Disk or SATA adapter errors

[pedz]

My system is hanging and I’m pretty sure it is due to a bad disk, a bad disk block, or a clogged SATA adapter.

Which error logs would contain information about these items — hardware errors, disk errors, adapter errors, etc?

Thank you,
Perry

[khiltd]

Disk drivers don’t [i]usually[/i] log errors to disk, since:

A. that’s kind of like calling somebody to tell them their phone is broken, and

B. few logging facilities are available at interrupt time ([url=http://developer.apple.com/documentation/DeviceDrivers/Conceptual/WritingDeviceDriver/DebuggingDrivers/chapter_8_section_5.html#//apple_ref/doc/uid/TP30000701-BAJHHHDA]click for details[/url])

The drive firmware also doesn’t necessarily ever tell anyone when it decides to remap a bad sector.

If you’re particularly adventurous you can give [url=http://lists.apple.com/archives/Darwin-drivers/2007/May/msg00052.html]this[/url] a shot, but using one of the usual drive and filesystem testing utilities would probably be your best bet.

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