device-mapper-multipath/tests/medium_error_scsi_debug/PURPOSE
Benjamin Marzinski 3140cfbb24 device-mapper-multipath-0.8.4-5
Update CI tests to match RHEL
  * This commit also pulls in changes from Lin Li <lilin@redhat.com>
    and Bruno Goncalves <bgoncalv@redhat.com>
2020-07-21 19:45:41 -05:00

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multipath: Test that some fatal errors which should not be retried, for example a medium error, correctly generate an I/O error and do not get infinitely retried.
steps:
1.# modprobe scsi_debug num_tgts=1 vpd_use_hostno=0 add_host=2 delay=20 max_luns=2 no_lun_0=1 opts=2
2.# multipath -ll | grep -C 5 scsi_debug
3.# dd if=/dev/zero of=/dev/mapper/$mpathdev bs=1024 seek=2330 count=10
4. check if an I/O error generated