Changes between Version 30 and Version 31 of malibu/gw3089gblade

Timestamp:

04/19/2023 11:22:56 PM (19 months ago)

Author:

Ryan Erbstoesser

Comment:

add nvme test information

malibu/gw3089gblade

@@ -65 +65 @@
 
 The GBlade needs to be opened up to install a 2280 M-Key NVME flash storage drive. The Gblade supports PCIe Gen 3.0 x4 lanes. 
+
+The NVME drive will show up as /dev/nvme0 and /dev/nvme0n1 respectively in Linux. 
 
 Here are the basic steps to open the case and access the NVME socket. 
@@ -72 +74 @@
  3. Slide out the side plate on the side the LED cable is mounted on. 
  4. The M.2 NVME socket should now be visible and a drive can be inserted. Secure the drive to the PEM towards the front of the unit and reinstall the frontplate. 
+
+Some example NVME speed tests with a Samsung 980 drive:
+
+{{{
+root@jammy-malibu:~# dd if=/dev/nvme0n1 of=/dev/null bs=1M count=10k
+10240+0 records in
+10240+0 records out
+10737418240 bytes (11 GB, 10 GiB) copied, 14.9507 s, 718 MB/s
+
+root@jammy-malibu:~# sudo hdparm -tT --direct /dev/nvme0n1
+/dev/nvme0n1:
+ Timing O_DIRECT cached reads:   3068 MB in  2.00 seconds = 1535.23 MB/sec
+ Timing O_DIRECT disk reads: 4710 MB in  3.00 seconds = 1569.63 MB/sec
+
+}}}
+
 
 == LED