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how to partition a harddisk containing bad sectors.
Can you please suggest how to Format the damaged disk and use the disk efficiently without any errors in the future.
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- Apr 2009
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Create a partition on it. Create a file system on the partition, and then run "fsck -c -f" on the file system. It will read the partition and map out the bad blocks from use. You only have a problem if the system has a bad block in block 0 (the partition table), in which case the disc is fubar unless it has a SMART controller, in which case, it can be remapped to a good sector.Sometimes, real fast is almost as good as real time.
Just remember, Semper Gumbi - always be flexible!
Depends on at what level are the partitions bad, there are two. Most bad partitions are high level and wiping out the partitions and repartitioning and reformating the drive should map out any bad partitions. Sometime the bad partitions are lower at the platter level this was more commom with old MFM drives and you most controllers you could do low level format and remap the platters. These days that is rarely needed, but most hard drive makers to have tools to do a low-level format. If that is what you think you need then Google around for a low-level format tool for your drive.
The disk is not much damaged.
It is IDE drive.
Is there any tool or software in Linux to achieve the above.
Have you tried the commands suggested by Rubberman. I don't think any reason - why that shouldn't work. Just attach the external hard-drive - Find the partition name and then run ""fsck -c -f /device/name" . That should fix any bad-blocks
Sorry I have not seen his post and actually I am seeking his help because his answers are most helpful. Is the tip suggested by rubberman is sufficient why I am questioning because many people suggested to throw it into dustbin.
What is confusing to me about this thread is really where is the problem the filesystem or the physical hard drive? I read the OP's first post and it sounds like a old hard drive that is developing bad blocks. But most are talking about fsck but that is filesystem check. That's why I was thinking if drive isn't being used repartition it to get something to check the hard drive blocks then reformat the drive which will get the filesystem to map out bad blocks. Another approach there is a Linux tool called badblocks that can be run and output can be redirected to a file, then that file can be given to fsck so the filesystem will map out the bad blocks.
To me it all depends on if issue is hard drive or filesystem that determines how low to go to start fixing the issue.