[root@localhost adr]# hdparm -t /dev/hda
/dev/hda:
Timing buffered disk reads: 122 MB in 3.04 seconds = 40.13 MB/sec
[root@localhost adr]# hdparm -c1 -d1 /dev/hda
/dev/hda:
setting 32-bit IO_support flag to 1
setting using_dma to 1 (on)
IO_support = 1 (32-bit)
using_dma = 1 (on)
[root@localhost adr]# hdparm -t /dev/hda
/dev/hda:
Timing buffered disk reads: 120 MB in 3.00 seconds = 40.00 MB/sec
[root@localhost adr]# hdparm -c1 -d1 -m 16 -X69 -a 16 /dev/hda
/dev/hda:
setting fs readahead to 16
setting 32-bit IO_support flag to 1
setting multcount to 16
setting using_dma to 1 (on)
setting xfermode to 69 (UltraDMA mode5)
multcount = 16 (on)
IO_support = 1 (32-bit)
using_dma = 1 (on)
readahead = 16 (on)
[root@localhost adr]# hdparm -t /dev/hda
/dev/hda:
Timing buffered disk reads: 122 MB in 3.03 seconds = 40.26 MB/sec
[root@localhost adr]#
O primeiro teste é sem habilitar o dma! Alguém explica isso? :!: :?:
@ndre^
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