setup DNS round robin and put both xserves in active/active. My question now is (this maybe related to question 1), say that all the content data like audio/video files are stored by us, (We are going to link a portion of our SAN space to Xserve for storage), if we are going with DNS round robin and put the 2 servers in Active/Active mode, can both servers access a common shared network space? or is this not possible and each server must have its own storage space? And therefore I must use something like RSYNC to make sure contents on both servers are identical? Should I use XSAN or is RSYNC good enough?
Since I have no experience with iTunes U whatsoever, I hope you understand my questions, any advice and suggestion are most welcome, thanks!

Raja Kondar wrote:
wht is the Best Practice for having server pool i.e
1) having a single large serverpool consisting of "n" number of guest vm
2) having a multiple small serverpool consisting of less of number of guest vm I prefer option 1, as this gives me the greatest amount of resources available. I don't have to worry about resources in smaller pools. It also means there are more resources across the pool for HA purposes. Not sure if this is Official Best Practice, but it is a simpler configuration.
Keep in mind that a server pool should probably have up to 20 servers in it: OCFS2 starts to strain after that.

Best practice for multi-language content in common areas

I've got a site with some text in header/footer/nav that needs to be translated between an English and Spanish site, which use the same design. My intention was to set up all the text as content to facilitate. However, if I use a standard dialog with the component's path set to a child of the current page node, I would need to re-enter the text on every page. If I use a design dialog, or a standard dialog with the component's path set absolutely, the Engilsh and Spanish sites will share the same text. If I use a standard dialog with the component's path set relatively (eg path="../../jcr:content/myPath"), the pages using the component would all need to be at the same level of the hierarchy.
It appears that the Geometrixx demo doesn't address this situation, and leaves copy in English. Is there a best practice for this scenario?

I'm finding that something to the effect of <cq:include path="<%= strCommonContentPath + "codeEntry" %>" resourceType ...
works fine for most components, but not for parsys, or a component containing a parsys. When I attempt that, I get a JS error that says "design.path is null or not an object". Is there a way around this?

Best Practices For Household IOS's/Apple IDs

Greetings:
I've been searching support for best practices for sharing primarily apps, music and video among multple iOS's/Apple IDs. If there is a specific article please point me to it.
Here is my situation:
We currently have 3 iPads (2-kids, 1-dad) in the household and one iTunes account on a win computer. I previously had all iPads on single Apple ID/credit card and controlled the kids' downloads thru the Apple ID password that I kept secret. As the kids have grown older, I found myself constantly entering my password as the kids increased there interest in music/apps/video. I like this approach because all content was shared...I dislike because I was constantly asked to input password for all downloads.
So, I recently set up an individual account for them with the allowance feature at iTunes that allows them to download content on their own (I set restrictions on their iPads). Now I have 3 Apple IDs under one household.
My questions:
With the 3 Apple IDs, what is the best way to share apps,music, videos among myself and the kids? Is it multiple accounts on the computer and some sort of sharing?
Thanks in advance...

Hi Bonesaw1962,
We've had our staff and students run iOS updates OTA via Settings -> Software Update. In the past, we put a DNS block on Apple's update servers to prevent users from updating iOS (like last fall when iOS 7 was first released). By blocking mesu.apple com, the iPads weren't able to check for or install any iOS software updates. We waited until iOS 7.0.3 was released before we removed the block to mesu.apple.com at which point we told users if they wanted to update to iOS 7 they could do so OTA. We used our MDM to run reports periodically to see how many people updated to iOS 7 and how many stayed on iOS 6. As time went on, just about everyone updated on their own.
If you go this route (depending on the number of devices you have), you may want to take a look at Caching Server 2 to help with the network load https://www.apple.com/osx/server/features/#caching-server . From Apple's website, "When a user on your network downloads new software from Apple, a copy is automatically stored on your server. So the next time other users on your network update or download that same software, they actually access it from inside the network."
I wish there was a way for MDMs to manage iOS updates, but unfortunately Apple hasn't made this feature available to MDM providers. I've given this feedback to our Apple SE, but haven't heard if it is being considered or not. Keeping fingers crossed.
Hope this helps. Let us know what you decide on and keep us posted on the progress. Good luck!!
~Joe

Best Practices for Using Photoshop (and Computing in General)

