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Hardware Forum / Storage / General Topics / December 2006Bad Sector Count
My Win XP Pro PC suffered a BSOD yesterday telling me that part of the registry was corrupted. I restored the OS from my Acronis True Image backup but the bad sector count has increased from 3 to 5. Not knowing much about these things, is it time to buy a new HDD? Here's the SMART report. Thanks. Keith. --------[ SMART ]------------------------------------------------------------------------------------------------------- [ SAMSUNG SP2014N (S088J1RYA07005) ] 01 Raw Read Error Rate 51 100 100 0 OK: Value is normal 03 Spin Up Time 25 100 100 6144 OK: Value is normal 04 Start/Stop Count 0 97 97 3394 OK: Always passing 05 Reallocated Sector Count 10 253 253 0 OK: Value is normal 07 Seek Error Rate 51 253 253 0 OK: Value is normal 08 Seek Time Performance 15 253 253 0 OK: Value is normal 09 Power-On Time Count 0 100 100 1738 OK: Always passing 0A Spin Retry Count 51 253 253 0 OK: Value is normal 0B Calibration Retry Count 0 253 2 0 OK: Always passing 0C Power Cycle Count 0 99 99 1756 OK: Always passing BE <vendor-specific> 0 130 103 36 OK: Always passing C2 Temperature 0 130 103 36 OK: Always passing C3 Hardware ECC Recovered 0 100 100 715695 OK: Always passing C4 Reallocation Event Count 0 253 253 0 OK: Always passing C5 Current Pending Sector Count 0 100 100 5 OK: Always passing C6 Off-Line Uncorrectable Sector Count 0 253 253 0 OK: Always passing C7 Ultra ATA CRC Error Rate 0 200 200 0 OK: Always passing C8 Write Error Rate 0 100 100 0 OK: Always passing C9 <vendor-specific> 0 253 100 0 OK: Always passing [ WDC WD1600BB-98DWA0 (WD-WMAEK1279192) ] 01 Raw Read Error Rate 51 200 200 0 OK: Value is normal 03 Spin Up Time 21 148 145 3116 OK: Value is normal 04 Start/Stop Count 40 96 96 4991 OK: Value is normal 05 Reallocated Sector Count 140 200 200 0 OK: Value is normal 07 Seek Error Rate 51 200 200 0 OK: Value is normal 09 Power-On Time Count 0 94 94 4764 OK: Always passing 0A Spin Retry Count 51 100 100 0 OK: Value is normal 0B Calibration Retry Count 51 100 100 0 OK: Value is normal 0C Power Cycle Count 0 96 96 4990 OK: Always passing C2 Temperature 0 112 253 38 OK: Always passing C4 Reallocation Event Count 0 200 200 0 OK: Always passing C5 Current Pending Sector Count 0 200 200 0 OK: Always passing C6 Off-Line Uncorrectable Sector Count 0 200 200 0 OK: Always passing C7 Ultra ATA CRC Error Rate 0 200 253 0 OK: Always passing C8 Write Error Rate 51 200 155 0 OK: Value is normal > My Win XP Pro PC suffered a BSOD yesterday telling me that part of the > registry was corrupted. I restored the OS from my Acronis True Image > backup but the bad sector count has increased from 3 to 5. Not knowing > much about these things, is it time to buy a new HDD? > Here's the SMART report. > Thanks. > Keith. > --------[ SMART > ]------------------------------------------------------------------------------------------------------- > [ SAMSUNG SP2014N (S088J1RYA07005) ] > 01 Raw Read Error Rate 51 100 100 0 > OK: Value is normal No problems with the heads/amplifiers > 03 Spin Up Time 25 100 100 6144 > OK: Value is normal > 04 Start/Stop Count 0 97 97 3394 > OK: Always passing > 05 Reallocated Sector Count 10 253 253 0 > OK: Value is normal No defect sectors.... > 07 Seek Error Rate 51 253 253 0 > OK: Value is normal Head positioning is reliable > 08 Seek Time Performance 15 253 253 0 > OK: Value is normal [quoted text clipped - 12 lines] > C3 Hardware ECC Recovered 0 100 100 715695 > OK: Always passing This is typical. It just means that ECC is faster that retry on reads (i.e. fast, but less acurrate positioning). > C4 Reallocation Event Count 0 253 253 0 > OK: Always passing > C5 Current Pending Sector Count 0 100 100 5 > OK: Always passing Hmmm. Something prevented the HDD from reasing these sectors.... > C6 Off-Line Uncorrectable Sector Count 0 253 253 0 > OK: Always passing [quoted text clipped - 4 lines] > C9 <vendor-specific> 0 253 100 0 > OK: Always passing This one may completely healty, but the pending sectors