Category Archives: HP-UX Patches

HP-UX: VxFS data integrity concern with write (2) system call

12/05/2011 – 10:32

This is from a recent HP-UX Customer Bulletin, Document ID: c02678348: The HP systems that use any version of VxFS file-system on HP-UX 11iv1, HP-UX 11iv2 and HP-UX 11iv3 operating systems and perform O_SYNC/O_DSYNC write I/O of any size that involves changes to a file size are impacted. This issue may be seen only if [...]

By Viktor Balogh | Tagged , , , , , , , , , | Comments (2)

Cluster-wide device special files

15/04/2011 – 15:28

This is a new feature in ServiceGuard 11.20, and you need the following patches to have cdsf on your system: PHSS_41225 – Serviceguard A.11.20.00 patch PHCO_41235 – iocdsfd(1M) and io_cdsf_config(1M) patch Cluster-wide device special files (cDSFs) are persistent device special files applied across a set of nodes. That is, they ensure that the same piece [...]

By Viktor Balogh | Also posted in HP-UX Serviceguard | Tagged , , , , | Comments (2)

Getting the PDC firmware version

28/02/2011 – 15:13

Here is a quick oneliner method for querying the Support Tools Manager: # echo “selclass qualifier cpu;info;wait;infolog”|cstm|grep “PDC Firmware” PDC Firmware Revision:     45.11        IODC Revision:            0 PDC Firmware Revision:     45.11        IODC Revision:            0 PDC Firmware Revision:     45.11        IODC Revision:            0 PDC Firmware Revision:     45.11        IODC Revision:            0 PDC Firmware Revision:     45.11        IODC Revision:            0 PDC [...]

By Viktor Balogh | Also posted in Hardware, Servers | Tagged , , | Comments (0)

vgmodify on 11i v2? It’s possible!

24/02/2011 – 13:58

From 11i v3 onwards, there is a command called vgmodify by which you can change the max PE per PV value for a volume group. Later it also appeared in 11.23, for this to work you need at least these patches: PHCO_36744 PHKL_31500 PHKL_32095 It is said that there is also an unofficial version of [...]

By Viktor Balogh | Also posted in LVM and VxVM | Tagged , , , , , | Comments (0)

Bug in userdel found – affects all 11i v1,v2,v3

29/06/2010 – 16:57

This is my first bug I’ve found in HP-UX. In the following story I modified some data to protect our customers privacy. According to the white book of our customer, a user integrated into a HA package need to be created with a symlinked home directory like this: # ll -d /home/user1 lrwxr-xr-x 1 root [...]

By Viktor Balogh | Also posted in HP-UX system administration | Tagged , , , | Comments (0)