Î÷åíü ìåäëåííàÿ ñêîðîñòü ïðè ðàáîòå ñ HDD

Ïîñëå ìíîãîëåòíåé ýêñïëóàòàöèè ïîëîìàëñÿ íîóòáó÷íûé æåñòêèé äèñê íà ðîóòåðå.
Áûëî ðåøåíî óñòàíîâèòü SSD ìàëîé åìêîñòè - íà òåêóùèé ìîìåíò òîððåíòû è ôàéëîâàÿ ïîìîéêà ïåðååõàëà íà nas è ïîýòîìó â áîëüøîì äèñêå óæå íàäîáíîñòè íå áûëî, êðóòèëèñü íåñêîëüêî ñåðâèñîâ, êîòîðûå áîëüøîãî îáúåìà íå òðåáóþò.
SSD íîðìàëüíî ïîäêëþ÷èëñÿ, ñêðèïòû è ïðîãè ïåðåáðîñèë ñ áýêàïà è âðîäå êàê âñ¸ íîðìàëüíî çàðàáîòàëî, íî...
Îáðàòèë âíèìàíèå ÷òî ñêîðîñòü ðàáîòû ñ äèñêîì 500-600 êáàéò â ñåêóíäó (÷åðåç Ñàìáó).
Íà÷àë ýêñïåðèìåíòèðîâàòü è îáðàòèë âíèìàíèå ÷òî â ðåæèìå USB 2.0 Only - æåñòêèé äèñê âîîáùå íå îáíàðóæèâàåòñÿ, ïðè ýòîì â 1.1 ïðåêðàñíî ðàáîòàåò, íî ñêîðîñòü 500-600 êá/ñåê.

Âûãëÿäèò ýòî òàê:

USB 1.1

Code:

Jan 1 02:00:03 kernel: usb.c: registered new driver usbdevfs Jan 1 02:00:03 kernel: usb.c: registered new driver hub Jan 1 02:00:03 kernel: usb-uhci.c: $Revision: 1.275 $ time 14:27:19 Feb 9 2012 Jan 1 02:00:03 kernel: usb-uhci.c: High bandwidth mode enabled Jan 1 02:00:03 kernel: PCI: Enabling device 01:03.0 (0000 -> 0001) Jan 1 02:00:03 kernel: UHCI: Enabling VIA 6212 workarounds Jan 1 02:00:03 kernel: usb-uhci.c: USB UHCI at I/O 0x100, IRQ 12 Jan 1 02:00:03 kernel: usb-uhci.c: Detected 2 ports Jan 1 02:00:03 kernel: usb.c: new USB bus registered, assigned bus number 1 Jan 1 02:00:03 kernel: hub.c: USB hub found Jan 1 02:00:03 kernel: hub.c: 2 ports detected Jan 1 02:00:04 kernel: PCI: Enabling device 01:03.1 (0000 -> 0001) Jan 1 02:00:04 kernel: UHCI: Enabling VIA 6212 workarounds Jan 1 02:00:04 kernel: usb-uhci.c: USB UHCI at I/O 0x120, IRQ 12 Jan 1 02:00:04 kernel: usb-uhci.c: Detected 2 ports Jan 1 02:00:04 kernel: usb.c: new USB bus registered, assigned bus number 2 Jan 1 02:00:04 kernel: hub.c: USB hub found Jan 1 02:00:04 kernel: hub.c: 2 ports detected Jan 1 02:00:04 kernel: usb-uhci.c: v1.275:USB Universal Host Controller Interface driver Jan 1 02:00:04 kernel: usb.c: registered new driver usblp Jan 1 02:00:04 kernel: printer.c: v0.13: USB Printer Device Class driver Jan 1 02:00:04 kernel: hub.c: new USB device 01:03.0-2, assigned address 2 Jan 1 02:00:04 kernel: usb.c: USB device 2 (vend/prod 0x152d/0x2338) is not claimed by any active driver. Jan 1 02:00:05 kernel: SCSI subsystem driver Revision: 1.00 Jan 1 02:00:05 kernel: Initializing USB Mass Storage driver... Jan 1 02:00:05 kernel: usb.c: registered new driver usb-storage Jan 1 02:00:06 kernel: scsi0 : SCSI emulation for USB Mass Storage devices Jan 1 02:00:06 kernel: Vendor: TS8GSSD2 Model: 5S-S Rev: 331 Jan 1 02:00:06 kernel: Type: Direct-Access ANSI SCSI revision: 02 Jan 1 02:00:06 kernel: Attached scsi disk sda at scsi0, channel 0, id 0, lun 0 Jan 1 02:00:06 kernel: sda: Waiting for disc 0 to settle. Jan 1 02:00:06 kernel: SCSI device sda: 15621984 512-byte hdwr sectors (7998 MB) Jan 1 02:00:06 kernel: Partition check: Jan 1 02:00:06 kernel: /dev/scsi/host0/bus0/target0/lun0: p1 p2 p3 Jan 1 02:00:06 kernel: USB Mass Storage support registered. Jan 1 02:00:07 udpxy[129]: udpxy 1.0-Chipmunk (build 20) standard is starting Jun 22 18:33:21 ntp client: Synchronizing time with pool.ntp.org... Jun 22 18:33:21 kernel: Adding Swap: 260296k swap-space (priority -1) Jun 22 18:33:22 e2fsck: bin: clean, 16825/251392 files, 159921/501533 blocks (check after next mount) Jun 22 18:33:22 e2fsck: /dev/discs/disc0/part3: clean, 13/693504 files, 73994/1385917 blocks Jun 22 18:33:22 kernel: kjournald starting. Commit interval 5 seconds Jun 22 18:33:22 kernel: EXT3 FS 2.4-0.9.19, 19 August 2002 on sd(8,2), internal journal Jun 22 18:33:22 kernel: EXT3-fs: mounted filesystem with ordered data mode. Jun 22 18:33:22 kernel: kjournald starting. Commit interval 5 seconds Jun 22 18:33:22 kernel: EXT3 FS 2.4-0.9.19, 19 August 2002 on sd(8,3), internal journal Jun 22 18:33:22 kernel: EXT3-fs: mounted filesystem with ordered data mode. Jun 22 18:33:22 USB storage: ext3 fs at /dev/discs/disc0/part3 mounted to /tmp/mnt/disc0_3

