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In RHEV environment, if you stop the SF service and then start it by installer, the permission on dmpnode will get lost (3870111)

If you stop the SF service and then start it again by installer, the permission on dmpnode will get lost.

For example:

You check the permission on dmpnode at first:

# ls -l /dev/vx/dmp/huawei-hvs88t0_0

brwxrwxrwx 1 vdsm kvm 201, 1728 Jan 22 02:08 /dev/vx/dmp/huawei-hvs88t0_0

You stop the SF service by installer:

# /opt/VRTS/install/installer -stop

You check the permission on dmpnode:

# ls -l /dev/vx/dmp/huawei-hvs88t0_0

brwxrwxrwx 1 vdsm kvm 201, 1728 Jan 22 02:08 /dev/vx/dmp/huawei-hvs88t0_0

You start the SF service by installer:

# /opt/VRTS/install/installer -start

When you check the permission on dmpnode, the user/group/permission gets lost:

# ls -l /dev/vx/dmp/huawei-hvs88t0_0

brw------- 1 root root 201, 1712 Jan 22 02:29 /dev/vx/dmp/huawei-hvs88t0_0

Workaround:

You can restore the permission through chmod.

In RHEV environment, if you stop the SF service and then start it by installer, the permission on dmpnode will get lost (3870111)

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