Mam problem z prędkością kopiowania plików na dysku. Jest ona po prostu niska.
Zaraz po starcie systemu wynosi ona ok. 2000kilobajtów/s (kopiowanie przez sambę) - w miarę okej, lecz po pewnym czasie spada ona drastycznie do 500 kb/s, żadne logi nic nie pokazuję dlaczego tak się stało. Wygląda to tak jak by dysk przestawał działać w trybie dma (takie są moje przypuszczenia).
Podaje wynik:
Kod: Zaznacz cały
hdparm -tTKod: Zaznacz cały
debian:/dysk/download/test# hdparm -tT /dev/hdb6
/dev/hdb6:
Timing cached reads: 56 MB in 2.03 seconds = 27.65 MB/sec
Timing buffered disk reads: 16 MB in 3.12 seconds = 5.12 MB/sec
Kod: Zaznacz cały
[ 0.243896] IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.246828] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.247261] TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.247493] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.247533] TCP reno registered
[ 0.248792] NET: Registered protocol family 1
[ 0.250315] checking if image is initramfs... it is
[ 8.687865] Freeing initrd memory: 6027k freed
[ 8.698312] audit: initializing netlink socket (disabled)
[ 8.698455] type=2000 audit(1266677118.696:1): initialized
[ 8.700003] Total HugeTLB memory allocated, 0
[ 8.702705] VFS: Disk quotas dquot_6.5.1
[ 8.703103] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 8.703745] msgmni has been set to 243
[ 8.705839] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
[ 8.705903] io scheduler noop registered
[ 8.705939] io scheduler anticipatory registered
[ 8.705976] io scheduler deadline registered
[ 8.706145] io scheduler cfq registered (default)
[ 8.706600] pci 0000:00:12.4: Boot video device
[ 8.714433] isapnp: Scanning for PnP cards...
[ 9.084920] isapnp: No Plug & Play device found
[ 9.159282] Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
[ 9.160721] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 9.161936] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
[ 9.169031] 00:0e: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 9.171707] 00:12: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
[ 9.211965] brd: module loaded
[ 9.214485] PNP: PS/2 Controller [PNP0303] at 0x60,0x64 irq 1
[ 9.214544] PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp
[ 9.217399] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 9.220804] mice: PS/2 mouse device common for all mice
[ 9.223335] rtc_cmos 00:03: rtc core: registered rtc_cmos as rtc0
[ 9.223472] rtc0: alarms up to one day
[ 9.226448] EISA: Probing bus 0 at eisa.0
[ 9.226660] EISA: Detected 0 cards.
[ 9.226701] cpuidle: using governor ladder
[ 9.226738] cpuidle: using governor menu
[ 9.226820] No iBFT detected.
[ 9.233342] TCP cubic registered
[ 9.233398] NET: Registered protocol family 17
[ 9.233492] Using IPI Shortcut mode
[ 9.236788] registered taskstats version 1
[ 9.238198] rtc_cmos 00:03: setting system clock to 2010-02-20 14:45:19 UTC (1266677119)
[ 9.242540] Freeing unused kernel memory: 320k freed
[ 11.167702] thermal: Unknown symbol acpi_processor_set_thermal_limit
[ 18.490502] 8139cp: 10/100 PCI Ethernet driver v1.3 (Mar 22, 2004)
[ 18.490785] 8139cp 0000:00:0f.0: This (id 10ec:8139 rev 10) is not an 8139C+ compatible chip
[ 18.495836] 8139cp 0000:00:0f.0: Try the "8139too" driver instead.
