I hope this topic fits here just right.
So a few days ago, I moved my Microserver Gen8 to a friend's place and resetted it.
When we set it up with new disks, the raid-creation in OpenMediaVault (Debian 9.6) failed.
`smartctl` tests passed just fine though and vendor-tools also didn't report any drive errors.
- I start the Raid creation via `mdadm` and after a while (random blocks and times), it fails and the second disk seems to fail (e.g. sda and sdb are creating a raid, then sdb gets "kicked out" and reread as e.g. sdd, sometimes even with only a few GB of space instead of 3TB).
I tried attaching the second disk on ata2 and ata3, but it keeps failing. The one on ata1 works just fine though.
I tried different disks and vendors, but get the same results.
There are some errors in `dmesg`, but I don't know what they mean. I pasted them here: https://pastebin.com/raw/XASQJ6cy
What I did here: I stopped the raid to re-create it, but then didn't do anything for a while and the error still came up.
Can someone help me with this? (As a wild guess, I'd say that somethings wrong with the SATA connections at least on ata2 and ata3).
Thanks in advance
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I have bought Seagate Enterprise ST8000NM055 drives.
There are few things you should know about this model - it is expensive compared to many other 8Tb models, it has extended warranty, it is made with closed drive case so the mounting holes are not screwed through.
The problem is I couldn't put the hole screw inside so the drive isn't fixed and I also got a problem wheh putting the drive rail inside the cage as the screw top makes it too wide.
Has anyone met this problem?
I've bought some spare screws on Ebay to shorten them (I don't want to mess arount with genuine screws) so they can fit but the parcel was lost.