[mythtv-users] Anyone using SSD for long term storage?

[John Drescher]

>>BTW, what causes a drive to just disappear until a hard reboot?
>
> All sorts of things can cause that.  You can blame a passing cosmic
> ray, if you feel like it.  A cosmic ray hit in many types of buffer
> circuit can cause the circuit to lock into a single state and be
> unable to switch states until the substrate power is removed for a
> while.  If the buffer is one in the path that commands take to the
> disk, a stuck bit like that can easily stop it responding at all until
> a power cycle.  Static electricity can do the same, either a discharge
> or a field effect from moving something too near that has a big charge
> on it.  So a drive that stops responding once like that may never do
> it again.  Or it may be a sign of a real problem and it is going to do
> it again very soon.
>

Take a look at the SMART raw data. Are there any pending or offline
uncorrectable sectors? How many reallocated sectors? Reallocation
events? UltraDMA ECC errors?

John