File system

My server has two hard disks, i have created file systems in both disks, but on startup the server do not show the file system on the second hard disk, why?

It is probably not in the /etc/vfstab /etc/fstab

Ok. but the file must be manually corrected o it must be automatic?, how i can solve my problem: that each file system on the second disk appear and are ready to work. Thanks x any help

If what I think you're saying is correct, all you need to do is manually edit /etc/fstab and add /dev/hdb or sdb and so on entries for the filesystems on the second disc. All disc-based filesystems that aren't explicitly set to 'noauto' in fstab should be automatically mounted at boot time.