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I'm a newbee with linux and I'm unable to mount my external USB 2.0 HD with red hat 8.0. It works with windowsXP. I bought an usb external enclosure (zappa) and use my old HD of 8Gb. When I connect to USB, linux detects the HD, but it doesn't mount with mount /dev/sda /mnt/ExternalHD. With fdisk -l /dev/sda it says that cannot read the device. The HD is formated with FAT32 under windowsXP, but I'm unable to use it with linux.
Thanks
Well i beleive there is a flag '-vfat' that you can use with 'mount' to mount it and to be able to read off the drive, but i would search around good for some more info on it.
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You're missing the device number.
The device isn't /dev/sda, it's /dev/sda1 (or 2, or 3....).Give it another try and it should work.
Best of luck.
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I tried yours suggestions but it doesn't want to work. Here is more detailed information about what's going on:
When I connect the External HD in the USB, dmesg includes de following lines:
-----------------
hub.c: USB new device connect on bus1/1, assigned device number 2
usb.c: USB device 2 (vend/prod 0x5e3/0x702) is not claimed by any active driver.
Initializing USB Mass Storage driver...
usb.c: registered new driver usb-storage
scsi1 : SCSI emulation for USB Mass Storage devices
Vendor: EagleTec Model: External Hard Di Rev: 0002
Type: Direct-Access ANSI SCSI revision: 02
WARNING: USB Mass Storage data integrity not assured
USB Mass Storage device found at 2
USB Mass Storage support registered.
------------------------fdisk -l doesn't detect the device, but in dmesg appears new lines as follows:
---
Attached scsi removable disk sda at scsi1, channel 0, id 0, lun 0
SCSI device sda: 16514064 512-byte hdwr sectors (8455 MB)
sda: test WP failed, assume Write Enabled
sda: sda1
SCSI device (ioctl) reports ILLEGAL REQUEST.
SCSI device sda: 16514064 512-byte hdwr sectors (8455 MB)
sda: test WP failed, assume Write Enabled
sda: I/O error: dev 08:00, sector 0
I/O error: dev 08:00, sector 0
unable to read partition table
--And finallys, when I tried to mount it with mount -t vfat /dev/sda1 /mnt/ExternalHD (after mkdir /mnt/ExternalHD) it returns:
mount: /dev/sda1 is not a valid block device
Well, Linux 3 - Oriol 0Some suggestions are greatfully apreciated
Thanks in advance
0
You said you have tried the command "And finallys, when I tried to mount it with mount -t vfat /dev/sda1 /mnt/ExternalHD (after mkdir /mnt/ExternalHD) it returns:"
/dev/sda1 is wrong
Try /dev/sda2 or 3 or 4 or 5
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{SNIP}
unable to read partition table
{/SNIP}I think that's where your problem lies. Is it possible to backup the data under XP and then try to create partitions on it under linux with fdisk (TIP: many people find cfdisk easier to work with):
# cfdisk /dev/sda
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Neither fdisk nor cfdisk are able to read the device, thus no partitions with both are possible. Only sfdisk gives some details about the ExternalHd, but it says cluster 0 is unreadable. I will try to perform a partition with sfdisk.
Could it be a problem with redhat 8.0, or the kernel (I'm not sure the version, suppose 2.4.....) that are too old versions for usb2.0 externalHD support? I'm not sure, because I'm able to read and write a floppy stick device.
thanks for the suggestions,
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You can get your kernel version with the "uname -a" command.
Perhaps a newer kernel would help....2.6 is due out soon(ish).
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Finally I did it. I compiled the kernel 2.4.22 and it works ok. The 2.4.18-14 kernel seems to presents problems with external HD.
Thanks
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