When I do time machine backups to a network drive I create a sparse
image on that drive so I can set the max size it will occupy, mount that
image and share the mounted image as my time machine backup drive for
another computer. I have this setup to store a couple TM backups to a
Mac Mini that has a single large drive for archives.
CB
On 5/15/17 12:39 PM, Jonathan Cohn wrote:
I have three systems with TimeMachine backups on one HD without using
a separate partition for each. One issue you might run into though is
I don't believe the automatic deletion of old backups works correctly
in this configuration. So as long as you have space on the drive you
should be OK. But when the partition starts to get tight you will need
to do manual deletions of the older backups as described last week on
this mailing list. If you want, you can even turn on Apple File
Sharing and mount the drive from one computer to another and then tell
Time Machine to backup to the Network partition. I haven't tried this
in the last two OS's but I believe it still works.
When you do the Network route, for some reason, the Macintosh creates
a disk image and saves your files to the disk image. I don't believe
this is of any concern, and I think the primary reason is to maintain
User Information and separate encryption availability for each
computer. .
On Mon, May 15, 2017 at 9:54 AM 'Chris Blouch' via MacVisionaries
<macvisionaries@googlegroups.com
<mailto:macvisionaries@googlegroups.com>> wrote:
With the partitions your single external hard drive should appear on
your desktop as two drives. You'll have to decide how much space
to give
each partition. For example, if you have a 1TB drive you might
break it
up into two 500GB partitions. The main issue is that TM does
incremental
backups until whatever drive you give it is full. At that point it
prunes the oldest stuff to make room for newer stuff. In that way, how
far back in time you can go depends on how big the drive is
relative to
how much stuff you need to back up. If you did back up both
machines to
a single large partition it probably would work for a while but
eventually one backup would start getting starved for space as the
other
used up space. Basically you would have two greedy processes not
sharing
well together on the same drive. I have seen tricks where you use disk
utility to create a sparse image on the drive, mount that sparse image
and backup to that. The sparse image can has a cap set on how large it
can get so it would act like a partition, but at that point it
might be
just as easy to make an actual partition.
CB
On 5/15/17 7:06 AM, Ramy Moustafa wrote:
> Thanks so much , but is there anything that i must folloq when
partitioning?
>
> Ramy moustafa saber
> licturer at:
> faculty of musical education
> music arranger and sound engineer
> Sent from my iPhone
>
>> On May 15, 2017, at 9:18 AM, Daniel Chavez
<topdog2...@gmail.com <mailto:topdog2...@gmail.com>> wrote:
>>
>> The only way you'd be able to use the same HD, as far as I'm
aware, is create a separate partition. Then, name the partition's
accordingly. Mac Mini as 1 partition, and MacBookPro as the other
partition, as examples.
>>
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