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OCZ Petrol 128gb, 40 bad sector after 12 days. Should I be worried ? - Page 2

post #11 of 28
Quote:
Originally Posted by transisto View Post

I just copied 50gb of important data, (now at 53 bad sector) , what would happen is the copying freeze (and any other HHD related operations) for ~1.5 minutes then it would resume.
I did a defrag to make it die faster...
BTW It may be pointless to defrag an SSD but there is no reason for this to affect a normal SSD in ANY measurable way.
The drive is truecrypted and the replacement drive is 8gb smaller, My concern right now is whether to decrypt this drive before cloning it or to clone it encrypted to a larger HDD temporarily.
Either way I'd be better move everything of value piece by piece first.

You defragged to make it die faster, BEFORE you transferred all your data to a working HDD? How is that logical? Once you get it fixed, just run several passes of DBAN on it; 26 passes almost certainly will kill it (then again, if <128GB made it useless, I don't see it withstanding another 1TB even). Anyways, you could try to copy over the whole thing, but if it's for an OS install, you're best off doing a clean install on your other HDD. For one, you have bad sectors - it's quite possible important system files got wiped out in the bad sectors. Otherwise, shrink the partition down. For future reference, you shouldn't store much anything of value on an SSD - OS, programs, games, temp files, and files for work (ex: if you do Photoshop, programming, or CAD, your workspace might as well go on SSD). Personally if my SSD died, I'd lose nothing; all my important work files (3D CAD models) are synced in the cloud via Dropbox, another protip I'd recommend.
 
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post #12 of 28
It's the cheapest ssd in the cheapest line of OCZ ssd.

OCZ has to put the absolute cheapest nand memory they can find in it to make any money. And now you have the result of buying a cheap ssd.

It's simply not worth wasting your money on a cheap ssd.
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post #13 of 28
Thread Starter 
Quote:
Originally Posted by jrbroad77 View Post

You defragged to make it die faster, BEFORE you transferred all your data to a working HDD? How is that logical? Once you get it fixed, just run several passes of DBAN on it; 26 passes almost certainly will kill it (then again, if <128GB made it useless, I don't see it withstanding another 1TB even). Anyways, you could try to copy over the whole thing, but if it's for an OS install, you're best off doing a clean install on your other HDD. For one, you have bad sectors - it's quite possible important system files got wiped out in the bad sectors. Otherwise, shrink the partition down. For future reference, you shouldn't store much anything of value on an SSD - OS, programs, games, temp files, and files for work (ex: if you do Photoshop, programming, or CAD, your workspace might as well go on SSD). Personally if my SSD died, I'd lose nothing; all my important work files (3D CAD models) are synced in the cloud via Dropbox, another protip I'd recommend.

Thanks for that useful post,

I was expecting the defrag to raise the bad sector count "slightly", Not freeze my machine solid.

When I tried to decrypt it, same, it would freeze at ~1% , waited 5 min and rebooted.

I've then made an acronis TIB file of the whole drive to an HDD, I had to click ignore all CRC error, Took (only) ~30min.
I'm curious in what state that backup is, I'll try booting it in a VM
post #14 of 28
I share your fears, transisto; I got a Petrol 128 in Feb/2012, had a complete FAILURE within 30 days, got a replacement from the the seller...and now I have another COMPLETE FAILURE of the unit!! ( I actually had to reformat my machine 2 weeks ago, due to the repeated "disappearances" of the drive from my EUFI. mad.gif
I am RMA'ing the drive, but, I hold no hopes for it to be any better! (I'm just going to put it up for auction, or something, still in the sealed package!)thumb.gif

IMHO, the PETROL is JUNK!! Run away!! Or, in your case, follow my lead! RMA it, and sell it! Get one with a Pedigree, as suggested above.thumb.gif



My 2 cents...biggrin.gif
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post #15 of 28
Thread Starter 
Quote:
Originally Posted by GenLeePizdov View Post

I share your fears, transisto; I got a Petrol 128 in Feb/2012, had a complete FAILURE within 30 days, got a replacement from the the seller...and now I have another COMPLETE FAILURE of the unit!! ( I actually had to reformat my machine 2 weeks ago, due to the repeated "disappearances" of the drive from my EUFI. mad.gif
I am RMA'ing the drive, but, I hold no hopes for it to be any better! (I'm just going to put it up for auction, or something, still in the sealed package!)thumb.gif

IMHO, the PETROL is JUNK!! Run away!! Or, in your case, follow my lead! RMA it, and sell it! Get one with a Pedigree, as suggested above.thumb.gif
My 2 cents...biggrin.gif

How is selling a defective product to someone else a solution ? It's no better than what OCZ did, it's a fraud.

There has to be a way to get refunded or sue them over this.
post #16 of 28
I hope you have now found out that running an older SSD with true crypt will kill the drive fast due to the encryption the wear levelling doesn't operate, see: http://www.truecrypt.org/docs/?s=wear-leveling

I wouldnt be so quick to blame the SSD...!
post #17 of 28
Quote:
Originally Posted by plazma247 View Post

I hope you have now found out that running an older SSD with true crypt will kill the drive fast due to the encryption the wear levelling doesn't operate, see: http://www.truecrypt.org/docs/?s=wear-leveling

I wouldnt be so quick to blame the SSD...!

Nah. Petrol is pretty bad. I don't put much store by Newegg reviews but when nearly all of them report failure after 3-6 months of use, I reckon there's something wrong with the SSD. I think the Petrol might be using Indilinx Everest which is reported to have high write amplification (around 50x worst case, iirc). No doubt TrueCrypt just exacerbated the problem so instead of dying at 3 months, it died just after 1 month. That said, if using software-based drive encryption, setting aside space for over-provisioning is a must as the default spare area on consumer SSDs just isn't sufficient and TRIM is rendered effectively useless.
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post #18 of 28
Necro.
Edited by Traphix - 2/14/13 at 11:23am
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post #19 of 28
Quote:
Originally Posted by plazma247 View Post

I hope you have now found out that running an older SSD with true crypt will kill the drive fast due to the encryption the wear levelling doesn't operate, see: http://www.truecrypt.org/docs/?s=wear-leveling

I wouldnt be so quick to blame the SSD...!
Wow, so wear leveling will not take place with true crypt, interesting.
post #20 of 28
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by Sean Webster View Post

Wow, so wear leveling will not take place with true crypt, interesting.

It's not so much that wear leveling won't take place but that it will have very little NAND to do it with.

Say you have a 120GB (128GiB NAND) and you format the entire space so you have a ~112GiB encrypted partition. That 112GiB partition will be full of random data so you only have 16GiB (128GiB - 112GiB) of NAND available for SSD maintenance (wear leveling, etc). With a 128GB SSD (~120GiB formatted), you only 8GiB available. This is why over-provisioning is crucial if you use software encryption as your encrypted partition is essentially always 100% full.
Edited by rui-no-onna - 2/14/13 at 11:21am
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