Shirt Pocket Discussions  
    Home netTunes launchTunes SuperDuper! Buy Now Support Discussions About Shirt Pocket    

Go Back   Shirt Pocket Discussions > SuperDuper! > General

Thread Tools Rate Thread Display Modes
Prev Previous Post   Next Post Next
Old 10-02-2009, 06:30 PM
TMay TMay is offline
Registered User
Join Date: Aug 2005
Posts: 118

To amplify Dave's answer a little, SD, unlike Time Machine and some other methods of backing up, does not do ANY incremental backing up. That is, every time it creates a new backup, whether clone of all files or copies of some subset(s,) it puts the new material on the target volume but does NOT retain any older versions. Hence, in a "volume full" situation, it has no way of "managing backups and deleting the oldest versions to make room for new backups," as you put it.

In other words, it has no multiple versions to manage, nor plural backups to choose from. It has only the immediately preceding backup, which it overwrites as needed. Hope this helps.

There are some rather complex (and expensive) commercial backup solutions available which will do various types of true incremental backups, if that's what you want, but even with them, I am not certain of how they handle the "volume full" situation. Retrospect is the one I was familiar with, but now have not used it for about four years since leaving the company where it was employed. At that time, in a target full situation, it would simply copy until that point, then stop, with a message of what it had and had not done, and wait for input/instruction. As Dave said, I am not quite sure what else it could do.

Last edited by TMay; 10-02-2009 at 06:37 PM.
Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Windows equivalent to SuperDuper!? jreffner General 21 08-13-2009 05:36 PM
Dumb question re need to have external hard drive turned on for scheduling of backup Mike Blayney General 4 09-21-2008 05:24 PM
Backup a currently existing MBP drive to a fresh drive with SD? montag General 4 05-22-2008 02:03 PM
How to verify a Scheduled Backup? tuqqer General 3 12-06-2005 06:50 PM
Laptop freezes buring backup kaalm General 5 05-12-2005 04:15 PM

All times are GMT -4. The time now is 01:19 AM.

Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2022, vBulletin Solutions, Inc.