WRT600N USB Storage Problems Solved

For a couple of years, I've been living with all the problems others have reported with the WRT600N USB storage - lost connections, permissions problems, rebooting the router to recover access to the USB drive, etc. I solved my problems, mostly, by switching to a DLink DIR-655 router. I assume other routers in the Dlink family that support USB devices will perform similarly.
My main problem seemed to be interference from the microwave, which is in an open kitchen/keeping room arrangement in my house. However, the bottom line is that any time I lost wireless connectivity to the router, due to the microwave or unknown causes, I'd lose access to the USB drive. This meant a trip upstairs to power cycle the router and the USB drive several times a day.
With the Dlink, I still sometimes lose wireless connectivity due to the microwave or unknown causes, but not as often. Sometimes, but not always, this will cause me to lose the USB drive access. If I do need to reboot the router, I can do so from the web based interface, something that was not possible with the WRT600N, so no more trips upstairs to perform this operation. I also find have a stronger wireless signal in my work location with the Dlink.
Dlink uses a SharePort software utility to manage the USB connection and this has to be installed on all PC's that want access to the USB device. SharePort makes a USB device appear to be a local device attached directly to the computer you're using and you can attach external drives/printers/probably USB hubs. (I've experimented only with an external USB drive.) Because of this, however, only one computer can attach to the USB device at a time - not a problem for me, but you need to be aware. The software has a mechanism for requesting access to the USB device from one computer, when the device is in use by another computers. You can also set it to automatically connect to the USB device if its available, to try a reconnect if connection is lost, and to automatically run a program when the USB device connects. Dlink says SharePort will support FAT or NTFS formatted drives and there's no known limitation on the drive size.
Dlink support doesn't seem much better than here - it took about three weeks for me to get an answer on the external drive size and formatting options. There are plenty of complaints on the Dlink support site about poor support, poor performance of SharePort, etc.  So, all I can say is their router/USB device sharing has worked much better for me than my Linksys WRT600N ever worked.

Welcome to the WRT600N nightmare. The Storage Link is poorly documented, and the firmware controlling it has issues. Basically, it will corrupt file date/times stamps whenever you copy files onto the attached drive. It has also been known to be a bit flaky about maintaining the drive as a connected/mapped drive. Backup programs may have difficulty accessing the drive via Storage Link. Depending on the file format you use, you may encounter file size limitations on the Storage Link drive.
I, personally, gave up after a few days of these issues mentioned above and bought extra USB hard drives for each computer in the house rather than try and use the Storage Link as a NAS.
What O/S are you using on your computer? I can try and walk you through the setup.
A+ Certified, over 15 years of hands on computer and home networking experience...and I still get lost!

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    Last edited by wpb (2012-07-01 08:37:02)

