[Info-vax] FREESPADRIFT

[brendan welch]

On 6/12/2016 3:04 PM, Phillip Helbig (undress to reply) wrote:
> What causes the free-space count to become wrong?  Since VMS obviously
> knows about it (otherwise /REPAIR couldn't fix it), why isn't it always
> correct?
>
> Is there any reason not to run ANA/DISK/REPAIR, say, once per day?
>
We found that in a similar situation,  running a program which
continuously defragged disk files, the result was an increase
in hardware errors.
E.g., if a disk had accumulated maybe 3 errors over a course of
months, running the defrag would give maybe 3 more in a few days.