redhat-list Digest, Vol 142, Issue 1

[A. Ravi Kumar]

Not a problem you can use.

https://arkit.co.in/linux-learners-guide-book-written-by-ankam-ravi-kumar/

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1. udev rule on VM (Yong Huang)
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Message: 1
Date: Tue, 13 Sep 2016 20:21:29 +0000 (UTC)
Subject: udev rule on VM
Content-Type: text/plain; charset=UTF-8
On RHEL 6 or 7, in a guest OS in the VMWare environment, not using
multipaths, is there a danger to specify the udev rule as follows?
KERNEL=="sdb1", OWNER="oracle", GROUP="dba",...
KERNEL=="sd?1", SUBSYSTEM=="block", PROGRAM=="/usr/lib/udev/scsi_id -g -u
-d /dev/$parent", RESULT=="<UUID returned by scsi_id>", OWNER="oracle",
GROUP="dba",...
VM may be relevant here. You have to set disk.enableUUID=true in vSphere
to get the UUID.
The concern is that the label sdb for this specific disk may change under
certain conditions, maybe after inserting a new hard disk which happens to
be scanned earlier than this one on next reboot. I think that would be true
if this was not a VM. How about on a VM? Thanks.
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End of redhat-list Digest, Vol 142, Issue 1
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