Sorry, been away , dealing with some stuff the past week or so. Life happens
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it lets you chose Daily Backup Retention,Weekly Backup Retention , Monthly Backup Retention for as long as you want and as many as you want. will also allow you to
Not so... Their cpanel interface doesn't let you specify how many backups to keep at all. This is very different from the cPanel backup system itself, which lets you specify how many days/months/weeks backups you want to keep (unless using incremental).
With cPremote, there's no option to keep anything more than the most current (day, week, month) when selected. Looking at how they store backups, this is not possible, since they store them in backupdir/weekly/account , backupdir/monthly/account, or backupdir/dayofweek/account. So, basically, you're rotating the backup out every time it's made.
RE: jetbackup and their website.
I first found out about this when purchasing a cPanel license through buycpanel, correct...
This does appear to be exclusively sold through them, but you don't have to have a cPanel license through them... It's just sold as an addon to a cPanel license.
They also seem to use cpanels own backup system,
Not at all.
They maintain one 'full' account backup, and as many snapshhots as you need. Right now, I've got the system set to keep 90 days
cPanel's backup system handles things very, very differently, maintaining just one backup (if incremental is chosen), just like cPremote. You can have one weekly, monthly, daily, that's it. The only differences with cPanel's backup and cPremote are that cPremote lets you back up every day (as opposed to daily, monthly, weekly) and restore from those incrementals
The disk usage for jetbackup is rather nice too. For example, I have an account with 21G of data (my owncloud setup). With 15 uncompressed backups, the storage is only at 73G. I'm not 100% sure as to how they keep that so low, but I'm certainly not one to complain.
I've had to restore a few times from it, and haven't found any problems with the data so far.
The major feature for me with jetbackup was multiple backups, multiple systems. Like I mentioned, I have MySQL databases backed up every 6 hours, since that data is going to be more volatile than anything, and it keeps up rather well.
Adding to this, their ability to limit the client's backup via inode, and charge for restores (with a WHMCS plugin) isn't horrible, either.
Not to sound like I'm shilling for these guys, they have their issues, for sure.. However, so far, this is probably one of the best backup systems I've seen as far as cPanel is concerned. Everyone else is quite limiting with the # of backups you can do, or running just one, or storing in just one place, etc.. Not this system.