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RHEL6: udev and ASM

user12175624Dec 6 2012 — edited Dec 6 2012
Hi,

As I found out, Oracle does not provide the RPM for asmlib any more for RHEL6.

The alternative is udev: you have to write some rules to get persistent names for your devices, i.e.:

KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name",RESULT=="3600c0ff000112a6d0b0ebf5001000000",NAME+="oracleasm/disks/OCR1", OWNER="grid" GROUP="asmadmin" MODE="0660"

After the first tests I have some questions:

* using udev rules with the "NAME+=" option, the device is renamed. For example, /dev/sdc is not available any more if there is a rule that applies for this device. A bit strange, because in /proc/partition it is still listed. Is there a way to have both? The original device (/dev/sdc) and the "newly created" device (for example /dev/oracleasm/disks/OCR1)? I know that you can use SYMLINK but is this supported/recommended?

* is it recommended to use partitions here? If so, udev does not seem to map / rename partitions but devices only...

Any feedback is appreciated,

Werner

Comments

798906
I think by default jdb will use the hostname of the local machine to determine an ip address rather than localhost or 127.0.0.1. In your case this is ECIL01 so you probably just need to add that hostname to your hosts file. But also make sure that your firewall is not blocking it.
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Locked on Jan 3 2013
Added on Dec 6 2012
#generic-linux, #linux
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