Filesystem Optimization

[Matt Graham]

On 2020-02-11 20:36, Nathan (PLUGAZ) wrote:
> On 2020-02-11 19:43, Matt Graham wrote:
[putting this back on the PLUG list]
>> I did "mount /mnt/testrsync -o remount,barrier=0" and immediately
>> after that, that LV showed up in the output from mount with
>> "nobarrier" in it.
> Just for fun, I tried exactly that, mount -o remount,barrier=0
> /remote and it says
> mount.nfs4: an incorrect mount option was specified

"nobarrier" is a valid option for *ext34* filesystems.  You have to 
execute the remount command on the machine that's *serving* this 
filesystem over NFS, not the machine that's *mounting* the filesystem 
over NFS.  Once that's done, file creation over NFS should be a heck of 
a lot faster.

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