USB 2.0

Code:

Jan 1 02:00:03 kernel: usb.c: registered new driver usbdevfs Jan 1 02:00:03 kernel: usb.c: registered new driver hub Jan 1 02:00:03 kernel: PCI: Enabling device 01:03.2 (0000 -> 0002) Jan 1 02:00:03 kernel: ehci_hcd 01:03.2: PCI device 1106:3104 Jan 1 02:00:03 kernel: ehci_hcd 01:03.2: irq 12, pci mem c01ea000 Jan 1 02:00:03 kernel: usb.c: new USB bus registered, assigned bus number 1 Jan 1 02:00:03 kernel: EHCI: Enabling VIA 6212 workarounds Jan 1 02:00:03 kernel: ehci_hcd 01:03.2: USB 2.0 enabled, EHCI 1.00, driver 10 Dec 2004/2.4 Jan 1 02:00:03 kernel: hub.c: USB hub found Jan 1 02:00:03 kernel: hub.c: 4 ports detected Jan 1 02:00:03 kernel: usb.c: registered new driver usblp Jan 1 02:00:03 kernel: printer.c: v0.13: USB Printer Device Class driver Jan 1 02:00:05 kernel: SCSI subsystem driver Revision: 1.00 Jan 1 02:00:05 kernel: Initializing USB Mass Storage driver... Jan 1 02:00:05 kernel: usb.c: registered new driver usb-storage Jan 1 02:00:05 kernel: USB Mass Storage support registered. Jan 1 02:00:06 udpxy[124]: udpxy 1.0-Chipmunk (build 20) standard is starting Jun 22 18:47:20 ntp client: Synchronizing time with pool.ntp.org...

Ýòî êàêàÿ-òî ïðîáëåìà ñ õàáîì VIA 6212 èëè ãäå-òî ÷òî-òî ñëåòåëî â êîíôèãóðàöèè?

Æåëåçî: WL500gP v1, ïðîøèâêà: WL500gp-1.9.2.7-d-r3591

Êàê íå ïàðàäîêñàëüíî, îêàçàëîñü äåëî âî âíåøíåì ìîñòå USB-SATA.
Êóïèë íîâûé - âñ¸ ñòàëî îòëè÷íî.

Ñòàðûé çàâîäèëñÿ èñêëþ÷èòåëüíî â ðåæèìå USB 1.1, ÷òî ñëó÷èëîñü íå ïîíÿòíî.

Ìîñò âïîëíå ìîã èñïîðòèòüñÿ çà êîìïàíèþ ñ äèñêîì. Áëîêè ïèòàíèÿ 5V 2.5A íå òàêèå óæ äîëãîâå÷íûå. Òàì æå åù¸ â ñèñòåìå usb-hub ñ âíåøíèì ïèòàíèåì 5V, íàâåðíî.

Ôèã åãî çíàåò êòî êîãî èñïîðòèë, ðîäíîé ÁÏ ñ ñàìîãî íà÷àëà ýêñïëóàòàöèè íå èñïîëüçîâàëñÿ (ñòîèò îòäåëüíûé ôèðìåííûé íà +5Â (20Âò), êîíäåðû ïî âûõîäó íîâûå, øóì ïî îñöèëëîãðàôó ïîä íàãðóçêîé ìèíèìàëüíûé, ñòàáèëèçàöèÿ îòìåííàÿ).
Íî ôàêò â òîì ÷òî âèíò óìåð ("çàëèïëè" ãîëîâû) è ïàðàëëåëüíî íà÷àë áàðàõëèòü àäàïòåð USB-SATA, ÷òî ÿâëÿåòñÿ ïåðâîïðè÷èíîé íåïîíÿòíî.

Ïðîñòî ïîñëåäíèå ìåñÿöû âèíò ýïèçîäè÷åñêè íà÷àë îòâàëèâàòüñÿ ñ îøèáêîé ââîäà-âûâîäà (ïî syslog), ïî íà÷àëó âîîáùå ãðåøèë íà ïðîáëåìû ïî ïèòàíèþ...òåïåðü ìîæíî ïîäóìàòü ÷òî âèíà òóò âïîëíå ìîãëà-áûòü è â ìîñòó (àäàïòåð) USB-SATA, êîòîðûé âîçìîæíî ïðè ðàáîòå íà USB 2.0 ñõîäèë ñ óìà è íàðóøàë ðàáîòó âèíòà.