Keep the following disk space considerations in mind before you begin downloading or spooling patches:
The default download directory for signed patches is /var/sadm/spool. Unsigned patches that are spooled are also stored in /var/sadm/spool.
The patch download process might use more disk space than anticipated because multiple patches can be downloaded, if prerequisite patches are required by the patch that you downloaded.
Signed patches are unpacked in the /var/sadm/spool directory before they are installed. Be sure you have enough disk space in the /var directory for this process.
If your /var directory is not large enough to support the downloading and unpacking of signed patches, you can use the smpatch command with the -d option to specify an alternate patch download directory.
You can safely remove the patches from the /var/sadm/spool directory after they are successfully downloaded and added to your system to reclaim disk space in the /var directory.