Staggered spinup in 16-bay DAS required?

Hi, from this guide, has anyone who has built this or something similar seen if staggered spinup is required to successfully power on all the drives at startup? Thanks.

I have. I’ve never used staggered spinup.

I have 30 harddrives in the DAS and NSFW. I don’t stagger the drives except that I turn on the DAS first and then turn on the NSFW. So I start up 15 drives at a time, twice. Never a problem.

Thank you both, that’s good to know. I have a small machine with 5 drives, and I plan to attach 16 drives to the DAS.

What happens if you turn the server on, and then the DAS? I am using snapraid in Windows instead of one of the other RAID softwares. I know that doesn’t offer real-time protection.

I really don’t know. I use unraid and I’ve always heard that I was to start the das first and then the server. Also when shutting down first shut down the server and then the das. I’ve always done that and never had a problem.

Both are on a UPS and it’s set to shut down the server when the battery drops to 50% power. The das later shuts down if the battery runs out, or keeps going if the power comes back on. That works well for me.

My server has 15 spinners with 4 SSD’s and the DAS has 15 spinners (w/ 5 more coming online soon). This whole setup powers up and shuts down using a Dual Power Supply 24Pin ATX Motherboard Mainboard Adapter. No problems here.