Minimal backup of system - which files?

Hi,
I'm about to hand my MacBook in to the store I bought it from for a repair (screen flicker + discolouration), and obviously need to back up the 'important' data...
... My question is: what is important data??? I don't have an external disk, but I do have a stack of blank DVDs and a PC with a reasonable amount of spare disk space.
I work with video and audio stuff, so those projects are already backed up - it's just the nitty-gritty 'preferences' etc. that I am unsure about.
FWIW, this is my first Mac (had it since June), and I'm still not completely au fait with all of the technical terms (I haven't needed to be - it just works!)
Thanks

I think you're taking a wrong view of the backup question. Removing the applications will not remove the support files stored in the /Library/ folder. If you remove support files from the /Library/ folder you will have to reinstall the software from scratch to restore them. In the long view that sort of obviates the whole point of backing up.
Why not take the long view of backup. Buy an external Firewire drive and clone your hard drive to the external drive. You can do that using the Restore option in Disk Utility. Then get a good backup utility and maintain the clone on a regular schedule. When your hard drive crashes or your system becomes non-functional you'll realize how valuable having a backup can be. Do it right the first time then you won't have to do it twice.
Backup Utilities for OS X
(In the order of my personal ranking)
1. The Restore option of Disk Utility (only for full backups.)
2. Retrospect Desktop (Commercial $129 - not universal binary)
3. Synchronize! Pro X (Shareware $99)
4. Synk 6 (Shareware - 3 versions: Pro $45, Standard $35, Basic $25)
5. Deja Vu (Shareware $25)
6. LaCie SilverKeeper (Freeware - not universal binary.)
7. Carbon Copy Cloner (Freeware.)
8. RSyncX and PSyncX (Freeware - GUIs wrapped around Unix tools.)
9. arRSync (Freeware - GUI wrapped around rsync Unix tool.)
For a good discussion of backup and restore visit The XLab FAQs and read the FAQ on backup and restore strategies.
Except for Retrospect you can download the others from www.versiontracker.com or www.macupdate.com.
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Which files should I download from edelivery?

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Is there a way to identify which files haven't been migrated from a backup?

I've just upgraded my girlfriends 13" mbp from Leopard to Snow Leopard. It was behaving a little strangely and being sluggish so I erased everything before the upgrade. I've used Migration Assistant to transfer most files from a Time Machine backup but was a bit unsure about transferring everything blindly as I'm a little worried about what was causing the problems before the upgrade. The only items I didn't select in Migration Assistant were the 'All other files and folders' in the 'Users' drop box, and the 'All other files and folders on Macintosh HD'. I left these as I wanted to investigate what exactly these files were but now I have no clue how to go about this. Is there a quick way to highlight which files were present in the backup before the upgrade that aren't there now? Are any of these files likely to be hugely important?
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Macademia82 wrote:
I've just upgraded my girlfriends 13" mbp from Leopard to Snow Leopard. It was behaving a little strangely and being sluggish so I erased everything before the upgrade.
It's usually not a good idea to upgrade a computer that's having problems. They may get fixed, but more often they'll get worse.
'All other files and folders on Macintosh HD'.
Those are other files, not in any user home folders, besides system files. On most installations, they're just a few Help files, but if you've installed things or created files at the top level of a drive, they weren't migrated.
Also, because I backed up again after the upgrade, Migration Assistant automatically selects the last backup to migrate from instead of the one that has the missing files. Is there a way to select which backup file to use from my external drive?
No, unfortunately. You can only do that with a full system restore.
If you used +Setup Assistant+ when the Mac first started up, the user accounts now on the Mac are the same ones, and you can use the "Star Wars" display to restore selected items from older backups. But you can't restore an entire home folder, or the default folders in the user's home folder (Desktop, Documents, etc.); you have to select the contents of those folders instead. See #15 in [Time Machine - Frequently Asked Questions|http://web.me.com/pondini/Time_Machine/FAQ.html] (or use the link in *User Tips* at the top of this forum).
If you used the +Migration Assistant+ app, however, the user accounts may not be recognized as being the same ones, so may not have permission to see and restore from the backups.
It's a pain, but your best bet may be to start over: do a full system restore of the last Leopard backup, per #14 in the FAQ. Then try to address the "strangely and being sluggish" issue. Once that's either fixed or you determine it isn't a big problem, just install Snow Leopard over Leopard without erasing.

