sam, increase size to logical volume

From: yls177 (
Date: 10/08/03

Date: 7 Oct 2003 20:46:14 -0700

* Performing task "Extend the size of a logical volume.":
  Logical volume /dev/vg00/lvol5 is being extended.
  * Executing the following command:
  /sbin/lvextend -l 64 /dev/vg00/lvol5
  * Command completed with exit status 0.
    * Performing task "Resize JFS File System": Resizing /myfile. ^
  * Executing the following command:
  fsadm -F vxfs -b 524288 /myfile
  * Command completed with exit status 32.
  ERROR The command used to resize a VxFS file system has failed. The
  stderr output from the command is shown below.
  vxfs fsadm: attempt to resize /dev/vg00/rlvol5 failed with
  errno 28

what is wrong? thanks