n🐈
Denis
а куда кешируются данные, в озу?
root@srv1:~# hdparm -tT /dev/md0
/dev/md0:
Timing cached reads: 20198 MB in 1.99 seconds = 10145.87 MB/sec
HDIO_DRIVE_CMD(identify) failed: Inappropriate ioctl for device
Timing buffered disk reads: 526 MB in 3.00 seconds = 175.27 MB/sec
root@srv1:~# hdparm -tT /dev/sdc
/dev/sdc:
Timing cached reads: 19100 MB in 1.99 seconds = 9577.67 MB/sec
Timing buffered disk reads: 424 MB in 3.02 seconds = 140.60 MB/sec
root@srv1:~# hdparm -tT /dev/sdd
/dev/sdd:
Timing cached reads: 18710 MB in 1.99 seconds = 9382.17 MB/sec
Timing buffered disk reads: 300 MB in 3.01 seconds = 99.81 MB/sec
