NAS Box Upgrade Advice

Hi Guys,

One of My Clients has a Thecus  N8800Plus (Firmware Version NAS Box running currently  it has 4 x 1TB HDD in it with a Total Capacity of 2.5 TB of Data Storage Capacity, we are running out of Space with just over 2tb used..
I am Happy to get rid of the current HDD's after the current upgrade of required, I was thinking I could maybe Buy 4 x 3TB HDD in use the other 4 x Spare Spots and create another Raid 5 Array and then port some of the data onto the New Disk Storage.. Before I do anything I would be looking at maybe firmware upgrade and then before that I need to make up a Full Backup of the NAS box, this is a Problem  being able to backup 2TB of Data and then Put it back on the NAS Box in a Timeley Fashion, I currently have backups onto a Network Computer with a Sync Program which is Ok but I dont have any backups to a point in time, which could be an Issue in the future.. please give input of and thoughts if there is a Better way to do this and reasons .. thought will be greatly appreciated..

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Aaron TomoskyConnect With a Mentor Technology ConsultantCommented:
I'd try to copy everything off (twice If you don't already have a backup, raid is NOT backup). Them reconfig the nas as you want, then put it all back. 3tb external drives are cheap. Your gbit Ethernet can do 100mB/s which is about 6 hours for 2tb. Your nas has an Esata port which goes faster, so if you get external drives with Esata this should speed up significantly. You can also look at rsync to do this overnight, then rsync the changes right before the cutover to minimize the downtime.
big_daddy_pimpAuthor Commented:
Thanks.. forgot was open
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