Stefan Hayden

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Mozy is Good But A Little Weird

I’ve needed a better backup solution for a while and after looking arouns Mozy seemed like the easiest. $5 a month is nothing when you spend all day every day on your computer.

The weird thing seems to be how it handles it’s backups. You can’t delete anything it backs up. I rearranged some of my MP3 files and now Mozy has two copies because it keeps the files structure. At first glance this is horrible. If I rearranged all my MP3s my Mozy backup would be a mess and if my harddrive died it would be pailful to download all the files twice. I wish I could delete files on Mozy.

Mozy’s solution to this seems to be that if you delete or move a file on your computer it keeps a backup… but only for 30 days. Wait… what? They are saying that if I reorganize my MP3s they will delete the old MP3s in 30 days leaving me with just my new file struncture. Great!

But what happens if I delete a file and not notiec it right away? I have a lot of files I want to back up and there is always the chance something could happen to a file without me knowing. Well it seems that if I don’t notice a file is gone in 30 days then Mozy deletes it from my backup. What kind of backup service is this? How about some persistance of data!

I get that it’s a hard problem. If you let people delete stuff from thier backup then you end up needing a backup for your backup when you accidently delete stuff from it. Mozy probably wanted to avoid this and so stoped letting people delete stuff from thier backup. This presented the problem of reorganizing files. The file has moved and it’s backup a new version what should they do with the old version? They decided that could just phase it out in 30 days.

This just seems like a horrible idea. As soon as you delete a file the counter has started and you better notice it’s gone in the 720 hours the file will stick around or it’s gone forever. I want my files to stay on Mozy as ong as I pay for it. I want to manage my own backup and delete duplicates myself. I’m fine if it’s hard to delete with multiple varifications, just make it happen. Other wise the whol idea of a backup doesn’t seem to really hold true.


By saying this, you imply that Mozy should retain every piece of data you ever create, indefinitely. This is ridiculous. It’s a backup service, not a permanent online archive. For $5 / month, if it’s not important enough to retain on your hard drive, why should Mozy bear the cost of keeping it forever? I can see arguing that they should offer a longer retention period (as they apparently provide for Enterprise customers) at an additional cost. But for $5/month unlimited, 30 days seems reasonable.


when people think of backup they think of forever. They don’t have to do that but it’s not what I expect so i would think they could make it more clear.

Besides.. I want to delete files from their service and they will not let me.


I guess you have a choice – you can use Mozy, and accept that after 30 days the backup will be deleted, or you can try a different service. Eg Angel Backup – – where your files are kept forever – but you do have the option of deleting them from the servers.


Stefan, I agree. One of the main reasons I was looking at backup solutions was to free up space on my disk. I have tons of stuff that I dont use regularly but I do want archived. I am currently trying out . They keep the data around unless I delete it explicitly. Was able to free up tons of space on my drive after uploading it there.


Did it actually happen? Are your “obsolete” files still there after 30 days?

In the free version (mozy home), files that have been deleted or moved from your hd and marked for backup are *NOT* removed from the mozy servers after 30 days, and they count against your free quota. I guess this is a way to try to get more paying customers?

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