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Re: Slow writes to disk

On 11/3/18 1:35 PM, Michael Stone wrote:
On Sat, Nov 03, 2018 at 12:20:34PM -0700, David Christensen wrote:
On 11/3/18 4:58 AM, Michael Stone wrote:
On Fri, Nov 02, 2018 at 07:27:41PM -0700, David Christensen wrote:
3.  Download and run the manufacturer's diagnostic utility (Windows
may be required):
...> Sure. But since this is a debian mailing list it seems silly to worry
about windows. There are other lists for that.

I was warning the OP that the tool for his drive may require Windows.

A good benchmark will stress the drive, possibly causing messages to dmesg and/or /var/log/* that would be helpful for trouble shooting the "slow writes to disk".

It seems unnecessary for someone to install and run tangentally related programs because "possibly" they might generate messages. The odds of that are low enough for it to just be busy work.

When trouble shooting, it is useful to have a means to elicit the failure mode on demand. dbench is especially helpful for intermittent failures, as it does a lot of reads and writes per second.