I vaguely recall that SYSMAP only causes problems if you use one of the options/modes (VERIFY?) that causes it to reset and re-scan the SCSI bus (or whatever the equivalent is for other systems).
Also, if you're on an older version of MPE, the ISL> utility is IOMAP (I think).
> -----Original Message-----
>
> Warning: If you run SYSMAP on a system with mirrored disc's there's a
> strong possibility you will break the mirror on at least 1,
> possible more,
> mirrored discs. (personal experience)
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