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Sorry about the name, I have no idea how to describe this in a short phrase. So I had windows crash and it wouldn't boot from the disk, it is a 500gb hitachi 5200rpm drive on an acer aspire 7560. I booted from my linux hard drive, used the "disks" or whatever program, and it said that I had 1000 or so "bad blocks" I checked an hour later and it said it had "3800" bad blocks, I am running badblocks on it right now with the non-destructive read/write test and it shows only read errors, no write or compare errors. Does this mean that there are only data corruption errors on the disk from an abrupt shutdown, or is the disk surface genuinely damaged? The number of bad blocks has not increased since I checked two hours ago, in fact it seems to have decreased from what I recall. EDIT: I got some compare errors, actually, here is a log of what it has given me so far:

sawyer@sawyer-Vostro-1720:/home-ext/home/sawyer$ sudo badblocks -v -n -s /dev/sdb
[sudo] password for sawyer:           
Checking for bad blocks in non-destructive read-write mode
From block 0 to 488386583
Checking for bad blocks (non-destructive read-write test)
Testing with random pattern:   0.00% done, 0:37 elapsed. (0/0/0 errors)


217784% done, 19:14 elapsed. (0/0/0 errors)
217785% done, 19:20 elapsed. (1/0/0 errors)
217786% done, 19:27 elapsed. (2/0/0 errors)
217787% done, 19:33 elapsed. (3/0/0 errors)
217792% done, 19:49 elapsed. (4/0/0 errors)
217793% done, 19:56 elapsed. (5/0/0 errors)
217794% done, 20:02 elapsed. (6/0/0 errors)
217795% done, 20:09 elapsed. (7/0/0 errors)
217800% done, 20:15 elapsed. (8/0/0 errors)
217801% done, 20:22 elapsed. (9/0/0 errors)
217802% done, 20:28 elapsed. (10/0/0 errors)
217803% done, 20:38 elapsed. (11/0/0 errors)
217816% done, 20:44 elapsed. (12/0/0 errors)
217817% done, 20:51 elapsed. (13/0/0 errors)
217818% done, 21:00 elapsed. (14/0/0 errors)
217819% done, 21:07 elapsed. (15/0/0 errors)
217828% done, 21:14 elapsed. (16/0/0 errors)
217829% done, 21:23 elapsed. (17/0/0 errors)
217830% done, 21:30 elapsed. (18/0/0 errors)
217831% done, 21:36 elapsed. (19/0/0 errors)
217832% done, 21:43 elapsed. (20/0/0 errors)
217833% done, 21:49 elapsed. (21/0/0 errors)
217834% done, 21:56 elapsed. (22/0/0 errors)
217835% done, 22:02 elapsed. (23/0/0 errors)
217836% done, 22:09 elapsed. (24/0/0 errors)
217837% done, 22:15 elapsed. (25/0/0 errors)
217838% done, 22:22 elapsed. (26/0/0 errors)                                                                
217839% done, 22:29 elapsed. (27/0/0 errors)                                                                
217840% done, 22:35 elapsed. (28/0/0 errors)                                                                
217841% done, 22:42 elapsed. (29/0/0 errors)                                                                
217842% done, 22:48 elapsed. (30/0/0 errors)                                                                
217843% done, 22:55 elapsed. (31/0/0 errors)                                                                
217844% done, 23:01 elapsed. (32/0/0 errors)                                                                
217845% done, 23:08 elapsed. (33/0/0 errors)                                                                
217846% done, 23:14 elapsed. (34/0/0 errors)                                                                
217847% done, 23:21 elapsed. (35/0/0 errors)                                                                
217848% done, 23:30 elapsed. (36/0/0 errors)                                                                
