jfsutils binary package in Ubuntu Bionic i386

 Utilities for managing IBM's Journaled File System (JFS) under Linux.
 .
 IBM's journaled file system technology, currently used in IBM
 enterprise servers, is designed for high-throughput server
 environments, key to running intranet and other high-performance
 e-business file servers.
 .
 The following utilities are available:
  * fsck.jfs - initiate replay of the JFS transaction log, and check and
    repair a JFS formatted device.
  * logdump - dump a JFS formatted device's journal log.
  * logredo - "replay" a JFS formatted device's journal log.
  * mkfs.jfs - create a JFS formatted partition.
  * xchkdmp - dump the contents of a JFS fsck log file created with
    xchklog.
  * xchklog - extract a log from the JFS fsck workspace into a file.
  * xpeek - shell-type JFS file system editor.

Source package