- Installation Guide
- Configuring Storage for Oracle Grid Infrastructure for a Standalone Server
- Configuring Disk Devices for Oracle ASM on HP-UX Itanium
Configuring Disk Devices for Oracle ASM on HP-UX Itanium
Complete these tasks to configure disk devices for use with Oracle Automatic Storage Management (Oracle ASM).
- If necessary, install the disks that you intend to use for the disk group and restart the system.
- Ensure the disks are available:This command displays information about each disk attached to the system, including the block device name (
/dev/dsk/cxtydz
).# /usr/sbin/ioscan -fun -C disk
The output from this command is similar to the following:
Class I H/W Path Driver S/W State H/W Type Description ========================================================================== disk 0 0/0/1/0.6.0 sdisk CLAIMED DEVICE HP DVD 6x/32x /dev/dsk/c0t6d0 /dev/rdsk/c0t6d0 disk 1 0/0/1/1.2.0 sdisk CLAIMED DEVICE SEAGATE ST39103LC /dev/dsk/c1t2d0 /dev/rdsk/c1t2d0
On HP-UX 11i v.3, you can also use agile view to review mass storage devices, including block devices (
/dev/disk/diskxyz
), or character raw devices (/dev/rdisk/diskxyz
). For example:#>ioscan -funN -C disk Class I H/W Path Driver S/W State H/W Type Desc =================================================================== disk 4 64000/0xfa00/0x1 esdisk CLAIMED DEVICE HP73.4GST373454LC /dev/disk/disk4 /dev/rdisk/disk4 disk 907 64000/0xfa00/0x2f esdisk CLAIMED DEVICE COMPAQ MSA1000 VOLUME /dev/disk/disk907 /dev/rdisk/disk907
- If the
ioscan
command does not display the device name information for a device that you want to use, then enter the following command to install the special device files for any new devices:# /usr/sbin/insf -e
- For each disk that you want to add to a disk group, verify that it is not already part of an LVM volume group:
# /sbin/pvdisplay /dev/dsk/cxtydz
If this command displays volume group information, then the disk is already part of a volume group. The disks that you choose must not be part of an LVM volume group.Note:
If you are using different volume management software, for example VERITAS Volume Manager, then refer to the appropriate documentation for information about verifying that a disk is not in use. - Change the owner, group, and permissions on the character file for each disk that you want to add to a disk group:
# chown oracle:dba /dev/rdsk/cxtydz # chmod 660 /dev/rdsk/cxtydz
For DSF (agile view) paths, enter a command using paths similar to the following:
# chmod 660 /dev/rdisk/diskxyz
Note:
If you are using a multi-pathing disk driver with Oracle Automatic Storage Management, then ensure that you set the permissions only on the correct logical device name for the disk.