That makes sense. I poked at the sparseimage 'file' using terminal and
it actually is a directory. It had a handfull of text files (config
stuff I would guess) and then a jillion 83MB files all numbered in
order. I guess they just add or remove capacity on the virtual volume by
adding or removing another 83MB file. Interesting.
CB
Jonathan Cohn wrote:
Sarah,
No, I have done this and there were no issues. (including doing a
restore.) My wife's computer generally does not have time machine on
it, but before doing a maintenace I was able to save everything and
then restore it. Also, when my daughter went to college I was able to
migrate just her user account from the time machine backup onto her
college computer.
Chris, I believe that a disk sparse image is actually a package with
several files hidden in one directory. I had read an article that
using sparse disk images is a good way to keep some materials on your
computer more secure. You can set an encription for the sparse disk
image. But since it is actually several files under the hood,
TimeMachine can just backup the sectors that changed rather then the
entire image.
Best regards,
jon
On 28/07/2010, Sarah Alawami <[email protected]> wrote:
What if you hook your time capsul to someone else's computer and run time
machine on there's? will you loose your back up?
On Jul 28, 2010, at 12:16 PM, Chris Blouch wrote:
A time machine backup will live in the folder Backups.backupdb when
backups are run locally. When run over a network Time Machine creates a
disk image called ComputerName.sparseimage which seems to be one giant
file.
CB
Jonathan Cohn wrote:
I am fairly certain that Time Machine places all the backup
information into a very specific directory on your back-up drive. If
this is the case, and if this directory does not exist on your Primary
disk then you should be OK.
I know that Carbon Copy can co-exist if it is run first. Perhaps you
want to get a coppy of the take Control book on backups. Take control
books are 50% off this week.
(Read the instructions in Tidbits.com for how to get the discount).
Jon
[And no, I get no kickbacks from the Tidbits / Take Control group, I
have just found them always to be useful and current]
On 21/07/2010, Chris Blouch
<[email protected]>
wrote:
I didn't see any replies to this yet. I haven't used carbon copy cloner.
Does it make it's backup into a single file? If so you could probably
store that on the 1TB drive. That said, Time Machine's backup folder
simply stores incremental backups until it fills up the volume and then
starts deleting the oldest backups. So sooner or later that volume will
fill up. I just put a 2TB drive in my other machine for TM backups and
partitioned it into two 500GB volumes and a 1TB volume. The two 500s I
use for two time machine backups, my laptop over the network and the
local machine. Then the 1TB volume is just for general use. That seems
to work well. I haven't done enough re-partitioning to know if you can
resize or not without losing data. Even if you did, you could just run
another time machine backup after you're done. Chances of failure of
your machine at the same time that you're reconfiguring backups is
pretty small. Because everything should just be files on the backup
volume you shouldn't have anything stepping on anything.
CB
Mary Otten wrote:
Hi all,
I have a 1 tb hard drive which is being used by time machine. But I
would
also really like to have a bootable back up, and I know TM does not do
this. I have carbon copy cloneer, which will make bootable back ups.
Question is, and perhaps its a stupid one, are the applications smart
enough not to step on each others data? If the drive were partitioned,
that would be an obvious way to solve the problem. But it isn't, and
I've
got several months worth of time machine backups on it already, so
should
think partitioning at this time would not be possible without data
loss.
is that correct?
Mary
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