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About jbrukardt

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  1. Mine has two molex'es per backplane, and a single miniSAS that addresses the whole backplane (which is really nice cause my controller has that too, so less cables)
  2. I have a NORCO 4220 with backplane version SAS 3505 version 3.5. I have read multiple reports of poor MOSFET quality on certain versions of the backplane not being able to support the current of newer drives. source: https://wsyntax.com/cs/killer-norco-case/ I previously had this backplane functioning with 1TB drives, fully populated, but I now wish to use it with 8TB drives, and need to understand if It will damage the drives and/or the backplane. Anyone have evidence or response from Norco (already emailed them) about which versions of the backplane are susceptible to damage?
  3. For reference, i just tested this. unRAID did auto grow it. Grew the array, then the volume, in the raid hardware manager. Rebooted into unraid. Disk ID did change, so I had to do "new config", and reassign the larger volume, which was 3tb rather than 2, (as noted i should), but it showed up right away as 3tb, didnt need formatting, or extending, and all my data was there. Im filling it beyond the prior 2tb mark now, just to make sure its actually grown. Thank you all for your excellent advice, on this topic, and all the others i've posted. Ill be sure to update every post with success or failure for those reading in the future that may have the same problem or question.
  4. im absolutely going to test this before going all in, but ive seen nothing but evidence to the contrary: for example: https://forum.openmediavault.org/index.php/Thread/12164-Can-t-mount-unRAID-xfs-drives-in-OMV/
  5. I am about to go all in on unraid, and need to confirm one final thing. My setup will be as follows (for necessary speed). Areca 1280ml > 10x4TB RAID6 > presented to unraid as a single disk, formatted as XFS. No cache disk, no parity disk. I will then let unraid format that single disk, and in an ideal situation, all will be fine. However, if its not, i need to know that i can fully access the array, formatted as XFS, in other linux operating systems. The "custom unraid partition table" concerns me, and ive seen multiple complaints that unraid disks are not readable outside of unraid unless you use data recovery software.
  6. that worked great! thank you very much
  7. I have two arrays presented to unRAID via an Areca 1280ml raid controller. Both raid6. The 10TB array, I have added as a drive to unraid (no parity), and all is working well, formatted it to xfs, etc. I would however like to pass the second array (30TB), which I CANNOT add to unRAID, because its formatted NTFS and full of data, to a specific windows VM i have set up. I have the VM ready to go and running off a vdisk on the unraid pool, and just want to mount this 30tb ntfs formatted array as a secondary disk in the windows VM. Ideas?
  8. Ill be sure to let unraid partition it. Thats interesting though that they use a custom partitioning scheme. Meaning if you wanted to move away from unraid, you couldnt use your xfs formatted drives elsewhere.
  9. yes, test disks Im not gonna play with 40TBs of live data just cause.
  10. thats interesting that unraid might just grow it automatically. would be worth a try. I can easily create a second test array, and experiment. i dont have backup, and i know that a risk, as RAID is not backup. That said, most my data is replaceable (over time) if i were to have a complete failure
  11. hmm, can you provide further details on that? Would unRAID see the disk as "new" and want to format it?
  12. Good morning I am looking to use unRAID in a rather unique configuration that I have seen a few here use. I have a hardware RAID controller, an Areca 1280ML, 16 4tb drives, all configured in a RAID6. I would plan to present this array to unRAID as a single volume, utilize no parity disk (as i have hardware parity), and simply utliize unraid for its docker and NAS functions. The reason i have the RAID behind unRAID is because I need more speed than a single disk can provide. The RAID grants me about 1500MB/S R and 900 MB/s W, which is about what i need for a CCTV application. However, I have one question before i do this. I periodically grow my array when i run out of space (adding additional 4tb drives, and rebuilding the hardware array). In my current setup, I can just expand the volume and filesystem to take advantage of the additional space. I know you can do this on stock XFS with the xfs_growfs -d /myxfs1 command without problems. My question is, does unRAID interfere with this in any way, or can i grow my "singular disk" (from unRAIDs perspective) without data loss.