On Mon, 4 Dec 2017 13:53:53 -0500 Greg Freemyer <greg.freemyer@gmail.com> wrote:
On Mon, Dec 4, 2017 at 1:12 PM, Carlos E. R. <robin.listas@telefonica.net> wrote: [...]
Isengard:~ # hdparm -tT /dev/sda
/dev/sda: Timing cached reads: 2818 MB in 2.00 seconds = 1409.00 MB/sec Timing buffered disk reads: 1352 MB in 3.00 seconds = 450.59 MB/sec Isengard:~ #
Model=KINGSTON SMS200S3120G
It is in fact and "ssd msata" disk, not an NVMe
I'm only getting about 2x you. I'm surprised it's not faster:
# hdparm -t /dev/nvme0n1
/dev/nvme0n1: Timing buffered disk reads: 2700 MB in 3.01 seconds = 897.29 MB/sec
Greg
I've just treated myself to a Samsung 960 EVO NVMe SSD, and I'm getting this: blackbox:~ # hdparm -tT /dev/nvme0n1 /dev/nvme0n1: Timing cached reads: 27666 MB in 2.00 seconds = 13854.20 MB/sec Timing buffered disk reads: 6480 MB in 3.00 seconds = 2159.86 MB/sec Bob -- Bob Williams System: Linux 4.4.92-31-default Distro: openSUSE 42.3 (x86_64) Desktop: KDE Frameworks: 5.32.0, Qt: 5.6.2 and Plasma: 5.8.7