Patch Name: PHKL_28512 Patch Description: s700_800 11.11 Fix for POSIX_AIO in JFS3.3 Creation Date: 03/01/27 Post Date: 03/02/24 Hardware Platforms - OS Releases: s700: 11.11 s800: 11.11 Products: N/A Filesets: OS-Core.CORE-KRN,fr=B.11.11,fa=HP-UX_B.11.11_32/64,v=HP ProgSupport.C-INC,fr=B.11.11,fa=HP-UX_B.11.11_32/64,v=HP OS-Core.CORE2-KRN,fr=B.11.11,fa=HP-UX_B.11.11_32,v=HP OS-Core.CORE2-KRN,fr=B.11.11,fa=HP-UX_B.11.11_64,v=HP Automatic Reboot?: Yes Status: General Release Critical: No Category Tags: defect_repair general_release Path Name: /hp-ux_patches/s700_800/11.X/PHKL_28512 Symptoms: PHKL_28512: ( SR:8606271490 CR:JAGae35697 ) Posix Asynchronous I/O in JFS 3.3 uses Direct I/O in place of Buffered I/O. Applications that rely on data buffering may suffer performance degradation. Defect Description: PHKL_28512: ( SR:8606271490 CR:JAGae35697 ) The internal flag indicating Posix AIO is in conflict with the Direct I/O flag. Resolution: Changed the Posix AIO flag to a unique value. Enhancement: No SR: 8606271490 Patch Files: OS-Core.CORE-KRN,fr=B.11.11,fa=HP-UX_B.11.11_32/64,v=HP: /usr/conf/sys/file.h ProgSupport.C-INC,fr=B.11.11,fa=HP-UX_B.11.11_32/64,v=HP: /usr/include/sys/file.h OS-Core.CORE2-KRN,fr=B.11.11,fa=HP-UX_B.11.11_32,v=HP: /usr/conf/lib/libfs.a(sys_gen.o) /usr/conf/lib/libfs.a(vfs_io.o) OS-Core.CORE2-KRN,fr=B.11.11,fa=HP-UX_B.11.11_64,v=HP: /usr/conf/lib/libfs.a(sys_gen.o) /usr/conf/lib/libfs.a(vfs_io.o) what(1) Output: OS-Core.CORE-KRN,fr=B.11.11,fa=HP-UX_B.11.11_32/64,v=HP: /usr/conf/sys/file.h: file.h $Date: 2003/01/21 05:23:33 $Revision: r11.11/ 2 PATCH_11.11 (PHKL_28512) */ ProgSupport.C-INC,fr=B.11.11,fa=HP-UX_B.11.11_32/64,v=HP: /usr/include/sys/file.h: file.h $Date: 2003/01/21 05:23:33 $Revision: r11.11/ 2 PATCH_11.11 (PHKL_28512) */ OS-Core.CORE2-KRN,fr=B.11.11,fa=HP-UX_B.11.11_32,v=HP: /usr/conf/lib/libfs.a(sys_gen.o): sys_gen.c $Date: 2003/01/21 05:15:48 $Revision: r11. 11/1 PATCH_11.11 (PHKL_28512) /usr/conf/lib/libfs.a(vfs_io.o): vfs_io.c $Date: 2003/01/21 05:16:37 $Revision: r11.1 1/1 PATCH_11.11 (PHKL_28512) OS-Core.CORE2-KRN,fr=B.11.11,fa=HP-UX_B.11.11_64,v=HP: /usr/conf/lib/libfs.a(sys_gen.o): sys_gen.c $Date: 2003/01/21 05:15:48 $Revision: r11. 11/1 PATCH_11.11 (PHKL_28512) /usr/conf/lib/libfs.a(vfs_io.o): vfs_io.c $Date: 2003/01/21 05:16:37 $Revision: r11.1 1/1 PATCH_11.11 (PHKL_28512) cksum(1) Output: OS-Core.CORE-KRN,fr=B.11.11,fa=HP-UX_B.11.11_32/64,v=HP: 3295863802 7600 /usr/conf/sys/file.h ProgSupport.C-INC,fr=B.11.11,fa=HP-UX_B.11.11_32/64,v=HP: 3295863802 7600 /usr/include/sys/file.h OS-Core.CORE2-KRN,fr=B.11.11,fa=HP-UX_B.11.11_32,v=HP: 1758784235 7036 /usr/conf/lib/libfs.a(sys_gen.o) 2185807687 6436 /usr/conf/lib/libfs.a(vfs_io.o) OS-Core.CORE2-KRN,fr=B.11.11,fa=HP-UX_B.11.11_64,v=HP: 1925257835 15400 /usr/conf/lib/libfs.a(sys_gen.o) 3824779889 14688 /usr/conf/lib/libfs.a(vfs_io.o) Patch Conflicts: None Patch Dependencies: None Hardware Dependencies: None Other Dependencies: None Supersedes: None Equivalent Patches: PHKL_27813: s700: 11.00 s800: 11.00 Patch Package Size: 90 KBytes Installation Instructions: Please review all instructions and the Hewlett-Packard SupportLine User Guide or your Hewlett-Packard support terms and conditions for precautions, scope of license, restrictions, and, limitation of liability and warranties, before installing this patch. ------------------------------------------------------------ 1. Back up your system before installing a patch. 2. Login as root. 3. Copy the patch to the /tmp directory. 4. Move to the /tmp directory and unshar the patch: cd /tmp sh PHKL_28512 5. Run swinstall to install the patch: swinstall -x autoreboot=true -x patch_match_target=true \ -s /tmp/PHKL_28512.depot By default swinstall will archive the original software in /var/adm/sw/save/PHKL_28512. If you do not wish to retain a copy of the original software, include the patch_save_files option in the swinstall command above: -x patch_save_files=false WARNING: If patch_save_files is false when a patch is installed, the patch cannot be deinstalled. Please be careful when using this feature. For future reference, the contents of the PHKL_28512.text file is available in the product readme: swlist -l product -a readme -d @ /tmp/PHKL_28512.depot To put this patch on a magnetic tape and install from the tape drive, use the command: dd if=/tmp/PHKL_28512.depot of=/dev/rmt/0m bs=2k Special Installation Instructions: None