Difference between running Disk Utility and "Archive and Install"

Hi all,
I'm one of the poor souls who is having trouble with the software update 10.4.6. My iMac stopped halfway while doing the update, and when it attempted to do a restart, the iMac froze. I did the mistake of forcing it to shutdown, instead of just letting it take its time.
Last night, I attempted the Safe Boot but it did not work. The progress indicator kept on spinning for hours! SHOULD I TRY IT AGAIN?
Also, can someone tell me the difference between unning Disk Utility and "Archive and Install"? I figure I might have to do one of them to repair my iMac. I just want to do something that will reduce the chances of me wiping out my files. I also have the TechTool Deluxe CD with me. Should I be using that instead?
Please help.

i just had a simialr issue with my powerbook. I stress similar, but in the end i had the same issue with the start up screen (light blue, apple icon and the spinning indicator below it. I could not get past it.
I ran disk utility from the boot disk, and got a kernel panic on verifying and and repairing permissions.
So (and this is what Im suggesting you try) in disk utility I made a disk image of my internal hard drive and saved it to an external hard drive. Takes a while but a worthy precaustion.
Second I went ahead and installed the OS on the external drive. Once that was done I boted from the external to oprn the disk image back up of my powerbooks internal drive. After that checked out i wnet back to the boot disk and did a clean install of the OS (wiping the internal) and things were fine after that.
maybe wait and see how other people respond to this before jumping into it, but its smart to back everything up on an external any day.
much luck to you
-justin!

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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

Warnings when running disk utility after downloads, etc.

I use Mc Janitor nightly to clear some of the 'stuff" that accumulates with files, etc. but run Disk Utility after downloads and such about once a month. I have done this since 2003 when I had my first e-mac. Only recently have "warnings " appear on the list of repair or varify disk...that says certain items can not be repaired. The techs at the Apple store said to just ignore them, which I have been doing. But the last download, which was a rather large new Security download, came up with something new, both on my computer and my husband's lap top when he downloaded it. These are letters that appear and say ACL found but not expected on Applications/Utilities, on "Applications" and on "Library."
We are just curious about what ACL is (or are) and what it means to have them in our systems.
It does say that the disk is verified when I run that. Everything seems to be working normally.

A few posts below yours is this one:
http://discussions.apple.com/thread.jspa?threadID=2310982&tstart=0
New Permissions messages after Security Update/more curious than concerned

My 3 year-old macbook pro is very slow. I have run disk utility and virus scan with no improvement. The "beach ball" will spin for minutes at a time when opening, closing or changing windows. Apple Store looked at it a few months ago with no help.

my 3 year-old macbook pro is very slow. I have run disk utility and virus scan with no improvement. The "beach ball" will spin for minutes at a time when opening, closing or changing windows. Apple Store looked at it a few months ago with no help. What can I do?

Under CPU: 3.5% user; 5% system; 91% idle; 441 threads; 90 processes.
Under System: out of 2GB - 54.7MB free; 530MB wired; 603MB active; 862MB inactive; 1.95GB used.
Is too much of the system memory tied up? If so, what can I do to free some up?

HT203176 i have a slow macbook, i ran live disk utilities and said I need to repair disk from a cd. did that, I got volume repaired from the external disk. when I reboot from hdd, then run disk utility, I get the same error message i did b4 repair

i have a slow macbook, i ran live disk utilities (from hard drive), turned out I needed to repair disk from a installation disk. Did that, I got the volume (Hard drive) repaired from the installation disk disk. To this point, great!
When I reboot from hdd, then run disk utility, I get the same error message i did b4 repair. I went thru two rounds of this.....
Can anyone help? thanks

Sorry guys, I don't see how to reply to you so I use reply to "me" basically.
So the error I get is "volume header needs minor repair" and then you need to perform repair from the installation disk message.
I did repair not verify from the disk twice. Every time ending in the "the volume had ha been successfully repaired". Then I reboot from the internal disk. Run disk utilities from it, do verify and get the same error message I got before repair. I hope this can shed some light fr you guys. Sorry I didn't include details in the original
MEssage.

I think I goofed when running disk utility, and unmounted at the end and restarted. Now I can't get the disk to mount. What am I missing?

I think I goofed when running disk utility, and unmounted at the end and restarted. Now I can't get the disk to mount. What am I missing?

Which disk won't mount? What version of OS X? Your post is impossible to answer with no useful information.

Differences between app copy utility and LCM

Hi all
Our version of HFM now is 11.1.1.3.
we need to update it from 11.1.1.3 to 11.1.2.1.
First of all we update HFM in one Server ,and then we need to migrate it from one server to another .
Now what i want to know is the difference between app copy utility and LCM .
the following is i know :
Financial Management data migration is not supported in Lifecycle Management,so why users use lcm,we just need use app copy utility can solve all the Migration problems !
who can tell me that does "app copy utility" have any shortcomings ??
thanks

actually the copy utility used for all the hfm applications are moved to new server.
for using lcm we can migrate the shared services users ,groups , icp, journal,etc
for my preference go for LCM...
Edited by: Kimi on Jan 31, 2012 6:17 PM

I have an external hard drive that shows up in disk utility but Verify and Restore are greyed out.

