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09/11/2012 10:54:37 AM · #26 |
Originally posted by bspurgeon:
I thought that the SMART parameters were not available from external drives?
ETA: BTW, I have 4 drives in the device. All are reporting as good per Drobo. Which is bad? ;) |
The SMART parameters might not be available to devices connected over an external link, but I *think* it depends on what type of link. For instance, an e-sata connected drive should look to the system just like an internal drive.
In any case, to the Drobo unit the drives are all internal, and as such the Drobo "OS" should be able to recognize signs of impending failure.
Here's what I'd do:
- Get my data extracted from the Drobo unit
- Remove drives one at a time, hook them up to a test system and run diagnostic software to identify problems
When my main data drive began failing, I was able to run SeaTools on it and confirm that it was in trouble, which enabled me to rapidly request a replacement. I now run a free version of Acronis Drive Monitor to monitor hdd health.
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09/16/2012 05:13:01 PM · #27 |
| Finally got all the data off the Drobo thanks to the DiskWarrior software. Updated the Drobo firmware, now reformatting. Fritz, I downloaded the Acronis software and plan to check each drive before putting the data back. I have a feeling the drives will be fine, I found out that our youngest had hit the kill switch on the UPS unit. She hit it again and everything came back to life. No harm, no foul, don't tell daddy. Looking back, it was that night when I started having problems. That must have corrupted the directory, yes? I had a similar problem a few years ago with a black out which resulted in the UPS purchase. |
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09/16/2012 07:53:10 PM · #28 |
| Nice to hear things are back. |
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09/16/2012 11:03:17 PM · #29 |
Originally posted by bspurgeon:
Finally got all the data off the Drobo thanks to the DiskWarrior software. |
Similar issue here just this week, though with a simple 1.5 TB external drive. Power was cut to the drive and I didn't think much of it, but the next time I tried to write to the drive the estimate was 14 or 15 hours to transfer about a gig. Realized there was a problem, and the directory confirmed that be insisting I hadn't taken a photo in a year and half.
With DiskWarrior I've managed to relocate about 400 GB of photos, but there are still massive gaps. I haven't "rebuilt" the directory... only scanned and previewed it.
Ben, how did you "finally" get all the data? Any special tricks? I've saved everything possible and will likely just run it again with hopes of a better outcome, but if you did anything special, I'm all ears. Thanks. |
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09/16/2012 11:14:26 PM · #30 |
I ran DiskWarrior several times. On attempt 8 or so it finally said that it could not rebuild the directory due to a hardware issue. Nothing new except this time it offered a preview of the volume mounted. So I spent the next few days transferring the data on to a new single 3TB drive. I had an additional 400GB to transfer off as well, and that went to my time machine drive. I'm loading everything back on to my original drives now as they seem to be OK.
Shannon was the one who said to keep running DiskUtility (and DiskWarrior by my presumption) as the programs may make small repairs (?) each time.
(BTW, only a small amount of the data was at risk as I had it backed up.)
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09/16/2012 11:23:22 PM · #31 |
Thanks for reply. I'm already very happy with the results, but I will give it another go until I can be sure I can't squeeze any more out of it.
Due to an intercontinental move, additional hardware failures and general disorganization, I wasn't as backed up as I should have been, so DiskWarrior has a big fan here. |
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09/16/2012 11:50:50 PM · #32 |
Originally posted by bspurgeon:
I found out that our youngest had hit the kill switch on the UPS unit. She hit it again and everything came back to life. No harm, no foul, don't tell daddy. Looking back, it was that night when I started having problems. That must have corrupted the directory, yes? |
Maybe, or it could just be a coincidence. The Drobo itself has a built-in battery to keep the drive running long enough to finish writing and shut down safely. I didn't know that until I checked last month after a storm knocked out power and I noticed the Drobo was still lit for a few minutes. |
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09/17/2012 12:07:37 AM · #33 |
| Which unit? Mine just shuts off. (2nd Gen, 2010) |
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