Database Reference
In-Depth Information
Table 5-1.
(
continued
)
Mount Point
Size
File System recommendation
swap
See below
The swap partition will be covered in detail in the section
“Considerations for swap space” below. Although not a requirement
it is strongly recommended to create a swap partition.
/
Minimum 5GiB, better more
The smallest, documented, possible root partition of only
3GiB does not allow the installation of all packages required
for an Oracle database installation. If possible, opt for 8GiB or
more. This allows for staging Oracle installation media and a
sufficiently large
/tmp
directory.
If you would like to use storage replication later you should not
install the Oracle binaries on local disk. You should definitely not
install them in the / file system. Core dumps can quickly lead to a
filled-up root partition resulting in serious trouble for Linux.
In-line with the advice not to present storage not necessary for
the base OS installation the Oracle LUNs are not presented yet.
Others
For many other open-source software additional mount points
are suggested, such as
/tmp
,
/home
, and others. For an Oracle
database server these are usually not needed.
It is strongly recommended not to install the operating system on a single hard disk. Whenever possible make
use of a hardware RAID adapter inside the server. Otherwise the failure of a single disk will result in an outage of
the server which can easily be prevented. If your server does not use a built-in RAID adapter for the internal disks
you have the option to create a software RAID configuration. An example for a software-RAID is shown in Figure
5-4
below. Matching sized partitions are created on the internal disks and mirrored to form RAID 1 pairs. Of course,
you have other software RAID levels as well but RAID 1 seems most practical.
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