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OCZ SDD drives destroyed by hard reset or power off?
I am getting the unpleasant feeling that my SDD is dying, again.
I have done a button style power off and one or two hard resets recently. And now I am getting a CHKDSK error. In any case, if the indication is correct, this will be the second OCZ SDD that has gone belly up in my system. |
#2
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OCZ SDD drives destroyed by hard reset or power off?
On 17 Dec 2011 22:26:39 GMT, John Doe wrote:
I am getting the unpleasant feeling that my SDD is dying, again. Although I don't use RAID, it seems like the only way to prevent down time. I have done a button style power off and one or two hard resets recently. And now I am getting a CHKDSK error. In any case, if the indication is correct, this will be the second OCZ SDD that has gone belly up in my system. |
#3
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OCZ SDD drives destroyed by hard reset or power off?
On Sat, 17 Dec 2011 22:26:39 +0000, John Doe rearranged some electrons to
say: I am getting the unpleasant feeling that my SDD is dying, again. I have done a button style power off and one or two hard resets recently. And now I am getting a CHKDSK error. In any case, if the indication is correct, this will be the second OCZ SDD that has gone belly up in my system. Even solid state disks are not immune to failure. I recently had one that admittedly is not in an office environment (it is in an amateur radio repeater system) go bad after 3 years of 24/7 operation. The failure mode was interesting... the system was still running (CentOS Linux) but I could no longer write to any of the filesystem. Reads worked fine, and the kernel was still running (without logging anything, though). Once I rebooted it, it refused to start back up. We replaced it, and restored the system with a backup. You do have a current backup, don't you?? |
#4
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OCZ SDD drives destroyed by hard reset or power off?
david none nospam.com wrote:
John Doe rearranged some electrons to say: I am getting the unpleasant feeling that my SDD is dying, again. I have done a button style power off and one or two hard resets recently. And now I am getting a CHKDSK error. In any case, if the indication is correct, this will be the second OCZ SDD that has gone belly up in my system. Even solid state disks are not immune to failure. I recently had one that admittedly is not in an office environment (it is in an amateur radio repeater system) go bad after 3 years of 24/7 operation. The failure mode was interesting... the system was still running (CentOS Linux) but I could no longer write to any of the filesystem. Reads worked fine, and the kernel was still running (without logging anything, though). Once I rebooted it, it refused to start back up. We replaced it, and restored the system with a backup. You do have a current backup, don't you?? Lots. I would be off-line for at least 30 minutes... I suppose a diagnostics utility from OCZ might be useful, but I haven't looked (yet). |
#5
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OCZ SDD drives destroyed by hard reset or power off?
On 12/17/2011 5:26 PM, John Doe wrote:
I am getting the unpleasant feeling that my SDD is dying, again. I have done a button style power off and one or two hard resets recently. And now I am getting a CHKDSK error. In any case, if the indication is correct, this will be the second OCZ SDD that has gone belly up in my system. I recently (last week) had my OCZ SSD start acting badly. It was pretty much unusable. I contacted OCZ to go through the procedure to send it back. Jeff, a tech guy there emailed me to update the firmware on my SSD. I did and it fixed the drive. I did have to erase the drive (sometimes you don't) but I had a backup image on another drive, so there was no loss. Charlie |
#6
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OCZ SDD drives destroyed by hard reset or power off?
On Sun, 18 Dec 2011 20:28:14 +0000 (UTC), david
wrote: On Sat, 17 Dec 2011 22:26:39 +0000, John Doe rearranged some electrons to say: I am getting the unpleasant feeling that my SDD is dying, again. I have done a button style power off and one or two hard resets recently. And now I am getting a CHKDSK error. In any case, if the indication is correct, this will be the second OCZ SDD that has gone belly up in my system. Even solid state disks are not immune to failure. I recently had one that admittedly is not in an office environment (it is in an amateur radio repeater system) go bad after 3 years of 24/7 operation. The failure mode was interesting... the system was still running (CentOS Linux) but I could no longer write to any of the filesystem. Reads worked fine, and the kernel was still running (without logging anything, though). Once I rebooted it, it refused to start back up. We replaced it, and restored the system with a backup. You do have a current backup, don't you?? What you're seeing isn't a failure per se, but rather the drive reached the end of the expected write life. There were no sectors left that were listed as ok to write to so the drive went read-only. |
#7
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OCZ SDD drives destroyed by hard reset or power off?
Loren Pechtel lorenpechtel hotmail.com wrote:
david none nospam.com wrote: John Doe rearranged some electrons to say: I am getting the unpleasant feeling that my SDD is dying, again. I have done a button style power off and one or two hard resets recently. And now I am getting a CHKDSK error. In any case, if the indication is correct, this will be the second OCZ SDD that has gone belly up in my system. Even solid state disks are not immune to failure. I recently had one that admittedly is not in an office environment (it is in an amateur radio repeater system) go bad after 3 years of 24/7 operation. The failure mode was interesting... the system was still running (CentOS Linux) but I could no longer write to any of the filesystem. Reads worked fine, and the kernel was still running (without logging anything, though). Once I rebooted it, it refused to start back up. We replaced it, and restored the system with a backup. You do have a current backup, don't you?? What you're seeing isn't a failure per se, but rather the drive reached the end of the expected write life. There were no sectors left that were listed as ok to write to so the drive went read-only. Then the manufacturer claims of 1.5 million hours mean time between failure (MTBF) were all bogus. In that case, hopefully they have stopped making those silly claims. |
#8
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OCZ SDD drives destroyed by hard reset or power off?
