K.C. BuddNov 7
I'm "still run sync 3 times before removing an unmounted drive" years old.
Show threadroseDec 2
My dad taught me to run sync, every time I want to unmount something
why do it three times though? I was always told just once is fine
Show threadK.C. BuddDec 2

@rose paranoia, mostly. "sync" typically blocks on the cache writes being complete. So the second one is to verify that the first one completed, which is indicated by it returning immediately.

The third one is basically saying "AND STAY DOWN" to the OS. 😆

Show threadrose
Okay yeah that makes sense, i thought there was some historic thing about old storage types lol
Dec 2 at 8:09pmWeb
Show threadFran GarcíaDec 2
@rose @phreakmonkey I believe this comes from the PDP11 timeframe. See screenshot: