Command rescan-scsi-bus.sh -r crashes server
Environment
- Red Hat Enterprise Linux 7
- sg3_utils-1.37-5
Issue
- When I want to remove an old LUN server crashes when running the command :
/usr/bin/rescan-scsi-bus.sh --remove
Resolution
This issue has been resolved via Errata RHBA-2018:3181
Root Cause
There is a known bug from version 1.37-5 until version 1.37-14
The issue is caused by a revision change of a existing SCSI-disk. This also affects disks which may be presented by a storage-system which gets a firmware upgrade.
Diagnostic Steps
-
After the server has been rebooted because unresponsive , in
/var/log/messages
there are these entries:kernel: sd 2:0:1:0: Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatical VxVM vxdmp V-5-0-0 [Info] removed disk array 000292601832, datype = vxvm_handle_diskoffline_event: Could not find udid for 201/336'
-
Use
yum list sg3_utils
to check the version of the sg3_utils package
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