In message m someone
claiming to be John Doe typed: Loren Pechtel lorenpechtel hotmail.com wrote: What you're seeing isn't a failure per se, but rather the drive reached the end of the expected write life. There were no sectors left that were listed as ok to write to so the drive went read-only. Then the manufacturer claims of 1.5 million hours mean time between failure (MTBF) were all bogus. In that case, hopefully they have stopped making those silly claims. I don't think MTBF means what you think it means; A sample size of 1 isn't sufficient to determine whether it's bogus or not. -- It's always darkest before dawn. So if you're going to steal your neighbor's newspaper, that's the time to do it. |
#9
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OCZ SDD drives destroyed by hard reset or power off?
DevilsPGD Still-Just-A-Rat-In-A-Cage crazyhat.net wrote:
In message 4eeeb35a$0$5498$c3e8da3$eb767761 news.astraweb.com someone claiming to be John Doe jdoe usenetlove.invalid typed: Loren Pechtel lorenpechtel hotmail.com wrote: What you're seeing isn't a failure per se, but rather the drive reached the end of the expected write life. There were no sectors left that were listed as ok to write to so the drive went read-only. Then the manufacturer claims of 1.5 million hours mean time between failure (MTBF) were all bogus. In that case, hopefully they have stopped making those silly claims. I don't think MTBF means what you think it means; A sample size of 1 isn't sufficient to determine whether it's bogus or not. Are you drunk? -- -- It's always darkest before dawn. So if you're going to steal your neighbor's newspaper, that's the time to do it. Path: news.astraweb.com!border6.newsrouter.astraweb.com! news-out.octanews.net!indigo.octanews.net!news.glorb.co m!feeder.erje.net!news-1.dfn.de!news.dfn.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: DevilsPGD Still-Just-A-Rat-In-A-Cage crazyhat.net Newsgroups: alt.comp.hardware.pc-homebuilt Subject: OCZ SDD drives destroyed by hard reset or power off? Date: Sun, 18 Dec 2011 22:26:25 -0800 Organization: Disorganized Lines: 20 Message-ID: lbfte79o4oiurfd8q0ts9rud3irvvt9fkk 4ax.com References: 4eed171f$0$2326$c3e8da3$460562f1 news.astraweb.com jclicu$l5k$1 dont-email.me 0r9te7docoeaeee09465dorkfgsar5mlj4 4ax.com 4eeeb35a$0$5498$c3e8da3$eb767761 news.astraweb.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: individual.net UIJ2l+Ka9afc13b4Xg38dQkOHT6mKFj/3F4XDp/ZdHHf2n2lZj Cancel-Lock: sha1:HZCd9LKhJ40lv++uGfOkqHLF7i8= X-Newsreader: Forte Agent 6.00/32.1186 |
#10
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OCZ SDD drives destroyed by hard reset or power off?
Loren Pechtel wrote:
On Sun, 18 Dec 2011 20:28:14 +0000 (UTC), david wrote: On Sat, 17 Dec 2011 22:26:39 +0000, John Doe rearranged some electrons to say: I am getting the unpleasant feeling that my SDD is dying, again. I have done a button style power off and one or two hard resets recently. And now I am getting a CHKDSK error. In any case, if the indication is correct, this will be the second OCZ SDD that has gone belly up in my system. Even solid state disks are not immune to failure. I recently had one that admittedly is not in an office environment (it is in an amateur radio repeater system) go bad after 3 years of 24/7 operation. The failure mode was interesting... the system was still running (CentOS Linux) but I could no longer write to any of the filesystem. Reads worked fine, and the kernel was still running (without logging anything, though). Once I rebooted it, it refused to start back up. We replaced it, and restored the system with a backup. You do have a current backup, don't you?? What you're seeing isn't a failure per se, but rather the drive reached the end of the expected write life. There were no sectors left that were listed as ok to write to so the drive went read-only. It's more likely to be a firmware issue. SSD drives have their own processor inside, and a firmware load. And the SSD drive is "busy" internally, even when you aren't using it. It's pretty hard to test those firmwares, and remove all the bugs from them. The firmware has to be "correct by design", because lab testing simply won't uncover all the bugs. (This is something I learned from my computer design days, is that lab testing, gets the error rate in design down to a certain level. But if your design techniques suck, it shows. And that's what modern SSDs look like to me - inadequate designs, rushed out the door.) I thought there was some SMART stat, which kept track of write life. Maybe people should be eyeballing that, once in a while. Or perhaps, simply recording the SMART stats every day. Then, when the device fails, go back and look at the stats, and see if there is any reason to suspect it was actually media. http://en.wikipedia.org/wiki/S.M.A.R.T. "233 0xE9 Media Wearout Indicator Intel SSD reports a normalized value of 100 (when the SSD is new) and declines to a minimum value of 1. It decreases while the NAND erase cycles increase from 0 to the maximum-rated cycles." So there is a way to track it. Too bad there isn't much adherence to standards out there. You can't really rely on all drives, doing SMART exactly the same way. And that was true, even with hard drives. The important parameters may be there, but many of the others, differ from design to design. You really need an article about SMART, that compares what the various manufacturers and controller designs are doing, before deciding indicators like that actually mean something. Paul |
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