Understanding desktop 'volumes' and packages

I'm a newbie to mac and their are a couple of concepts in the file system that are new to me.
1. Volumes? ... when I've downloaded some apps, they are delivered as an icon on my desktop. The icon appears to be a picture of an external memory storage device and inspecting its info shows that it's a "volume". And instead of being deleted when moved to trash, it's dismounted.
Great, I understand the basic concept of a volume as a virtual device, but my attempts to find out about this particular entity (the one used to deliver software) yeild a lot of stuff about disk partitions (which require reformatting a disk), XSAN volumes (which don't seem to be this thing I see) ... and of course audio volume.
At any rate, this entity looks like something I might want to use to organize my files (in particular...it seems like a good place to put my legacy files from my old PC) ... so I'd like to find out more about it ... but I'll be damned if I can find anything that talks about what these kind of volumes are and how to use and create them.
2.Folder as 'package'. - encapsulating files and scripts inside of a folder as a package is a new concept to me and I'd like to understand more about it. I just downloaded openoffice, and it's packaged this way. I know how to look inside the package with the finder ... though the contents appears to be hidden from spotlight searches ... probably desired most of the time ... but surely there is a way to tell spotlight searches to look inside of packages for hits, should the need arise.
A reference to the basics about either of these two concepts would be greatly appreciated.
MacPro Mac OS X (10.4.8)

Hello fiddleaway, welcome to Macland,
This will help explain disk images:
http://en.wikipedia.org/wiki/.dmg
This will help explain packages:
http://en.wikipedia.org/wiki/Software_package
At any rate, this entity looks like something I might want to use to organize my files (in particular...it seems like a good place to put my legacy files from my old PC)
Yes, you can create .dmgs in Disk Utility by using the "New image" icon.
This Apple support article will explain how to create a disk image and encrypt it, if you want to:
http://docs.info.apple.com/article.html?artnum=107333
-mj
[email protected]

Similar Messages

Understanding replica volume and recovery point volume usage with SQL Express Full Backup

I am running some trials to test DPM 2012 R2's suitability for protection a set of SQL Server databases and I am trying to understand what happens when I create a recovery point with Express Full Backup.
The databases use simple recovery model and in the tests I have made so far I have loaded more data into the databases between recovery points since that will be a typical scenario - the databases will grow over time. The database files are set to autogrowth
by 10%
I have been looking at the change in USED space in the replica volume and in the recovery point volume after new recovery points and have a hard time understanding it.
After the first test where data was loaded into the database and an Express Full Backup recovery point was created, I saw an increase in used space in the replica volume of 85 Gb and 29 GB in the recovery point volume. That is somewhat more than I think
the database grew (I realize that should have monitored that, but did not), but anyway it is not completely far out.
In the next test I did the same thing except I loaded twice as much data into the database.
Here is where it gets odd: This causes zero increased usage in the replica volume and 33 GB increased use in the recovery point volume.
I do not understand why the replica volume use increases with some recovery points and not with others.
Note that I am only discussing increased usage in the volumes - not actual volume growth. The volumes are still their original size.
I have been using 3-4 days on the test and the retention period is set to 12 days, so nothing should be expired yet.

Hi,
The replica volume usage represents the physical database file(s) size. The database file size on the replica should be equal to the database file size on the protected server. This is both .mdf and .ldf files. If when you load data
into the database and you overwrite current tables versus adding new ones, or if there is white space in the database files and the load simply uses that white space, then there will not be any increase in the file size, so there will not be any increase
in the replica used space.
The recovery point volume will only contain delta changes applied to the database files. As the changed blocks overwrite the files on the replica during express full backup, VSS (volsnap.sys) driver copies the old blocks about to be overwritten
to the recovery point volume before allowing the change to be applied to the file on the replica.
Hope this helps explain what you are seeing.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

" the volume for (file name) cannot be found. Insert the disk or connect to the server volume and wait for it to appear on the desktop, then try again."

I get an error message in iPhoto when I click on thumbnails of pictures in certain albums. It reads 'the volume for "(file name)" cannot be found. Insert the disk or connect to the server volume and wait for it to appear on the desktop, then try again.' What does this mean and how do I fix it?

