The jfs0622 file contains the latest JFS.IFS/JFS.SYM , UJFS.DLL/UJFS.SYM, CLRBBLKS.EXE/CLRBBLKS.SYM,JFSCHK32.EXE, the JFS.TDF and the TRC012F.TFF file. . Please unzip this file in the root directory after you have made a backup of the following files. . \OS2\JFS.IFS \OS2\JFS.SYM ( IF PRESENT ) \OS2\DLL\UJFS.DLL \OS2\DLL\UJFS.SYM ( IF PRESENT ) \OS2\CLRBBLKS.EXE \OS2\CLRBBLKS.SYM ( IF PRESENT ) \OS2\JFSCHK32.EXE \OS2\SYSTEM\TRACE\JFS.TDF \OS2\SYSTEM\TRACE\TRC012F.TFF . Reboot the machine. . ################################################################################## Fixes on top of jfs0508 . In JFS.IFS . Stress test of JFS leads to hang. JFS disk block allocation scheme causes extreme fragmentation ( of free space ) Huge xcopy to JFS volume leads to Trap 3 . Fixes in UJFS.DLL / Clrbblks . Chkdsk quits with fatal error message towards the end. Clrbblks fails as volume is force mounted. . ########################### Previous Readme #################################### The modules contain some important fixes added on top of jfs0328 . Fixes in JFS.IFS . Xcopy hang when transferring more than 45GB of data. Xcopy hang when booted from floppy / cdrom. . Some fixes that have gone into UJFS.DLL and CLRBBLKS.EXE . Trap during chkdsk if running dir on the same drive from client.