On 17/07/2019 15:43, Adrian wrote:
> I'm having some fun and games with a new SSD connected to a Pi via USB. 
> This has happened two days running, I've tried re-partitioning and 
> re-formating the disk, but to no avail.
> 
> I've got the disc partitioned and formatted (ext4), and then I mount it. 
> So far so good.  After about 4 hours of copying data to it from an 
> existing HDD (which it is intended to replace), I get a series of 
> messages informing me that the disc is read only.
> 
> e2fsck informs me :
> 
> e2fsck: No such file or directory while trying to open /dev/sdb1
> possible non-existent device?

Looks like the drive has dropped out due to lack of power. SSD's are 
normally fine to self power from the Raspberry Pi, as long as you have a
decent spec'd power supply, and don't have any other high power USB 
devices, or hats.

---druck

--- SoupGate-Win32 v1.05