Syncing 2 operating systems Tiger and Leopard on 1 Mac is this possible ?

On my newly dual boot G5 I see myself living in both Tiger and Leopard equally and wanting to open access and update my Itunes, mail, calendar, and iphoto in either boot instance and be able to trust that all are in sync. Can it be done ? BTW the apps are all duplicated since there are two application folders 1 per OS, I knew you knew that
Message was edited by: Rexy

japamac wrote:
Try opening iTunes while holding the Option key, and manually "point" iTunes to the iTunes Music file.
If you only point to the iTunes file, the software will read it's xml file, which is what hasn't been updated.
iTunes should update content when pointed to the Music file.
The only problem with this is that the two xml files get updated for each OS version separately.
I don't keep favorites, ratings, etc., so it isn't a bother to me.
For those that it matters, something like this may help:
http://www.acertant.com/web/tuneranger/
You might also ask for suggestions in the iTunes forum.
The people that "live" iTunes are over there.....
WOW that worked japamac ! Thanks I'm going to test by adding media in one OS then see if it appears in the other's Itunes library. If it does then this is exactly what I was after !

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I plan to image Tiger (10.4) and Leopard (10.5) from my Power Mac G4 (Quicksilver 2002) to a recently acquired a Power Mac G5 (Early 2005). My questions are:
1. Tiger and Leopard were installed on a G4, a 32 bit processor, but the G5 is a 64 bit processor. Do I need to do anything after I’ve “installed” the G4 Tiger and Leopard on the G5 to have them function as 64 bit Operating Systems (a.they can detect which processor they are installed on automagically and don’t need my intervention OR b.I have to toggle something OR c.I have to reinstall one/both of the Operating Systems on the G5 for them to function as 64 bit Operating Systems)?
2. How can I tell if the OS is running as a 32 bit or 64 bit process?
TIA.

Hi Barubin,
I'm no expert on OS X's internals, but I believe Tiger and Leopard's kernel still is 32-Bit, but allows 32-64-bit bridging. In Leopard's Activity Monitor I can only find two apps running in 64-Bit mode:
usbmuxd
IIDCAssistant
The best way of getting 64-Bit is to upgrade to Snow Leopard on Intel, I'm afraid.
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I've never done a speed comparison between Disk Utility and its CLI counterparts, but I like the verbosity/flexibility provided by the CLI. It's a matter of taste, really. If you're not comfortable using the CLI, stick to the other options.
The purpose of asr -imagescan (asr stands for Apple Software Restore), is to rebuild the target image and replace it with a checksummed and reordered (optimised) version, so it can then be verified against the contents of your target volume after you're restored the data. Also, scanning the image allows you to do a block restore, which is effectively a blazingly fast blind copy. In a matter of minutes you can easily restore 15 GB of data into your chosen volume, as opposed to not scanning it with asr or Disk Utility and the restore operation defaulting to a normal image mount --> data copy operation, which is slow and inefficient. It's a tradeoff really. You can wait for ages restoring, or creating the image
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Check out:
$ man asr
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I'm confident it will all work just fine with your heart transplant!
Cheers

