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Raid 5 at home

  • NAS / RAID
  • Laptops
  • Storage
Last response: in Storage
November 3, 2009 5:07:28 PM

I have two desktops and a laptop at home that I share data between right now I have 7 1tb SATA drives in a USB enclosure (since the laptop does not have eSATA) that I move between systems with data. I really want to setup a raid 5 solution to keep my data safe, but as I move it between systems it would either need to be a NAS or hardware raid as software would not work when I moved it? Is there a way to do this without spending to much? I thought about building a third computer and using it as a raid box but I am afraid of the OS crashing and taking the array data with it if I do a shared software raid array.

More about : raid home

November 3, 2009 7:06:58 PM

What is your enclosure for your 7 drives? Or each of them are currently in their own enclosure?
Does your enclosure support RAID?
What are the connections possible to your enclosure?

RAID-5 is a basic setup for safety.

Your choice:
* RAID-5: All 7 drives [6TB]
* RAID-5: 6 drives (one spare) [5TB]
* RAID-6: All 7 drives [5TB] Safe even one HDD crash, Array not compromised

Info OS Crash: Even your OS crash, this does not destroy a RAID. A RAID is like one drive, you can format it, delete files, ... BUT if your Mobo or enclosure break, you must replace it with same thing to rebuild.
November 3, 2009 7:53:04 PM

I have an 8 SATA bay enclosure which has raid 0 and 1 support. I do not want to lose 4 gigs of space when I fill it thus raid 5, but it would have to be software raid and if I move it to a different computer I do not think software raid will be able to be rebuilt there right? So I need to find something that is either network or USB connected with hardware raid 5 support so I can move it between computers.
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a c 127 G Storage
November 4, 2009 3:02:45 AM

I really want to setup a raid 5 solution to keep my data safe

For consumers, the only thing that keeps your data safe is a backup; not onboard RAID5. This may even be more dangerous than not using RAID at all but plain drives. I would say most consumers using RAID lose data more to failures of the RAID itself than due to disk failures.

I do not feel comfortable with the idea consumers who have too little knowledge about RAID thinking their data is safe and coming back in a year with tears in their eyes that all their data is gone while they thought it was safe. USE A BACKUP!

Just my 2 cents. :) 

If you would like to invest in a good RAID solution, maybe you should checkout this thread:
November 4, 2009 3:32:26 AM

+1 sub mesa.

Use a RAID5 setup for the occasional disk failure that could kill a single disk or RAID0 solution. Use a backup to keep the data safe. You consider building a 6-7TB RAID NAS system for your data (freenas?), then use your enclosure for a nice offline backup solution.
November 4, 2009 3:54:26 AM

I was thinking about something like this except that it is more than I want to spend by about $200 and if it fails it is not just replacing a controller card to rebuild the array I would have to replace the whole enclosure I am sure since they probably can not send me just an easily replaced controller.