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I may have some misunderstanding here: I ran the preclear script two times on a 16TB hard drive what took way more than 4 days... After that I clicked format with this unassigned hard drive and chose XFS. Then I stopped the array and added the drive - now 4 drives and one parity drive - and started the array. Now UNRAID preclears the added drive - again. This is the third time... 15 hours to go... Isn't preclearing in advance the way to avoid exactly this procedure because the drive is "marked" as precleared? Do I miss here something or am I doning something here the wrong and stupid way? Can I stop the the third preclearing process. I don't think there is anything happening here with a third procedure...

I am also using the QNAP QXG-10G1T. Don't know why it stopped working. Connections with the integrated NIC are better although it's only 1GB. I will look into your tipps regarding better write speeds.

I solved it! Thanks for the directions! As I wrote I used the config from before - the server wasn't reachable anymore. After a "hard" restart booting Unraid did not work anymore and I "renewed" the unraid files on the USB stick and copied back the config and was getting this strange IP again and again. Well, I switched to the onboard NIC. And everything works again. It seems the 10gb Aquantia card stopped working - I don't know why it does not work anymore. It did before. It doesn't really matter. Since I will move the server to a new Supermicro Case (a dream by the way!) I will replace the card which resides in the PCI x16 slot with a proper LSI SAS/Sata controller which will replace the two Marvel adapters in 2 x1 slots. I will then stick with the onboard NIC or a new 2,5gb Realtek card I bought recently (not sure if unraid has drivers for this). Even with enterprise drives Unraid does not write faster than 80gb/s so a 1 gb card or a 2,5 are sufficient. Thanks for your guys great help - I was starting to get desperate at some point...

Yes it shows: IPv4 address: 169.254.116.178 IPv6 address: not set thor login: Same IP address shows up in the router (Fritzbox).

Partial success... I can boot again up to the login text. However, I can not access Unraid via the web gui and log in... Sigh... Searching the forum again...

Thank you! I hope I can bring the server back to life.

Yes, Germany. It's a pain - now 3kb/s

Maybe a Amazon problem. The download speed with the Unraid creator is sooo slow. 12 kb or even less...

No: AccessDeniedAccess Denied38AEB00CED7F7AACoqxLKgelt1fLT8iTqgSLnSnRE7TWshMf8WLUFNlNppPDiY11T0RNaBKG8uTXVIEXtn/PZggOgMg=

A shutdown messed up my Boot USB Stick and I have do redo it. The USB Creator Tool does not work for me. Download of Unraid takes forever and after finishing I get the message this USB device is not bootable. Is there any Link for a direct download of RC2 available?

There seems to be a problem with MacOS. I am on latest Catalina with all Updates. When I access my media share with around 3700 files I get a spinning wheel and my Mac finder can't list the files. While I can see folders - with some delay - listing files within a folder takes forever - even when there are only 10 files in the folder... This was good with RC1. Accessing Unraid from my windows machine works just fine.

Solved... A reboot did the job.

No. I get 6 to 8 MB/s ...

Thanks for the link, but I am not sure if I understand this correctly. I am copying from my desktop machine (from a ssd) over a 10GB network to another ssd (unassigned device). I am not using any cache whatsoever. The speed should be at least 250 mb/s - without any caching.

I set up an 2 TB SSD as UNASSIGNED device for storing VMs. When I copy something to the disk it is extremely slow. Although I have a 10GB network. Copying a 9GB file from my Mac to the disk is supposed to take more than 45 min. This can't be right. Copying over a VM might take days...

If the docker/app has to be removed, what about VMs created with the old version (Clover)? Do they have to removed / replaced, too? I am new to Unraid...

I agree. I used unbalance too but had to dig in the manual and forums how to remove the disk without issues in a second step. I think a one click solution for the whole process would be better and I think this is quite essential for a NAS software. In Stablebit Drivepool (where the drivepool of several disks can be compared to UNRAIDs array) there is such a function to remove a drive from the pool (i.e. array in UNRAID language). The files are distrubuted to the other drives and when this is finished the drive ist taken out of the pool and is "unassigned".

I intend to start my UNRAID server with 4 Seagate Exos X16 16tb drives - one as parity. I read some older post from 2017 what's better: XFS or btrfs. There was posted that btrfs s would still have some issues since it's in development. Has this changed meanwhile?

Thanks for the fast answer. I have also an LSI HBA. Problem is that the board has only one x16 slot (PCIe 2.0) which is populated with an Aquantia 10gb network card and two x1 slots with the Sata cards. When I use the LSI card - I loose the 10gb network card. Maybe I could replace it with one or two Realtek 2,5gb network cards which fit in the x1 slots. Not sure if these would work with UNRAID.

I have an Asrock Q1900M Board with a Intel® Quad-Core Processor J1900 with two Syba SI-PEX40064 4 Port SATA III PCI-EXPRESS 2.0 x 1 Controller Cards (Marvell 9215) with 8 sata ports from the addon cards in total. Will these controllers work with UNRAID? I read about some issues in the forum but the postings are quite old and refer to older UNRAID versions.

I guess that's the problem why I screed up the OSX VMs. Is there any smart way to move the Proxmox VM config.file over to Unraid XML?

Yes, MacOS is a problem. I tried the method of Spaceinvader One to create a MacOS VM. Worked only once.

Did it work without problems?

I tried out Proxmox some while ago and created several great working VMs (OSX, WIN, SYNOLOGY) that I would like to be able to import UNRAID which suits much better my needs. Can that be done? Is there any importer tool? Both use KVM but I am not sure if VM config files are compatible.