217856% done, 24:02 elapsed. (37/0/0 errors)                                                                                                                                                                                     
217857% done, 24:09 elapsed. (38/0/0 errors)
217864% done, 24:20 elapsed. (39/0/0 errors)
217865% done, 24:27 elapsed. (40/0/0 errors)
217866% done, 24:33 elapsed. (41/0/0 errors)
217867% done, 24:40 elapsed. (42/0/0 errors)
217868% done, 24:46 elapsed. (43/0/0 errors)
217869% done, 24:52 elapsed. (44/0/0 errors)
217870% done, 24:59 elapsed. (45/0/0 errors)
217871% done, 25:05 elapsed. (46/0/0 errors)
217876% done, 25:18 elapsed. (47/0/0 errors)
217877% done, 25:24 elapsed. (48/0/0 errors)
217878% done, 25:31 elapsed. (49/0/0 errors)
217879% done, 25:37 elapsed. (50/0/0 errors)
217908% done, 25:57 elapsed. (51/0/0 errors)
217909% done, 26:06 elapsed. (52/0/0 errors)
217912% done, 26:19 elapsed. (53/0/0 errors)
217916% done, 26:29 elapsed. (54/0/0 errors)
217917% done, 26:32 elapsed. (55/0/0 errors)
217918% done, 26:45 elapsed. (56/0/0 errors)
217919% done, 26:51 elapsed. (57/0/0 errors)
218040% done, 27:57 elapsed. (58/0/0 errors)
218041% done, 28:01 elapsed. (59/0/0 errors)
218049% done, 28:42 elapsed. (60/0/0 errors)
218052% done, 28:55 elapsed. (61/0/0 errors)
218053% done, 28:59 elapsed. (62/0/0 errors)
218054% done, 29:12 elapsed. (63/0/0 errors)
218055% done, 29:21 elapsed. (64/0/0 errors)
218056% done, 29:25 elapsed. (65/0/0 errors)
218057% done, 29:31 elapsed. (66/0/0 errors)
218080% done, 30:22 elapsed. (67/0/0 errors)
218084% done, 30:39 elapsed. (68/0/0 errors)
218085% done, 30:52 elapsed. (69/0/0 errors)
218086% done, 30:56 elapsed. (70/0/0 errors)
218113% done, 31:19 elapsed. (71/0/0 errors)
218148% done, 31:29 elapsed. (72/0/0 errors)
218149% done, 31:37 elapsed. (73/0/0 errors)
218150% done, 31:47 elapsed. (74/0/0 errors)
218151
218152
218153% done, 32:06 elapsed. (75/0/2 errors)
218155% done, 32:16 elapsed. (76/0/2 errors)
218156
218157% done, 32:36 elapsed. (77/0/3 errors)
218160% done, 32:52 elapsed. (78/0/3 errors)
218164
218165% done, 33:15 elapsed. (79/0/4 errors)
218166% done, 33:27 elapsed. (80/0/4 errors)
218167% done, 33:40 elapsed. (81/0/4 errors)
218168% done, 33:53 elapsed. (82/0/4 errors)
218169% done, 34:00 elapsed. (83/0/4 errors)
218170% done, 34:10 elapsed. (84/0/4 errors)
218171% done, 34:16 elapsed. (85/0/4 errors)
218172% done, 34:23 elapsed. (86/0/4 errors)
218173% done, 34:39 elapsed. (87/0/4 errors)
218174% done, 34:45 elapsed. (88/0/4 errors)
218175% done, 34:52 elapsed. (89/0/4 errors)
218244% done, 35:06 elapsed. (90/0/4 errors)
218245% done, 35:09 elapsed. (91/0/4 errors)
218246% done, 35:16 elapsed. (92/0/4 errors)
218247% done, 35:22 elapsed. (93/0/4 errors)
218248% done, 35:25 elapsed. (94/0/4 errors)
218249% done, 35:29 elapsed. (95/0/4 errors)
218250% done, 35:32 elapsed. (96/0/4 errors)
218251% done, 35:35 elapsed. (97/0/4 errors)
218252% done, 35:42 elapsed. (98/0/4 errors)
218253% done, 35:48 elapsed. (99/0/4 errors)
218254% done, 35:54 elapsed. (100/0/4 errors)
218255% done, 36:01 elapsed. (101/0/4 errors)
218256% done, 36:07 elapsed. (102/0/4 errors)
218257% done, 36:14 elapsed. (103/0/4 errors)
218258% done, 36:20 elapsed. (104/0/4 errors)
218259% done, 36:27 elapsed. (105/0/4 errors)
218260% done, 36:33 elapsed. (106/0/4 errors)
218261% done, 36:40 elapsed. (107/0/4 errors)
218262% done, 36:46 elapsed. (108/0/4 errors)
218263% done, 36:53 elapsed. (109/0/4 errors)
218264% done, 36:59 elapsed. (110/0/4 errors)
218265% done, 37:06 elapsed. (111/0/4 errors)
218266% done, 37:09 elapsed. (112/0/4 errors)
