kad kopiram kroz mrezu (samba,ftp, dve razlicite klijent konfiguracije) transfer ide oko 3.5-4 MB/s i tada mi system jede preko 50% procesora. Transfer ide brzo 10MB/s dok ne napuni buffer-e tj. ram i onda se stabilizuje na gore pomenutim brzinama (znaci da je zagusenje u HDD io podsistemu)
evo nekih informacija, samo sam ubacio crtice "-" da bi se lakse citalo.
cemu sluzi onaj dole "dma queued" ? da nije zbog toga ? sta da radim sa tim?
Code:
machina# dmesg | grep -i maxtor
ad6: 239372MB <Maxtor 7Y250P0/YAR41BW0> [486344/16/63] at ata3-master UDMA100
-----------------------------------------------------------------
machina# dmesg | grep -i ata3
ata3: channel #1 on atapci1
ad6: 239372MB <Maxtor 7Y250P0/YAR41BW0> [486344/16/63] at ata3-master UDMA100
-----------------------------------------------------------------
machina# dmesg | grep -i atapci1
atapci1: <CMD 649 UDMA100 controller> port 0xc000-0xc00f,0xbc00-0xbc03,0xb800-0xb807,0xb400-0xb403,0xb000-0xb007 irq 12 at device 15.0 on pci0
ata2: channel #0 on atapci1
ata3: channel #1 on atapci1
-----------------------------------------------------------------
machina# sysctl hw.ata
hw.ata.ata_dma: 1
hw.ata.wc: 1
hw.ata.atapi_dma: 1
-----------------------------------------------------------------
machina# atacontrol info 3
Master: ad6 <Maxtor 7Y250P0/YAR41BW0> ATA/ATAPI revision 7
Slave: no device present
-----------------------------------------------------------------
machina# atacontrol mode 3
Master = UDMA100
Slave = BIOSPIO
-----------------------------------------------------------------
machina# atacontrol cap 3 0
ATA channel 3, Master, device ad6:
Protocol ATA/ATAPI revision 7
device model Maxtor 7Y250P0
serial number Y64KZDXE
firmware revision YAR41BW0
cylinders 16383
heads 16
sectors/track 63
lba supported 268435455 sectors
lba48 supported 490234752 sectors
dma supported
overlap not supported
Feature Support Enable Value Vendor
write cache yes yes
read ahead yes yes
dma queued no no 0/0x00
SMART yes yes
microcode download yes yes
security yes no
power management yes yes
advanced power management yes no 0/0x00
automatic acoustic management yes yes 254/0xFE 192/0xC0
machina# dmesg | grep -i maxtor
ad6: 239372MB <Maxtor 7Y250P0/YAR41BW0> [486344/16/63] at ata3-master UDMA100
-----------------------------------------------------------------
machina# dmesg | grep -i ata3
ata3: channel #1 on atapci1
ad6: 239372MB <Maxtor 7Y250P0/YAR41BW0> [486344/16/63] at ata3-master UDMA100
-----------------------------------------------------------------
machina# dmesg | grep -i atapci1
atapci1: <CMD 649 UDMA100 controller> port 0xc000-0xc00f,0xbc00-0xbc03,0xb800-0xb807,0xb400-0xb403,0xb000-0xb007 irq 12 at device 15.0 on pci0
ata2: channel #0 on atapci1
ata3: channel #1 on atapci1
-----------------------------------------------------------------
machina# sysctl hw.ata
hw.ata.ata_dma: 1
hw.ata.wc: 1
hw.ata.atapi_dma: 1
-----------------------------------------------------------------
machina# atacontrol info 3
Master: ad6 <Maxtor 7Y250P0/YAR41BW0> ATA/ATAPI revision 7
Slave: no device present
-----------------------------------------------------------------
machina# atacontrol mode 3
Master = UDMA100
Slave = BIOSPIO
-----------------------------------------------------------------
machina# atacontrol cap 3 0
ATA channel 3, Master, device ad6:
Protocol ATA/ATAPI revision 7
device model Maxtor 7Y250P0
serial number Y64KZDXE
firmware revision YAR41BW0
cylinders 16383
heads 16
sectors/track 63
lba supported 268435455 sectors
lba48 supported 490234752 sectors
dma supported
overlap not supported
Feature Support Enable Value Vendor
write cache yes yes
read ahead yes yes
dma queued no no 0/0x00
SMART yes yes
microcode download yes yes
security yes no
power management yes yes
advanced power management yes no 0/0x00
automatic acoustic management yes yes 254/0xFE 192/0xC0