WD Red SN700 4000GB, F/W: 11C120WD (Device not ready; aborting reset, CSTS=0x1)

[Justin Piszcz]

On Tue, Nov 25, 2025 at 1:24 PM Wol <antlists at youngman.org.uk> wrote:
>
> Probably not the problem, but how old are the drives? About 2020, WD
> started shingling the Red line (you had to move to Red Pro to get
> conventional drives). Shingled is bad news for linux raid, but the fact
> your drives tend to drop out when idling makes it unlikely this is the
> problem.

For awareness and tracking purposes the drives are a little over a
year old but this issue has been occurring since they were put into
production/use.