are suspicuous. Best run a long-smart self-test. It will do a comlete surface scan. Lets see whether the pending sectors turn into bad ones. As it is, the disk has zero bad sectors and this may be some other problem, e.g. a driver issue or a controller problem. Post the SMART status of this disk and the self-test log here, after running the test. This may very well be a temporary failure, e.g. from a power-spike on writing or the like. The long SMART self-test should identify that.... > [ WDC WD1600BB-98DWA0 (WD-WMAEK1279192) ] Ooops, a WD. Ceapest disks on the market. Not a coincidence. > 01 Raw Read Error Rate 51 200 200 0 > OK: Value is normal [quoted text clipped - 4 lines] > 05 Reallocated Sector Count 140 200 200 0 > OK: Value is normal No defects here either. > 07 Seek Error Rate 51 200 200 0 > OK: Value is normal Mechanics is ok. > 09 Power-On Time Count 0 94 94 4764 > OK: Always passing [quoted text clipped - 16 lines] > C8 Write Error Rate 51 200 155 0 > OK: Value is normal The WD is completely healthy. Arno > This one may completely healty, but the pending sectors are suspicuous. > Best run a long-smart self-test. It will do a comlete surface scan. [quoted text clipped - 5 lines] > like. The long SMART self-test should identify that.... > Hi Arno and thanks for your reply. Total newbie here, how do I go about running a "long-smart self-test"? I have EVEREST Home Edition. Many thanks. Keith. >> This one may completely healty, but the pending sectors are suspicuous. >> Best run a long-smart self-test. It will do a comlete surface scan. [quoted text clipped - 5 lines] >> like. The long SMART self-test should identify that.... >> > Hi Arno and thanks for your reply. Total newbie here, how do I go about > running a "long-smart self-test"? I have EVEREST Home Edition. No idea. I use the smartmontools, there it is just "smartctl -t long <device>" Arno >>> This one may completely healty, but the pending sectors are suspicuous. >>> Best run a long-smart self-test. It will do a comlete surface scan. [quoted text clipped - 13 lines] > >Arno Got backup? I think you'll need it soon. I agree with the testing. I get the make and modek of the disk and them go to the manufacturer's web site and download their test tool. It's frequently called "drive fitness dest". You run it and it makes a bootable floppy or CD. Boot it and you can run read-only tests if you have data you want to save or run several passes of the write/read test to see if the drive is worth keeping. I don't use a disk that's ever shown one bad sector for anything important after I've swapped it out of service.  Signaturea d y k e s @ p a n i x . c o m Harrison for Congress in NY 13CD www.harrison06.com Don't blame me. I voted for Gore. A Proud signature since 2001 >>>> This one may completely healty, but the pending sectors are suspicuous. >>>> Best run a long-smart self-test. It will do a comlete surface scan. [quoted text clipped - 13 lines] >> >>Arno > Got backup? I think you'll need it soon. > I agree with the testing. I get the make and modek of the disk and > them go to the manufacturer's web site and download their test tool. > It's frequently called "drive fitness dest". > You run it and it makes a bootable floppy or CD. Boot it and you can > run read-only tests if you have data you want to save or run several > passes of the write/read test to see if the drive is worth keeping. > I don't use a disk that's ever shown one bad sector for anything > important after I've swapped it out of service. Agreed. But so far the disk has no bad sectors. Might be something else entirely... Arno >>>>> This one may completely healty, but the pending sectors are >>>>> suspicuous. Best run a long-smart self-test. It will do a comlete [quoted text clipped - 30 lines] > > Agreed. But so far the disk has no bad sectors. Corse it has, they just havent been reallocated yet, normally because they havent been written to yet. > Might be something else entirely... Correct. BTW I just noticed the pending sector count is now up to 7 from 5 two hours ago. > BTW I just noticed