On Feb 3, 2016, at 2:26 PM, Alfred von Campe <alf...@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. _______________________________________________ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
