Re: s390x builder outage

* Stephen J. Smoogen:

> The issue has always been that the power and s390x have been spread
> thin. For the longest time the servers were loaners from IBM and when
> ones were purchased they were usually the bottom of the line because
> the cost difference cut into how many x86 systems were available. (It
> was something like 4:1) The s390x is spread between multiple Red Hat
> teams and if testing or other IO intensive work is going on our usage
> would be highly impacted.

I think the mainframes are connected to a SAN.  The I/O stall issue
seems to predominantly impact certain POWER machines that were ordered
with 7,200 RPM SATA disks long after SSDs had become common pretty much
everywhere else.

Anyway, I remember a time when builds tend to fail on s390x first
because it was the fastest architecture to install the build
dependencies and begin building.  So s390x wasn't always the slowest
architecture, at least in one possible sense.

Thanks,
Florian

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