the pending sector count is now up to 7 from 5 two > hours ago. Hmm. Not good. Do you have backup? Arno >>BTW I just noticed the pending sector count is now up to 7 from 5 two >>hours ago. > > Hmm. Not good. Do you have backup? Oh dear god yes ;-) Chkdsk ran this morning and corrected a whole host of errors so I think it's time to replace it. Thank to all who responded. Keith. >>>BTW I just noticed the pending sector count is now up to 7 from 5 two >>>hours ago. >> >> Hmm. Not good. Do you have backup? > Oh dear god yes ;-) Chkdsk ran this morning and corrected a whole host > of errors so I think it's time to replace it. Thank to all who responded. Might be premature. So far the disk has no defective sectors, just some it has trouble reading. This may have other reasons, which could influence a new disk just the same way. You can of course get a new disk and try, but it is possible that it will show similar symptoms. Arno >>>>BTW I just noticed the pending sector count is now up to 7 from 5 two >>>>hours ago. [quoted text clipped - 9 lines] > course get a new disk and try, but it is possible that it will > show similar symptoms. Thanks Arno. Not sure what to do now, probably will try a new one and see how it goes. Regards, Keith. >>>>>BTW I just noticed the pending sector count is now up to 7 from 5 two >>>>>hours ago. [quoted text clipped - 9 lines] >> course get a new disk and try, but it is possible that it will >> show similar symptoms. > Thanks Arno. Not sure what to do now, probably will try a new one and > see how it goes. It is ok as a next step, if you do not mind the cost for the new drive. Arno > BTW I just noticed the pending sector count is now up to 7 from 5 two hours ago. Either the drive is dying or its a flakey power supply if you didnt get any mains surges during that time. > My Win XP Pro PC suffered a BSOD yesterday telling me that part of the registry was corrupted. I > restored the OS from my Acronis True Image backup but the bad sector count has increased from 3 to > 5. Not knowing much about these things, is it time to buy a new HDD? Depends on what is producing the bads. If its external to the drive like a bad power supply, mains surges etc, best to fix that and the drive will be fine. > Here's the SMART report. > --------[ SMART > ]------------------------------------------------------------------------------------------------------- [quoted text clipped - 72 lines] > C8 Write Error Rate 51 200 155 0 > OK: Value is normal >>My Win XP Pro PC suffered a BSOD yesterday telling me that part of the registry was corrupted. I >>restored the OS from my Acronis True Image backup but the bad sector count has increased from 3 to >>5. Not knowing much about these things, is it time to buy a new HDD? > > Depends on what is producing the bads. If its external to the drive like a > bad power supply, mains surges etc, best to fix that and the drive will be fine. Thanks Rod. It's a "store bought" Sony VAIO desktop PC and the other HDD is fine. Would you happen to know if Sony's power supplies were prone to being flaky? I have so much surge protection on everything I don't think it's that. Regards, Keith. > Rod Speed wrote >>> My Win XP Pro PC suffered a BSOD yesterday telling me that part of >>> the registry was corrupted. I restored the OS from my Acronis True >>> Image backup but the bad sector count has increased from 3 to 5. Not knowing much about these >>> things, is it time to buy a new HDD? >> Depends on what is producing the bads. If its external to the drive like a bad power supply, >> mains surges etc, best to fix that and the drive will be fine. > Thanks Rod. It's a "store bought" Sony VAIO desktop PC and the other HDD is fine. Same model or different ? > Would you happen to know if Sony's power supplies were prone to being flaky? They arent anything specially on that. > I have so much surge protection on everything I don't think it's that. And you had more show up when you would presumably have noticed a surge too. Most likely the drive is dying. |
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