[ 18.829769] SCSI subsystem initialized
[ 19.235059] 8139too Fast Ethernet driver 0.9.28
[ 19.235344] PCI: setting IRQ 12 as level-triggered
[ 19.235397] PCI: Found IRQ 12 for device 0000:00:0f.0
[ 19.239373] eth0: RealTek RTL8139 at 0xe000, 00:e0:c5:68:dc:f6, IRQ 10
[ 19.239430] eth0: Identified 8139 chip type 'RTL-8139C'
[ 20.101927] usbcore: registered new interface driver usbfs
[ 20.102454] usbcore: registered new interface driver hub
[ 20.103294] usbcore: registered new device driver usb
[ 20.139640] ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver
[ 20.139883] PCI: setting IRQ 15 as level-triggered
[ 20.140009] PCI: Found IRQ 15 for device 0000:00:07.0
[ 20.140267] ohci_hcd 0000:00:07.0: OHCI Host Controller
[ 20.141439] ohci_hcd 0000:00:07.0: new USB bus registered, assigned bus number 1
[ 20.141623] ohci_hcd 0000:00:07.0: irq 11, io mem 0xd8000000
[ 20.228586] usb usb1: configuration #1 chosen from 1 choice
[ 20.229453] hub 1-0:1.0: USB hub found
[ 20.229635] hub 1-0:1.0: 3 ports detected
[ 20.332654] FDC 0 is a National Semiconductor PC87306
[ 20.335529] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001
[ 20.335596] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 20.335642] usb usb1: Product: OHCI Host Controller
[ 20.335681] usb usb1: Manufacturer: Linux 2.6.26-1-486 ohci_hcd
[ 20.335722] usb usb1: SerialNumber: 0000:00:07.0
[ 20.336453] PCI: Found IRQ 12 for device 0000:00:07.1
[ 20.336724] ohci_hcd 0000:00:07.1: OHCI Host Controller
[ 20.337605] ohci_hcd 0000:00:07.1: new USB bus registered, assigned bus number 2
[ 20.337808] ohci_hcd 0000:00:07.1: irq 10, io mem 0xd8001000
[ 20.424535] usb usb2: configuration #1 chosen from 1 choice
[ 20.425395] hub 2-0:1.0: USB hub found
[ 20.425585] hub 2-0:1.0: 2 ports detected
[ 20.534802] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
[ 20.534867] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 20.534913] usb usb2: Product: OHCI Host Controller
[ 20.534952] usb usb2: Manufacturer: Linux 2.6.26-1-486 ohci_hcd
[ 20.534992] usb usb2: SerialNumber: 0000:00:07.1
[ 20.633446] PCI: setting IRQ 10 as level-triggered
[ 20.633499] PCI: Found IRQ 10 for device 0000:00:07.2
[ 20.633748] ehci_hcd 0000:00:07.2: EHCI Host Controller
[ 20.634330] ehci_hcd 0000:00:07.2: new USB bus registered, assigned bus number 3
[ 20.657336] ehci_hcd 0000:00:07.2: irq 12, io mem 0xd8002000
[ 20.665252] usb 1-2: new full speed USB device using ohci_hcd and address 2
[ 20.677282] ehci_hcd 0000:00:07.2: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
[ 20.678369] usb usb3: configuration #1 chosen from 1 choice
[ 20.678951] hub 3-0:1.0: USB hub found
[ 20.679222] hub 3-0:1.0: 5 ports detected
[ 20.733322] hub 1-0:1.0: unable to enumerate USB device on port 2
[ 20.783714] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
[ 20.783781] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 20.783827] usb usb3: Product: EHCI Host Controller
[ 20.783865] usb usb3: Manufacturer: Linux 2.6.26-1-486 ehci_hcd
[ 20.783905] usb usb3: SerialNumber: 0000:00:07.2
[ 20.784525] PCI: setting IRQ 11 as level-triggered
[ 20.784579] PCI: Found IRQ 11 for device 0000:00:13.0
[ 20.784839] ohci_hcd 0000:00:13.0: OHCI Host Controller
[ 20.784961] ohci_hcd 0000:00:13.0: new USB bus registered, assigned bus number 4
[ 20.784961] ohci_hcd 0000:00:13.0: irq 15, io mem 0xd8007000
[ 20.840321] usb usb4: configuration #1 chosen from 1 choice
[ 20.840923] hub 4-0:1.0: USB hub found
[ 20.841376] hub 4-0:1.0: 2 ports detected
[ 20.946882] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
[ 20.946948] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 20.946994] usb usb4: Product: OHCI Host Controller
[ 20.947033] usb usb4: Manufacturer: Linux 2.6.26-1-486 ohci_hcd
[ 20.947074] usb usb4: SerialNumber: 0000:00:13.0
[ 21.593412] usb 3-2: new high speed USB device using ehci_hcd and address 2
[ 21.731426] usb 3-2: configuration #1 chosen from 1 choice
[ 21.736339] usb 3-2: New USB device found, idVendor=0204, idProduct=6025
[ 21.736415] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 21.736466] usb 3-2: Product: Flash Disk
[ 21.736505] usb 3-2: Manufacturer: CBM
[ 21.736548] usb 3-2: SerialNumber: 032047007D9E2402
[ 22.517346] usb 1-2: new full speed USB device using ohci_hcd and address 3
[ 22.730903] usb 1-2: configuration #1 chosen from 1 choice
[ 22.739830] usb 1-2: New USB device found, idVendor=067b, idProduct=2303
[ 22.739894] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 22.739941] usb 1-2: Product: USB-Serial Controller
[ 22.739981] usb 1-2: Manufacturer: Prolific Technology Inc.
