[GLLUG] Odd SATA Issue - slightly OT

[Ken Smith]

Alain D D Williams via GLLUG wrote:
> On Mon, Dec 24, 2018 at 08:51:09PM +0000, Greater London Linux UUG wrote:
>> Hi Everyone,
>>
>> I have an older centos 6 system that has 3 sata disks in soft raid5.
>> I've noticed that the disk performance has become very poor.
>>
>> I did several "dd if=/dev/sdX of=/dev/null count=10000" tests on the
>> disks and found one of them performing around 1 MB/s while the
>> others are at 150 MB/s or more.
> A cheat fix attempt is to replace the power supply. These tend to fade over time
> and can cause disks to play up - however I would have expected to see errors in
> /var/log/messages
>

Thanks Alain, I hadn't thought of that. I'll measure some voltages first 
and see what I get.

:-) Ken


-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.