Best practice for TM on AEBS with multiple macs

Like many others, I just plugged a WD 1TB drive (mac ready) into the AEBS and started TM.
But in reading here and elsewhere I'm realizing that there might be a better way.
I'd like suggestions for best practices on how to setup the external drive.
The environment is...
...G4 Mac mini, 10.4 PPC - this is the system I'm moving from, it has all iPhotos, iTunes, and it being left untouched until I get all the TM/backup setup and tested. But it will got to 10.5 eventually.
...Intel iMac, 10.5 soon to be 10.6
...Intel Mac mini, 10.5, soon to be 10.6
...AEBS with (mac ready) WD-1TB usb attached drive.
What I'd like to do...
...use the one WD-1TB drive for all three backups, AND keep a copy of system and iLife DVD's to recover from.
From what I'm reading, I should have a separate partition for each mac's TM to backup to.
The first question is partitioning... disk utility see's my iMac's internal HD&DVD, but doesn't see the WD-1TB on the AEBS. (when TM is activity it will appear in disk utility, but when TM ends, it drops off the disk utility list).
I guess I have to connect it via USB to the iMac for the partitioning, right?
I've also read the benefits of keeping a copy of the install DVD's on the external drive... but this raises more questions.
How do I get an image of the install DVD onto the 1TB drive?
How do I do that? (install?, ISO image?, straight copy?)
And what about the 2nd disk (for iLife?) - same partition, a different one, ISO image, straight copy?
Can I actually boot from the external WD 1TB while it it connected to the AEBS, or do I have to temporarily plug it in via USB?
And if I have to boot the O/S from USB, once I load it and it wants to restore from the TM, do I leave it USB or move it to the AEBS? (I've heard the way the backups are created differ local vs network)>
I know its a lot of question but here are the two objectives...
1. Use TM in typical fashion, to recover the occasion deleted file.
2. The ability to perform a bare-metal point-in-time recovery (not always to the very last backup, but sometimes to a day or two before.)

dmcnish wrote:
From what I'm reading, I should have a separate partition for each mac's TM to backup to.
Hi, and welcome to the forums.
You can, but you really only need a separate partition for the Mac that's backing-up directly. It won't have a Sparse Bundle, but a Backups.backupdb folder, and if you ever have or want to delete all of them (new Mac, certain hardware repairs, etc.) you can just erase the partition.
The first question is partitioning... disk utility see's my iMac's internal HD&DVD, but doesn't see the WD-1TB on the AEBS. (when TM is activity it will appear in disk utility, but when TM ends, it drops off the disk utility list).
I guess I have to connect it via USB to the iMac for the partitioning, right?
Right.
I've also read the benefits of keeping a copy of the install DVD's on the external drive... but this raises more questions.
Can I actually boot from the external WD 1TB while it it connected to the AEBS, or do I have to temporarily plug it in via USB?
I don't think so. I've never tried it, but even if it works, it will be very slow. So connect via F/W or USB (the PPC Mac probably can't boot from USB, but the Intels can).
And if I have to boot the O/S from USB, once I load it and it wants to restore from the TM, do I leave it USB or move it to the AEBS? (I've heard the way the backups are created differ local vs network)
That's actually two different questions. To do a full system restore, you don't load OSX at all, but you do need the Leopard Install disc, because it has the installer. See item #14 of the Frequently Asked Questions *User Tip* at the top of this forum.
If for some reason you do install OSX, then you can either "transfer" (as part of the installation) or "Migrate" (after restarting, via the Migration Assistant app in your Applications/Utilities folder) from your TM backups. See the *Erase, Install, & Migrate* section of the Glenn Carter - Restoring Your Entire System / Time Machine *User Tip* at the top of this forum.
In either case, If the backups were done wirelessly, you must transfer/migrate wirelessly (although you can speed it up by connecting via Ethernet).

