Tom, this is exactly what I said. To *support* round robin, not to do
round robin. Support in the meaning of helping someone/something with a
task.
Nils
On 11/06/2018 07:18 PM, Tom Ehlert wrote:
Trim sounds like the old standard "defrag program" which should
be unneeded for flash since all bits get accessed at the same speed.
No spinning disk to move around on.
wrong.
Trim is used for equal usage of memory-cells. It is a mechanism to
support round-robin usage of those cells.
wrong, too.
the drives firmware is responsible to round-robin usage of those
cells anyway. it works even on (almost) full disks, too.
with an OS that doesn't support TRIM, after a while the drive thinks
that all sectors are in use as they have been written at least once.
TRIM (capital letters) is a way for the OS to tell the drives firmware
which sectors are no longer in use. round-robin usage is made easier if
there is more free space available, but works even on completely full
disks as the disk always reserves some space for internal use that is
not visible on the outside. lookup overprovisioning.
Tom
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