RHEL 8.2 硬盘IO性能测试工具 – hdparm
deployer@rhel8:~$ sudo dnf install -y hdparm
deployer@rhel8:~$ sudo fdisk -l
Disk /dev/vda: 50 GiB, 53687091200 bytes, 104857600 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x2e802c18

Device     Boot   Start       End   Sectors Size Id Type
/dev/vda1          2048      6143      4096   2M 83 Linux
/dev/vda2  *       6144   4200447   4194304   2G 83 Linux
/dev/vda3       4200448 104857599 100657152  48G 8e Linux LVM

Disk /dev/mapper/rhel-root: 44 GiB, 47240445952 bytes, 92266496 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/mapper/rhel-swap: 4 GiB, 4294967296 bytes, 8388608 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
deployer@rhel8:~$ sudo hdparm -t /dev/vda
dev/vda:
 Timing buffered disk reads: 1608 MB in  3.00 seconds = 535.80 MB/sec
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