topic Re: Predictive Failure Analysis for disk in Operating System - HP-UX

Predictive Failure Analysis for disk

S. Singaravelu — Tue, 28 Sep 2004 03:45:55 GMT

HP Gurus,

Anybody have any idea whether hp-ux (10.x and 11.x) supports any kind of Predictive Failure Analysis (PFA) for disks ?

In Solaris (6 onwards), "iostat -E" command provides this facility. This allows one to prepare for any kind disk failure in near future. I am not sure about the logic build up behind this feature. IF anyone aware of this, let us share that too !!

thx
-velu

Re: Predictive Failure Analysis for disk

Eric Antunes — Tue, 28 Sep 2004 04:02:48 GMT

Hi velu,

On HP-UX you have EMS to tell you when you are going to have problems with some disk. You can configure it with:

/etc/opt/resmon/lbin/monconfig

Best Regards,

Eric Antunes

Re: Predictive Failure Analysis for disk

Steve Steel — Tue, 28 Sep 2004 04:09:30 GMT

Hi

There is a full set of doagnostic monitors available on HP-UX

Specific information regarding STM, ODE or the EMS Hardware Monitors, including release notes, white papers and related reference materials, can be obtained at:

http://docs.hp.com/hpux/diag/

Also ISEE could be a big help

http://software.hp.com/portal/swdepot/displayProductsList.do?groupName=Instant+Support+Enterprise+Edition+%28ISEE%29

Overview
HP Instant Support Enterprise Edition (ISEE) simplifies management of highly diverse IT environments by providing a single remote support solution for multiple operating systems and technologies, improving your system uptime and reducing the cost and complexity of managing your environment. HP ISEE uses continuous hardware event monitoring and automated notification to identify and prevent potential critical problems during support coverage hours. Through remote diagnostics scripts and vital information collected about the status and configuration of your environment, HP ISEE enables fast restoration of your supported systems and devices should a problem occur. Many problems that once required waiting for HP on-site support can now be resolved more quickly through remote suppport.

features and benefits
HP ISEE features:

continuous event monitoring for supported systems and devices*
automated event notification to HP (incidents can be logged and tracked at HP response centers)
remote diagnostics and troubleshooting (scripts)

Steve Steel

Re: Predictive Failure Analysis for disk

Andrew Merritt_2 — Wed, 29 Sep 2004 06:01:45 GMT

As the others have mentioned, the EMS HW Monitors will be watching the disks (specifically disk_em for HP supported SCSI disks). If the OnlineDiags are installed, this will be turned on by default.

For disks <9Gb, disk_em monitors the rate of defects, by polling the device and getting the stats, and will issue events if the rate is too high.

For disks >9Gb, SMART technology is built in which will generate events if it detected that the drive is likely to fail. These are reported via disk_em (but the difference is that it's the drive that initiates the event, not disk_em).

The events are documented here: http://www.docs.hp.com/hpux/onlinedocs/diag/ems/disk_em.htm

As always, it's a good idea to have a recent version of OnlineDiags installed together with the latest patch for that version.

Re: Predictive Failure Analysis for disk

Sยภเl Kย๓คг — Wed, 29 Sep 2004 07:04:28 GMT

See HPUX has got powerful diagonisis utilities like EMS,STM ..etc.
You can make use of these.Good documentation available on http://docs.hp.com
regards
SK

Re: Predictive Failure Analysis for disk

Borislav Perkov — Wed, 29 Sep 2004 08:06:45 GMT

Hi,

You can also use Measureware.
Or with analysis of the
sar -d
command specialy avque, avwait and avserv you can predict disk failure.

regards,
Borislav