Checksum error checks fixes #215 #79

Job	Run time
run-scripts (centos:centos7, udt,myproxy,ssh)	37m 5s
run-scripts (centos:centos7, gram5)	37m 56s
run-scripts (rockylinux:8, udt,myproxy,ssh)	39m 44s
run-scripts (rockylinux:8, gram5)	45m 32s
run-scripts (quay.io/centos/centos:stream8, udt,myproxy,ssh)	36m 22s
run-scripts (quay.io/centos/centos:stream8, gram5)	42m 29s
run-scripts (quay.io/centos/centos:stream9, myproxy,ssh)	48m 31s
run-scripts (quay.io/centos/centos:stream9, gram5)	55m 31s
run-scripts (rockylinux:9, myproxy,ssh)	43m 57s
run-scripts (rockylinux:9, gram5)	48m 35s
	7h 15m 42s

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