Any Canadian recommendations??
post
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:
| Fewer Letters | More Letters |
|---|---|
| NAS | Network-Attached Storage |
| RAID | Redundant Array of Independent Disks for mass storage |
| SATA | Serial AT Attachment interface for mass storage |
| VPS | Virtual Private Server (opposed to shared hosting) |
| ZFS | Solaris/Linux filesystem focusing on data integrity |
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I have nothing to contribute; I'm scared of used drives. Interested to hear who folks have had good luck with though.
I had some bad luck with buying a SAS harddrive on ebay, bought like 3 in a row from different sellers that turned out to be DOA. To be fair, I was going for the lowest cost I could find for the capacity I wanted and ignoring seller reputation, and I did get full refunds after returning them, it was just a pain to keep installing broken harddrives, documenting how they were broken, repacking them and making trips to the post office. The fourth I bought used from Amazon for a little more money and that one worked, I noticed it was also packaged better, in its own harddrive shaped styrofoam thing instead of crammed in a small box with a thin layer of bubble wrap. The whole elapsed process took months. If I had to do it again I'd probably try more non-Amazon sellers again and try to find one that does packaging better and doesn't try to sell broken shit because I hate Amazon but that is how it played out.
It wasn't that long ago that it was generally accepted that you shouldn't buy secondhand/refurbished drives. The world seems to have turned upside down.
consumer grade vs Enterprise grade. the letter are meant to run non-stop and are often just discarded due to upgrade, not due to problems.
Sure, in a ultra-consumerist world, everybody buy all things new. Now that hard drives cost a kidney, you buy refurbished ones, and you realize that it's not that bad, especially if you use the right mitigations.
And that's a trend that may grow and spread to other things, considering that mondialisation will get increasingly difficult due to geopolitics troubles, and petrol becoming costlier over the next years/decades.
I wouldn’t buy SATA drives second hand, but I’ve had second hand SAS drives in my server for nearly 8 years running as a ZFS pool without a problem.
I buy all of mine used from random people via ebay. I've had a few DOA, and a few start throwing errors after a few years. No issues getting replacements or refunds from sellers within the warranty period. Never had one outright fail, nor have I lost any data from this.
I just checked and it turns out two of my drives are over 95,000 hours, that's nearly 11 years! And they're still going strong with no errors!
I have had luck with this ebay store...hoping this doesn't blow up too much as the prices are still pretty reasonable. But just to note, these are used drives with 20K+ hours on them...SMART data provided for every drive sold. Good luck!
I have several dozen TB of serverpartdeals darddrives. Us based seller. They are extremely professional and prompt and their packaging was incredible.
fairly cheap refurb hard drive seller
Rant:
As a private person, you should avoid refurbished hard drives like the pest!
Imagine buying a used car where the mileage counter has been reset to zero and the vehicle identification number has been tampered with, so that you cannot find out it's history. You see that it looks shiny and you know that it has been checked (well, somewhat), but you don't know that checklist. You even know that nobody knows that checklist.
Seriously, you can only assume the worst about this used hard drive's real condition (years of usage, highest temperature, number of bad sectors...), and also about this reseller.
Refurbished hard drives can only be bought by data centers (or other mass users), where their failure rate is calculated by statistics, but not by 5 or 20 failed drives.
this is true, refurb drives should be avoided unless it's a very good deal. used drives are fine as long as the conditions are clear.
Also, it depends on the problem you are trying to solve and if the good deal lets you buy plenty of spare drives.
I have a 3 server cluster running 9 k8s nodes with persistent storage in Longhorn. While it thrashes the drives a bit more and I lose performance, I opted to use hardware RAID so a drive rebuild would be much easier. (I think with Ceph, it's a step or two more to kick a drive out of the storage pool before you can swap the drive safely. The fact that I can't remember much about Ceph already and it's only been a month or two since I setup a Ceph testing cluster should alone explain my decision.)
Basically, I get volume replication backed by easy to manage and affordable drive replacements. I even get mirrored boot drives too. The setup is fault tolerant to a degree and it gives me enough time to shuffle things around if a server starts to die completely.
All the drives are used and have already had a full life, but yey, the risk is ok because the parts are cheap. I'll probably buy another refurbished server of the same type just for the spare parts, drives and memory. I could even just use the extra server as a cold standby. Whatevers.
The cluster isn't critical, to be perfectly honest. It really just holds a massive tool suite of containers that I need at random times and now I at least have solid templates and ansible confogs for all of those containers anyway. Even the data isn't super critical.
Parts are cheap and my setup allows for disposable drives in a setup where risk tolerance is sky-high.
My NAS is RAID 10 with brand-new drives and read/write cycles are conserved. I care about that data and will probably mirror that storage that to an additional pair of mirrored m.2's to absorb most of the read a cycles while adding an additional redundancy layer. (The hdds would primarily only see write cycles and probably just function as an incremental backup location for specific folders off of the m.2's.)
Those are the cliff notes, and only I attempted to explain how I thought about risk in my setup. Volume over quality for my cluster: I think about fast recovery and how I can parch around a problem during a catastrophic failure. Long term: Multiple layers of redundancy for important data with less concern about price but I have less capacity and speed.
Having spent years around lots of equipment, I view a flashy red light on an HDD as a suggestion to do something about it in a couple of days if the server is just a worker node. (I have been desensitized to most hardware faults, TBH.)
I would agree from random sellers. However serverpartdeals is a pretty known reseller and typically offers a warranty. They also list their testing methods on their website.
Would you be satisfied if all your refurb drives live only for the duration of this warranty?
I wouldn't. Especially as a private buyer (or a small business) I would expect that most of them must live much longer than that.
But after knowing all what is really going on with this refurb business, you have to expect to actually use the warranty, that is, see drives actually fail within the warranty period and then request replacements by warranty claims. Not as an exception, but for a good part of all that you have bought "refurbished".
SMART data will show the data you mentioned; age of the drive, max temperatire, etc.
I always do a full scan of a new drive too - no matter the supplier
For refurbished drives, the SMART values are reset to "new".
@Zwuzelmaus @Cyber Sometimes they are, sometimes they aren't. Even when they are, you've still got smart self test log and error log histories. So Power_On_Hours might be "0", but also might show a short offline test completed at 33,000 hours giving you a hint as to the drive's true age.
Anyways, I buy used/refurbished ones w/ 5yr warranties from goharddrive, and when one failed this year they honored the warranty and sent me a replacement despite current drive prices.. so I'm a happy customer.
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