System Log Files - which can be removed

i have two system log folders that are about 10Gb in size each. I would like to recover some of this space, but am unsure of which files I can safely delete.
DiskName>Users>UserID>Library>Application Support>MobileSyn>Backup
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Which can I safely delete, and what am I "losing" by deleting the older ones?
DiskName>private>var>log
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The .bz2 files were created by Archive Utility.
the file without the .bz2 extension does not show a creator application in the SysInfo box.
Can any of these files be deleted?
The current one is over 3Gb in size, and one of the .bz2 files is over 2Gb
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Thanks in advance for any input
PeterP
Sydney, Australia

Well, I solved the MobileSync files question
And yes ... I apologise ... I mispelled the file directory name. I should have been:
DiskName>Users>UserID>Library>Application Support>MobileSync>Backup
These files are created by iTunes each time you backup your iPhone.
Under iTunes>Preferences>Devices, there is a list of backups of the iPhone being maintained by iTunes (Device Backups).
I had had a number of changes of serial number of my iPhone as I moved my earlier generation iPhone around my family, and as I had iPhones replaced after repair/warranty. Each time you do that, iTunes opens a new folder in the Backups directory. It also seems to close the current folder and open a new folder from time to time, as the past three folders are all with the same iPhone serial number.
Whatever, by deleting the old unwanted backups via iTunes Preferences>Devices>Device Backups, iTunes also politely deleted the folders in the ...
DiskName>Users>UserID>Library>Application Support>MobileSync>Backup
... folder, thus solving this problem.
Thank you to Thomas A Reed, and to Francine Schwieder for your kind assistance in pointing me in the right direction on this matter.
Re the systemlog file that is obviously "old" but doesn't have a .bz2 extension, as this file is only 5 days old, I have decided not to mess with it, and allow MacOSX to clean this up over time. I suspect either the weekly or monthly Unix Script run by the Marcaroni utility, (which I installed years ago), will take care of this.
I took your advice Thomas and opened that log to see what was filling it up.
I got lots of messages like this:
21/02/11 14:18:54 com.vvi.peervisualserver[57] SCS Client Error: Error connecting to SCS type server process for channels 1 through 1 inclusive.
21/02/11 14:19:04 com.vvi.peervisualserver[57] 2011-02-21 14:19:04.195 PeerVisualServer[27813:903] The application with bundle ID com.vvi.PeerVisualServer is running setugid(), which is not allowed.
21/02/11 14:19:04 com.vvi.peervisualserver[57] SCS Client Error: Error connecting to SCS type server process for channels 0 through 0 inclusive.erVisualServer is running setugid(), which is not allowed.
This runs continuously through the log.
and like this:
21/02/11 14:19:00 com.apple.launchd.peruser.502[172] (at.obdev.LittleSnitchUIAgent) Throttling respawn: Will start in 10 seconds
21/02/11 14:19:02 com.apple.launchd[1] (at.obdev.littlesnitchd[27811]) Exited with exit code: 1
I am running Little Snitch so this is perhaps not surprising.
Thanks for your inputs on this. I will post in three weeks time if Marcaroni has deleted the systemlog file.
Sincerely
PeterP
Sydney, Australia

Unable to Open unix file in UNICODE system which created NON-UNICODE system

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The file in system 1 created with below sentence.
OPEN DATASET g_unix_file FOR OUTPUT IN TEXT MODE ENCODING UTF-8.
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cdp IGNORING CONVERSION ERRORS .
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Messgae captured as 'Permission Denied". The program gets triggered with system user Id PPID.
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Build standby database using cold backup on a different file system & host

Hi gurus,
The database version is 11.2.0.3. OS is HP UX Itanium 11.31
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If it was same File system on both HOST 1 and HOST2 I can copy the cold backup to the standby server, build a standby control file on primary and copy and replace the standby control file and everything was set.
Thanks
Cherrish Vaidiyan

Hello;
I have a note on this using a cold copy of the current files instead of a copy backup :
http://www.visi.com/~mseberg/data_guard_on_oracle_10_step_by_step.html
I will post SCP SQL in a moment.
Best Regards
mseberg
set heading off
set feedback off
set pagesize 100
set linesize 400
select 'scp '||a.name ||' server_name:' || a.name as newname from v$datafile a;
select 'scp '||a.name ||' server_name:' || a.name as newname from v$controlfile a;
select 'scp '||a.member ||' server_name:' || a.member as newname from v$logfile a;Edited by: mseberg on May 25, 2013 10:35 AM

Make backups of which files in Photoshop 7?

