Veeam Backup

I have schedule a Veeam backup and keep the file for 7 days.

I have run a full backup once only and schedule the task to run differential copy every day.

After 7 days, will Veeam will merge all the differential copy into the previous full backup automatically. Do I need to manually run full backup again at the end of every 7 days ?

Thx
AXISHKAsked:
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Seth SimmonsSr. Systems AdministratorCommented:
After 7 days, will Veeam will merge all the differential copy into the previous full backup automatically.

no
the files will be deleted once the last differential has hit the 7 days which means all the backup files will be there for about 14 days total

Do I need to manually run full backup again at the end of every 7 days ?

no
if it's scheduled, it will do a full backup automatically on the day(s) it is configured to do so
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Dariusz TykaICT Infrastructure Specialist Senior Commented:
It depends on what type of backup you have scheduled. From what you are writing you have configured forever forward incremental backup (initial full backup and then only incremental - not differential backups). Then on 8th day (1 full + 6 increments already) it will create one more increment and merge 1 full with increment following it to have retention in place. And those 7 days are only if you are making backups once a day. Coz Veeam is calling it restore points. As if you making backups twice a day you need to have 14 restore points configured within backup job to have 7 days of retention period.
If you select within a backup job to produce synthetic full or active full backups then it will be forward incremental backup and you can have more than selected within job restore points. You can read more here:
https://helpcenter.veeam.com/docs/backup/vsphere/incremental_forever_backup.html?ver=95
https://helpcenter.veeam.com/docs/backup/vsphere/retention_forever_incremental.html?ver=95

https://helpcenter.veeam.com/docs/backup/vsphere/forward_incremental_backup.html?ver=95
https://helpcenter.veeam.com/docs/backup/vsphere/retention_incremental.html?ver=95
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AXISHKAuthor Commented:
Still can't get the concept ...

For my attached two setting :

For backup01, does it mean Veeam will automatically create a "Full backup" for me automatically ?
For backup02, does it mean Veeam will always update my "Full backup" file + creating a incremental file ? Does it mean I don't need to select the option  "Active full backup periodically" ?

Which one is more preferable ?  Thx
Backup01.png
Backup02.png
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Dariusz TykaICT Infrastructure Specialist Senior Commented:
For backup01 Veeam will create synthetic full backup on Saturday automatically (so new full based on previous full and increments - and all operations will be performed on backup repository - no data wll be pulled from production storage besides latest incremental).
For backup02 Veeam will create active full backup every Friday automatically. Active - means all data will be pulled from production storage and then put into backup file. backup02 is configured as reverse incremental backup so always latest backup will be full backup.
Diffrernce between forward incremental backup and reverse incremental is also load on backup repository - with reverse is much higher load on it.
Which one is best - depends on your requirements. For sure instant recovery from reverese incremental will be faster as all data needs to be pulled from single backup file (oposite to forward one when data resides in full + set of increments).
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