On a pretty large system with 1,000+ HDD drives I have a problem where HDD drives are going to sleep or spinning down.
The system is running on Ubuntu 22.04 LTS, as stated in title, but I think it is a more general question to Linux.
On the server I have a mix of SATA and SAS drives, connected through HBA's and JBOD's. I don't think the capacity will matter here.
How can I prevent these drives from spinning down?
Finding out how to do this per drive is obviously my goal, but maybe there is a global system wide solution?
I've already tried:
sudo hdparm -S 254 /dev/sdXX
Or with 0, but I'am getting errors in all these cases like this:
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 01 cf 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
I would be glad if anyone, can guide me towards a solution.
