B
Bill in Co
Flightless Bird
VanguardLH wrote:
> Henry wrote:
>
>> Running WinXP Pro SP2 on Dell with 3G CPU and 2G RAM.
>>
>> I bought a Seagate external hard drive for backup purposes and now I'm
>> looking for a good backup program. The one that came with the Seagate
>> isn't very good because it makes you backup on a schedule rather than
>> when you want and Microsoft's SyncToy is worthless because I don't
>> have all of my folders under My Documents so I have to make folder
>> pairs for each folder.
>>
>> If there is something free out there that would be great. I'd like to
>> be able to have the program run and only change the folders/files that
>> have changed since the last time I backed up.
>
> http://www.paragon-software.com/home/db-express/
>
> Doesn't do incremental image backups but will do differential image
> backups.
>
> If you have 5 incremental backups since the prior full backup, all 6
> backups must be available and usable to do the image restore; i.e., you
> need full + incr1 + incr2 + incr3 + incr4 + incr5. Incrementals consume
> the least disk space but only record the changes made since the prior
> incremental backup. The longer the chain of backups the more vulnerable
> you are to loss if one of the incrementals is not usable.
>
> Differentials track changes made since the full backup, not from a prior
> incremental or differential backup. Differentials consume more space
> than incrementals but are smaller than full backups. Each differential
> backup gets progressively larger since it records changes between now
> and the last full backup. Restore only need 2 backups: full + diff.
>
> Other free imaging programs usually only let you save full images.
> Paragon is the only that I know of (so far) where its free version also
> does something less than a full image, like a differential. I don't
> know of a free one that does incremental image backups.
But why bother with the incremental or differential backups, and their
limitations as mentioned, if a full and complete image backup only takes
about 10 minutes (at least over here, for 20 GB of data on C.
> Henry wrote:
>
>> Running WinXP Pro SP2 on Dell with 3G CPU and 2G RAM.
>>
>> I bought a Seagate external hard drive for backup purposes and now I'm
>> looking for a good backup program. The one that came with the Seagate
>> isn't very good because it makes you backup on a schedule rather than
>> when you want and Microsoft's SyncToy is worthless because I don't
>> have all of my folders under My Documents so I have to make folder
>> pairs for each folder.
>>
>> If there is something free out there that would be great. I'd like to
>> be able to have the program run and only change the folders/files that
>> have changed since the last time I backed up.
>
> http://www.paragon-software.com/home/db-express/
>
> Doesn't do incremental image backups but will do differential image
> backups.
>
> If you have 5 incremental backups since the prior full backup, all 6
> backups must be available and usable to do the image restore; i.e., you
> need full + incr1 + incr2 + incr3 + incr4 + incr5. Incrementals consume
> the least disk space but only record the changes made since the prior
> incremental backup. The longer the chain of backups the more vulnerable
> you are to loss if one of the incrementals is not usable.
>
> Differentials track changes made since the full backup, not from a prior
> incremental or differential backup. Differentials consume more space
> than incrementals but are smaller than full backups. Each differential
> backup gets progressively larger since it records changes between now
> and the last full backup. Restore only need 2 backups: full + diff.
>
> Other free imaging programs usually only let you save full images.
> Paragon is the only that I know of (so far) where its free version also
> does something less than a full image, like a differential. I don't
> know of a free one that does incremental image backups.
But why bother with the incremental or differential backups, and their
limitations as mentioned, if a full and complete image backup only takes
about 10 minutes (at least over here, for 20 GB of data on C.