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11 pending sectors


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#1 fleamour

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Posted 09 March 2009 - 10:04 AM

Hi

My friends laptop locks up fairly regularly. SpeedFan says:

"NOTE : your hard disk has 11 pending sectors. Those are sectors that couldn't be properly read and that the hard disk logic is waiting for a write operation to try to remap to a spare sector (if available). According to the Reallocated Sector Count attribute, your hard disk seems to have available spare sectors. A simple disk surface scan won't be enough to force the remap operation. You need a read/write surface scan to remap the sector. The best option should be a tool that knows about what should be read from that sector so that it has some option to apply the best fix to the missing data."

However although I have the UBCD with diagnostics, the drive is a TOSHIBA MK4026GAXB with firmware PB104E. Toshiba seem not to have their own diagnostic?

What would you recommend?
ASRock Conroe (micro ATX) - Ubuntu 12.04/Win 7 Ultimate (x86)
Intel C2D E8400 3.0GHz/low profile Noctua (single fan)
4GB OCZ DDR2 RAM, GeForce GT220 1024MB

Vintage IBM-T21 laptop, Xubuntu Lucid LTS
512MB KingSpec RAM, 1GHz CPU [T22 Fan], Wireless-G PCMCIA, 7200RPM HDD

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#2 dc3

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Posted 09 March 2009 - 10:48 AM

Toshiba doesn't have their own diagnostic tool, kind of surprising since most all major hdd manufacturers have one. The ultimate boot CD has a disk fitness test, so you could use it.

Try running chkdsk /r

Go to Start> Run and type in chkdsk /r (please notice the space between the k and the/) and then click on OK.

A black page with white printing will appear, type in Y, and click on Enter key.

Chkdsk will run when the computer restarts.

Edited by dc3, 09 March 2009 - 10:52 AM.

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#3 fleamour

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Posted 09 March 2009 - 11:36 AM

I did run chkdsk first thing. It found a lot of bad sectors but then froze up right at the end, caps lock did not respond. I had to manually turn off laptop & reboot, it then greeted me with chkdsk complete screen. Maybe I should run again?
ASRock Conroe (micro ATX) - Ubuntu 12.04/Win 7 Ultimate (x86)
Intel C2D E8400 3.0GHz/low profile Noctua (single fan)
4GB OCZ DDR2 RAM, GeForce GT220 1024MB

Vintage IBM-T21 laptop, Xubuntu Lucid LTS
512MB KingSpec RAM, 1GHz CPU [T22 Fan], Wireless-G PCMCIA, 7200RPM HDD

#4 fairjoeblue

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Posted 09 March 2009 - 12:40 PM

Your hard drive is failing !
I suggest you get any info you want to save off of it while it's still working.
Save your personal folders/files to a didk, external hard drive or USB jump drive.
[You can't save installed programs.]
Then replace the hard drive.

Once a hard drive starts getting "a lot of bad sectors" they usually don't get any better.

A hard drive has a certain number of "spare" sectors in reserve.
When CHKDSK finds a bad sector it attempts to move what is on the bad sectore to a "reserve" sector & then marks the defective sector as bad so it is no longer usuable.
When the HD runs out of reserved sectors there is no fixing problems caused by bad sectors.
OCZ StealthXstream 700W,Gigabyte GA-EP45-UD3R , E8500, Arctic Freezer Pro 7, 3GB G.Skill PC8500,Gigabyte Radeon HD 4850 OC [1GB ], Seagate 250GB SATA II X2 in RAID 0, Samsung SATA DVD burner.

#5 fleamour

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Posted 09 March 2009 - 04:22 PM

There is hardly any valuable data bar a few MP3 tracks & my mate only uses a research app & a little browsing.

There must be something I can do to force the disk to remap bad sectors?!? My disk does have spare sectors according to SpeedFan. I refuse to chuck away anything unless it's proper broke! None of the drive diagnostics seem to work on the ultimate boot CD. SeaTools for Windows failed it on a Long Drive Self Test so maybe I should admit defeat. Toshiba suck!

Edited by fleamour, 09 March 2009 - 04:28 PM.

ASRock Conroe (micro ATX) - Ubuntu 12.04/Win 7 Ultimate (x86)
Intel C2D E8400 3.0GHz/low profile Noctua (single fan)
4GB OCZ DDR2 RAM, GeForce GT220 1024MB

Vintage IBM-T21 laptop, Xubuntu Lucid LTS
512MB KingSpec RAM, 1GHz CPU [T22 Fan], Wireless-G PCMCIA, 7200RPM HDD

#6 hamluis

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Posted 09 March 2009 - 04:34 PM

You can run chkdsk /r from XP to recover data from bad sectors and work around such.

You can reformat the partition, which will work around known bad sectors on the drive when setting up the partition.

What is a bad sector - http://www.tech-faq.com/bad-sector.shtml

Bad Sectors On Hard Drives - http://www.pcstats.com/articleview.cfm?art...1583&page=3

http://en.wikipedia.org/wiki/Bad_sector

Louis

#7 fairjoeblue

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Posted 09 March 2009 - 04:49 PM

CHKDSK will replace bad secotors with "reserve" sectors until it runs out of reserve sectors.
You will then have problems because of bad sectors.

As for the refusing to replace something before it's "properly" broke,

If your house were on fire would you wait for the flames to die down before you tried to put out the fire ?
OCZ StealthXstream 700W,Gigabyte GA-EP45-UD3R , E8500, Arctic Freezer Pro 7, 3GB G.Skill PC8500,Gigabyte Radeon HD 4850 OC [1GB ], Seagate 250GB SATA II X2 in RAID 0, Samsung SATA DVD burner.

#8 fleamour

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Posted 09 March 2009 - 04:55 PM

Ok. Thanks for explaining. I'll mention that he needs a new drive.
ASRock Conroe (micro ATX) - Ubuntu 12.04/Win 7 Ultimate (x86)
Intel C2D E8400 3.0GHz/low profile Noctua (single fan)
4GB OCZ DDR2 RAM, GeForce GT220 1024MB

Vintage IBM-T21 laptop, Xubuntu Lucid LTS
512MB KingSpec RAM, 1GHz CPU [T22 Fan], Wireless-G PCMCIA, 7200RPM HDD

#9 fleamour

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Posted 10 March 2009 - 04:19 AM

Right, well, reformatting drive with Kill Disk (00 on every sector) just in case it's a soft error. Also O/S may have become unstable if data lost was important, so will reinstall O/S. However if a mechanical fault then it will get worse, shame as not that old a disk, but eBayed it so no comeback. The laptop has been dropped as well so maybe why.

Cheerz!
ASRock Conroe (micro ATX) - Ubuntu 12.04/Win 7 Ultimate (x86)
Intel C2D E8400 3.0GHz/low profile Noctua (single fan)
4GB OCZ DDR2 RAM, GeForce GT220 1024MB

Vintage IBM-T21 laptop, Xubuntu Lucid LTS
512MB KingSpec RAM, 1GHz CPU [T22 Fan], Wireless-G PCMCIA, 7200RPM HDD

#10 hamluis

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Posted 10 March 2009 - 03:20 PM

Uuuhhhh...yes, I've found that dropping a hard drive can definitely make it sick :thumbsup:, good luck!

Louis




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