I have an external hard drive that shows up in disk utility but Verify and Restore are greyed out. I am trying to determine what is wrong with the drive.
I need the data on the drive and it won't show up in Disk Warrior. I have tried different Mac's and different USB cords only to find the same outcome. When selected in Disk Utility the information read as such...
Disk Description : WD Elements 1023 Media                      Total Capacity : 500.11 GB (500,105,740,288 Bytes)
Connection Bus : USB                                                               Write Status : Read/Write
Connection Type : External                                                     S.M.A.R.T. Status : Not Supported
USB Serial Number : 575837314135304D36373132        Partition Map Scheme : Unformatted
As the drive shows in Disk Utility there must be some life left in it surely. There is a possibilty that the physical connection between the USB cord and the external drive is damaged but since the drive shows up I believe it's unlikely... before I give it to the pro's is there anything else I can do to diagnose the issue?

Hello,
I have just experienced the same thing!
Although my external drive shows in Disk Utility, it does not show in Finder.
And the Verify/Repair buttons are also greyed out.
Also, although the drive is 2TB. DU shows it as having Total Capacity of only 4.14GB! (Which should be the Free Space).
I was wondering if you solved your problem, & if so, would you share your solution.
I´m afraid to Erase in case I lose all my Data on the drive.
Thanks in advance for your reply!

Difference between BW on HANA, Native HANA and HANA Enterprise..?

Hi Experts,
I am learning SAP HANA modeling.
I am not able understand why there are three terminologies i.e., BW on HANA, NAtive HANA and HANA enterprise..
Could you please tell me the "Difference between BW on HANA, Native HANA and HANA Enterprise..?"""
I searched in sdn but not getting required info.
Please share the links if you have.
Thanks
Asha

Asha,
BW is a SAP Business Application, which can run on many traditional relational databases and on the SAP HANA database, BW on HANA is the BW application running on the HANA database, for details please see http://scn.sap.com/community/bw-hana/faq
Native HANA means in general that the code has been developed on HANA and specifically for HANA. For example BW has coding which can run on all databases which are certified for BW, and new code developed specifically for HANA = HANA native. Or another example, HANA studio is a native HANA application.
HANA enterprise is a license version of HANA. You can buy runtime licenses to run BW on HANA for example, and you can buy the enterprise license, which is a very comprehensive license to use many HANA capabilities. Please see your SAP account executive or SAP partner for details.
thank you
erich

What is the difference between the Intel HD Graphics 5000 and the Intel Iris Pro Graphics in the current iMacs

What is the difference between the Intel HD Graphics 5000 and the Intel Iris Pro Graphics in the current iMacs?

I am assuming you are talking about PPC Macs? Those haven't been manufactured or sold in years (since early 2006 I believe) when Apple started using Intel processors. There are still some apps which run on PPC code only which makes them incompatible with the last three Mac operating systems.
There are different Applecare products depending on which Mac product you buy, although the coverage is about the same (except for iOS devices).

What is the difference between the new version of lion and the one manufactured last year.

I just bought a new iMac. I found out it is the version of lion from mid last year and not the latest version. What is the difference?Should I return it and buy the latest version?

Shootist007 wrote:
petermac87 wrote:
Shootist007 wrote:
Barney-15E wrote:
The difference between the one releases last year and the one that will be released this year is that the one that will be released this year is different from the one released last year.
Not really. Lion is Lion, last year, this year, it is still Lion.
Yes, but it's a different version. Very cleverly said Barney
Pete
No it is not. The newest update just adds some things to it, no new features and only fixes bugs. It is still Lion OS X 10.7.x. It is not 10.6 or 10.8.
It is just a "Point" release and not a New Operating system. All Macbook Pros that could run Lion from last year can run the newest Lion Point release from this year.
Oh and by the way Barney was talking about Mountain Lion, 10.8. Which is a NEW OS X operating system and has nothing to do with Lion 10.7.x. And it is not out yet.
lol. Don't bust a blood vein. The comment was made in jest, but if you want to be serious, then OK 10.7 and 10.7.1 were different than 10.7.2 and 10.7.3. Why? Well one little thing called 'iCloud' for a start.
Shootist007 wrote:
Oh and by the way Barney was talking about Mountain Lion, 10.8. Which is a NEW OS X operating system and has nothing to do with Lion 10.7.x. And it is not out yet.
Sorry, there was absolutely no mention of the upcoming 10.8 that I could see in Barney's comment.
Cheer Up. Life can't be that bad.
Pete

DIfference between Reusable FM for ALV display and ALV display using class

Hi,
Is there any difference between alv display using Resuable FM and ALV display using classes except the later one uses OO concept.??
One mere thing i want to clarify is that is there any difference exist between REUSE_ALV_GRID_DISPLAY and REUSE_ALV_LIST_DISPLAY? If so, then let me know.
It could be easier to understand me if yuo give scenario where these FM comes into picture
Regards,
Parag

