July 27, 20241 yr I built a few new Unraid servers at my workplace for large amounts of video footage for post production, but for some reason when transfering these large amounts of larger files wheather through USB or over the 10Gig Network the transferes will always transfer between around 120MBps-160MBps for about a minuite or so, and then drop to 0MBps for about 15 seconds, and will continue doing this over and over until the file has moved onto the server which slows transfers down by days. I've noticed that individual CPU threads will also spike to 100% then drop off and then another CPU thread will Spike to 100% and continue doing this over and over as well. It's a 12900K processor so there's plenty of CPU threads available. All the drives are supposidly healthy according the UNRAID, and i'm NOT using a cache drive, so these transfers are going directly to the Array. I'm also using a 10Gbps networking card in the server, but have done the same in the other servers which havent had this problem. Not sure where to even start looking for a solution. Has anyone had this problem? Thanks,
July 27, 20241 yr Author 12 hours ago, JorgeB said: Try using this actually slowed down my transfer speed slightly, but didnt do anything to change the Stalling and starting problem unfortunately.
July 27, 20241 yr Community Expert Post the diagnostics during the transfer of large files only, and also include the Windows explorer graph.
July 28, 20241 yr Author 11 hours ago, JorgeB said: Post the diagnostics during the transfer of large files only, and also include the Windows explorer graph. I've attached the diagnostics file while it's in the middle of transferring around 6TB of large files. It is currently starting and stalling during the entire process. Thanks for your help server-diagnostics-20240727-2117.zip Edited July 28, 20241 yr by Darrel Dearth
July 28, 20241 yr Community Expert There's a known issue with array write speed when using zfs, try a different filesystem with turbo write.
July 30, 20241 yr Author On 7/28/2024 at 2:50 AM, JorgeB said: There's a known issue with array write speed when using zfs, try a different filesystem with turbo write. after looking into the zfs transfer speed issues in the other posts it doesnt seem the issue is supposed to start and stall the transfer over and over until the data is transfered. Is that correct? or is that something that's currently part of the zfs transfer issues that's happening to other users? It doesnt happen on the xfs systems i have though
July 30, 20241 yr Community Expert 10 minutes ago, Darrel Dearth said: fter looking into the zfs transfer speed issues in the other posts it doesnt seem the issue is supposed to start and stall the transfer over and over until the data is transfered. Is that correct? It can present like that.
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