- [[email protected]~]# time dd if=/dev/zero of=/test.dbf bs=8k count=3 00000
- 300000+0 records in
- 300000+0 records out
- 2457600000 bytes (2.5 GB, 2.3 GiB) copied, 0.640852 s, 3.8 GB/s
-
- real 0m0.643s
- user 0m0.001s
- sys 0m0.640s
- [[email protected]~]# yum install hdarm
- Last metadata expiration check: 2:25:52 ago on Wed 15 Jun 2022 08:16:48 AM CST.
- No match for argument: hdarm
- Error: Unable to find a match: hdarm
- [[email protected]~]# yum install hdparm
- Last metadata expiration check: 2:26:01 ago on Wed 15 Jun 2022 08:16:48 AM CST.
- Package hdparm-9.54-4.el8.aarch64 is already installed.
- Dependencies resolved.
- Nothing to do.
- Complete!
- [[email protected]~]# hdparm -Tt /dev/sda
-
- /dev/sda:
- Timing cached reads: 36528 MB in 2.00 seconds = 18308.10 MB/sec
- Timing buffered disk reads: 1610 MB in 3.01 seconds = 534.50 MB/sec
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