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An Inode specifies which DiskClusters a file occupies as well as a few attributes such as creation and last-modification times. To that end it contains a list of direct, indirect, and doubly and triply indirect pointers. On some FileSystems, very small files can be stored directly in the Inode itself.

Sophisticated FileSystems create Inodes on demand, but with most, the number of Inodes on a partition has to be decided on during FileSystem creation. It is rare to run out of Inodes unless you have an unusual usage profile such as storing a news spool or Squid cache. To see how many Inodes are free, use df -i.

Check out the section under ipcop? for a tale of increasing the number of Inodes on an ipcop? box. IsomerMadeMeDoThis