[..] > 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
