Aha i understand now. but all my external HDs will be more than 4 TB, and i will not be able to buy 8 TB HD. All my data now are 8 TB storage, so, must i buy 16 TB hard drive? so, what will be teh 2nd solution?
> On Dec 14, 2018, at 4:31 PM, 'Tim Kilburn' via MacVisionaries > <macvisionaries@googlegroups.com> wrote: > > Hi, > > No, it can be just one backup volume. First limitation is that the backup > volume should be about twice as big as the data being stored. So, if you > have less than 2 TB of data that needs backed up, then a 4 TB Time Machine > backup volume is perfect. If the total is greater than that, you might be > fine, but the backup may run out of space too quickly. All that out of the > way, you just go into your Time Machine pane in System Prefs, press the > Options button and make sure that none of your external drives are excluded > from the backup. Essentially, that's all you need to do. Leave all drives > connected all the time and let Time Machine do its thing automatically. Note > that the first backup may take days as the data is being prepared for and > backed up to the new drive. All subsequent backups should be much faster. > > Later... > > Tim Kilburn > Apple Teacher > (with Swift Playgrounds Recognition) > Fort McMurray, AB Canada > > On Dec 14, 2018, at 06:32, Ramy Moustafa <ramy.moustaf...@gmail.com > <mailto:ramy.moustaf...@gmail.com>> wrote: > > > > My friends: > I finally got 4 tb hard disk, that i plan to use it for weekly backup, > I have more than 3 hard disks that i hope to backup them on this hd, so, must > i divide this new hd to 3 volumes to use time machines? > or what is the best thing? > Thanks for helping.Ramy moustafa saber > licturer at: > faculty of musical education > music arranger and sound engineer > Sent from my iPhone > > -- > The following information is important for all members of the Mac Visionaries > list. > > If you have any questions or concerns about the running of this list, or if > you feel that a member's post is inappropriate, please contact the owners or > moderators directly rather than posting on the list itself. > > Your Mac Visionaries list moderator is Mark Taylor. 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