Ok, this is just showing off now …

One of the two units we are going to ship to a customer very soon.

Running the 19.2TB write. Fill up 1/2 the system. With a single file. Of 19.2TB size. In less than 2 hours. Don’t try this on ext*.

[root@jr5-1 ~]# fio sw-19.2TB.fio 
...
Run status group 0 (all jobs):
  WRITE: io=19200GB, aggrb=3160.7MB/s, minb=3235.1MB/s, maxb=3235.1MB/s, mint=6221566msec, maxt=6221566msec


[root@jr5-1 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/md0               44G  5.7G   36G  14% /
tmpfs                  36G     0   36G   0% /dev/shm
/dev/md2               36T   19T   17T  53% /data

[root@jr5-1 ~]# ls -alF /data
total 20132659248
drwxr-xr-x  2 root root             23 Apr 21 14:54 ./
drwxr-xr-x 27 root root           4096 Apr 21 10:18 ../
-rw-------  1 root root 20615843020800 Apr 21 16:38 19.2TB.1.0

[root@jr5-1 ~]# ls -alFh /data
total 19T
drwxr-xr-x  2 root root   23 Apr 21 14:54 ./
drwxr-xr-x 27 root root 4.0K Apr 21 10:18 ../
-rw-------  1 root root  19T Apr 21 16:38 19.2TB.1.0

Heh.

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