I have Photoshop 7. Does anyone know which files I could make copies of to replace later in order to keep my settings if I have to do a re-install, instead of having to backup the whole program?

the prefs
Also save your new action set
and any brushes you may have made.
If you want to upgrade now is the time as 7 is the last version you will be able to upgrade. When CS4 is released you will have to pay full price.

Timecapsule stops backup after 5 of 55 gb - no report simply does nothing. possible to se which file makes the bug ?

Timecapsule stops backup after 5 of 55 gb - no report simply does nothing. possible to se which file makes the bug ?

Install the widget to get access to the log.
A1 here. http://pondini.org/TM/Troubleshooting.html
Do a verify of the disk.. A5 and the existing backup.
Sometimes you need to wipe and start over.
To delete existing sparsebundle see Q12 here.
http://pondini.org/TM/FAQ.html
Don't use wireless. To do large backups use ethernet with wireless turned off.
I almost want to say don't use Mavericks.. but it is too late for that if you already upgraded.. Expect trouble with Mavericks.

Problems with restoring my iTunes library after performing an HP backup and system recovery

Hello,
Last Sunday night/Monday morning, I had to perform a system recovery (from the discs supplied by HP) on my HP Compaq Presario SR5310F 32-bit desktop computer running Windows Vista Home Premium, (on the recommendation of samone at HP) and just backing up my 90+ GB iTunes library took 12 hours (the actual system recovery took only about 2-1/2 hours, the following morning). After the recovery process was complete, I 'restored' the backed-up files by either double-clicking or just opening the first backup file (the one whose file name ends in '.1') and following the prompts, which placed the files into something called the 'System Restore Files' folder. I thought I could just restore my iTunes library by dragging and dropping the music, video and iTunes folder files from this System Restore Files folder back into their original places on my computer, but while the song titles did show up in my iTunes library, whenever I tried to actually play one, an exclamation point would appear beside the song's title and I'd get the error message 'iTunes cannot find the file'; when I clicked on 'Find missing file'--or whatever it's called--the C < Users < [username] < Music folder would open, and it would be completely blank, with only the words 'This folder is empty' appearing in it. (And BTW, before you try to recommend the 'Finding missing content in iTunes' or 'How to find missing music in iTunes' articles to me, I should point out that I did try all of the steps in those articles, but my iTunes library was still completely empty at that point, despite trying those steps; that was why I finally tried 'dragging and dropping all of those files back into the Desktop, Downloads, Documents--yes, some really large download files, not from iTunes, showed up in the Documents folder--and also a couple of downloaded music files--again, not from iTunes--showd up 'loose' [by 'loose', I mean not in one of the folders (e.g., Documents, Downloads etc.) in my [username] subfolder] in my [username] subfolder, after which, I was able to get most of my song and video titles listed in iTunes again, but they just won't PLAY! Also, it appears I'm missing about 5 GB from my iTunes library now, as it's saying that I only have about 85.15 GB worth of files in it, where before I had 90+ GB worth of files in it.)
BTW, I can play the files I moved to Desktop, Downloads, etc. if I right-click on the individual files in these locations and then click on 'Play' or 'Open With', but they just won't play in iTunes.
And one more thing: I stupidly deleted my 2 iTunes podcast file titles after I discovered that these, too, would not play; is there any way I can recover these--and my iTunes library--without performing yet ANOTHER system recovery and starting over 'from scratch'? (But if that's what I'll have to do, I'll do it--or else I'll just give up and start all over again with the new computer I plan to buy over the Labor Day weekend [it'll be a 64-bit Windows 7 computer, I know that much at least], as most of my music was ripped from CDs or else downloaded from places like Bandcamp or Amazon MP3, and these downloads were saved to a series of USB flash drives; I was informed that if worst came to worst, I could redownload my iTunes purchases, but my 2 podcasts will be lost forever, as iTunes doesn't 'keep' those--or words to that effect...)
P.S. The computer I'm using has only a 250 GB hard drive, of which 223 GB were available, I couldn't perform the 'Consolidate' function so I could properly back up my iTunes library, as, what with the accumulated Windows downloads (I got this computer in February 2008) and other programs, I had only a few (< 10) GB free--not enough to consolidate the iTunes library, and second, the computer malfunctioned just prior to my performing the system recovery, so that I could no longer log on in 'normal' mode, only in the various safe modes. A lady at Microsoft told me I could back up my iTunes library by logging on in safe mode with networking (since I could do that, albeit with the error message 'Your account has been loaded with a temporary profile') and pasting my iTunes library to my external hard drive, but when I tried this, I got a message listing my iTunes library as '(empty)' when I clicked on iTunes in 'All Programs', and needless to say, my iTunes library wouldn't even open in any of the safe modes (I don't know whether it was 'just' my computer, or whether the lady didn't know what she was talking about--she does work for Microsoft, after all).

