[Info-vax] Are errors on PEA0: dangerous?
Joukj
joukj at hrem.nano.tudelft.nl
Fri Jan 18 06:31:26 EST 2013
Phillip Helbig---undress to reply wrote:
> As I recently mentioned here, after using LANCP to move from 10 Mb/s HD
> to 100 Mb/s FD on two PWS in my cluster, the slowly rising (few errors
> per day) error count on PEA0: (and the somewhat lower number on the SCSI
> disks) on an XP1000 in the cluster, which has always had 100 Mb/s and
> FD, stopped rising, completely. However, since then PEA0: on the two
> PWS have been rising slowly as well (perhaps a bit more quickly than on
> the XP1000).
>
> How dangerous are errors on PEA0:?
no idea, but on my AXP-cluster (1 bootmember & 5 satelites) I see a few
of those errors per day over the last 15 years. The cluster seems to run
normally. I have no idea if this causes a performance penalty (I have
nothing to to make a comparison)
>
> Any idea what causes this?
What I see is that the nodes with the most network traffic get the most
errors.
Probably some "reoverable" communication errors were trapped.
ANAL/ERR never gave me more "insight"
Jouk
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