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    Feb 28 20:21:40 localhost kernel: [ 117.263584] usb 3-2: new high-speed USB device number 4 using ehci_hcd
    Feb 28 20:21:40 localhost mtp-probe: checking bus 3, device 4: "/sys/devices/pci0000:00/0000:00:12.2/usb3/3-2"
    Feb 28 20:21:40 localhost kernel: [ 117.470130] ehci_hcd 0000:00:13.2: BAR 0: set to [mem 0xfeb48000-0xfeb480ff] (PCI address [0xfeb48000-0xfeb480ff])
    Feb 28 20:21:40 localhost kernel: [ 117.470251] ehci_hcd 0000:00:13.2: PCI INT B -> GSI 17 (level, low) -> IRQ 17
    Feb 28 20:21:40 localhost kernel: [ 117.546266] ohci_hcd 0000:00:13.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
    Feb 28 20:21:40 localhost mtp-probe: bus: 3, device: 4 was not an MTP device
    Feb 28 20:21:42 localhost kernel: [ 119.687034] usbcore: registered new interface driver uas
    Feb 28 20:21:42 localhost kernel: [ 119.692675] Initializing USB Mass Storage driver...
    Feb 28 20:21:42 localhost kernel: [ 119.693029] scsi7 : usb-storage 3-2:1.0
    Feb 28 20:21:42 localhost kernel: [ 119.694285] usbcore: registered new interface driver usb-storage
    Feb 28 20:21:42 localhost kernel: [ 119.694294] USB Mass Storage support registered.
    Feb 28 20:21:43 localhost kernel: [ 120.353657] ohci_hcd 0000:00:13.0: PCI INT A disabled
    Feb 28 20:21:43 localhost kernel: [ 121.110815] scsi 7:0:0:0: Direct-Access JetFlash Transcend 8GB 1100 PQ: 0 ANSI: 0 CCS
    Feb 28 20:21:43 localhost kernel: [ 121.115125] sd 7:0:0:0: [sdc] 15826944 512-byte logical blocks: (8.10 GB/7.54 GiB)
    Feb 28 20:21:43 localhost kernel: [ 121.117132] sd 7:0:0:0: [sdc] Write Protect is off
    Feb 28 20:21:43 localhost kernel: [ 121.125243] sdc: sdc1
    Feb 28 20:21:43 localhost kernel: [ 121.130244] sd 7:0:0:0: [sdc] Attached SCSI removable disk
    Feb 28 20:21:44 localhost kernel: [ 121.570240] ehci_hcd 0000:00:13.2: PCI INT B disabled
    Feb 28 20:21:44 localhost ntfs-3g[1936]: Version 2012.1.15 external FUSE 28
    Feb 28 20:21:44 localhost ntfs-3g[1936]: Mounted /dev/sdc1 (Read-Write, label "", NTFS 3.1)
    Feb 28 20:21:44 localhost ntfs-3g[1936]: Cmdline options: rw,nosuid,nodev,uhelper=udisks,uid=1000,gid=1000,dmask=0077,fmask=0177
    Feb 28 20:21:44 localhost ntfs-3g[1936]: Mount options: rw,nosuid,nodev,uhelper=udisks,allow_other,nonempty,relatime,fsname=/dev/sdc1,blkdev,blksize=4096,default_permissions
    Feb 28 20:21:44 localhost ntfs-3g[1936]: Global ownership and permissions enforced, configuration type 1
    Feb 28 20:22:11 localhost kernel: [ 148.692914] usb 3-2: USB disconnect, device number 4
    Feb 28 20:22:11 localhost kernel: [ 148.756937] sd 7:0:0:0: [sdc] Unhandled error code
    Feb 28 20:22:11 localhost kernel: [ 148.756947] sd 7:0:0:0: [sdc] Result: hostbyte=0x01 driverbyte=0x00
    Feb 28 20:22:11 localhost kernel: [ 148.756954] sd 7:0:0:0: [sdc] CDB: cdb[0]=0x2a: 2a 00 00 1e 2f f6 00 00 18 00
    Feb 28 20:22:11 localhost kernel: [ 148.756983] lost page write due to I/O error on sdc1
    Feb 28 20:22:11 localhost kernel: [ 148.757000] lost page write due to I/O error on sdc1
    Feb 28 20:22:11 localhost kernel: [ 148.757016] lost page write due to I/O error on sdc1
    Feb 28 20:22:11 localhost kernel: [ 148.761894] sd 7:0:0:0: [sdc] Unhandled error code
    Feb 28 20:22:11 localhost kernel: [ 148.761905] sd 7:0:0:0: [sdc] Result: hostbyte=0x01 driverbyte=0x00
    Feb 28 20:22:11 localhost kernel: [ 148.761911] sd 7:0:0:0: [sdc] CDB: cdb[0]=0x2a: 2a 00 00 1e 2f ae 00 00 08 00
    Feb 28 20:22:11 localhost kernel: [ 148.761939] lost page write due to I/O error on sdc1
    Feb 28 20:22:11 localhost kernel: [ 148.914173] usb 3-4: USB disconnect, device number 3
    Feb 28 20:22:24 localhost ntfs-3g[1936]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
    Feb 28 20:22:24 localhost ntfs-3g[1936]: Reading $BITMAP failed: Input/output error
    Feb 28 20:22:24 localhost ntfs-3g[1936]: Failed to allocate clusters: Input/output error
    Feb 28 20:22:24 localhost kernel: [ 161.862408] quiet_error: 2 callbacks suppressed
    Feb 28 20:22:24 localhost kernel: [ 161.862424] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost kernel: [ 161.862436] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost kernel: [ 161.862446] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost kernel: [ 161.862457] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost kernel: [ 161.862466] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost kernel: [ 161.862476] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost kernel: [ 161.862485] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost kernel: [ 161.862495] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost kernel: [ 161.862505] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost kernel: [ 161.862514] lost page write due to I/O error on sdc1
    Feb 28 20:22:24 localhost ntfs-3g[1936]: Unmounting /dev/sdc1 ()
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