Re: mkfs and mount tips?

[Andi Kleen <andi@xxxxxxxxxxxxxx>]

"Leon Kolchinsky" <leonk@xxxxxxxxxxxxxxxxxxxxx> writes:
> 
> What about "osyncisdsync" mount option, can someone recommend this based on
> its own experience?

Not sync metadata on O_SYNC writes.

That's also dangerous -- might cause data corruption after crash. It is mostly
a hack if you know your programs very well, but can't change them
to use O_DSYNC when they only need that.

Also his other options basically all just use more memory. If you
have a P90 you're likely low on memory for modern standards and 
shouldn't use them.

-Andi