OK, before you moved the iTunes folder did the library contain entries for your original files?
This is the normal layout of the iTunes folders. From what you said at the outset it would seem that, as far as that copy of your library is concerned, it thinks the media folder is C:\System Recovery Files\C\Users\<User>\Music\iTunes\iTunes Media
Not quite sure where you have moved the original set of library files to (that is the five files listed above and the Album Artwork folder) but you should move these to C:\System Recovery Files\C\Users\<User>\Music\iTunes, (leaving everything else in place) then click the icon to launch iTunes and immediately press and hold down the left shift key until asked to choose or create a library. Click choose and browse to the library file at C:\System Recovery Files\C\Users\<User>\Music\iTunes\iTunes Library.itl - fingers crossed this will open your old database, which will be able to find your old files. If that goes well we can look to moving them somewhere more sensible.
tt2

What are the most important system preference files to have backed up?

This isn't specifically a Time Machine question but since it pertains to backup I thought it would be best here. In addition to backing up my entire system to an external HD using Time Machine I'm also planning to back-up critical files to an online service (Mozy) in case I should have a break-in or fire or something like that and not be able to recover either my laptop or my external HD.
I've started to identify some of the files I'd like to back up such as the encrypted database where my passwords are stored (Wallet) but I'm wondering what some of the other things I should back up are. What are the files that would contain important data that I wouldn't want to lose or would help get in me up and running more quickly?

Hiya,
firstly, I would not recommend backing up anything *in isolation*. As all system critical files interact, and some are stored (invisibly) at various locations, including the volume header.
The "library" files (you'll find various ones, one in your actual bootup drive, one in your home folder, and one in your "system" folder) are, of course critical (see Dimaxium's post)
With a MBP, I'd recommend timecapsule or external firewire HDD (I had some excellent experience with LaCie 1Tb on Firewire 800 - incredibly fast).
What I'd do, rather than running Time Machine, which can be - of course - *very useful* (drawback, it uses the backup disk till full) is the following:
If you know your existing OS is pristine and works perfectly, I'd get external HDD, install Leopard (from Leopard disk), then use migration assistant and it'll create a clone (if you tick all the boxes - note article about the versions: http://macs.about.com/od/leopard105/ss/migratevol.htm ).
That way, the new disk has everything. And from time to time, just boot up, using your external HDD and update.
Bit more work, but that way, you got a fully functional "emergency OS" available anytime.

Windows 7 Backup "The System cannot find the path specified" - Error Code 0x80070003