It means that you imported the files in Referenced mode and have now remvoed them from the Mac. Put the disk or card back.
For more on iPhoto and file management see this User Tip:
https://discussions.apple.com/docs/DOC-6361

Volume and FF keys do not work on wireless keyboard

I replaced a wireless keyboard for my iMac today, and just noticed tonight that when I try to adjust the volume UP, it sends me to widgets, and when I try to adjust the volume DOWN, it dims the desktop behind my open window.
I've tried checking, and unchecking, the box in Preferences>Keyboard>Use all F1, F2, etc. as standard function keys. I've also gone to keyboard shortcuts and disabled F7 to F12. But no volume or rewind/ff etc.
How do I get my volume and rw/ff keys back? Thanks!

Also, I have attempted to submit a repair claim online as I have the Apple Care for the iMac but when I go to enter the Hardware Serial Number of the Keyboard in the Wireless Keyboard repair section, it does not recognize it.
Dustin,
Welcome to Apple Discussions.
I would recommend entering the computer's serial number not the keyboards. You can locate the computer by clicking the  in the upper left corner of your screen, clicking About this Mac, and where it states the Version click 2x until the serial number appears.
Regards,
Roger

My desktop crashed and I had to reinstall itunes how do I transfer all the apps and their information, music, and contacts from my iphone to the itunes software?

My desktop crashed and I had to reinstall itunes software. My iphone has all my apps with their data, contacts, photos, videos & music. How can I import all of the information and data on my iphone into itunes? I downloaded one app that is a to-do-list but it indicates that if I sync with my iphone I will lose all data on my iphone and it will be replaced with the data on itunes. I do not want to lose my data! I have a lot of information and I cannot understand why Apple would not have a way to restore my data from my iphone to my itunes. PLEASE HELP!

It should be like the very first time you synced your phone with I-Tunes. It will notice you haven't synced before and just copy everything from your phone into I-Tunes. It shouldn't delete anything from the phone, at least it never has for me. It just puts a copy of everything into I-Tunes and even if you delete an app for example from your phone and you decide you want it back later, you can just go back into I-Tunes and copy it back over. Hope this helps.

Difference between ASM Disk Group, ADVM Volume and ACFS File system

Q1. What is the difference between an ASM Disk Group and an ADVM Volume ?
To my mind, an ASM Disk Group is effectively a logical volume for Database files ( including FRA files ).
11gR2 seems to have introduced the concepts of ADVM volumes and ACFS File Systems.
An 11gR2 ASM Disk Group can contain :
ASM Disks
ADVM volumes
ACFS file systems
Q2. ADVM volumes appear to be dynamic volumes.
However is this therefore not effectively layering a logical volume ( the ADVM volume ) beneath an ASM Disk Group ( conceptually a logical volume as well ) ?
Worse still if you have left ASM Disk Group Redundancy to the hardware RAID / SAN level ( as Oracle recommend ), you could effectively have 3 layers of logical disk ? ( ASM on top of ADVM on top of RAID/SAN ) ?
Q3. if it is 2 layers of logical disk ( i.e. ASM on top of ADVM ), what makes this better than 2 layers using a 3rd party volume manager ( eg ASM on top of 3rd party LVM ) - something Oracle encourages against ?
Q4. ACFS File systems, seem to be clustered file systems for non database files including ORACLE_HOMEs, application exe's etc ( but NOT GRID_HOME, OS root, OCR's or Voting disks )
Can you create / modify ACFS file systems using ASM.
The oracle toplogy diagram for ASM in the 11gR2 ASM Admin guide, shows ACFS as part of ASM. I am not sure from this if ACFS is part of ASM or ASM sits on top of ACFS ?
Q5. Connected to Q4. there seems to be a number of different ways, ACFS file systems can be created ? Which of the below are valid methods ?
through ASM ?
through native OS file system creation ?
through OEM ?
through acfsutil ?
my head is exploding
Any help and clarification greatly appreciated
Jim

