chocorem Posted August 2, 2021 Posted August 2, 2021 that is a great Tuto ! I have followed the entire steps and wa able to passthrough the HBA, setting up TrueNAS, creating the shares. But when transfering files to the Share, I was only getting 140Mb/s. I checked an iperf3 with a windows VM and only got 1,4 Gbits/sec. I checked and saw I had the virtio-net that I changed to virtio and then the iperf wen to 2,31 Gbits/sec I then tested the Windows VM with the Unraid server and got 8,5 Gbits/sec I do not understand why the virtual network between the trueNAS VM and the server is so slow Quote
GumGum Posted October 6, 2021 Posted October 6, 2021 (edited) Love your videos SpaceInvaderOne. I want to pass the disks directly to the VM. But I am unable to get TrueNas to install. I followed your steps, but keep getting the below error. It keeps going to these retries and eventually fails saying there was a page fault. Edited October 6, 2021 by GumGum Quote
Mosquito Posted October 15, 2021 Posted October 15, 2021 I am running in to the same issue GumGum. Bummer, as this is exactly what I ant, unRAID host with TrueNAS running in it for the read/write benefits of TrueNAS but the flexibility of unRAID for everything else Quote
Stubbs Posted April 22, 2023 Posted April 22, 2023 (edited) On 8/3/2021 at 1:14 AM, SpaceInvaderOne said: Isn't it very risky and unsafe to put 4x 8TB consumer drives into a raidz1? https://www.digistor.com.au/the-latest/Whether-RAID-5-is-still-safe-in-2019 Bit error rate (BER) in storage systems refers to the rate at which a block just cannot be read from the disk, due to not being able to recover data from the PRML (Partial-response maximum-likelihood) and ECC (error correct code) codes on the platter. The entire disk does not necessarily fail, but the read operation to certain block/s cannot be completed. In a RAID environment, this type of failure triggers a reconstruction of the block from the remaining disks. We can assume that B2 block written to Disk 1 cannot be retrieved correctly due to BER. This block’s data can only be reconstructed from blocks B1, B3 and Bp from other drives If URE happens during the rebuilding of a failed drive: Disk 1 failed Disk 2’s C2 block URE There is no way to recalculate both Cp and C2’s data only based on C1 and C3 blocks. The entire C stripe is gone! Then is the last question: how likely that URE would fail the RAID 5 cluster rebuilding? Based on a calculation carried out in a blog (all results are verified by myself): SATA disk (URE = 1e-14) In conclusion, for consumer faced SATA drives, the rebuilding successful rate is very low even for 4 bay SATA 5 array with 1TB disks. It’s nearly impossible to guarantee a successful rebuilding with this type of disk because of its too high URE. Another alarming fact about URE is: it has no correlation to the drive’s age. Edited April 22, 2023 by Stubbs Quote
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