I'm having severe problems backing up my own machine to a share on our
FILE-SERVER as \\FILE-SERVER\Backup\
I have already backed up another PC successfully using exactly the same settings I have used on my own PC. So I presume it is nothing to do with the
FILE-SERVER or the Backup settings. It has to be something to do with what I'm trying to backup from my machine.
First some background.
This exercise all began when the Windows Server 2008 r2
O/S fell over on one of our Servers. I tried reinstalling the O/S several times, without success. In the end I grabbed another drive and re-built the O/S. I then had problems promoting it to a Domain Controller on the network.
In the end I renamed the Server from FILESERVER
to FILE-SERVER.
We routinely share four folders on what is now
FILE-SERVER:
\\FILE-SERVER\Backup
- a Folder where backups from all other machines are written, so that they will be backed up with the Server
\\FILE-SERVER\Company
- holds all our Company data
\\FILE-SERVER\GEM
- this is the application folder for our own database
\\FILE-SERVER\Install
- holds all Install files for the software we use
These are all held on a RAID 1 Array that is separate from the System Disk that fell over.
Prior to the Server falling over, I had Backup working fine on my machine.
On my Notebook PC I had made these shared folders 'Available Offline', so that I still had everything available to me when I was out of the office. They were
of course shared as \\FILESERVER\... not \\FILE-SERVER\...
Having got the Server up and going again, I began to get the Backups from the Windows 7 Client PC's going again.
I started with a Desktop, which of course did not have any Offline Files.
That proved relatively straight-forward.
I then started with my machine. Initially I did not make the above shared folders 'Available Offline'. I set up my Backup using exactly the same settings that
had worked OK on the desktop machine. But when I ran the backup I got:
The System cannot find the path specified, Error Code 0x80070003
I tried all sorts of things to get it to work:
I restored the system to the earliest point possible,
I ran chkdsk,
I defragged the drive
All to no avail, so I tried backing up:
with and without a system image,
reducing the backup to a single folder,
a single Folder with only one .txt file in it,
making the Folders 'Available Offline' again.
Nothing made any difference.
In the end I looked in the Sync Center to look at the Offline Files Folder.
Under Mapped Network Drives I discovered I still had the Files and Folders from
\\FILESERVER. In their Shortcut Menu 'Always Available Offline' was greyed out. So I deleted the Offline Copies. This deleted the Files in the Folders but not the Folders.
Since I could find no way of deleting the old Mapped Network Drives, I decided I'd painted myself into a corner by renaming the Server.
So I bit the bullet and re-installed my Notebook too. This did get rid of the unwanted old Mapped Network Drives - BUT NOT THE ERROR!!
I’ve been through all the troubleshooting procedures in:
http://social.technet.microsoft.com/Forums/windows/en-US/629597bb-7be0-455c-b81e-a149472d3f9b/windows-7-backup-the-system-cannot-find-the-path-specified-error-0x80070003?forum=w7itprogeneral
Method 1
It had none of the symptoms reported in
http://support.microsoft.com/kb/973455
but I scanned for ‘reparse’ points anyway. Found several “Junction Points” but none that were “Mounted Volumes”, just ordinary ‘File Folders’.
Method 2
Check a drive for errors.
Looked at:
http://windows.microsoft.com/en-us/windows7/Check-a-drive-for-errors
Checked
both boxes. I closed machine down, to check for errors when it re-started.
It didn’t seem to find anything.
I say seem, because I did not actually see it finishing checking the empty space, but stages 1-4 found no problems and Windows 7 restarted normally.
It did detect 66 ‘Reparse’ Points, which is more than it found when I scanned for them earlier.
Method 3
Yes, I am an administrator or my own machine and, as such, I have ‘Full Access’.
I downloaded an ran the Process Monitor, filtering for Process Name “Wbengine.exe”, but did dot get a single event.
So I’m not sure what’s going on.
HELP - I'm out of ideas!
I have a WORD Document that documents all the Settings I've used on both the Server and the Clients, together with the reasoning behind those settings, but
I cannot find a way of uploading it.

I am having the exact same problem with Windows 7 Professional. Out of the blue, this issue just started a few months ago when running my monthly Windows Backup where I have used a USB drive for the last 3 years, and never ever had this issue before. Most
of the solutions listed on the Microsoft websites and answers deal with
"Restore" functions, not the
"Backup" itself. I have 3 folders being skipped during the backup.
So I went and changed the Backup from "let Microsoft choose files, directories, etc" to "Let me choose". I included the files and folders that were being skipped, and ran the "Backup" again, and got the same error message,
but the files that were skipped the first time were "Backed up" finally. This issue is somehow related to my "Libraries"?
The 3 backup problems are:
Backup encountered a problem while backing up file C:\Windows\System32\config\systemprofile\My Audio Books\Audio Book Recordings. Error:(The system cannot find the path specified. (0x80070003))
Backup encountered a problem while backing up file C:\Windows\System32\config\systemprofile\My Audio Books\Audio Book CD Label-Cover Art. Error:(The system cannot find the path specified. (0x80070003))
Backup encountered a problem while backing up file C:\Windows\System32\config\systemprofile\My Audio Books\Audio Book MP3 Tag Art. Error:(The system cannot find the path specified. (0x80070003))
Did a "checkdisk" - no problems. Ran a program to fix registry - no problems. All updates up to date. I guess I could eliminate these folders from the Backup folders in the
Library, and just choose them under the "Users" locations, and be done with it. But I really want to understand this, and fix it. This is within Windows 7 and may be related to Windows Media Player or
some recent Windows update. Thanks.

How to backup a Scale Out File Server

Can anyone explain to me how i am supposed to backup my Scale Out File Server? It is used to host our VDI environment but we have thrown a few other minimal shares on there for stuff relevant to the VDI setup. Profile Disk/Scripts etc
Per this topic http://social.technet.microsoft.com/Forums/en-US/15561919-963b-4164-a307-e3696f5d21e1/adding-scaleout-file-servers-to-dpm2012-sp1?forum=dpmfilebackup
"DPM does not support protecting scale-out file servers (SOFS) for file shares.
I do not really know how to proceed. To make sure everything is backed up.

