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mapping bad drive sectors
Posted by: Fritz
Date: March 19, 2012 08:01AM
have an internal Hitachi that is not a boot drive, but a back up rec'd drive.

It is exhibiting bad sectors, (stops on playback of one particular bad track) I can't hear any clicking, but I have yet to put it an external enclosure to "listen" to it.

Provided it isn't clicking, I seem to remember, way back, that there was an app that could map and block bad sectors, or am I badly mistaken?



!#$@@$#!

aged 20 year old tabasco
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Re: mapping bad drive sectors
Posted by: decay
Date: March 19, 2012 08:20AM
[reviews.cnet.com]



---
I buy records. Getting rid of some? Let me know.
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Re: mapping bad drive sectors
Posted by: Black
Date: March 19, 2012 08:33AM
Quote
decay
[reviews.cnet.com]

Good stuff. Wish I'd zero'd last time I had a meltdown but it came at a very bad time and I couldn't spare the extra time . . .




MR/F Guestmap: [www.mapservices.org]
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Re: mapping bad drive sectors
Posted by: Fritz
Date: March 19, 2012 09:07AM
Thanks. Good read. I will do when I know the client is in the clear.



!#$@@$#!

aged 20 year old tabasco
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Re: mapping bad drive sectors
Posted by: space-time
Date: March 19, 2012 09:27AM
Quote
Black
Quote
decay
[reviews.cnet.com]

Good stuff. Wish I'd zero'd last time I had a meltdown but it came at a very bad time and I couldn't spare the extra time . . .

I thought that you and many others considered this operation a waste of time. I usually do it if there is no time pressure.
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Re: mapping bad drive sectors
Posted by: Black
Date: March 19, 2012 12:35PM
Quote
space-time
Quote
Black
Quote
decay
[reviews.cnet.com]

Good stuff. Wish I'd zero'd last time I had a meltdown but it came at a very bad time and I couldn't spare the extra time . . .

I thought that you and many others considered this operation a waste of time. I usually do it if there is no time pressure.

I learned something from the linked article. If you recall the thread you were referencing, nobody was able to come up with anything approaching evidence that zeroing mapped bad blocks.




MR/F Guestmap: [www.mapservices.org]
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Re: mapping bad drive sectors
Posted by: btfc
Date: March 19, 2012 12:52PM
Interesting info in this thread:

[discussions.apple.com]

"But SMARTUtility will access the drive's SMART data (assuming it's on a connection that supports it) and tell you the number of Pending, Removed, and Reallocated Bad Sectors there are. Also, as someone else has noted, Disk Warrior writes in the System Log how many replacement sectors are left or how many have been used, I forget exactly which."

(pg. 2)
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