SSD backups

  • jflynn
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Post 3+ Months Ago

I am currently running a NAS server with 2.5TB or storage space and just recently had 2 hard drives fail at the same time. (raid 5, goodbye backups).

As I am scramble mode to get everything back up and running, I'm considering switching to Solid State Drives (SSD) to back up to.

Have any of you done this? What is the highest storage space you can get?

Thanks in advance!
  • jflynn
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Post 3+ Months Ago

I just read this article about the reliability of SSD compared to HDD.

http://www.tomshardware.com/reviews/ssd ... ,2923.html

Their conclusion is that the failure rates are almost the same. Interesting.
  • grinch2171
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Post 3+ Months Ago

Personally, I wouldn't use SSD's for backups. I'd stick with large SATA drives for that and keep the SSDs for when performance matters.

If your NAS device allows it, you could switch to RAID6 and that two drive failure would have been no big deal.
  • jflynn
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Post 3+ Months Ago

Yeah, my NAS doesn't support Raid 6. I wasn't using much of the storage space so I'm going to try out Raid 10.

After doing some more research, I agree on staying with SATA drives for backups.
  • grinch2171
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Post 3+ Months Ago

I just ordered parts for a PC and I put in two SSDs (OS and VMs) and one 3TB SATA for data and backups.

I wonder how much of a performance hit SSDs take when in a RAID5 config.
  • jflynn
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Post 3+ Months Ago

The more I look at SSDs the more I don't want to use them in any RAID config.
  • grinch2171
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Post 3+ Months Ago

SSDs are gaining popularity in enterprise SAN applications. There is one company that sells only SSD SANs. They claim each node delivers 50,000 IOPS and up to 24TB per node. Sounds cool but I am sure it is expensive. I think it only supports 10G networks too.

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