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  1. I have started transferring data overnight and am seeing a bunch of the following errors in the system log (BORG is my server's name). Nov 24 12:19:49 Borg kernel: ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20180810/exfield-390) Nov 24 12:19:49 Borg kernel: ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20180810/psparse-514) Nov 24 12:19:49 Borg kernel: ACPI Error: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20180810/power_meter-338) I am just using the default disk settings and the file system is XFS. Is there something I need to change?
  2. It was more than just a case of changing the file system. 2 of the drives came out of a previous unRAID server that had failed drives. I was just making sure these 2 drives were still good prior to putting them back into service as the old box had been sitting idle for some time. The other 2 drives were new drives and my understanding is it's good practice to stress test them at least once before putting them into service. It's all good, the drives precleared just fine and I have a functioning unRAID server again.
  3. Thanks for the explanation. I did not know it was possible to run VMs from a cache drive. At the moment this box is purely for file serving purposes but that may change as I learn more about what unRAID can do. How do you determine the most appropriate cache size for any given array? I have 2 x 4tb and 2 x 5tb drives in mine with 1 of the 5tb drives being a parity drive so I effectively have 13tb of usable space in my array.
  4. I'm assuming it will be used for buffering during large file transfers. I have a lot of data to migrate to this new server, the data is currently on various HDDs spread across multiple machines. Yes, will run with parity on a single drive.
  5. The Preclear tool would not allow me to select the drive for wiping until I unassigned it. In any event it's done now, 2 drives done and 2 to go.
  6. I'm in the process of building up a unRAID NAS box running on a HP Microserver Gen8 platform. I only have 4 3.5" HDD bays all taken up with data drives (2 x 4tb & 2 x 5tb). I can sneak in a cache drive if use a SATA SSD or 2.5" HDD, there is no room for any more 3.5" drives. I will probably only have a single cache drive and am wondering if a 1TB 5400rpm HDD will be enough or should I spend a bit more and go the SSD route? There is only a single SATA port free on the mobo and I will have to piggy back power off something else.
  7. That's okay, I'm going to clear the drives and reformat them anyway. Obviously I need to stop the array before I do this, I'm assuming I also need to unassign the drives.
  8. Thanks JorgeB! I have installed the plugin via community apps but I note it says you also need to separately install the script. Where can I find the script? Edit: Have just reread the 1st post on that thread and note the following "A) the bjp999 script is now included by default.". I can see a preclear.sh file under /boot/config/plugins/preclear.disk/ so I assume the script is included with the plugin install. Also, I note one of my unmountable drives went to XFS format when I formatted it, the other drives are all reiserfs. I'm assuming XFS is the new default filesystem. Since I don't care about the existing content of the drives I'm assuming it's okay just to zap them with a preclear and then format to XFS. Is that correct?
  9. I am in the process of building a new UnRAID server using v6.8.3. I have pulled some of the drives from my previous UnRAID server and am not concerned with retaining any existing data on them. The official documentation seems to suggest a preclear operation is not required but seeing as it's a new build with a mix of old and new drives I thought it might be prudent to clear all the drives before use, plus it would allow me to stress test all the drives before loading live data on to them. It's been a while since I have built an unRAID box so I need some help with locating the Preclear plugin and locating instructions on how to use it. Please point me in the right direction, all help appreciated.