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-All filesystems? ===> NO
-The root filesystem? ===>NO
-A different filesystem?===> YES
-How do you know your filesystem(s) is/are read-only?===> when i attempt to open Oracle database i get error that the file system where the alert log is read-only and the database is not open
-How far does the boot process go - single user? multi-user? ===> multi user
- What's the output of the mount command (no parameters - just type mount).===> mount show that all partitions are rw (but don't forget that i rebooted the server and i haven't' yet the read-only disk).
- What's the output of the mount command (no parameters - just type mount).===> mount show that all partitions are rw (but don't forget that i rebooted the server and i haven't' yet the read-only disk).
You haven't yet the read-only disk? Perhaps this is the problem - it might not be mounted at all, which causes Oracle's error message.
A few suggestions what you can do, easy actions first:
Give us the complete and precise error message. Perhaps you are interpreting it wrongly.
Is the filesystem mounted? If not, mount it.
Check if it's mounted rw and if the error still occurs
As root, try to create a file on that filesystem. If this works, the filesystem is not read-only.
Are you running Red Hat or a Red Hat clone? Perhaps the problem is related to SELinux. To check, set SELinux from enforcing to permissive and try again. The command to do that is setenforce.
Check permissions of the Oracle alert log
Can you configure Oracle to produce more verbose error messages? If yes, do it and tell us what Oracle says.
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