I've been seeing some threads that lead me to realize that not everyone knows the best practices for doing Photoshop on a computer, and in doing conscientious computing in general. I thought it might be a good idea for those of us with some exprience to contribute and discuss best practices for making the Photoshop and computing experience more reliable and enjoyable.
It'd be great if everyone would contribute their ideas, and especially their personal experience.
Here are some of my thoughts on data integrity (this shouldn't be the only subject of this thread):
Consider paying more for good hardware. Computers have almost become commodities, and price shopping abounds, but there are some areas where spending a few dollars more can be beneficial. For example, the difference in price between a top-of-the-line high performance enterprise class hard drive and the cheapest model around with, say, a 1 TB capacity is less than a hundred bucks! Disk drives do fail! They're not all created equal. What would it cost you in aggravation and time to lose your data? Imagine it happening at the worst possible time, because that's exactly when failures occur.
Use an Uninterruptable Power Supply (UPS). Unexpected power outages are TERRIBLE for both computer software and hardware. Lost files and burned out hardware are a possibility. A UPS that will power the computer and monitor can be found at the local high tech store and doesn't cost much. The modern ones will even communicate with the computer via USB to perform an orderly shutdown if the power failure goes on too long for the batteries to keep going. Again, how much is it worth to you to have a computer outage and loss of data?
Work locally, copy files elsewhere. Photoshop likes to be run on files on the local hard drive(s). If you are working in an environment where you have networking, rather than opening a file right off the network, then saving it back there, consider copying the file to your local hard drive then working on it there. This way an unexpected network outage or error won't cause you to lose work.
Never save over your original files. You may have a library of original images you have captured with your camera or created. Sometimes these are in formats that can be re-saved. If you're going to work on one of those files (e.g., to prepare it for some use, such as printing), and it's a file type that can be overwritten (e.g., JPEG), as soon as you open the file save the document in another location, e.g., in Photoshop .psd format.
Save your master files in several places. While you are working in Photoshop, especially if you've done a lot of work on one document, remember to save your work regularly, and you may want to save it in several different places (or copy the file after you have saved it to a backup folder, or save it in a version management system). Things can go wrong and it's nice to be able to go back to a prior saved version without losing too much work.
Make Backups. Back up your computer files, including your Photoshop work, ideally to external media. Windows now ships with a quite good backup system, and external USB drives with surprisingly high capacity (e.g., Western Digital MyBook) are very inexpensive. The external drives aren't that fast, but a backup you've set up to run late at night can finish by morning, and if/when you have a failure or loss of data. And if you're really concerned with backup integrity, you can unplug an external drive and take it to another location.
This stuff is kind of "motherhood and apple pie" but it's worth getting the word out I think.
Your ideas?
-Noel

APC Back-UPS XS 1300. $169.99 at Best Buy.
Our power outages here are usually only a few seconds; this should give my server about 20 or 25 minutes run-time.
I'm setting up the PowerChute software now to shut down the computer when 5 minutes of power is left. The load with the monitor sleeping is 171 watts.
This has surge protection and other nice features as well.
-Noel

Best practice for iTunes' music folder

i keep my music on an external drive, but want itunes to be able to play the songs.
currently, the itunes music folder is set to its default location. i changed the preference to prevent iTunes from copying music to this location. i added music to iTunes using File | 'Add folder to Library' menu.
my friend, who also has his music on an external drive, set his itunes music folder to the Music folder on his external drive.
what are the differences between these two approaches? what are the issues?
is there a best practice for using iTunes w/ music stored on an external drive?
thanks for your time.
craig

Thanks Paul for helping
I am getting the symbol and can locate the song but it is very time consuming and I can't do whole albums .
I tried dragging the entire music folder into iTunes . Is this it , iTunes Music Library.xml ? These are all the files and folders I found
iTunes 3 Music Library Data file
iTunes 4 Music Library Data File
iTunes 4 Music Library (Old) Data File
iTunes Music folder
iTunes Music Library.xml document
Temp File Document
I unchecked the "Copy files to iTunes Music folder "
before I dragged the xml. doc into the iTunes symbol in the dock .
This seems to have made matters worse . Now I can't find the file at all except through the finder .
Remember this is 10.3.9 with v4.7
Powerbook Mac OS X (10.4.6) Panther eMac

Best Practice for a Print Server

What is the best practice for having a print server serving over 25 printers 10 of which are colour lasers and the rest black and white lasers.
Hardware
At the moment we have one server 2Ghz Dual G5 with 4GB Ram and xserve RAID. The server is also our main Open directory server, with about 400+ clients.
I want to order a new server and want to know the best type of setup for the optimal print server.
Thanks

Since print servers need RAM and spool space, but not a lot of processing power, I'd go with a Mac Mini packed with ram and the biggest HD you can get into it. Then load a copy of Xserver Tiger on it and configure your print server there.
Another option, if you don't mind used equipment, is to pick up an old G4 or G5 Xserve, load it up with RAM and disk space, and put tiger on that.
Good luck!
-Gregg

Best practice for hierarchical DTOs?

