[gpfsug-discuss] GPFS RFE promotion

Ben De Luca bdeluca at gmail.com
Fri Oct 10 16:26:40 BST 2014


Id like this to see hot files

On Fri, Oct 10, 2014 at 11:08 PM, Bryan Banister <bbanister at jumptrading.com>
wrote:

> Hmm... I didn't think to use the DMAPI interface.  That could be a nice
> option.  Has anybody done this already and are there any examples we could
> look at?
>
> Thanks!
> -Bryan
>
> -----Original Message-----
> From: gpfsug-discuss-bounces at gpfsug.org [mailto:
> gpfsug-discuss-bounces at gpfsug.org] On Behalf Of Phil Pishioneri
> Sent: Friday, October 10, 2014 10:04 AM
> To: gpfsug main discussion list
> Subject: Re: [gpfsug-discuss] GPFS RFE promotion
>
> On 10/9/14 3:31 PM, Bryan Banister wrote:
> >
> > Just wanted to pass my GPFS RFE along:
> >
> > http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=6
> > 0458
> >
> >
> > *Description*:
> >
> > GPFS File System Manager should provide the option to log all file and
> > directory operations that occur in a file system, preferably stored in
> > a TSD (Time Series Database) that could be quickly queried through an
> > API interface and command line tools.  ...
> >
>
> The rudimentaries for this already exist via the DMAPI interface in GPFS
> (used by the TSM HSM product). A while ago this was posted to the IBM GPFS
> DeveloperWorks forum:
>
> On 1/3/11 10:27 AM, dWForums wrote:
> > Author:
> > AlokK.Dhir
> >
> > Message:
> > We have a proof of concept which uses DMAPI to listens to and passively
> logs filesystem changes with a non blocking listener.  This log can be used
> to generate backup sets etc.  Unfortunately, a bug in the current DMAPI
> keeps this approach from working in the case of certain events.  I am told
> 3.4.0.3 may contain a fix.  We will gladly share the code once it is
> working.
>
> -Phil
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