Re: new harddrive degraded speed

[brainfart@posteo.net]

On 2021-01-20 06:44 PM, Felix Miata wrote:
> brainfart@posteo.net composed on 2021-01-20 17:21 (UTC-0600):
>
> > i bought a new harddrive
> > western digital red plus 6tb
> ...
> > Model Family:     Western Digital Red
> > Device Model:     WDC WD60EFRX-68L0BN1
> ...
> > why is the speed 3.0 gbs
> > i have 4 other drive i have tested with this device and they all  use
> > 6.0 gbs
>
> Have you tried other SATA cables, or switching the ones you have 
> installed among
> the drives?
>
> How do 'hdparm -t' tests compare between it and your others?

this hc4 is a toaster device
no cables
on hc4

6tb drive at 3.0 gbs
 root@hc4:~# hdparm -t /dev/sda

/dev/sda:
 Timing buffered disk reads: 406 MB in  3.01 seconds = 134.83 MB/sec


2tb drive at 6.0 gbs
root@hc4:~# hdparm -t /dev/sdb

/dev/sdb:
 Timing buffered disk reads: 436 MB in  3.00 seconds = 145.27 MB/sec