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in the past i hadnt worried about them but when i was running scandisk it picked up three and i now have six bad clusters. i am curious where do they come from, what causes them, what they do and how do i get rid of them
thanks pongigahar
Hi,
Bad clusters are physical defects of hard drive magnetic surfaces. I don't know what causes them to appear in your case, but most probably it's some factory defect of magnetic layer. If there number constantly increases I think it's time to replace your hard drive.
Good luck, Igor M
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I agree. replace it. In my case, I ran some disk optimizing software (well known brand). It recommended that I run scandisk on full and defrag. Well,as in pongigahar's case, it started with 4K of bad cluster, then 8K, 16K... it progressed to 100% bad clusters and started to sound like a lawn-mower, then it died... back up your data and replace the HDD!
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my question is how could i fix my computer when it has Bad Clusters. WHAT DO I NEED TO DO TO FIX THE PROBLEM.
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HI
My Hard disk has got 8 bad clusters, when my hard disk had only three bad clusters, i hadnt warried about it but now have 8 bad clusters and iam now confused and i dont know what to do. Please can you help me to solve this problem.
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You can't fix bad clusters, and they never go away. :-) If they are caused by a hardware defect, they won't grow away, they'll probably spread. Return the hard drive right away!
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It comes from corrupted files....
The two kinds of cluster errors are soft errors and hard errors. The soft error means that the magnetic signal on the drive is weak or the format is messed up, and you can't write to that area or read from that area. You can fix a soft error by reformatting the hard drive. A hard error is a different story. A hard error is actual physical damage to the hard drive. If a hard drive is physically damaged by something such as a scratch or bump, there is no way to correct it. You can't continue to use that drive.....time to toss the hard drive out of your window :(
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You can run FDISK To fix you drive but sometime the bad clusters wont go away if you drive is SCSI you can run LOW LEVEL FORMAT 50% of the time is a soft errors
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I can confirm the answer of Remy Wisaksono (January 20, 2000). I repeatedly got bad clusters on different locations on the HD after trying to reconfigure the system after installation of a digitizer board. The only way was to reformat the HD.
Another reason in my system was when the SCSI-cable from the SlimSCSI 1480A (Adaptec)to a Jaz-Drive was too long. After reformating the drive and using a short cable I never got bad clusters again.
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I Got bad clusters over and over again after installing windows 98. Can anyone tell me if windows 98 is causing the distruction of my hard drive?
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In reply to a previous comment about low-level formatting:
I should note that it is very dangerous to low-level format a SCSI drive. In fact, the only hard drive types that you should normally low-level format are ESDI/ST-506 types, and that is only shortly after installing the drive. Modern SCSI and IDE hard drives are 'low-leveled' at the factory where they're built. The factory has very precise hardware and specialized software for this purpose, since they try to squeeze every last kilobyte possible out of the drives.
Low-leveling a modern SCSI or IDE hard drive (IDE is the same thing as ATA, for our purposes), can seriously damage a hard drive, making it unreliable or completely unreadable. I have personal experience in this regard, so don't think this is an old wives' tale. ;)Replies or questions in regards to the comments made here can be sent to my e-mail box at docziploc@earthlink.net, as I will probably not be checking this forum again.
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Ok in my case a few of them appeared taking up nearly 73 kbite. Now i have problems even foramtting my hard drive because it stops responding and terminate the format saying that it's not ready. Now how wierd is that????
Just a while noticed that the amound of damaged clusters increased to a few megas. Need help!!!
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I've got a few bad clusters on my drive(s) and formatting won't help solve the problem.
I think my bad clusters are caused by putting them near a 400W bass-speaker. Where it is not the distance, but the vibration of the bass. I allready f---ed 3 HD's up with a total of 14Gb. and so far it seems i haven't tried hard enough correcting the bad clusters. Standard formatting won't work, but it seems like the problem is gone when formatting to NTFS......
Correct me if i'm wrong....
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