[ 23.041421] usb 1-3: new full speed USB device using ohci_hcd and address 4
[ 23.185685] libata version 3.00 loaded.
[ 23.267068] usb 1-3: configuration #1 chosen from 1 choice
[ 23.276307] usb 1-3: New USB device found, idVendor=067b, idProduct=2303
[ 23.276373] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 23.276421] usb 1-3: Product: USB-Serial Controller
[ 23.276461] usb 1-3: Manufacturer: Prolific Technology Inc.
[ 23.945634] Uniform Multi-Platform E-IDE driver
[ 23.945713] ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
[ 24.181553] Initializing USB Mass Storage driver...
[ 24.333923] scsi0 : SCSI emulation for USB Mass Storage devices
[ 24.338913] usbcore: registered new interface driver usb-storage
[ 24.338993] USB Mass Storage support registered.
[ 24.348484] usb-storage: device found at 2
[ 24.348532] usb-storage: waiting for device to settle before scanning
[ 24.943850] CS5530: IDE controller (0x1078:0x0102 rev 0x00) at PCI slot 0000:00:12.2
[ 24.944047] CS5530: not 100% native mode: will probe irqs later
[ 24.944162] PCI: Setting latency timer of device 0000:00:12.0 to 64
[ 24.944299] ide0: BM-DMA at 0xf000-0xf007
[ 24.944430] ide1: BM-DMA at 0xf008-0xf00f
[ 24.944512] Probing IDE interface ide0...
[ 25.530925] hdb: SAMSUNG SP0411N, ATA DISK drive
[ 25.581202] hdb: host max PIO4 wanted PIO255(auto-tune) selected PIO4
[ 25.581348] hdb: UDMA/33 mode selected
[ 25.581446] Probing IDE interface ide1...
[ 26.006072] Clocksource tsc unstable (delta = -62818253 ns)
[ 26.082946] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
[ 26.083267] ide1 at 0x170-0x177,0x376 on irq 15 (serialized with ide0)
[ 26.435698] hdb: max request size: 512KiB
[ 26.445838] hdb: 78242976 sectors (40060 MB) w/2048KiB Cache, CHS=16383/255/63
[ 26.446461] hdb: cache flushes supported
[ 26.446972] hdb: hdb1 hdb2 < hdb5 hdb6 >
[ 27.926745] EXT3-fs: INFO: recovery required on readonly filesystem.
[ 27.926807] EXT3-fs: write access will be enabled during recovery.
[ 29.226418] usb-storage: device scan complete
[ 29.233585] scsi 0:0:0:0: Direct-Access CBM Flash Disk 5.00 PQ: 0 ANSI: 2
[ 29.551096] kjournald starting. Commit interval 5 seconds
[ 29.551243] EXT3-fs: hdb1: orphan cleanup on readonly fs
[ 29.551354] ext3_orphan_cleanup: deleting unreferenced inode 25460
[ 29.551720] EXT3-fs: hdb1: 1 orphan inode deleted
[ 29.551767] EXT3-fs: recovery complete.
[ 29.586639] EXT3-fs: mounted filesystem with ordered data mode.
