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Readynas duo v2 with st3000dm001
Dear community I have only I think a simple question since eight years I have got 2x 3 TB hard drives ST3000DM001-9YN166 in my nas. yesterday one gives error and so I want to change the disk with a ne...
Snoopyonline78 wrote:
Dear all, thanks for your help. I decided for the Seagate ironwolf pro 4TB 7200rpm CMR.
Will it work?Yes.
Snoopyonline78 wrote:
Dear community I have only I think a simple question since eight years I have got 2x 3 TB hard drives ST3000DM001-9YN166 in my nas. yesterday one gives error and so I want to change the disk with a new one but I read it in the community that there are problems between the old model of my drive and the new ST3000DM001. somebody knows if I can buy a new model of ST3000DM001 and my raid willwork and syncin properly?
Don't get a new Barracuda.
If you want a 7200 rpm model, you can go with the Exos (ST3000NM005) https://www.newegg.com/seagate-enterprise-capacity-3-5-st3000nm0005-3tb/p/1Z4-002P-00148
If you increase the size to 4 TB or more, you would have more enterprise-class drive options. You won't see any capacity growth immediately - you'd need to replace both drives to get that.
Other 3 TB options include the Seagate Ironwolf drive (ST3000VN007) and the Western Digital TB WD30EFRX (not the WD30EFAX). They aren't 7200 rpm, but they will work fine.
Thanks a lot StephenB!
i have some questions to your answer:
You: Don't get a new Barracuda.
Me: You mean, the new models are not affidable? or is the performance bad?
You: If you want a 7200 rpm model, you can go with the Exos (ST3000NM005) https://www.newegg.com/seagate-enterprise-capacity-3-5-st3000nm0005-3tb/p/1Z4-002P-00148
Me: Thanks, but this means, i have to change the second disk too, or will this be combatile and working in Mirror-Raid mode too?
My wish is to spend as little as possible and have a mirrored raid sistem again
Snoopyonline78 wrote:
You: Don't get a new Barracuda.
Me: You mean, the new models are not affidable? or is the performance bad?
New 3 TB Barracuda drives are SMR drives, which are not well-suited to use in RAID arrays. So the performance will not be good.
Snoopyonline78 wrote:
Me: Thanks, but this means, i have to change the second disk too, or will this be combatile and working in Mirror-Raid mode too?
You can continue to use the second Barracuda.
The new Barracuda drives are SMR, which will cause serious performance issues in RAID. Probably a bit less on that generation of NAS without BTRFS, but still not recommended.
The drives do not have to match except in size or the new one can be bigger, though you get no immediate usable space increase. If the rotation speed doesn't match, the NAS might complain (OS6 units do, I don't know about OS5.x), but it should work just fine.
- Thanks, i’m a little confused.
Stephen told me, to buy WD red drives, but red drives are smr :/
Thanks to all
Snoopyonline78 wrote:
Stephen told me, to buy WD red drives, but red drives are smr :/No, I didn't.
I recommended the Red Plus WD30EFRX drive (which is CMR), and recommended against the Red WD30EFAX - because it is SMR (though I didn't call that out in the earlier post).
Part of WD's response to the SMR backlash was to re-brand their NAS-purposed drives. The SMR ones are all branded as Reds, the CMR models are all branded as Red Plus. Personally I would have done more, but it is good that they at least are making it easier to tell which drives are SMR and which ones are not.
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