# Pool 1 => pool 2
$ pv /pool1/opt/CentOS-8-x86_64-1905-dvd1.iso > /pool2/opt/CentOS-8-x86_64-1905-dvd1.iso
6,65GiB 0:00:10 [ 655MiB/s] [=====================================>] 100%
# Pool 1 => ssd
$ pv /pool1/opt/CentOS-8-x86_64-1905-dvd1.iso > /ssd/opt/CentOS-8-x86_64-1905-dvd1.iso
6,65GiB 0:00:07 [ 958MiB/s] [=====================================>] 100%
# Pool 2 => pool 1
$ pv /pool2/opt/CentOS-8-x86_64-1905-dvd1.iso > /pool1/opt/CentOS-8-x86_64-1905-dvd1.iso
6,65GiB 0:00:15 [ 439MiB/s] [=====================================>] 100%
# Pool 2 => ssd
$ pv /pool2/opt/CentOS-8-x86_64-1905-dvd1.iso > /ssd/opt/CentOS-8-x86_64-1905-dvd1.iso
6,65GiB 0:00:06 [ 976MiB/s] [=====================================>] 100%
## Rsyncillä sama
# Pool 1 => pool 2
$ rsync -avP /pool1/opt/CentOS-8-x86_64-1905-dvd1.iso_rsync /pool2/opt/CentOS-8-x86_64-1905-dvd1.iso_rsync
sending incremental file list
CentOS-8-x86_64-1905-dvd1.iso
7,135,559,680 100% 270.64MB/s 0:00:25 (xfr#1, to-chk=0/1)
sent 7,137,301,891 bytes received 35 bytes 279,894,193.18 bytes/sec
total size is 7,135,559,680 speedup is 1.00
# Pool 1 => ssd
$ rsync -avP /pool1/opt/CentOS-8-x86_64-1905-dvd1.iso_rsync /ssd/opt/CentOS-8-x86_64-1905-dvd1.iso_rsync
sending incremental file list
CentOS-8-x86_64-1905-dvd1.iso
7,135,559,680 100% 287.47MB/s 0:00:23 (xfr#1, to-chk=0/1)
sent 7,137,301,891 bytes received 35 bytes 291,318,445.96 bytes/sec
total size is 7,135,559,680 speedup is 1.00
# Pool 2 => pool 1
$ rsync -avP /pool2/opt/CentOS-8-x86_64-1905-dvd1.iso_rsync /pool1/opt/CentOS-8-x86_64-1905-dvd1.iso_rsync
sending incremental file list
CentOS-8-x86_64-1905-dvd1.iso
7,135,559,680 100% 230.31MB/s 0:00:29 (xfr#1, to-chk=0/1)
sent 7,137,301,890 bytes received 35 bytes 241,942,438.14 bytes/sec
total size is 7,135,559,680 speedup is 1.00
# Pool 2 => ssd
$ rsync -avP /pool2/opt/CentOS-8-x86_64-1905-dvd1.iso_rsync /ssd/opt/CentOS-8-x86_64-1905-dvd1.iso_rsync
sending incremental file list
CentOS-8-x86_64-1905-dvd1.iso
7,135,559,680 100% 336.15MB/s 0:00:20 (xfr#1, to-chk=0/1)
sent 7,137,301,890 bytes received 35 bytes 331,967,531.40 bytes/sec
total size is 7,135,559,680 speedup is 1.00