good, but error message

Would be a nice check for checking all pools and not only one special, but I get an filehandle error if I call script on a SunOS machine

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root@SERVER # uname -a
SunOS SERVER 5.10 Generic_147441-09 i86pc i386 i86pc

root@SERVER # ./checkvolmanager-v1.5
readline() on unopened filehandle at ./checkvolmanager-v1.5 line 159.
ZFS Status is OK – SVM Status is OK – VxVM not configured on this system (vxdg command not found)