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As you might imagine, I'd prefer not to remove all of those packages just to switch my libgl providing package and then re-install.
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With regard to user activity in the whole users will be fixed but their will be floaters such as managers and the owners that may at times float from one office to the other and would beneift from logging into any machine and getting their profile.
I have thought about VPN's as I have acheieved this type of setup with Microsoft server products, I have found speed issues in some cases, how can this be acheived using OS X, are there any how to docs around? In the Microsoft setup I acheived this using netgear VPN Firewalls which ofcourse adds an overhead, can this be acheived using OS X propietary VPN software?
So ultimatley I would prefer to have the one domain without subs "sunflower.com" and users to be able to login to their profiles from either location. The main location now will remain as headoffice and the primary location and the new will be satelites.
I hope that covers all of your other question, again many thanks for your comments and time.
Kind Regards
Anthony

Best Practices for viewing home video on my Mac

Come on people - THERE HAS TO BE A BEST PRACTICE out there for storing and viewing family video!!
I'm the typical dad out there taking photos and video of my kids playing soccer, family trips ect ...
When I get home I hook my camera up to my MacMini (which is hooked up to my Plasma TV - and backed up to an external HD) and within mere seconds, my photos are nicely captured in iPhoto. Friends and family come over, I flip on the MacMini, select iPhoto (or Front Row) and we enjoy great slide shows.
I want to be able to have the same easy access to my videos -flip on my MacMini, start Front Row, view my various home movies, pick one and enjoy the show.
What is the best way to do this?
Current Technology
Canon HV20
iMovie 08
iPhoto 08
Front Row

Thanks for the welcome WC! And thanks for the initial help.
I have never exported video before (sad but true), so I have a couple "Workflow" questions for you or anyone else that knows this stuff
1) Should I assume I just hook my firewire up from my Canon to the MacMini and everything just starts to export?
2) Once exported into iMovie, I assume I can edit out some of the garbage (example - my wife sometimes forgets to turn off the camcorder and she'll video her leg or the ground for minutes at a time - I'd like to trash that.
3) Once edited, how do I move it into iTunes?
I will probably need to take an iMovie class ...

What is best practice for using a SAN with ASM in an 11gR2 RAC installation

I'm setting up a RAC environment. Planning on using Oracle 11g release 2 for RAC & ASM, although the db will initially be 10g r2. OS: RedHat. I have a SAN available to me and want to know the best way to utilise that via ASM.
I've chosen ASM as it allows me to store everything, including the voting and cluster registry files.
So I think I'll need three disk groups: Data (+spfile, control#1, redo#1, cluster files#1), Flashback (+control#2, redo#2, archived redo, backups, cluster files#2) and Cluster - Cluster files#3. So that last one in tiny.
The SAN and ASM are both capable of doing lots of the same work, and it's a waste to get them both to stripe & mirror.
If I let the SAN do the redundancy work, then I can minimize the data transfer to the SAN. The administrative load of managing the discs is up to the Sys Admin, rather than the DBA, so that's attractive as well.
If I let ASM do the work, it can be intelligent about the data redundacy it uses.
It looks like I should have LUN (Logical Unit Numbers) with RAID 0+1. And then mark the disk groups as extrenal redundancy.
Does this seem the best option ?
Can I avoid this third disk group just for the voting and cluster registry files ?
Am I OK to have this lower version of Oracle 10gr2 DB on a RAC 11gr2 and ASM 11gr2 ?
TIA, Duncan

Hi Duncan,
if your storage uses SAN RAID 0+1 and you use "External" redundancy, then ASM will not mirror (only stripe).
Hence theoretically 1 LUN per diskgroup would be enough. (External redundancy will also only create 1 voting disk, hence only one LUN is needed).
However there are 2 things to note:
-> Tests have shown that for the OS it is better to have multiple LUNs, since the I/O can be better handled. Therefore it is recommended to have 4 disks in a diskgroup.
-> LUNs in a diskgroup should be the same size and should have same I/O characteristica. If you now have in mind, that maybe your database one time will need more space (more disks) than you should use a disk size, which can easily be added, without waisting too much space.
E.g:
If you have a 900GB database then does it make sense to only use 1 lun with 1TB?
What happens if the database grows, but only grows slightly above 1TB? Then you should add another disk with 1TB.... You loose a lot of space.
Hence it does make more sence to use 4 disks á 250GB, since the "disks" needed to grow the disk groups can be extended more easily. (just add another 250G disk).
O.k. there is also the possibility to resize a disk in ASM, but it is a lot easier to simple add an additional lun.
PS: If you use a "NORMAL" redundancy diskgroup, then you need at least 3 disks in your diskgroup (in 3 failgroups) to be able to handle the 3 voting disks.
Hope that helps a little.
Sebastian

Best practice for TM on AEBS with multiple macs

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