Hey there! We've written this about temperature before: https://www.backblaze.com/blog/hard-drive-temperature-does-it-matter/ https://www.backblaze.com/blog/har

Hey there! We've written this about temperature before: https://www.backblaze.com/blog/hard-drive-temperature-does-it-matter/ https://www.backblaze.com/blog/hard-drive-temperature-does-i.... As for the performance other than total failure, we do keep an eye on SMART stats -> https://www.backblaze.com/blog/hard-drive-smart-stats/ https://www.backblaze.com/blog/hard-drive-smart-stats/ and https://www.backblaze.com/blog/what-smart-stats-indicate-hard-drive-failures/ https://www.backblaze.com/blog/what-smart-stats-indicate-har... so we do monitor their general health as well.