According to, “Feedback /ˈfēdˌbak/ is a process in which information about

A business ideally is continually seeking feed...

A business ideally is continually seeking feedback from customers: are the products helpful? are their needs being met? Questions:email to developer of image at (Photo credit: Wikipedia)

the past or the present influences the same phenomenon in the present or future. As part of a chain of cause-and-effect that forms a circuit or loop, the event is said to “feed back” into itself.”.

Feedback not only tells the faults or loopholes in any software product but also encourage the developer of product to make the product fault free. Constructive feedback helps marketers make adjustments to their products and services to adapt to the changing needs of their customers. Feedback should be information-specific, issue-focused, and based on observations.

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Fedora 15 and USB Device

Today I encountered a strange problem with fedora-15. When I plugged-in USB disk to my laptop, the USB disk failed to auto-mount and showed error “Unable to mount device, Input/Output Error”. I tried to mount manually in terminal using:

#sudo mount -t vfat --rw /dev/sdb1 /media

It showed me no error and mount the USB disk also, but when I was trying to copy any directory or file in mounted USB disk, it showed error that the disk is read-only. I searched some forums and websites and found a solution that since the disk was formatted with FAT partition so I should format the disk in Windows first then try to mount the disk again in fedora 15. Although I didn’t have any Windows machine, but anyhow I managed a Windows system to format the USB disk. But I was still facing the same problem.

I tried to list the device using fdisk utility and it showed me nothing mischievous.

 #sudo fdisk -l /dev/sdb
 Disk /dev/sdb: 2034 MB, 2034236416 bytes
 63 heads, 62 sectors/track, 1017 cylinders, total 3973118 sectors
 Units = sectors of 1 * 512 = 512 bytes
 Sector size (logical/physical): 512 bytes / 512 bytes
 I/O size (minimum/optimal): 512 bytes / 512 bytes
 Disk identifier: 0x0000f124
Device Boot Start End Blocks Id System
 /dev/sdb1 * 62 3972401 1986170 b W95 FAT32

Then I found a wired solution on a website. According to that solution, I should umount the disk improperly( without ejecting or Safely remove). Then I should re-insert the disk. I tried that solution also and magic happened. It worked perfectly for me.

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