218267% done, 37:15 elapsed. (113/0/4 errors)
218268% done, 37:22 elapsed. (114/0/4 errors)
218269% done, 37:28 elapsed. (115/0/4 errors)
218270% done, 37:35 elapsed. (116/0/4 errors)
218271% done, 37:41 elapsed. (117/0/4 errors)
218272% done, 37:48 elapsed. (118/0/4 errors)
218273% done, 37:57 elapsed. (119/0/4 errors)
218274% done, 38:01 elapsed. (120/0/4 errors)
218275% done, 38:07 elapsed. (121/0/4 errors)
218276% done, 38:14 elapsed. (122/0/4 errors)
218277% done, 38:20 elapsed. (123/0/4 errors)
218278% done, 38:26 elapsed. (124/0/4 errors)
218279% done, 38:33 elapsed. (125/0/4 errors)
218280% done, 38:39 elapsed. (126/0/4 errors)
218281% done, 38:46 elapsed. (127/0/4 errors)
218282% done, 38:56 elapsed. (128/0/4 errors)
218283% done, 39:03 elapsed. (129/0/4 errors)
218284% done, 39:09 elapsed. (130/0/4 errors)
218285% done, 39:16 elapsed. (131/0/4 errors)
218286% done, 39:22 elapsed. (132/0/4 errors)
218287% done, 39:28 elapsed. (133/0/4 errors)
218288% done, 39:35 elapsed. (134/0/4 errors)
218289% done, 39:41 elapsed. (135/0/4 errors)
218290% done, 39:48 elapsed. (136/0/4 errors)
218291% done, 39:58 elapsed. (137/0/4 errors)
218292% done, 40:04 elapsed. (138/0/4 errors)
218293% done, 40:11 elapsed. (139/0/4 errors)
218294% done, 40:14 elapsed. (140/0/4 errors)
218295% done, 40:20 elapsed. (141/0/4 errors)
218296% done, 40:27 elapsed. (142/0/4 errors)
218297% done, 40:33 elapsed. (143/0/4 errors)
218298% done, 40:40 elapsed. (144/0/4 errors)
218299% done, 40:43 elapsed. (145/0/4 errors)
218300% done, 40:49 elapsed. (146/0/4 errors)
218301% done, 40:59 elapsed. (147/0/4 errors)
218302% done, 41:05 elapsed. (148/0/4 errors)
218303% done, 41:12 elapsed. (149/0/4 errors)
218304% done, 41:15 elapsed. (150/0/4 errors)
218434% done, 43:37 elapsed. (151/0/4 errors)
218436% done, 43:47 elapsed. (152/0/4 errors)
218437% done, 44:00 elapsed. (153/0/4 errors)
218438% done, 44:13 elapsed. (154/0/4 errors)
218439% done, 44:26 elapsed. (155/0/4 errors)

I know it is disorganized, but the count of currently pending sectors is what I was talking about, not the reallocation or reallocated sector counts

0.05% done, 1:39:16 elapsed. (444/0/124 errors)

is the latest output

hmayag
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sbergeron
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1 Answers1

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It looks like a failing disk (but no guarantee). Whenever you encounter things like this, back up your data (if necessary) AS SOON AS POSSIBLE, before further checks!

Then I would first look at the SMART indications to see if there's anything failing. If so, chuck it out and replace disk. If not, repairing bad blocks generally speaking leaves a few corrupt files and to repair such situation costs a lot of time. Just restart your install with a full format and (if necessary) restore data from backup. Keep your SMART tools handy to keep monitoring the disk. This might just be an indication of bad things to come... or you might just have been unlucky, had a power-cut, power-fluctuations, virus activity or something else that messed with your disk. I've seen things like this happen because of a bad power supply too.

If you suspect an issue with a PSU, you can always test it if you have the necessary tools, or you can obtain a PSU-tester for a few $'s (http://pcsupport.about.com/od/toolsofthetrade/f/powersupplytest.htm). If it is your PSU, you should replace it before it does damage to your more expensive parts like mobo, cpu, gpu, ssd, ram, ...

Jakke
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