VERITAS Storage Foundation 4.1 Oracle Administrator's Guide

Chapter 3, Using VERITAS Quick I/O
Prerelease 8 September 2005, 8:54am Disabling Quick I/O
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Disabling Quick I/O
If you need to disable the Quick I/O feature, you first need to convert any Quick I/O files back to
regular VxFS files. Then, remount the VxFS file system using a special mount option.
Prerequisites
◆ The file system you are planning to remount must be located in the /etc/filesystems
file.
▼ To disable Quick I/O
1. If the database is running, shut it down.
2. To change Quick I/O files back to regular VxFS files, run the following command from the
writable directory where the mkqio.dat list resides:
$ /opt/VRTSdbed/bin/qio_convertdbfiles -u
The list of Quick I/O files in the mkqio.dat file is displayed. For example:
.file1::cdev:vxfs: --> file1
.file2::cdev:vxfs: --> file2
.file3::cdev:vxfs: --> file3
.file4::cdev:vxfs: --> file4
.file5::cdev:vxfs: --> file5
The qio_convertdbfiles command with the undo option (-u) renames the files from
.filename to filename and removes the symbolic link to .filename that was created
along with the Quick I/O files.
3. To remount the file system with Quick I/O disabled, use the mount -o noqio command as
follows:
# /opt/VRTS/bin/mount -F vxfs -o remount,noqio /mount_point