Recommendation for simple backup needs
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From: J. J. Lodder on 25 May 2010 17:48 Tony Hall <spam(a)tony-hall.net> wrote: > J. J. Lodder <nospam(a)de-ster.demon.nl> wrote: > > Thanks for replying. > > > Tell SuperDuper to copy your folder to a (sparse) disk image. > > This looks like a possibility. While having to mount disk images would > be slight pain, it would mean that I'd avoid making inadvertant changes > to the backed-up files. SuperDuper will mount them when needed, if the volume they reside on is available. > > Since you have many copies anyway he usual disadvantages of disk images > > don't apply. > > Not sure I understand. But if I understood everything I wouldn't be > asking for advice! Disk images are more vulnerable than Finder volumes. Disk images may become unreadable, beyond possibility of repair. (by Disk Utility) (no mountable file systems found error) That means all data on them are lost. Since you will be having several copies anyway this isn't much of a problem for you. Jan
From: Mark on 25 May 2010 18:58 On Tue, 25 May 2010 22:27:21 +0100, Tony Hall wrote (in article <1jj2hc5.1cdgcow13aqsy9N%spam(a)tony-hall.net>): > Thanks for replying, much appreciated. > >>> I'm not familiar with superDuper, but might it be possible to reformat >>> the external drive(s) into two partitions, use SuperDuper to back up on >>> to one of them, and use the other for the stuff you want to store there? >>> You could size the partitions appropriately. > > This would work, except... > >> Yes, possible, but that forces you to fix the size in advance. For a >> sparse disk image OTOH you only fix the maximum size. It will take up less >> disk space while not full. While it is filling the remaining free space >> can be used for other things, > > I agree with Jan. > > The photos folder is going to continuously grow in size. Which means a > balancing act between the size of the 'other' volume, against how often > I would have to repartition the drive when the 'photos' volume becomes > full. > > Cheers, > Tony There are a couple of partition-resize utilities - one being iPartition <http://www.coriolis-systems.com/iPartition.php> which allow you to resize partitions dynamically (is that the word I want? I mean "while already formatted and holding data"...) Ah - just had a look... won' t work with a Drobo... Cheers ... Mark
From: Elliott Roper on 25 May 2010 20:57 In article <1jj2iuh.9e76du1wiwwnuN%spam(a)tony-hall.net>, Tony Hall <spam(a)tony-hall.net> wrote: <snip>> > I run LR using seperate catalogs (personal pics, current work pics, > archived work pics etc) and would probably do the same with Aperture, > but I don't know how convenient switching libraries is with Aperture. Much better now in Aperture 3. No restart required any more. -- To de-mung my e-mail address:- fsnospam$elliott$$ PGP Fingerprint: 1A96 3CF7 637F 896B C810 E199 7E5C A9E4 8E59 E248
From: Tony Hall on 25 May 2010 21:37 J. J. Lodder <nospam(a)de-ster.demon.nl> wrote: > Disk images are more vulnerable than Finder volumes. Disk images may > become unreadable, beyond possibility of repair. (by Disk Utility) (no > mountable file systems found error) That means all data on them are lost. > > Since you will be having several copies anyway this isn't much of a > problem for you. Aha! Obvious when you point it out. Many thanks. Cheers, Tony
From: J. J. Lodder on 26 May 2010 04:53
Mark <captain.black(a)gmail.com> wrote: > On Tue, 25 May 2010 22:27:21 +0100, Tony Hall wrote > (in article <1jj2hc5.1cdgcow13aqsy9N%spam(a)tony-hall.net>): > > > Thanks for replying, much appreciated. > > > >>> I'm not familiar with superDuper, but might it be possible to reformat > >>> the external drive(s) into two partitions, use SuperDuper to back up on > >>> to one of them, and use the other for the stuff you want to store there? > >>> You could size the partitions appropriately. > > > > This would work, except... > > > >> Yes, possible, but that forces you to fix the size in advance. For a > >> sparse disk image OTOH you only fix the maximum size. It will take up less > >> disk space while not full. While it is filling the remaining free space > >> can be used for other things, > > > > I agree with Jan. > > > > The photos folder is going to continuously grow in size. Which means a > > balancing act between the size of the 'other' volume, against how often > > I would have to repartition the drive when the 'photos' volume becomes > > full. > > > > Cheers, > > Tony > > There are a couple of partition-resize utilities - one being iPartition > <http://www.coriolis-systems.com/iPartition.php> which allow you to resize > partitions dynamically (is that the word I want? I mean "while already > formatted and holding data"...) > > Ah - just had a look... won' t work with a Drobo... I found it didn't work on my standard HFS+ partition either. In most cases partitions are just a pain in the neck. Always the wrong size ultimately. The only exception I had was where one 750 GB disk was mirrorred to a 250 + a 500 one. Jan |