Hi!
Can someone tell me the best practice for hierarchical DTOs?
Use case: I've got a User object which holds one Folder object, which in turn holds a Set of Folder objects (children).
class User {
Folder rootFolder;
class Folder {
Set children;
}Normally, I'd fetch the user data with the help of a DAO from the database, copy the requested properties into a User-DTO, which will be transfered to the view. But what about the Folder objects?
Should I create a Folder-DTO class and copy each Folder property into the respective DTO object - in other words: rebuild the whole hierarchy? Or is there a better solution?
Thanks a lot!
Walter

Normally, I'd fetch the user data with the help of a
DAO from the database, copy the requested properties
into a User-DTO, which will be transfered to the view.
But what about the Folder objects?
Should I create a Folder-DTO class and copy each
Folder property into the respective DTO object - in
other words: rebuild the whole hierarchy? Or is there
a better solution?It isn't recursive right?
So this is just a standard association.
How you handle it depends on usage.
As a guess perhaps you are thinking that you can only have one User DTO class. That isn't true. You can have several. For example one that contains the association and one that does not.
Or you have just one. And either it contains the association or you provide another mechanism that returns just the association given a specific instance of a User DTO (or some other identifier to the specific User.)

Best practice for distributing/releasing J2EE applications.

Hi All,
We are developing a J2EE application and would like some information on the best
practices to be followed for distributing/releasing J2EE applications, in general.
In particular, the dilemma we have is centered around the generation of stub, skeleton
and additional classes for the application.
Most App. Servers can generate the required classes while deploying the EJBs in the
application i.e. at install time. While some ( BEA Weblogic and IBM Websphere are
two that we are aware of ) allow these classes to be generated before the installation
time and the .ear file containing the additional classes is the one that is uploaded.
For instance, say we have assembled the application "myapp.ear" . There are two ways
in which the classes can be generated. The first is using 'ejbc' ( assume we are
using BEA Weblogic ), which generates the stub, skeleton and additional classes for
the application and returns the file, say, "Deployable_myapp.ear" containing all
the necessary classes and files. This file is the one that is then installed. The
other option is to install the file "myapp.ear" and let the Weblogic App. server
itself, generate the required classes at the installation time.
If the first way, of 'pre-generating' the stubs is followed, does it require us to
separately generate the stubs for each versions of the App. Server that we support
? i.e. if we generate a deployable file having the required classes using the 'ejbc'
of Weblogic Ver5.1, can the same file be installed on Weblogic Ver6.1 or do we
have to generate a separate file?
If the second method, of 'install-time-generation' of stubs is used, what is the
nature/magnitude of the risk that we are taking in terms of the failure of the installation
Any links to useful resources as well as comments/suggestions will be appreciated.
TIA
Regards,
Aasif

Its much easier to distribute schema/data from an older version to a newer one than the other way around. Nearly all SQL Server deployment features supports database version upgrade, and these include the "Copy Database" wizard, BACKUP/RESTORE,
detach/attach, script generation, Microsoft Sync framework, and a few others.
EVEN if you just want to distribute schemas, you may want to distribute the entire database, and then truncate the tables to purge data.
Backing up and restoring your database is by far the most RELIABLE method of distributing it, but it may not be pratical in some cases because you'll need to generate a new backup every time a schema change occurs, but not if you already have an automated
backup/maintenance routine in your environment.
As an alternative, you can Copy Database functionality in SSMS, although it may present itself unstable in some situations, specially if you are distributing across multiple subnets and/or domains. It will also require you to purge data if/when applicable.
Another option is to detach your database, copy its files, and then attach them in both the source and destination instances. It will generate downtime for your detached databases, so there are better methods for distribution available.
And then there is the previously mentioned method of generating scripts for schema, and then using an INSERT statement or the import data wizard available in SSMS (which is very practical and implements a SSIS package internally that can be saved for repeated
executions). Works fine, not as practical as the other options, but is the best way for distributing databases when their version is being downgraded.
With all this said, there is no "best practice" for this. There are multiple features, each offering their own advantages and downfalls which allow them to align to different business requirements.

Best practices for gathering statistics in 10g

I would like to get some opinions on what is considered best practice for gathering statistics in 10g. I know that 10g has auto statistics gathering, but that doesn't seem to be very effective as I see some table stats are way out of date.
I have recommended that we have at least a weekly job that generates stats for our schema using DBMS_STATS (DBMS_STATS.gather_schema_stats). Is this the right approach to generate object stats for a schema and keep it up to date? Are index stats included in that using CASCADE?
Is it also necessary to gather system stats? I welcome any thoughts anyone might have. Thanks.