List of sysctl add/del/changes between Tiger and Leopard

I've ran a quick diff between the sysctl values in Tiger and Leopard. Note: This is from two different macbook's, so some values may be changed due to hardware.
This should give folks an idea as to what buffer sizes, performance tweaks, etc. have been added.
If you're real bored, I guess you could revert everything network related back to Tiger values ... but, yeah, good luck with that. You may break more than you fix.
Most of these you can lookup on-line or in the kernel source to see what they do. Sometime in the next week or so I'll add descriptions if you don't have a network background or src code background.
Removed
T debug.net80211: 0 0
T net.athCCAThreshold: 28 28
T net.athaddbaignore: 0 0
T net.athaggrfmax: 28 28
T net.athaggrqmin: 1 1
T net.athbadrxbuf: 0 0
T net.athbadrxdesc: 0 0
T net.athbgscan: 1 1
T net.athdupie: 1 1
T net.athforceBias: 2 2
T net.athforcebadrx: 0 0
T net.athpowermode: 0 0
T net.athppmupdate: 1 1
T net.athvendorie: 1 1
T net.inet.tcp.delacktime: 50
T net.pstimeout: 20 20
Changed
T net.link.generic.system.ifcount: 11
L net.link.generic.system.ifcount: 7
T net.inet6.ip6.fw.debug: 1
L net.inet6.ip6.fw.debug: 0
T net.inet.ip.fw.debug: 1
L net.inet.ip.fw.debug: 0
T net.inet.ip.fw.one_pass: 1
L net.inet.ip.fw.one_pass: 0
T net.inet.ip.fw.static_count: 12
L net.inet.ip.fw.static_count: 1
T net.inet.ip.maxchainsent: 0
L net.inet.ip.maxchainsent: 45
T net.inet.ip.rtexpire: 10
L net.inet.ip.rtexpire: 140
T net.inet.tcp.blackhole: 2
L net.inet.tcp.blackhole: 0
T net.inet.tcp.keepidle: 144000
L net.inet.tcp.keepidle: 7200000
T net.inet.tcp.keepinit: 1500
L net.inet.tcp.keepinit: 75000
T net.inet.tcp.keepintvl: 1500
L net.inet.tcp.keepintvl: 75000
T net.inet.tcp.localslowstartflightsize: 4
L net.inet.tcp.localslowstartflightsize: 8
T net.inet.tcp.loginvain: 3
L net.inet.tcp.loginvain: 0
T net.inet.tcp.msl: 600
L net.inet.tcp.msl: 15000
T net.inet.tcp.sendspace: 32768
L net.inet.tcp.sendspace: 65536
T net.inet.tcp.sockthreshold: 256
L net.inet.tcp.sockthreshold: 64
T net.inet.tcp.pcbcount: 41
L net.inet.tcp.pcbcount: 38
T net.inet.tcp.recvspace: 32768
L net.inet.tcp.recvspace: 65536
T net.inet.udp.blackhole: 1
L net.inet.udp.blackhole: 0
T net.inet.udp.loginvain: 3
L net.inet.udp.loginvain: 0
T net.inet.udp.pcbcount: 44
L net.inet.udp.pcbcount: 16
Added
L kern.netboot: 0
L net.inet.ip.random_id: 1
L net.inet.ip.dummynet.debug: 0
L net.inet.tcp.backgroundioenabled: 1
L net.inet.tcp.backgroundiotrigger: 5
L net.inet.tcp.ecninitiateout: 0
L net.inet.tcp.ecnnegotiatein: 0
L net.inet.tcp.inswcksum: 2806591
L net.inet.tcp.insw_cksumbytes: 1244150487
L net.inet.tcp.maxseg_unacked: 8
L net.inet.tcp.outswcksum: 4438883
L net.inet.tcp.outsw_cksumbytes: 4483972145
L net.inet.tcp.rexmt_thresh: 2
L net.inet.tcp.rfc3465: 1
L net.inet.tcp.rtt_min: 1
L net.inet.tcp.socketunlocked_onoutput: 1
L net.inet.tcp.winscalefactor: 3
L net.inet.udp.inswcksum: 5697
L net.inet.udp.insw_cksumbytes: 721922
L net.inet.udp.outswcksum: 4899
L net.inet.udp.outsw_cksumbytes: 445568
L net.inet6.ip6.fw.enable: 1
L net.link.ether.inet.keep_announcements: 1
L net.link.ether.inet.sendconflictingprobes: 1
L net.link.ether.inet.sendllconflict: 0
L net.link.generic.system.dlilinput_sanitycheck: 0
L net.link.generic.system.multithreadedinput: 1
L net.smb.fs.loglevel: 0
L net.smb.fs.tcprcvbuf: 131072
L net.smb.fs.tcpsndbuf: 131072
L net.smb.fs.version: 104000

Hey there,
I believe I'm having the same issue. I'm using Mail.app in 10.5 with a gmail account (IMAP). The issues is that in Tiger we had the IMAP option in the account settings "Advanced" tab to: "Automatically synchronize changed mailboxes." This option appears to be missing, and even more, does not happen in Leopard. What this means is that changes to folders (other than one's that you explicitly open/synchronize manually, will not shows updates in Leopard.
This is especially annoying with the "All Mail" (Archive) folder for Gmail IMAP in Leopard. In order to ensure that your "All Mail" is always up to date, you have to manually open it (to initiate a sync). Otherwise it does not auto update like it does in Tiger.
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I've been meaning to install Leopard for ages but have never got round to it (I bought the retail box when it first came out). I have upgraded my RAM to 2GB and my hard drive to 320GB with no problems.
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I have 2 bootable clones of my present system - one is on a 160GB external and the other is the original 80GB HD that I replaced.
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# Original Tiger in the internal HD, New Leopard in the external HD.
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When I migrated my PBG4 from Panther to Tiger, got an external FW HDD, cloned Panther onto it, upgraded using Archive and Install, cleaned up, customized and tested it. When I was satisfied all was ok, cloned the original Panther onto another partition of the external HDD, wiped and tested for failure the internal HDD, then cloned the known good and tested Tiger into it. Only thing that died along the way was my old and ancient Photoshop v2.x, that refused to run on Tiger.

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Message was edited by: kennethfromtoronto

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-- QuickTime supported image formats
property type_list : {"JPEG", "TIFF", "PNGf", "8BPS", "BMPf", "GIFf", "PDF ", "PICT"}
property extension_list : {"jpg", "jpeg", "tif", "tiff", "png", "psd", "bmp", "gif", "jp2", "pdf", "pict", "pct", "sgi", "tga"}
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on open these_items
repeat with i from 1 to the count of these_items
set this_item to item i of these_items
set the item_info to info for this_item
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set this_extension to the name extension of item_info
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set this_extension to ""
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try
set this_filetype to the file type of item_info
on error
set this_filetype to ""
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try
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Here's the faulty line:
--open the image file
*set this_image to open this_file*
The command open doesn't return anything that could be assigned to the variable this_image.
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*set this_info to the info for this_file*
*set the item_info to info for this_item*
I hope this help.

Syncing 2 operating systems Tiger and Leopard on 1 Mac is this possible ?

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