Say voting disks are oracle:dba and 660 How are your permissions changing? to root:root? Thanks -- LSC On Wed, Jul 30, 2008 at 2:01 PM, Syed Jaffar Hussain < sjaffarhussain@xxxxxxxxx> wrote: > I would say, its not the RAW disks permission which is changing, rather it > is the ownership permission changing on the RAW disks. > > > On Wed, Jul 30, 2008 at 1:15 PM, LS Cheng <exriscer@xxxxxxxxx> wrote: > >> Hi >> >> In Linux you either put chmod and chown in rc.local to set raw devices >> permissions or use udev. >> >> In HP-UX I have not seen this issue, the permissions are persistent even >> after reboot for Raw Devices. >> >> In HP-UX 11.31 this can happen if the devices are created with mksf >> instead of mknod, whenever you add new devices with insf -e this will reset >> permissions >> >> >> Thanks >> >> -- >> LSC >> >> >> >> >> On Wed, Jul 30, 2008 at 10:43 AM, Syed Jaffar Hussain < >> sjaffarhussain@xxxxxxxxx> wrote: >> >>> Hi list, >>> >>> >>> We currently have a 4 node Oracle RAC on HP UX Superdom Itanimum II with >>> EMC SAN (Symatrix DMX4) storage. Since few days, we are facing an abnormal >>> situation where the RAW disks permissions (includes OCR, Voting and ASM >>> disks) are getting changed dynamically and sometime during the node reboot >>> too, which cause Cluster hung situation. Our current workaround is to reset >>> the permissions to RAW disks. >>> >>> If I am not wrong, this sort of problem exists on Linux reboot and to >>> prevent this, we need to set a parameter which keeps the existing parameter >>> alive. I am not sure this is the same case on HP. Does anyone out there has >>> faced similar kind of issue? or it is very abnormal situation? >>> >>> We did open a call with HP support and they said, basically, OS doesn't >>> have any control on the RAW devices and definately it won't change the >>> permission either dynamically or during the reboot time and they suspect >>> Oracle might be doing something to change the permission. >>> >>> I have opened a TAR with Oracle too and waiting for the reply. Appreciate >>> if someone can put some limelight on this issue. >>> >>> -- >>> Best Regards, >>> >>> Syed Jaffar Hussain >>> Oracle ACE >>> 8i,9i & 10g OCP DBA >>> RAC Certified Expert >>> >>> Official Oracle RAC SIG Representative for Saudi Arabian region ( >>> http://www.oracleracsig.org/) >>> http://jaffardba.blogspot.com/ >>> >>> http://apex.oracle.com/pls/otn/f?p=19297:4:1579866181463918::NO:4:P4_ID:126 >>> >>> ---------------------------------------------------------------------------------- >>> "Winners don't do different things. They do things differently." >>> >>> >>> >>> -- >>> Best Regards, >>> >>> Syed Jaffar Hussain >>> Oracle ACE >>> 8i,9i & 10g OCP DBA >>> RAC Certified Expert >>> >>> Official Oracle RAC SIG Representative for Saudi Arabian region ( >>> http://www.oracleracsig.org/) >>> http://jaffardba.blogspot.com/ >>> >>> http://apex.oracle.com/pls/otn/f?p=19297:4:1579866181463918::NO:4:P4_ID:126 >>> >>> ---------------------------------------------------------------------------------- >>> "Winners don't do different things. They do things differently." >>> >> >> > > > -- > Best Regards, > > Syed Jaffar Hussain > Oracle ACE > 8i,9i & 10g OCP DBA > RAC Certified Expert > > Official Oracle RAC SIG Representative for Saudi Arabian region ( > http://www.oracleracsig.org/) > http://jaffardba.blogspot.com/ > http://apex.oracle.com/pls/otn/f?p=19297:4:1579866181463918::NO:4:P4_ID:126 > > ---------------------------------------------------------------------------------- > "Winners don't do different things. They do things differently." >