I have an old Synology DS1010+ that I bought used, no idea how much it
has been used before. The fans were starting to make noise and I was
getting complaints of a system fan failing (then the next minute, the
fault clears.) This happens once a day.

I took the unit apart, gave it a good cleaning, and lubricated the fans. Surprisingly, all is well, nothing broke, and no screws left over.

The only problem now is a drive that makes a high-pitched warble - loud
enough to hear in my office. I could play it safe and put the NAS inside
my armoire to quiet it down, or take the drives out of the array
one-by-one to see which one's the offending drive.

I have 5 2TB drives of various vintages and brands - one Western Digital
Red, a couple of seagates, and 2 white-label drives. Surprising that it
works at all.

If you don't hear from me for a while, I took the left-hand path and am rebuilding my array from scratch.



... The inconsistency principle
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