In my own experience with Synology and other raid controllers on Windows, it takes about 12-13 hours to rebuild a 2Tb drive and about the double for a 4Tb drive. So in your case, it would take around 2 days for the rebuild of a 8Tb drive. Seems like this how fast the hardware can work these days.
This looks as though it only lets you change the speed_limit_min and speed_limit_max values, but not the stripe_cache_size variable. Still, it'll be nice to be able to set this in DSM and not worry so much about it anymore. Is there any data on what the "Run RAID resync faster" radio button actually changes?
Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. Adjust the RAID Resync Speed Limits | DSM - Synology Knowledge Center
I've been looking in the RAID resync limits section and I notice 3 options: Lower the impact on overall system performance. Run RAID resync faster. Customize. Right now I've got "Run RAID resync faster" selected, and in resource monitor I see the 3 old drives reading at 80MBps and all 4 are writing at 50MBPs.
1 Likes Hi everyone, I have a DS916+ running DSM 7.0. I just spend almost 24h for data scrubbing to run on the new 2x 18tb drives in Raid1 with no data on them. While this was happening the CPU was at 0% all the time and I was not doing anything else on the NAS. The process is just as slow on another identical NAS running DSM6
BakeCityWay • 3 yr. ago Impact is referring to your overall NAS performance. Everything will b slow when you run the resync faster or you can choose to have a slower rebuild but better performance while you use the NAS. r/synology News, discussion, and community support for Synology devices A community to discuss Synology NAS and networking devices
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synology raid resync speed limits
