I am installing Ubuntu 10.04 server on a KVM virtual machine. The server will be used to install Zimbra mail server, which installs under /opt/zimbra. As Zimbra is being used, it needs more storage. I decided to put /opt on a separate partition, so that I can resize that partition later on if needed.
I first did a test install with guided partition and ended up with a 254.8 MB for /boot and 1.5 GB for swap. So I think those are good numbers to use in my manual partition and I ended up with the following partition:
SCSI1 (0,0,0) (sda) - 34.4 GB ATA QEMU HARDDISK #1 primary 254.8 MB f ext2 /boot #5 logical 1.5 GB f swap swap #6 logical 8.0 GB f ext4 / #7 logical 24.6 GB f ext3 /opt
/opt is set to ext3, because Zimbra installation requires a ext3 file system. My question is if this partition works well with a mail server. If not, any suggestions or advice?