On Wednesday, September 6, 2017, Peter Humphrey <pe...@prh.myzen.co.uk> wrote: > On Sunday, 3 September 2017 21:56:43 BST R0b0t1 wrote: >> On Sun, Sep 3, 2017 at 2:39 AM, Peter Humphrey <pe...@prh.myzen.co.uk> > wrote: >> > On Sunday, 3 September 2017 03:34:06 BST R0b0t1 wrote: >> >> On Sat, Sep 2, 2017 at 8:49 AM, Peter Humphrey > <pe...@prh.myzen.co.uk> >> > >> > wrote: >> >> > A week or two ago I was investigating some other weirdnesses and at >> >> > one >> >> > point I zeroed out the first partition: the unformatted one >> >> > containing >> >> > the UEFI data. It took longer than I expected, having only 2MB to >> >> > fill. >> >> > I wonder if it strayed outside the partition... >> >> >> >> Are you trimming your drive? >> > >> > Yes; this is root's crontab: >> > >> > 9 3,15 * * * /sbin/fstrim -a >> >> I think a reduction in drive performance (when you are maintaining it >> properly) is the best argument for being ready to replace the drive, >> as this seems unlikely to happen to me unless the drive is actually >> wearing out. > > I haven't noticed any degradation of performance, though I haven't run any > tests. >
I interpreted the slow zeroing as a performance decrease. If you can benchmark to check you may want to. If that situation doesn't correspond to a general decrease in performance I will be very surprised. >> At the same time I have seen this exact situation fixed by a firmware >> upgrade. Still, this seems more alarming than the other issues you've >> described. > > Do you mean the firmware of the NVMe drive? How would I go about that? I > don't see any mention of firmware on Samsung's site. > Typically a closed source Windows program which may bundle the firmware in it.