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root@pve ~ # lspci | grep NVM
09:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981
0a:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981
root@pve ~ # lspci | grep NVM
01:00.0 Non-Volatile memory controller: Sandisk Corp WD Black 2018/PC SN720 NVMe SSD
02:00.0 Non-Volatile memory controller: Sandisk Corp WD Black 2018/PC SN720 NVMe SSD
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randReadWrite: (groupid=6, jobs=1): err= 0: pid=4051: Wed Apr 1 11:36:58 2020VS
read: IOPS=15.9k, BW=62.2MiB/s (65.2MB/s)(511MiB/8220msec)
write: IOPS=15.0k, BW=62.4MiB/s (65.4MB/s)(513MiB/8220msec); 0 zone resets
randReadWrite: (groupid=6, jobs=1): err= 0: pid=32265: Wed Apr 1 11:38:27 2020а для этой же операции, но с sync уже лучше SAN:
read: IOPS=12.8k, BW=49.0MiB/s (52.4MB/s)(511MiB/10219msec)
write: IOPS=12.9k, BW=50.2MiB/s (52.7MB/s)(513MiB/10219msec); 0 zone resets
randReadWrite/sync: (groupid=7, jobs=1): err= 0: pid=32310: Wed Apr 1 11:38:27 2020VS
read: IOPS=1713, BW=6852KiB/s (7017kB/s)(402MiB/60001msec)
write: IOPS=1715, BW=6860KiB/s (7025kB/s)(402MiB/60001msec); 0 zone resets
randReadWrite/sync: (groupid=7, jobs=1): err= 0: pid=4098: Wed Apr 1 11:36:58 2020
read: IOPS=795, BW=3183KiB/s (3260kB/s)(187MiB/60001msec)
write: IOPS=803, BW=3212KiB/s (3289kB/s)(188MiB/60001msec); 0 zone resets
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