So, I've had a home server for over 10 years, and over the years what used to be six 1TB and four 2TB drives have steadily failed until I now have only three of each, but I have of course added newer, larger drives that now store the bulk of my data.
The older, smaller drives of course use more watts/TB and take up SATA slots, but small drives still have their niche uses. I decided some months ago to take the remaining three 2TB drives, which had been used for long-term storage of "stuff I want to keep" and repurpose them for SageTV DVR storage -- using two of the drives in parallel for redundancy, and pulling the third drive out of the server to keep in reserve as a spare, so that I can expect to have a redundant 2TB DVR system for years to come.
But since the reshuffle, one of the 2TB drives has steadily reported bad sectors in Stablebit Scanner. It probably had less than a dozen bad sectors when I switched it from archive duty to DVR, but now it has over 100 -- I eventually started logging the trend:
Date #BS
2016-10-25 32
2016-10-29 37
2016-11-01 40
2016-11-03 43
2016-11-06 45
2016-11-08 47
2016-11-09 48
2016-11-14 57
2016-11-17 69
2016-11-20 72
2016-11-21 80
2016-11-24 84
2016-11-25 98
2016-11-28 101
2016-11-30 114
So, it is typically about 1 new bad sector per day, but occasionally there are bigger jumps.
The other 2TB drive has 58 bad sectors, but it already had around 55 when I switched it over to being a DVR drive. At first I thought the other drive was just "catching up", but now it has blown past its brother and has twice the bad sectors.
I'm wondering what the significance really is of this trend in bad sectors, and if anyone wants to speculate on what the underlying cause is?
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Nerva
So, I've had a home server for over 10 years, and over the years what used to be six 1TB and four 2TB drives have steadily failed until I now have only three of each, but I have of course added newer, larger drives that now store the bulk of my data.
The older, smaller drives of course use more watts/TB and take up SATA slots, but small drives still have their niche uses. I decided some months ago to take the remaining three 2TB drives, which had been used for long-term storage of "stuff I want to keep" and repurpose them for SageTV DVR storage -- using two of the drives in parallel for redundancy, and pulling the third drive out of the server to keep in reserve as a spare, so that I can expect to have a redundant 2TB DVR system for years to come.
But since the reshuffle, one of the 2TB drives has steadily reported bad sectors in Stablebit Scanner. It probably had less than a dozen bad sectors when I switched it from archive duty to DVR, but now it has over 100 -- I eventually started logging the trend:
Date #BS
2016-10-25 32
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