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Forum Discussion
SSD Upgrade
We have a variety of Netgear ReadyNAS systems in the field. The disks are getting 'long in the tooth' and a smart person would start to replace.
What is the current thinking regarding SSD repl...
Hi Digital999 , here are my two cents:
You wrote: "What is the current thinking regarding SSD replacement for rotating storage in the ReadyNAS system?"
That heavily depends on the major kind of purpose your nas'es are operated for. If one focuses on streaming or archiving hdd are fine, imho. If you need fast random access instead, ssd might be the first choice.
However, the costs of ssd compared to hdd of the same size might keep you from going for ssd, anyways.
You wrote: "What is the current thinking for eliminating Raid 1 two disks versus one SSD and then having expanded capacity?"
That depends on the number of good backups you might have available. There is a golden rule: If you have 3+ instances of your file available in three different places you could start considering to be "safe".
I also have a question to you. You wrote "The disks are getting 'long in the tooth' and a smart person would start to replace."
What is the indicator you use for your judgement to replace disks. Are those "just" old or are there any errors reported in the logs?
Kind regards
Thank you for taking the time to reply.
Our ReadyNAS systems are deployed in small remote offices -- essentially semi-autonomous locations with no technically skilled personnel.
Access is for business type applications – network traffic is modest at best.
My concern is focused on the cost of correction – time the systems are down and personnel available to fix the issues plus lost productivity. That said, the actual additional cost of SSD units over the expected life expectancy of five plus years becomes inconsequential to the other factors.
I have never heard of the 3+ golden rule but you answered my question from your view – keep your current Raid1 approach for the next round of disk replacements.
My notions of disk replacement relates to their current age and not any measured error rates. To my knowledge we have had only an occasional error circumstance. We have almost 50 of these systems in place and the cost of monitoring them remotely drives me to do replacements as a prophylactic measure not as a reactionary measure.
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