Paul Lemmons via Postfix-users:
> I am getting the following message in my syslog exactly every 30
> seconds. Everything is working but words like "Fatal" and "Input/output
> error" cause me an inordinate amount of angst.
>
> postfix/postqueue[<procid>]: fatal: output write error: Input/output error
A write(2) operation to the standard output stream failed,
and the last system error code was EIO (I/O error).
Postqueue will not complain about EPIPE (broken pipe) errors because
those are common when output is piped into a program. Postqueue output
is often piped into a program because the output can be long.
What was the output from postqueue being written to?
Wietse
> Searching logs I can find nothing that points to why this is
> happening. I found a post from 18 years ago where someone says
> that it could be ignored but that was 18 years ago and pretty much
> nothing on the topic since.
>
>
> If this is a known issue, fine. If not, what is the best way to determine
> what is causing it?
>
> Hardware is a ESXi 7.0 Ubuntu 22.04 Postfix 3.6.4
>
> All current as of the writing of this note.
>
>
>
> --
>
> Paul Lemmons
> Lead Systems Engineer ? Systems and Databases
> Tucson Medical Center Healthcare | Information Services
> Office:520-324-1034<tel:5203241034> (email preferred)
> Mobile: Upon Request
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