Getting 'Permission denied' errors while trying to rescan the SCSI bus

Solution Verified - Updated -

Issue

  • Getting 'Permission denied' errors while trying to rescan the SCSI bus

    [root@localhost ~]#  for host in $(ls /sys/class/fc_host/); do echo 1 > /sys/class/fc_host/$host/scan; done;
-bash: /sys/class/fc_host/host0/scan: Permission denied
-bash: /sys/class/fc_host/host7/scan: Permission denied
-bash: /sys/class/fc_host/host8/scan: Permission denied
-bash: /sys/class/fc_host/host9/scan: Permission denied

[root@localhost ~]# for host in $(ls /sys/class/fc_host/); do echo "- - -" > /sys/class/fc_host/$host/scan; done;
-bash: /sys/class/fc_host/host0/scan: Permission denied
-bash: /sys/class/fc_host/host7/scan: Permission denied
-bash: /sys/class/fc_host/host8/scan: Permission denied
-bash: /sys/class/fc_host/host9/scan: Permission denied

Environment

  • Red Hat Enterprise Linux 7

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