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So what do we like for drive diagnostics ?
Posted by: cbelt3
Date: June 12, 2018 09:43PM
My Time Machine drive was rejected as 'unrepairable' by the backup process. Sigh... that's three backup drive failures in three years. The OEM 500GB drive is just fine.... Apple OEM, baby.
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Re: So what do we like for drive diagnostics ?
Posted by: clay
Date: June 12, 2018 09:59PM
Drivedx

Binaryfruit.com

Has a 14 day free trial
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Re: So what do we like for drive diagnostics ?
Posted by: jdc
Date: June 12, 2018 10:11PM
New drive.

Too much time and money to spend on something that might go bad again.



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Edited 999 time(s). Last edit at 12:08PM by jdc.



Edited 1 time(s). Last edit at 06/13/2018 12:57AM by jdc.
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Re: So what do we like for drive diagnostics ?
Posted by: Yoyodyne ArtWorks
Date: June 12, 2018 10:54PM
In over 30 years I’ve only had one hard drive outright die, and it was the one I used for Time Machine backups. It ran much hotter than my other external drives...that is hardly proof of anything, but I wonder if Time Machine places an unusual amount of stress on drives.



Once we place nonhuman animals outside our sphere of moral consideration
and treat them as things we use to satisfy our own desires,
the outcome is predictable.
- Peter Singer
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Re: So what do we like for drive diagnostics ?
Posted by: blooz
Date: June 12, 2018 11:40PM
Interesting. I got the same message about my TM hard drive. I can still access it and download from it, but can't add anything to it.
Got to find another solution.



And we should consider every day lost on which we have not danced at least once.
—Friedrich Nietzsche
Western Massachusetts
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Re: So what do we like for drive diagnostics ?
Posted by: Sarcany
Date: June 13, 2018 06:28AM
Run Smart Utility, use it to install the SMART SAT driver to read SMART data from external devices. Reboot after installing the driver and when you run SMART Utility again, you'll (probably) be able to pull SMART info from your external HD. (Some enclosures don't pass SMART info.)

Odds are that the problem is directory corruption rather than hardware issues, but the SMART check should provide the info you need to establish that. If it passes the SMART check then the drive is probably just fine.

Assuming that it's directory corruption, that's a "soft" problem that can be fixed by erasing the drive. As for how it happens, usually that happens to Time Machine drives when the user frequently disconnects the drive during backups.



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Re: So what do we like for drive diagnostics ?
Posted by: testcase
Date: June 13, 2018 06:47AM
Thanks for those recommendations clay.
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Re: So what do we like for drive diagnostics ?
Posted by: RAMd®d
Date: June 13, 2018 06:54AM
So far, I haven't found any directory damage that couldn't be fixed with DiskWarrior.

I don't know if it's appropriate to use on TM backup drives, though.




When a good man is hurt,
all who would be called good
must suffer with him.

You and I have memories longer than the road that stretches out ahead.

There is no safety for honest men
except by believing all possible evil
of evil men.

We don’t do focus groups. They just ensure that you don’t offend anyone, and produce bland inoffensive products. —Sir Jonathan Ive

-An armed society is a polite society.
And hope is a lousy defense.

You make me pull, I'll put you down.

Mister, that's a ten-gallon hat on a twenty-gallon head.

I *love* Sigs. It's Glocks I hate.
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Re: So what do we like for drive diagnostics ?
Posted by: cbelt3
Date: June 13, 2018 08:03AM
Thanks all ! I'll try something tonight.
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Re: So what do we like for drive diagnostics ?
Posted by: PeterB
Date: June 13, 2018 08:04AM
The latest version of Diskwarrior WILL repair TM volumes -- I've used it for that purpose, and it worked great (though will take a very long time for repair). If the problem is a physical one for that drive, it will report that as well.




Freya says, 'Hello from NOLA, baby!' (Laissez bon temps rouler!)
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Re: So what do we like for drive diagnostics ?
Posted by: ka jowct
Date: June 13, 2018 11:01AM
If you are buying external drives from Seagate or WD, be aware that the enclosures are not wonderful. If the enclosures develop a problem, it is a royal pain to crack them open and try the drive in a different enclosure (speaking from unpleasant experience with Seagate externals). I stick with enclosures that are easy to work with and I install my drive of choice.



Edited 1 time(s). Last edit at 06/13/2018 11:03AM by ka jowct.
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