October 19, 20169 yr https://lime-technology.com/forum/index.php?topic=39892.msg508396#msg508396 The read heads (yes, ALL 8 of them) were all in the filters and scattered around as a fine dust. All 4 platters both sides were gouged the same way. I'm scratching my head how this could happen, none of the other drives in the machine show any signs of failure. It's almost like that particular drive lost atmosphere, and all the heads touched down. The motor and head positioning bearings seemed ok, no excessive play that I could detect. BTW, I'm writing this on a VM hosted by the machine that had this drive as an array member.
October 19, 20169 yr Bloody hell..... Never seen any drive fail that badly..... Think you can get any data off?
October 19, 20169 yr Author Bloody hell..... Never seen any drive fail that badly..... Think you can get any data off? Only with a scanning tunneling microscope. Funny thing is, that's only about 72 hours worth of damage. Unraid failed the drive around 8PM on Friday, I shut down the server around noon on Monday. Came in to what sounded like rushing water in the server closet.
October 19, 20169 yr https://lime-technology.com/forum/index.php?topic=39892.msg508396#msg508396 The read heads (yes, ALL 8 of them) were all in the filters and scattered around as a fine dust. All 4 platters both sides were gouged the same way. I'm scratching my head how this could happen, none of the other drives in the machine show any signs of failure. It's almost like that particular drive lost atmosphere, and all the heads touched down. The motor and head positioning bearings seemed ok, no excessive play that I could detect. BTW, I'm writing this on a VM hosted by the machine that had this drive as an array member. So, you mentioned all the heads touching down, which is likely if the motor fails (drops rpms). But it is also possible that one head crashed and the resulting debris got into all the remaining heads. I'm not sure anything can get the dust back in the right places, or sort it.
October 19, 20169 yr Author So, you mentioned all the heads touching down, which is likely if the motor fails (drops rpms). But it is also possible that one head crashed and the resulting debris got into all the remaining heads. I'm not sure anything can get the dust back in the right places, or sort it. Actually, the single head catastrophic crash followed by debris erosion on the rest of the heads makes a lot of sense. I had plenty of warning, the reallocated sector count had been climbing steadily, with the accompanying notifications. I think it only got to about 300 before the drive exploded though. Sure would be nice if all failures gave that much advance warning.
October 20, 20169 yr Strangely, I recall reading bad things about the 1TB 7200.11 drive even a few years ago, which is why the last few drives I bought were from WD. I still have my old 160GB 7200.7 PATA drive, though. I think it may still work, but it's been sitting cold in storage for so long, I don't have a purpose for it.
October 20, 20169 yr Strangely, I recall reading bad things about the 1TB 7200.11 drive even a few years ago, which is why the last few drives I bought were from WD. The problem with the 7200.11's were the firmware (which was Seagate's first attempt at creating the NAS drives and made a mistake with them) which was easily fixed even after the drives got bricked...
October 20, 20169 yr Author Strangely, I recall reading bad things about the 1TB 7200.11 drive even a few years ago, which is why the last few drives I bought were from WD. I still have my old 160GB 7200.7 PATA drive, though. I think it may still work, but it's been sitting cold in storage for so long, I don't have a purpose for it. I bear it no ill will. Pretty sure it was in use 24/7/365 since purchase, so I'd call that good. Keep in mind even the absolute WORST statistical drive failure numbers mean there are a high number of drives from the set that perform well over a very long lifetime. Drive statistics may be personally meaningful if you have hundreds or thousands of drives to look after, but are pretty meaningless for single digit quantities. I see many more drive failures from handling during shipping and after installation than I do from manufacturing issues.
October 20, 20169 yr Yeah, I figured you had a long lived drive. It was the firmware issue at the time, but I don't really know what to do now to shop for the most effective storage option. Figure I may eventually need to get a pair of 6TB drives, and upgrade unRAID to Plus, and make one of those drives my first parity volume.
October 21, 20169 yr Nice mess. The gouge looks deep enough it would soon cause the center to break out of the patter. You should let it go and see if it'll explode... I had a drive years ago fail where one where the one side of the platter was fairly evenly ground down so there was no shine left on it. There was a lot of dust in it. It happened in < 10 hours while I was at work. The drive was continually seeking and then parking the bad head across the platter when I came home. You know the very audible seek and park sounds old drives would make.
October 21, 20169 yr I presume you were able to simply replace & rebuild the drive with no loss of data [Hopefully you also had backups].
October 21, 20169 yr Author I presume you were able to simply replace & rebuild the drive with no loss of data [Hopefully you also had backups]. Yeah, no muss no fuss, unraid just worked. It's actually a low priority backup server anyway, which explains the old drive. The entire machine could go TU and I'd only be out a few minutes work to get back running on one of my other VM's hosted on a different physical box at a different address.
October 21, 20169 yr Author Nice mess. The gouge looks deep enough it would soon cause the center to break out of the patter. You should let it go and see if it'll explode... Heh, unfortunately it's been totally disassembled, I salvaged the magnets and other fun parts. Anybody got any ideas for reusing drive motors? I have a box of 30 or so to pick from.
October 21, 20169 yr Nice mess. The gouge looks deep enough it would soon cause the center to break out of the patter. You should let it go and see if it'll explode... Heh, unfortunately it's been totally disassembled, I salvaged the magnets and other fun parts. Anybody got any ideas for reusing drive motors? I have a box of 30 or so to pick from. Personally, I hang all my old drives with covers removed on the office wall as decoration (along with ancient CPU's / mobos
October 21, 20169 yr Squid, we need pics of your office, sounds awesome! Sent from my LG-H815 using Tapatalk
October 21, 20169 yr Squid, we need pics of your office, sounds awesome! Sent from my LG-H815 using Tapatalk Well, I ain't cleaning it for you....
October 21, 20169 yr Spoilsport.... Sent from my LG-H815 using Tapatalk It's my man cave, and pretty much the only area that I'm allowed (or at least tolerated) to be a bachelor....
October 21, 20169 yr Same in our house..... Although we share custody of the bookcase. The rest is all mine!!! Actually I got the garage too, I wanted the shed as well, but lost that to my wife as she's into gardening.... Sent from my LG-H815 using Tapatalk
October 21, 20169 yr I get my study; a large spare room for all my computer-junk; and part of the garage. Wife gets everything else -- shed; rest of the garage; the attic; and the rest of our house
October 21, 20169 yr Technically, I would also own the backyard, and have made sure that I ran power to the shed, stocked it with a beer fridge and a pair of stonehenge speakers (and wired ethernet too). (Did manage to get the mower in there too ) Garage unfortunately is mostly a gathering point for everything that I just never seem to find the time to find a home for.
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