Q1 - ADVM volume is a type of special file created in the ASM DG. Once created, it creates a block device on the OS itself that can be used just like any other block device. http://docs.oracle.com/cd/E16655_01/server.121/e17612/asmfilesystem.htm#OSTMG30000
Q2 - the asm disk group is a disk group, not really a logical volume. It combines attributes of both when used for database purposes, as the database and certain other applications know how to talk "ASM" protocol. However, you won't find any general purpose applications that can do so. In addition, some customers prefer to deal directly with file systems and volume devices, which ADVM is made to do. In your way of thinking, you could have 3 layers of logical disk, but each of them provides different attributes and characteristics. This is not a bad thing though, as each has a slightly different focus - os file system\device, database specific, and storage centric.
Q3 - ADVM is specifically developed to extend the characteristics of ASM for use by general OS applications. It understands the database performance characteristics and is tuned to work well in that situation. Because it is developed in house, it takes advantage of the ASM design model. Additionally, rather than having to contact multiple vendors for support, your support is limited to calling Oracle, a one-stop shop.
Q4 - You can create and modify ACFS file systems using command line tools and ASMCA. Creating and modifying logical volumes happens through SQL(ASM), asmcmd, and ASMCA. EM can also be used for both items. ACFS sits on top of ADVM, which is a file in an ASM disk group. ACFS is aware of the characteristics of ASM\ADVM volumes, and tunes it's IO to make best use of those characteristics.
Q5 - several ways:
1) Connect to ASM with SQL, use 'alter diskgroup add volume' as Mihael points out. This creates an ADVM volume. Then, format the volume using 'mkfs' (*nix) or acfsformat (windows).
2) Use ASMCA - A gui to create a volume and format a file system. Probably the easiest if your head is exploding.
3) Use 'asmcmd' to create a volume, and 'mkfs' to format the ACFS file system.
Here is information on ASMCA, with examples:
http://docs.oracle.com/cd/E16655_01/server.121/e17612/asmca_acfs.htm#OSTMG94348
Information on command line tools, with examples:
Basic Steps to Manage Oracle ACFS Systems

Clean Install System 8.5 - Desktop Menu and Get Info??

Hello,
I'm helping an older lady with a clean install of system 8.5, upgrading from 7.5.3. on a 6214CD Performa. (I'm mostly using 7.6). To my suprise, with the full install (not custom), I'm not seeing several things in the Desktop Pull down menu - like for example Get Info, and some things under Views. Further the keystrokes I've used for 15 years like Apple "I" for "get info" don't work. What am I missing?
Secondly, I lost access to one partition on an external back-up hard drive by accidently using a 68k Disk Tools vs the new Disk Tools for 8.5 and the 603e processor. My question is, can I "initialize" only ONE partition or will Initialize attempt to re-do the whole SCSI hard drive, and go into the partitioning thing again?
Thanks
Lowell

Hi, Lowell -
Welcome to Apple's Discussions.
I'm not seeing several things....
Look in Finder's Preferences - it may be under the Edit menu when Finder is active, or in one of the control panels (it's been a long time since I was in OS 8.anything). Locate an item named Simple Finder, and uncheck it. The change should be immediate.
Can't help with the Disk Tools question, at least not directly...
Try running Drive Setup (or the OS 8 equivalent - can't recall its name - HD Setup?). If you can see and select that partition, you should be able to select either Mount Volume and/or Update Driver from one of its menus (the Functions menu in Drive Setup). Neither of those functions is destructive, and one or the other, or both, may be able to recover the ability to mount and access the partition.