Hi,
(1) REUSE_ALV_LIST_DISPLAY
Display an ALV list as per parameters defined in the function call
(2) REUSE_ALV_GRID_DISPLAY
Display an ALV grid as per parameters defined in the function call
(3) REUSE_ALV_COMMENTARY_WRITE
List header information is output according to its type. The output information is put in an internal table. Output attributes are assigned to each line via the TYP field.This module outputs formatted simple header information at TOP-OF-PAGE.
(4) REUSE_ALV_HIERSEQ_LIST_DISPLAY
This module outputs two internal tables as a formated hierarchical-sequential list.
(5) REUSE_ALV_VARIANT_F4
Display variant selection dialog box.
(6) REUSE_ALV_VARIANT_EXISTENCE
Checks whether a display variant exists.
Other Useful Link :
Customize ALV grid layout at run time
Download ALV grid Control Tutorial
Understand ALV report ( Just Copy and paste )
Dynamic selection on ALV at run time
Dynamic selection on ALV at run time
Regards
Kiran

Difference between using app server connection pooling and using the driver

Hi all,
How to get connection pooling with out application server and tomcat also?
What is the difference between using app server connection pooling and using the driver supported connection pooling?
Regards,
Murali

maybe the performance of App server pool is better than the JDBC pool,
for you don't know wether the implementation of the JDBC interface is good or bad.

What the difference between u0093Valuate GL Account Open Itemsu0094 and u0093Valuate G/

hi gurus
What the difference between Valuate GL Account Open Items and Valuate G/L Account Balances?
We found out that when we perform valuate GL account Open items there will be reversal done at the same time whereas when we perform Valuate G/L Account Balances there is NO reversal posting even though we hv entered the reversal posting date and Period.
Pls advise which one we should perform?

Valuate GL Account Open Items are for open item managed accounts including vendor/customer accounts. The valuation is performed for each (open) line items on key date specified.
"Valuate GL Balance" is for account NOT managed on Open Item basis but managed in foreign currency. The period balance of key date in foreign currency is valuated. Reversal document can be created by selecting 'Reverse postings' in "Postings" tab.
Kyoko

Difference between the design of clusters PCLx and others like RFBLG etc .

There are a few nagging questions which I was not able to find in the forum hence i have to post a new question.
I am a little confused about the difference between the different clusters .
If i start with RFBLG i.e. the cluster for BSEG BSEC etc ,I can see that the tables which are part of this cluster
can be viewed through different methods like
1) whr usd list for RFBLG
2) dd02l table and give the required parameters there
now when I compare this with another so-called cluster PCL1 if find that PCL1 is not recognized as a cluster
and also I am not able to see the same in dd02l table when i give PCL1 and the tabtype as cluster which I was able to see
for the RFBLG ,there are other tables similar to RFBLG .
1) SO what is the difference between the RFBLG type of clusters and the PCLx type of cluster
2) are pclx and rfblg..type of clusters same ?
3) why does PCL1 shows that it is a transparent table ? where as rfblg shows in a diff way in se11
4) i know we access data from PCL1 using import and export stmts ,DO OR CAN WE DO THE SAME FOR RFBLG
5) I found that each and evry cluster table had diff fields ,this was kinda surprising for me as I had been thinking
that all cluster tables need to follow a certain rule ,SO WHO DECIDES THE FIELDS OF A TABLE CLUSTER ?
6) PCL1 has the index button enabled ,which again I think is not according to the cluster table rules?how?
7) I understand that we can save data in form of internal tables in the PCL1 cluster ,can we do the same in RFBLG ?
8) Can I think on lines that PCL1 and RFBLG type of cluster are two totally different types of data dictionary objects
and the usage and implementation of both of them is different and that the design and the BASE of both of such objects
is different .
I know this is a long list but I am sure that answers to these questions would really require some one who has really really work hard and invested a lot of time in understanding the dictionary system.I am awaiting a few answers ,few hints and a healthy discussion till we get them .
Thanks ...
a

Hello,
1/
BSEG is a typical Cluster Table.
This means that the physical table BSEG does NOT exist in the database, physical data for BSEG is stored in the database (table) cluster RFBLG.
In ABAP however you can perform selects on BSEG (with all fields from the SAP repository structure, see SE11 on BSEG), during execution the SAP database layer will translate these statements to physical selects in the RFBLG database table, so in ABAP this is transparant.
More info :
[http://help.sap.com/saphelp_nw04/helpdata/en/cf/21f083446011d189700000e8322d00/content.htm|http://help.sap.com/saphelp_nw04/helpdata/en/cf/21f083446011d189700000e8322d00/content.htm]
2/
PCL1, PCL2, ... are normal SAP transparent tables, however in HR they are often called HR cluster table.
Transparent tables are SAP objects where there is also a database table with the same name that contains the physical data.
However the PCL tables are somewhat different from normal transparent tables (data is compressed, external programs can not interpret the data, ...).
This means that in ABAP you can not use simple SQL statements to access data in PCL tables (because of compressed format).
In stead statements like EXPORT TO DATABASE and IMPORT FROM DATABASE need to be used.
More info :
[http://fuller.mit.edu/hr/cluster_tables.html|http://fuller.mit.edu/hr/cluster_tables.html]
Wim

Difference between running Disk Utility and "Archive and Install"

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