Am 09.05.2019 um 13:27 schrieb Martin: > [..] >> hdparm -tT /dev/sda >> /dev/sda: >> Timing cached reads: 13348 MB in 2.00 seconds = 6683.42 MB/sec >> Timing buffered disk reads: 1014 MB in 3.00 seconds = 337.72 MB/sec >> >> iotop -o (for rsync and cp) >> Total DISK READ : 0.00 B/s | Total DISK WRITE : 476.15 K/s >> Actual DISK READ: 0.00 B/s | Actual DISK WRITE: 487.86 K/s >> TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND >> 19531 be/4 root 0.00 B/s 476.15 K/s 0.00 % 99.24 % rsync >> --info=progress2 /daten/testfile /daten/testfile2 >> >> iotop -o (for dd) >> Total DISK READ : 0.00 B/s | Total DISK WRITE : 297.68 M/s >> Actual DISK READ: 0.00 B/s | Actual DISK WRITE: 297.68 M/s >> TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND >> 19557 be/4 root 0.00 B/s 297.68 M/s 0.00 % 99.99 % dd >> if=/dev/zero of=/daten/testfile bs=1G count=10 oflag=direct > Show us the 'dd if=/daten/testfile bs=1G oflag=direct of=/dev/null', please. > If this is as slow as this ~480k/s above, check your disk's health status. > Like with smartmontools or some disk-utility software. > > Martin > Fast enough...
dd if=/daten/testfile bs=1G oflag=direct of=/daten/testfile2 10+0 Datensätze ein 10+0 Datensätze aus 10737418240 Bytes (11 GB, 10 GiB) kopiert, 72,7297 s, 148 MB/s dd if=/daten/testfile of=/dev/null 20971520+0 Datensätze ein 20971520+0 Datensätze aus 10737418240 Bytes (11 GB, 10 GiB) kopiert, 36,6887 s, 293 MB/s