Available APIs for process and package management

Hello All and welcome to my Hello All:
Welcome to my inaugural post. I am a complete noob to Solaris (although I have been using Linux for 5+ years) and am in the process of trying to get a handle on what local C/C++ APIs (if any) are available for management. Specifically, I am looking to find out about process and package management.
For process management, basically I would like to know is there some kind of interface to the the prstat application (ie. Memory and CPU utilization). Does something like this exist?
For package management, I am looking for the ability to add, remove, and query the package �database�. Correct me if I am wrong, but the Solaris package �database� seems similar to that of a Debian system (at least from the perspective that the informational files are stored as plain text in a well-defined directory [ie /var/sadm/pkg/]).
I have installed Solaris 10 on an x86 machine with a full installation; however, of the installed development kits (listed below) nothing jumped out at me.
-bash-3.00# ls -1d /var/sadm/pkg/*devel
/var/sadm/pkg/SUNWaspell-devel
/var/sadm/pkg/SUNWevolution-devel
/var/sadm/pkg/SUNWevolution-libs-devel
/var/sadm/pkg/SUNWgnome-a11y-base-devel
/var/sadm/pkg/SUNWgnome-a11y-libs-devel
/var/sadm/pkg/SUNWgnome-a11y-reader-devel
/var/sadm/pkg/SUNWgnome-a11y-speech-devel
/var/sadm/pkg/SUNWgnome-audio-devel
/var/sadm/pkg/SUNWgnome-base-libs-devel
/var/sadm/pkg/SUNWgnome-camera-devel
/var/sadm/pkg/SUNWgnome-common-devel
/var/sadm/pkg/SUNWgnome-component-devel
/var/sadm/pkg/SUNWgnome-config-devel
/var/sadm/pkg/SUNWgnome-desktop-prefs-devel
/var/sadm/pkg/SUNWgnome-file-mgr-devel
/var/sadm/pkg/SUNWgnome-hex-editor-devel
/var/sadm/pkg/SUNWgnome-img-editor-devel
/var/sadm/pkg/SUNWgnome-libs-devel
/var/sadm/pkg/SUNWgnome-media-devel
/var/sadm/pkg/SUNWgnome-panel-devel
/var/sadm/pkg/SUNWgnome-pilot-devel
/var/sadm/pkg/SUNWgnome-print-devel
/var/sadm/pkg/SUNWgnome-project-devel
/var/sadm/pkg/SUNWgnome-terminal-devel
/var/sadm/pkg/SUNWgnome-text-editor-devel
/var/sadm/pkg/SUNWgnome-vfs-devel
/var/sadm/pkg/SUNWgnome-wm-devel
/var/sadm/pkg/SUNWgnutls-devel
/var/sadm/pkg/SUNWjpg-devel
/var/sadm/pkg/SUNWlibexif-devel
/var/sadm/pkg/SUNWlibgcrypt-devel
/var/sadm/pkg/SUNWlibpopt-devel
/var/sadm/pkg/SUNWmozilla-devel
/var/sadm/pkg/SUNWmoznspr-devel
/var/sadm/pkg/SUNWmoznss-devel
/var/sadm/pkg/SUNWogg-vorbis-devel
/var/sadm/pkg/SUNWopenjade-devel
/var/sadm/pkg/SUNWopensp-devel
/var/sadm/pkg/SUNWpcsclite-devel
/var/sadm/pkg/SUNWpng-devel
/var/sadm/pkg/SUNWpostgr-devel
/var/sadm/pkg/SUNWPython-devel
/var/sadm/pkg/SUNWTiff-devel
I've placed orders for Solaris Internals and Solaris Performance & Tuning (that should arrive tomorrow), but I was hoping that someone could give me a gentle push (or perhaps a swift kick) in a general direction. :)
Thanks.

For process management, basically I would like to
know is there some kind of interface to the the
prstat application (ie. Memory and CPU utilization).
Does something like this exist?Not prstat (although you could 'truss' it and see some of what it's doing to collect the information). kstat is available with a C interface and through perl/shell. It has several CPU fields. It's certainly useful for monitoring, but read-only. I'm not sure what you're looking for in terms of "management".
Also 'dtrace' can provide tons of dynamic information, but that's not necessarily what you're looking for.
For package management, I am looking for the ability
to add, remove, and query the package �database�.
Correct me if I am wrong, but the Solaris package
�database� seems similar to that of a Debian system
(at least from the perspective that the
informational files are stored as plain text in a
well-defined directory [ie /var/sadm/pkg/]).Yes, although it's based on the SysV packaging system. I don't believe there's any API for it outside of the 'pkg*' utilities.
Darren