Hi,
Is this the right approach to generate object stats for a schema and keep it up to date? The choices of executions plans made by the CBO are only as good as the statistics available to it. The old-fashioned analyze table and dbms_utility methods for generating CBO statistics are obsolete and somewhat dangerous to SQL performance. As we may know, the CBO uses object statistics to choose the best execution plan for all SQL statements.
I spoke with Andrew Holsworth of Oracle Corp SQL Tuning group, and he says that Oracle recommends taking a single, deep sample and keep it, only re-analyzing when there is a chance that would make a difference in execution plans (not the default 20% re-analyze threshold).
I have my detailed notes here:
http://www.dba-oracle.com/art_otn_cbo.htm
As to system stats, oh yes!
By measuring the relative costs of sequential vs. scattered I/O, the CBO can make better decisons. Here are the data items collected by dbms_stats.gather_system_stats:
No Workload (NW) stats:
CPUSPEEDNW - CPU speed
IOSEEKTIM - The I/O seek time in milliseconds
IOTFRSPEED - I/O transfer speed in milliseconds
I have my notes here:
http://www.dba-oracle.com/t_dbms_stats_gather_system_stats.htm
Hope this helps. . . .
Don Burleson
Oracle Press author
Author of “Oracle Tuning: The Definitive Reference”
http://www.dba-oracle.com/bp/s_oracle_tuning_book.htm

Best Practice for Distributing Databases to Customers

I did a little searching and was surprised to not find a best practice document for how to distribute Microsoft SQL Databases. With other database formats, it's common to distribute them as scripts. It seems that feature is rather limited with the built-in
tools Microsoft provides. There appear to be limits to the length of the script. We're looking to distribute a database several GBs in size. We could detach the database or provide a backup, but that has its own disadvantages by limiting what versions
of the SQL Server will accept the database.
What do you recommend and can you point me to some documentation that handles this practice?
Thank you.

Its much easier to distribute schema/data from an older version to a newer one than the other way around. Nearly all SQL Server deployment features supports database version upgrade, and these include the "Copy Database" wizard, BACKUP/RESTORE,
detach/attach, script generation, Microsoft Sync framework, and a few others.
EVEN if you just want to distribute schemas, you may want to distribute the entire database, and then truncate the tables to purge data.
Backing up and restoring your database is by far the most RELIABLE method of distributing it, but it may not be pratical in some cases because you'll need to generate a new backup every time a schema change occurs, but not if you already have an automated
backup/maintenance routine in your environment.
As an alternative, you can Copy Database functionality in SSMS, although it may present itself unstable in some situations, specially if you are distributing across multiple subnets and/or domains. It will also require you to purge data if/when applicable.
Another option is to detach your database, copy its files, and then attach them in both the source and destination instances. It will generate downtime for your detached databases, so there are better methods for distribution available.
And then there is the previously mentioned method of generating scripts for schema, and then using an INSERT statement or the import data wizard available in SSMS (which is very practical and implements a SSIS package internally that can be saved for repeated
executions). Works fine, not as practical as the other options, but is the best way for distributing databases when their version is being downgraded.
With all this said, there is no "best practice" for this. There are multiple features, each offering their own advantages and downfalls which allow them to align to different business requirements.

Best practice for how to access a set of wsdl and xsd files

I've recently beeing poking around with the Oracle ESB, which requires a bunch of wsdl and xsd files from HOME/bpel/system/xmllib. What is the best practice for including these files in a BPEL project? It seems like a bad idea to copy all these files into every project that uses the ESB, especially if there are quite a few consumers of the bus. Is there a way I can reference this directory from the project so that the files can just stay in a common place for all the projects that use them?
Bret

Hi,
I created a project (JDeveloper) with local xsd-files and tried to delete and recreate them in the structure pane with references to a version on the application server. After reopening the project I deployed it successfully to the bpel server. The process is working fine, but in the structure pane there is no information about any of the xsds anymore and the payload in the variables there is an exception (problem building schema).
How does bpel know where to look for the xsd-files and how does the mapping still work?
This cannot be the way to do it correctly. Do I have a chance to rework an existing project or do I have to rebuild it from scratch in order to have all the references right?
Thanks for any clue.
Bette

Best Practice for Updating children UIComponents in a Container?

What is the best practice for updating children UIComponents in response to a Container being changed? For instance, when a Canvas is resized, I would like to update all the children UIComponents height and width so the content scales properly.
Right now I am trying to loop over the children calling InvalidateProperties, InvalidateSize, and InvalidateDisplayList on each. I know some of the Containers such as VBox and HBox have layout managers, is there a way to leverage something like that?
Thanks.

you would only do that if it makes your job easier. generally speaking, it would not.
when trying to sync sound and animation i think most authors find it easiest to use graphic symbols because you can see their animation when scrubbing the main timeline. with movieclips you only see their animation when testing.
however, if you're going to use actionscript to control some of your symbols, those symbols should be movieclips.

Rsync Copy Job Best Practices for SAN to SAN - px12-450r

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