I have a file server 4u rack, loaded with (6) SATA hard drives, each 500GB in capacity. That's amazing considering just a decade ago, I was only using 2x120GB drives and I thought I had all the hard drive space I needed.
Now, 1-3 GB can be used up in a day or weekend just as easily. The culprit? Photos... RAW format photos. If you're using a 1GB CF card, and shooting in RAW, that's a sure fire way to fill up the hard drive fast.
So one of my hard drive set (RAID1) is filled up. That's 500GB of nothing but photos. Time to upgrade and get more space.
I hit mwave.com to see what's the latest and greatest and can't believe my eyes.... I bought (2) 1.5TB each hard drives for less than $200 total.
I'm now installing them and moving all the data from the 500GB drive into the new 1.5TB. Then I'll re-activate the hardware RAID, and insert the 2nd 1.5TB drive to complete the RAID1 mirror. That will give me 3.0TB total, with 1.5TB useful space.
In the meantime, the old 500GB hard drive will be kept in storage as a "backup" current as of 4/16/10. ... every few months, I pull out a drive and put it in storage as a backup. I don't use tape anymore for backups... I just buy a new hard drive.
New 1.5TB drive is currently 7% formatted... this is going to take a long time to finish, then a few more hours copying 500GB of data.
I still have (2) sets of (2x) 500GB in the drive bays (getting close to full)... but not to worry, I also have (3) more empty hard drive bays I can fill up in the future.