[gpfsug-discuss] Tracking deleted files

Simon Thompson (Research Computing - IT Services) S.J.Thompson at bham.ac.uk
Mon Feb 27 12:39:02 GMT 2017


Yeah but that uses snapshots, which is pretty heavy-weight for what I want to do, particularly given mmbackup seems to have a way of tracking deletes...

Simon

From: <gpfsug-discuss-bounces at spectrumscale.org<mailto:gpfsug-discuss-bounces at spectrumscale.org>> on behalf of Jez Tucker <jtucker at pixitmedia.com<mailto:jtucker at pixitmedia.com>>
Reply-To: "gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>" <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>
Date: Monday, 27 February 2017 at 11:59
To: "gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>" <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>
Subject: Re: [gpfsug-discuss] Tracking deleted files

Hi Simon

  I presented exactly this (albeit briefly) at the 2016 UG.

See the snapdiff section of the presentation at:

http://files.gpfsug.org/presentations/2016/south-bank/ArcaPix_GPFS_Spectrum_Scale_Python_API_final_17052016.pdf

We can track creations, modifications, deletions and moves (from, to) for files and directories between one point in time and another.

The selections can be returned via a manner of your choice.

If anyone wants to know more, hit me up directly.

Incidentally - I will be at BVE this week (http://www.bvexpo.com/) showing new things driven by the Python API and GPFS - so if anyone is in the area and wants to chat about technicals in person rather than on mail, drop me a line and we can sort that out.

Best,

Jez


On Mon, 27 Feb 2017 at 11:30, Simon Thompson (Research Computing - IT Services) <S.J.Thompson at bham.ac.uk<mailto:S.J.Thompson at bham.ac.uk>> wrote:
Hi,

Is there a way to track files which have been deleted easily? I'm assuming
that we can't easily use a policy scan as they files are no longer in the
file-system unless we do some sort of diff?

I'm assuming there must be a way of doing this as mmbackup must track
deleted files to notify TSM of expired objects.

Basically I want a list of new files, changed files and deleted files
since a certain time. I'm assuming the first two will be relatively simple
with a policyscan, but the latter I'm not sure about.

Thanks

Simon

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