Current View as filter in BPC Vs Planning level and package in BPS

Hi,
     If I understand correctly, the current view is as like a filter in BPC as planning level and package in BPS, by comparing then I notice that the value for current can only be single value while in planning level and package we can have range, multiple value of single value.
    Let's have a planning scenario we need to planning for every month based on the actual month data,
in BPS we can easily configure two type of columns with actual and planning data, while in BPC, since the current view only allow single value, we have to copy the actual data to planning data, then with the category set to planning, we can do our planning. Of course if there is hierarchy, we can use parent to allow to display all the child.
   The other option is to use the EvGTS function which can retrieve the data outside the current view.
   Anybody have other though on this?
Edited by: JW on Jan 7, 2009 5:51 PM
Edited by: JW on Jan 7, 2009 6:25 PM

Hi JW-
I did not mean to imply that the Current View (CV) is not a filter. It can definitely be used to filter data presented from an EVDRE as well as other Ev functions, just like filters in BPS and IP. However as a developer you have the option to use the CV or, through your configuration, disregard and/or override the CV settings.
One example of disregarding CV settings is using standard Excel functions to provide the user a dropdown list from which to select certain dim members. The drop down box selection could be used instead of the CV for defining Ev function selections. My point is that you have multiple design paths of controlling what data is selected/processed; you are not only limited to the CV values. From a performance viewpoint, you are correct in assuming that limiting the data selection will greatly impact overall performance. Using the CV to limit data selection to enhance performance is very valid approach, just be aware that there are several alternative ways (other than using CV to control data selection) available to the developer.
-Sheldon

Class and package names

I'm novice in Java, but not novice in programming. So, it is not a problem to understand and to write simple samples, but it is still hard to create a good package structure and give good names for classes.
For example now, I started writing simple standalone application, which will be run by cron and will communicate with 2 webservices. I will receive data(reports) from one webservice, and will send this data to another one. From the very beggining, I have a poblem about structure of roject and naming. Is it ok, to make only one class, with name for example ReportApp? Or better create one class for communicating with first service, another - with second, and main class will call methods of this classes? Also package name... I think it is good, when from package you see, that i is service, or xml.util etc. How can I show in package name that it is batch standalone application? Can somebody explain what names for classes and packages he'll use for such task, please.

Descriptive names are nice....
For packages, a standard method is a domain name for your company or organization:
com.widgetsRus.service.
com.widgetsRus.ui.
com.widgetsRus.util.
As for class names, just descripe what the class is for. ReportServer, ReportClient, Report (interface), AbstractReport (implements Report), StatusReport (extends AbstractReport), etc...
As for creating a class for this and that, or separate classes, that's a design issue, but typically, it's easier to maintain things if they are kept in smaller classes with related functionality.

.desktop files and mimeinfo.cache... Why?

It just struck me as I read about mailcap that .desktop files and the mime info cache are redundant. And mailcap is much simpler too, and seems to require less mucking around to e.g. open a file in a console app running in an xterm. For instance
audio/mpeg; mplayer %s; needsterminal
Bang, done.
So can someone tell me why the FD.O system with .desktop files is now the standard? Is it just that it makes it easier to create menus, or something like that? Is it a more friendly backend for GUIs? Other than letting you easily launch applications from your file manager, it doesn't seem to offer a whole lot of benefits...
Edit: Other than the fact that the default /etc/mailcap file for some distros kind of sucks. Using VLC's ASCII output by default? Seriously?
Last edited by Gullible Jones (2010-12-13 05:12:25)

It's more automated, you have to make the mailcap file yourself to get specific preferences - people don't like editing config files.
Distros could ship a standard one, but then it's not based on what apps you have installed or what you want to use to open things.
GUIs would have to all implement some way to edit the mailcap file so you could change default apps easily and you would have to have the package manager edit it when you install stuff - I don't think that would be pretty
I guess you could use a bunch of tests and include every application that could open the file, but that's not so pretty either.
Last edited by thestinger (2010-12-13 05:18:09)

Desktop manager and Desktop Software

Is there a differnce bewteen desktop manager and desktop software? I'm trying to find a link to download desktop manager. I was told by t-mobile tech support to run application loader and I need desktop manager in order to run that application. The reason why i need to run the application is that my firewall setting is enable with the 'lock' icon and it's preventing me from running applications that need to connect to the internet. I was told that running application loader would remove the lock icon so I can disable the firewall setting.
Thank you,
New BB user.