[ 29.684933] Driver 'sd' needs updating - please use bus_type methods
[ 29.723273] sd 0:0:0:0: [sda] 4012032 512-byte hardware sectors (2054 MB)
[ 29.725931] sd 0:0:0:0: [sda] Write Protect is off
[ 29.726010] sd 0:0:0:0: [sda] Mode Sense: 0b 00 00 08
[ 29.726051] sd 0:0:0:0: [sda] Assuming drive cache: write through
[ 29.740550] sd 0:0:0:0: [sda] 4012032 512-byte hardware sectors (2054 MB)
[ 29.744383] sd 0:0:0:0: [sda] Write Protect is off
[ 29.744460] sd 0:0:0:0: [sda] Mode Sense: 0b 00 00 08
[ 29.744501] sd 0:0:0:0: [sda] Assuming drive cache: write through
[ 29.754328] sda: sda1
[ 29.758345] sd 0:0:0:0: [sda] Attached SCSI removable disk
[ 35.743146] udevd version 125 started
[ 54.718156] input: PC Speaker as /class/input/input0
[ 63.693073] usbcore: registered new interface driver usbserial
[ 63.693379] usbserial: USB Serial support registered for generic
[ 63.693940] usbcore: registered new interface driver usbserial_generic
[ 63.694001] usbserial: USB Serial Driver core
[ 63.789462] usbserial: USB Serial support registered for pl2303
[ 63.789727] pl2303 1-2:1.0: pl2303 converter detected
[ 64.117358] usb 1-2: pl2303 converter now attached to ttyUSB0
[ 64.117535] pl2303 1-3:1.0: pl2303 converter detected
[ 64.162002] usb 1-3: pl2303 converter now attached to ttyUSB1
[ 64.162320] usbcore: registered new interface driver pl2303
[ 64.162376] pl2303: Prolific PL2303 USB to serial adaptor driver
[ 66.828124] Cyrix Kahlua VSA1 XpressAudio support (c) Copyright 2003 Red Hat Inc
[ 66.828377] kahlua: XpressAudio at 0x220
[ 66.828690] kahlua: MPU at 0x330
[ 66.828889] kahlua: XpressAudio on IRQ 5, DMA 1, 5
[ 66.829227] SB 4.12 detected OK (220)
[ 69.229921] Error: Driver 'pcspkr' is already registered, aborting...
[ 71.070279] parport_pc 00:10: reported by Plug and Play BIOS
[ 71.070457] parport0: PC-style at 0x378, irq 7 [PCSPP]
[ 71.751006] gameport: NS558 PnP Gameport is pnp00:14/gameport0, io 0x200, speed 387kHz
[ 79.693579] Adding 136512k swap on /dev/hdb5. Priority:-1 extents:1 across:136512k
[ 80.170176] EXT3 FS on hdb1, internal journal
[ 82.621952] loop: module loaded
[ 88.391862] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
[ 96.104210] NET: Registered protocol family 10
[ 96.110730] lo: Disabled Privacy Extensions
[ 110.505323] lp0: using parport0 (interrupt-driven).
[ 110.649864] ppdev: user-space parallel port driver
[ 118.622488] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 119.623121] nf_conntrack version 0.5.0 (2048 buckets, 8192 max)
[ 123.565226] warning: `proftpd' uses 32-bit capabilities (legacy support in use)
[ 135.379287] tun: Universal TUN/TAP device driver, 1.6
[ 135.379372] tun: (C) 1999-2004 Max Krasnyansky <[email protected]>
Kod: Zaznacz cały
debian:/dysk/download/test# hdparm /dev/hdb6
/dev/hdb6:
multcount = 0 (off)
IO_support = 0 (default)
unmaskirq = 0 (off)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 16383/255/63, sectors = 73657962, start = 4578588
Kod: Zaznacz cały
debian:/dysk/download/test# hdparm -i /dev/hdb
/dev/hdb:
Model=SAMSUNG SP0411N, FwRev=TW100-11, SerialNo=S01JJ40Y307390
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=34902, SectSize=554, ECCbytes=4
BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=off
CurCHS=4047/16/255, CurSects=16511760, LBA=yes, LBAsects=78242976
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 *udma2 udma3 udma4 udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-7 T13 1532D revision 0: ATA/ATAPI-1,2,3,4,5,6,7
* signifies the current active mode
