On Jan 9, 2009, at 4:17 PM, Al Poulin wrote:
> > > On Jan 9, 2009, at 1:16 AM, g3-5-list group wrote: >> >> == 2 of 4 == >> Date: Thurs, Jan 8 2009 2:28 pm >> From: Charles Davis >> >> On Jan 8, 2009, at 3:37 PM, nestamicky wrote: >>> >>> >>> Al Poulin wrote: >>> >>>> I want to use a 1TB external Firewire hard drive initialized in >>>> Apple >>>> Partition Map to make bootable clones of a PPC G4 iBook and two or >>>> three Intel Macs. Each source machine will have its own partition >>>> on >>>> the FW drive. I plan to use "Incremental backup" for File level >>>> copying. >>>> >>> Your project here is perhaps the best yet use of larger harddrives >>> I've >>> seen in a short while. Most of us do file servers, but your idea >>> hear to >>> have bootable partitions of all your systems on an external HD is >>> great, >>> as it will save you so much time when something goes wrong. >>> >>> My question, and maybe Dan would pitch in, do size of the partition >>> on >>> the machine and that on the external drive have to be the exact >>> same? >> >> Not DAN, but my opinion anyway, >> >> The partitions need to be big enough to hold the amount of data >> involved. >> >> I.E. A "BOOT" partition, has to include vacant space to be 'run- >> able' !!! >> A copy (clone) if you are not going to BOOT --- THAT partition, >> doesn't need to include that space. >> BUT, to check that things took properly, and so that you CAN >> operationally boot the 'clone', you will need to have that >> 'space' (less than 10% available 'empty space', leads to operational >> problems. [Don't ask how I know]) > > Thank you, Charles. > You know through conventional wisdom. Or, with small drives or > volumes like a 40 GB drive, allow at least 7 GB of free space. That's like 16% (quick figure in head) --- Not a bad rule to follow. BUT OSX will operate with less 'free' 'head-space', just not at normal speed, and not at all happy about things. Crunch time comes when you are down to the point that 'Empty Trash' won't run because there isn't enough space for it to keep track of what it is doing. At that point, you can go into 'Terminal' and 'remove' things (like deleted Trash, and just MAYBE recover, No guarantee that wis do-able.) > >>>> Is there any utility in having a separate, bootable "universal" >>>> volume >>>> on my FW drive with its own copy of CCC? >> >> If you 'cloned' your OS partition, doesn't it include your copy of >> CCC? It should, and when you boot that 'cloned copy' it will have >> CCC right ready there to use. [Just like you planned it!!! ;-)] > > Understood, but the CCC documentation was ambiguous as to what a "boot > drive" is, to the point of saying to boot from a drive other than the > boot drive. So, having a separate bootable volume for all machines > seemed to be a way to have that third drive. Your letting yourself be confused by 'Wintel Speak' =bootable drive = 1st physical drive of the hardware. Apple does things differently. Don't think 'Bootable Drive', think 'Bootable Partition'. And NOT limited to the first physical 'bootable whatever' the system comes to. >> >>> >>>> Looking at CCC documentation for >>>> backing up "to another Macintosh on your network," it appears that >>>> this method cannot maintain a bootable clone, since the context >>>> deals >>>> with "selected data" to a "folder." Correct? >>>> >> That may be a problem, doing 'incremental' updates to the 'cloned' >> copy. [I think it SHOULD work.] > > That seems to be an angle to try out. I will put some mileage on this > whole project before I attempt messing around in the root accounts to > make this network thing work. But only if someone can tell me that it > WILL work. > Ah, don't be timid!!! There seem to be enough folk who think it will, to give you enough confidence to try it. [It's only time and effort, after all.] Chuck D. > Al Poulin > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