OK...so those instructions are...well...dated...they indeed are for the full Desktop Software. Basically they have advised you to update your BB OS to the latest version in the hopes that the lock on the firewall will be removed. They did discuss the backup, but I actually prefer to take a manual backup first, then let the automatic one go, but I still have that manual one just in case.
I can't see what any of those jpg's are, so I'm not sure exactly what they are saying.
Anyway, there are other possible causes, but it's not necessarily wrong to follow those steps...it's just that they may or may not work...and before you ask, it's impossible to tell you, at an internet distance, anything at 100%.
If you prefer, here's a different method to update your OS:
From a PC, you can install any OS package to a BB via this procedure:
http://supportforums.blackberry.com/t5/BlackBerry-Device-Software/How-To-Reload-Your-Operating-Syste...
Note that while written for "reload" and the Storm, it can be used to upgrade, downgrade, or reload any BB device model -- it all depends on the OS package you download and install to your PC. You can even use a different carriers OS package by simply inserting, between steps 1 and 2, the deletion, on your PC, of a file named VENDOR.XML. Be sure that you remove, from your PC, any other BB device OS packages as having more than one installed to the PC can cause conflicts with this procedure. You will also first want a clean and complete list of all of your add-on apps, including the source of them and activation keys.
If you are on MAC, you are limited to only your carriers sanctioned OS packages...but can still use any levels that they currently sanction. See this procedure:
KB19915How to perform a clean reload of BlackBerry smartphone application software using BlackBerry Desktop Software
Good luck and let us know!
Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
Join our BBM Channels
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Suddenly most of the applications have no sound and I can't adjust the volume, and when I try with the volume button, appear the message "sound effect" and nothing append

Suddenly most of the applications have no sound and I can't adjust the volume, and when I try with the volume button, appear the message "sound effect" and nothing append

Hello, Miryam Maria.
Thank you for visiting Apple Support Communities.
I see you are experiencing issues with sound on applications when playing video/audio content. If this is the case, the first thing I would check is if the side switch is set to silent as this can cause applications to be mute. Below I have included an article that covers adjusting the settings for the side switch. Also, make sure to close all applications in Multitasking and power cycle the device. Test the sound issue after processing these steps.
iPad: Understanding the side switch
http://support.apple.com/kb/ht4085
iOS: Force an app to close
http://support.apple.com/kb/ht5137
Cheers,
Jason H.

What Configaration Macbook Air is needed to install and run Paralles Desktop 8 and Windows 8

Hello, I'm going to buy an Apple Macbook Air and want to install Paralles Desktop 8 and windows. What configaration will I need in the Macbook Air ? I don't want to loose speed in loading apps etc... and I want to have enough space.
Thanks

Parallels Desktop 8 for Mac Read Me and Release Notes
Hardware
- A Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor. - At least 2 GB of RAM (4 GB or more recommended)
Note: Your Mac must have enough memory to use Mac OS X and its applications plus the memory required for each additional operating system (and its programs) that you want to use simultaneously.
- At least 700 MB of space available on the boot volume (the volume that has Mac OS X) for Parallels Desktop installation.
- 15 GB of available disk space for Windows.
- An Internet connection for select features and software updates.

Can I use multiple computers eg. my desktop, laptop and iPad on an individual subscription?

If I buy a individual subscription can I use photoshop on multiple computers eg. my desktop, laptop and iPad?
If so, what is required on each device? If I am on my laptop away form home can I log onto photoshop and still access documents Ive been working on?
Sorry for the stupid questions, I do not fully understand how the 'Cloud' works and what it offers me if I need to use photoshop on several devices.
Any assistance would be appreciated.
Thank you

You have 2 activations, meaning you can use it on 2 computers. Mobile devices are treated separately and are not tied to the activation limit. Whether or not you will be able to work on your documents across will depend on syncing them or making them otherwise available through some shared (web) storage.
Mylenium

Understanding desktop 'volumes' and packages

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