I use backuppc to backup several windows servers across the internet.
Some of which are rather large and on slow internet connections.
With frequent disconnects or other random errors it has taken almost a
month to make a full backup of one client, but it finally happened
(40gigs of data, exchange etc).

My question is that,  since it takes so long to make a full backup and
the incrementals go rather quickly, is it safe to do a full backup
every
6 months or so and do incrementals every day?  How would this impact
restoring files?  If im doing incremental backups everyday and they
need to restore their exchange DB for some reason, would i still be
able to get it with only 1 full backup and the rest incrementals?
these are
all level 1 backups. From what ive read level one backups backup
changed from the last level 0 full backup.  Im currently keeping 2
weeks of
incrementals.  What if i wanted to only get a full every 12 months and
just use incrementals every day?  Am i still covered?

I just dont want to get into a situation where i "think" i have a good
backup and then they actually need to restore something and i dont
have
adequate data to restore.

Is there a better option to accomplish this?  Im using rsyncd on the
windows servers and have pre/post scripts that launch a volume shadow
of the drives to backup, then i use exclude/include in backuppc to
tell it what to backup.  Ive slimmed the backup down as much as
possible
to only get important files.  They are in a rural area and the
internet speed is as fast as they can get it.

Thanks for any help and/or advice.

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