Testar Velocidade do Armazenamento

Escrita | Testar a velocidade de escrita

dd bs=128k count=100k if=/dev/zero of=test conv=fdatasync

Exemplo num array RAID1 com 2x M.2 NVMe 1TB
102400+0 records in
102400+0 records out
13421772800 bytes (13 GB, 12 GiB) copied, 7.80817 s, 1.7 GB/s

Exemplo num array RAID1 com 2x SATA6G HDD 1TB
10240+0 records in
10240+0 records out
1342177280 bytes (1.3 GB, 1.2 GiB) copied, 14.8238 s, 90.5 MB/s
 

Leitura | Testar a velocidade de leitura

hdparm -Ttv /dev/mapper/vg1-lv_root

/dev/mapper/vg1-lv_root:
 readonly      =  0 (off)
 readahead     = 256 (on)
 geometry      = 0/0/0, sectors = 1950203904, start = 0
 Timing cached reads:   36902 MB in  2.00 seconds = 18478.49 MB/sec
 Timing buffered disk reads: 10242 MB in  3.00 seconds = 3413.64 MB/sec

Referências

[1] Which benchmark utilities are recommended for testing NVMe transfer performance in a Linux Environment?