Hi,
Scale out file server support in DPM is for VM's (and SQL DB's I think), only and to be honest because of the metadata overhead using scale out file server and CSV as a general file server is not a good choice. To protect VM's running on a scale out
file server the VM's are backed up from the Hyper-V hosts but the Scale Out file servers do require a DPM agent on them. SMB 3.0 has a new feature which enables Remote VSS therefore the volumes (shares) are snapped from the Hyper-V hosts.
This document will give you the basic steps (http://technet.microsoft.com/en-us/library/hh757866.aspx)
hope this helps,
Regards,
Paul

How can i recover my database after losing system data file.

hi everyone,
how can i recover my database in the following scenario.
1. offline complete backup taken 2 days ago. database was in archive mode.
2. today i lost my system data file, and also lost my all archived files.
3. i started up the database but, the following error was generated.
SQL> startup
ORACLE instance started.
Total System Global Area 135338868 bytes
Fixed Size 453492 bytes
Variable Size 109051904 bytes
Database Buffers 25165824 bytes
Redo Buffers 667648 bytes
Database mounted.
ORA-01113: file 1 needs media recovery
ORA-01110: data file 1: 'D:\ORACLE\ORADATA\ORCL\SYSTEM01.DBF'
4. i copied the system data file from backup and wrote the following statement, to recover the database.
SQL> recover datafile 1;
ORA-00279: change 2234434 generated at 07/15/2009 10:52:10 needed for thread 1
ORA-00289: suggestion : C:\B\ARC00051.001
ORA-00280: change 2234434 for thread 1 is in sequence #51
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
now i don't have any archive file. is there any chance to recover the database ?
R e g a r d s,
Asif Iqbal
Software Engineer,
Lucky Tex, Karachi,
Pakistan.

now i don't have any archive file. is there any chance to recover the database ?If no archive log files are available you can't recover the datafile.You need to have all the archives from the time of offline backup was taken till the system datafile is lost.
Anand

Am running Tiger 10.4.11; just got Snow Leopard 10.6.3 (regular OS disk, not an upgrade); when I install Snow Leopard, will it wipe everything? overwrite Tiger? Do I need to make backups of applications and files to reinstall after Sno Lprd loads? thx!

Am running Tiger 10.4.11; just got Snow Leopard 10.6.3 (regular OS disk, not upgrade). When I install Snow Leopard, will it wipe everything? overwrite Tiger? Do I need to make backups of applications and files to reinstall after Snow Leopard Loads? thanks!

Hi Donald,
No it doesn't erase anything by default, it does what we used to call an Archive and Install feature, which can give you a new OS, yet preserve your files and settings if you have enough room on your HD...
http://docs.info.apple.com/article.html?artnum=107120
But it does it automatically unless you specifically erase the Disk, but will replace Tiger completely for the OS & several Apple Apps like Safari, Mail, etc, yet preserve your old settings for those!
If you think you may need Tiger to run any APPs that do not work in SL/10.6, then clone or backup first.
I would recomend 2 things before installing though...
Make sure you have enough RAM & HD space.
Snow Leopard/10.6.x Requirements...
General requirements
   * Mac computer with an Intel processor
    * 1GB of memory (I say 2GB at least)
    * 5GB of available disk space (I say 30GB at least)
If it's a core Duo & not a Core2Duo, then it'll only run in 32 bit mode.
"Try Disk Utility
1. Insert the new Mac OS X SL/10.6 Install Disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair. Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214

How can I delete the update installation files? Or which files are useless and safe to delete?

ThinkVantage System Update application will find the appropriate updates, download them and install them. This is convenient. But when it finishes the updates, it will not clean the installation files it has downloaded, which I think are not useful any more since the update installation is completed, right?
I think the update appliction stores the downloaded files in the folder: C:\Program Files\Lenovo\System Update\ , this folder of mine is over 1.32GB big now. But I just don't know which files and subfolders in it are safe to delete.
Or rather, the preload system occupies a large space on the disk. Which files are no longer used and safe to delete?
Would any experts help with this? Thank you very much!
Norm

I've been experimenting. Now I figure it out. Automatic System Update downloads and stores files in C:\Program Files\Lenovo\System Update\ Sessions\, and in Sessions' subfolders, all files are not used once update is completed except those ending with .xml. Thus those unnacessary files are safe to delete.
This is what I find out so far.
Continuing to experiment.
Message Edited by normyy on 05-31-2009 11:12 PM

Minimal backup of system - which files?

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