3 Feb
2016
3 Feb
'16
11:10 p.m.
On Feb 3, 2016, at 2:26 PM, Alfred von Campe alfred@von-campe.com wrote:
On Feb 3, 2016, at 16:13, Warren Young wrote:
A dying hard disk can do it. HDDs try to silently paper over I/O errors, but what they can’t hide is the time it takes to do this. If your HDD is constantly correcting errors at the oxide layer, it will be reeeeeallly sllllow.
You can try running SMART tests on it, though that’s not guaranteed to show the problem.
Well, it’s not “a” disk: it’s a HW RAID of about dozen (server grade) drives
smartctl can see through several different types of RAID controller to the underlying physical disks via its -d option.