mqueue.in and mqueue

[Scott Silva]

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Chris Conn wrote:
> Hello,
>
> I would like to get around this error:
>
> MailScanner[11532]: /var/spool/mqueue.in & /var/spool/mqueue
>  must be on the same filesystem/partition!
>
> I would like to run the mqueue.in partition in a tmpfs, in order to
> reduce IO slowdowns.
>
> Can someone educate me as to why the two must reside on the same
> partition or filesystem?  What is the reasoning behind this (I don't
> want to generalize it as a limitation, but in my case it certainly feels
> that way)?

I'm not an expert, but I think MailScanner in its infinite wisdom
doesn't actually move files between queues,
but hard links the file to the new queue and then removes the hardlink
from the old queue. I think it is to prevent loss of mail.


--
"If you have ever eaten crow,
It don't taste like chicken!!"

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