Not as good as the 14TB that is currently OOS, but still pretty good IMO.
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Maybe something environmental in how you were running/storing them?
I've been running 6 of em for years (with robocopy scripts mirroring them in pairs) with no issues-- the pair of 8s I just replaced with a pair of 28s are about 6.5 years old and still working fine as I hand em down to a friend.... the last time I can recall any external spinning drive failing on me was a 4TB one maybe 10 years ago? (and its pair partner was fine, so no data loss-- in fact it's still working today elsewhere)
Or, forgetting personal anecdotes, Backblaze has failure rate data on tens of thousands of drives... out of over 10,000 8TB Barracudas, with an average age of over 8 years per drive, their failure rate is 1.52%
Failure rate on the 8TB EXOS enterprise drives BTW, over 15,000 of those, and only about 7.5 years average life, is actually slightly higher at 1.97%
Did you shuck those 28s or use the default enclosure? This dual mirrors looks like a great idea.
Did you shuck those 28s or use the default enclosure? This dual mirrors looks like a great idea.
Using the enclosure-- the server was already full on physical drives but by removing the 2x8TB externals it freed up two high-speed USB-A ports for the 28s.
Currently the server has:
2x16TB WD Gold Enterprise drives
2x10TB WD Gold Enterprise drives
These are both RAID-1 pairs-- they're a few years old now, back when internal ENT drives weren't significantly more than normal externals).
All of these are "mirrored" via a nightly robocopy script that task scheduler runs.
Nets out to about 80TB usable storage (since you lose half to the mirroring and then a little bit on each for file system overhead)
I've got a pretty healthy amount of free space right now-- but probably if internal drives ever come back to earth on pricing I'd replace the 2x10TB internal pair with something significantly larger and use the 2x10TB to replace a pair of 2x4TB Seagate barracudas I've got in my gaming PC acting as one of the "3"s in the 3-2-1 setup of important data I have.... those 4TB drives are 11 years old now- still working perfectly though.
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I've been running 6 of em for years (with robocopy scripts mirroring them in pairs) with no issues-- the pair of 8s I just replaced with a pair of 28s are about 6.5 years old and still working fine as I hand em down to a friend.... the last time I can recall any external spinning drive failing on me was a 4TB one maybe 10 years ago? (and its pair partner was fine, so no data loss-- in fact it's still working today elsewhere)
Or, forgetting personal anecdotes, Backblaze has failure rate data on tens of thousands of drives... out of over 10,000 8TB Barracudas, with an average age of over 8 years per drive, their failure rate is 1.52%
Failure rate on the 8TB EXOS enterprise drives BTW, over 15,000 of those, and only about 7.5 years average life, is actually slightly higher at 1.97%
Currently the server has:
2x16TB WD Gold Enterprise drives
2x10TB WD Gold Enterprise drives
These are both RAID-1 pairs-- they're a few years old now, back when internal ENT drives weren't significantly more than normal externals).
Plus:
2x28TB external Seagate drives
2x22TB external Seagate drives
2x10TB external Seagate drives
All of these are "mirrored" via a nightly robocopy script that task scheduler runs.
Nets out to about 80TB usable storage (since you lose half to the mirroring and then a little bit on each for file system overhead)
I've got a pretty healthy amount of free space right now-- but probably if internal drives ever come back to earth on pricing I'd replace the 2x10TB internal pair with something significantly larger and use the 2x10TB to replace a pair of 2x4TB Seagate barracudas I've got in my gaming PC acting as one of the "3"s in the 3-2-1 setup of important data I have.... those 4TB drives are 11 years old now- still working perfectly though.
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