dosdon'tsmanagingseismicdataarchive cairns[1]
Post on 05-Apr-2018
215 Views
Preview:
TRANSCRIPT
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 1/25
SAMPLE IMAGE
Some DOs and DON’Tsof Managing a SeismicData Archive
Andy CairnsCGGVeritas (Data Services division)
PPDM Data Management ConferenceSeptember 2010
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 2/25
September 2010 PPDM Data Management Conference 2
Introduction
Question:
Why am I limiting this to SEISMIC?
Answer:
Seismic typically represents the biggeststorage volume…
Third parties are almost always involved…
Many people think it should be easy.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 3/25
September 2010 PPDM Data Management Conference 3
Introduction
These DOs and DON’Ts are not intended to
be an exhaustive list.
They reflect my observations from a ServiceProvider perspective.
They may help prevent bad “good ideas” being introduced.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 4/25
September 2010 PPDM Data Management Conference 4
Introduction
Managing a seismic archive is far more than
just physical storage of media.
It requires a good database and goodprocedures…
It requires reliable subcontractors.
Legacy data requires maintenance.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 5/25
September 2010 PPDM Data Management Conference 5
Agenda
MEDIA-related DOs and DON’Ts
PROCESS-related DOs and DON’Ts
ATTITUDE-related DOs and DON’Ts
PROCESS-related DOs and DON’Ts
ATTITUDE-related DOs and DON’Ts
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 6/25
September 2010 PPDM Data Management Conference 6
MEDIA-related DOs & DON’Ts
DO:
Stick with de facto industry standards withregards to media for long term archive.
DON’T:
Be tempted to lead the pack with regards toimplementing new technologies.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 7/25
September 2010 PPDM Data Management Conference 7
MEDIA-related DOs & DON’Ts
In the last 40-odd years, there has been a
relatively simple progression in terms of ade facto industry standard media:
- 9-track tape
- 3480/3490 cartridge
- 3590B cartridge (10GB)
- 3592-E05 cartridge (500GB)
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 8/25
September 2010 PPDM Data Management Conference 8
MEDIA-related DOs & DON’Ts
IBM 3590 & 3592 Technology
IBM 3592 Drives
3592-J1A TS1120 TS1130 ?
Media
JJ 60GB 100GB 128GB ?
JA 300GB 500GB 640GB ?
JB - 700GB 1000GB ?
IBM 3590 Drives
3590B3590B
(x2)3590E 3590H
Media
Blue "J" 10GB 10GB 20GB 30GB
Green "K" - 20GB 40GB 60GB
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 9/25
September 2010 PPDM Data Management Conference 9
MEDIA-related DOs & DON’Ts
DO:
Take advantage of low cost, high capacitymedia (e.g. 3592 tape) to reduce storage
volume and costs.
DON’T:
Be tempted to put too much data on eachcartridge.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 10/25
September 2010 PPDM Data Management Conference 10
MEDIA-related DOs & DON’Ts
What constitutes too much data?
A tape that is 100% full may be difficult tocopy (e.g. limit to 95% capacity).
A tape with too much data will limit theability to provide descriptive content on
the label.
A tape with too much unrelated data mixedtogether will be difficult to manage.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 11/25
September 2010 PPDM Data Management Conference 11
MEDIA-related DOs & DON’Ts
DO:
Select good quality media.
DON’T:
Write tapes with compression on.
DO:
Ensure guidelines on media handling areunderstood and followed.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 12/25
September 2010 PPDM Data Management Conference 12
Agenda
MEDIA-related DOs and DON’Ts
PROCESS-related DOs and DON’Ts
ATTITUDE-related DOs and DON’TsATTITUDE-related DOs and DON’Ts
MEDIA-related DOs and DON’Ts
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 13/25
September 2010 PPDM Data Management Conference 13
PROCESS-related DOs & DON’Ts
DO:
Ensure consistency in database entries forrelated items.
SURVEY LINE TYPEXYZ ABC1 FLD
XYZ-81 ABC-01 PROC
XYZ ABC01 Processed
XYZ-1981 Navigation
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 14/25
September 2010 PPDM Data Management Conference 14
PROCESS-related DOs & DON’Ts
DO:
Plan to migrate data from legacy (outdated)media in your archive.
DON’T:
Leave it too late such that data loss willoccur through deterioration or because the
hardware capability to migrate is lost.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 15/25
September 2010 PPDM Data Management Conference 15
PROCESS-related DOs & DON’Ts
9-track tape deterioration (sticky or
shedding oxide) is a well known problem.
The life of modern media will also depend onmanufacturing, handling, environment,
tape drive maintenance, etc.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 16/25
September 2010 PPDM Data Management Conference 16
PROCESS-related DOs & DON’Ts
DO:
Differentiate between long term archivaldata and short term active data.
DO:
Have a method for identifying multiplecopies of the same data.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 17/25
September 2010 PPDM Data Management Conference 17
PROCESS-related DOs & DON’Ts
DO:
Have at least two copies of archived data.
DON’T:
Store them together!
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 18/25
September 2010 PPDM Data Management Conference 18
PROCESS-related DOs & DON’Ts
DO:
Develop and impose content standards (e.g.SEGY headers, label content, digital
transmittals).
DON’T:
Introduce “standards” that createunnecessary compatibility issues.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 19/25
September 2010 PPDM Data Management Conference 19
PROCESS-related DOs & DON’Ts
DO:
Cull tapes that are clearly no longerrequired.
DON’T:
Cull tapes without strong procedures inplace!
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 20/25
September 2010 PPDM Data Management Conference 20
Agenda
MEDIA-related DOs and DON’Ts
PROCESS-related DOs and DON’Ts
ATTITUDE-related DOs and DON’Ts
MEDIA-related DOs and DON’Ts
PROCESS-related DOs and DON’Ts
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 21/25
September 2010 PPDM Data Management Conference 21
ATTITUDE-related DOs & DON’Ts
DO:
Become familiar with media and formats thatyou will encounter, and understand issues
associated with copying, reformatting,subsetting.
DON’T:
Be afraid to ask questions!
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 22/25
September 2010 PPDM Data Management Conference 22
ATTITUDE-related DOs & DON’Ts
DO:
Consider 3rd party QC of newly receivedtapes (especially if you won’t be reading
them).
DON’T:
Assume that the data you receive will alwaysbe as reported.
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 23/25
September 2010 PPDM Data Management Conference 23
ATTITUDE-related DOs & DON’Ts
DO:
Appreciate that physical storage,transcription, data loading and processing
are all quite different disciplines.
DO:
Look for best-of-breed in each discipline…
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 24/25
September 2010 PPDM Data Management Conference 24
ATTITUDE-related DOs & DON’Ts
And Finally, as with most things in life…
DON’T:
Automatically go for the cheapest option!
If you pay peanuts you get monkeys…
James Goldsmith
7/31/2019 DOsDON'TsManagingSeismicDataArchive Cairns[1]
http://slidepdf.com/reader/full/dosdontsmanagingseismicdataarchive-cairns1 25/25
SAMPLE IMAGE
Some DOs and DON’Tsof Managing a SeismicData Archive
Andy CairnsCGGVeritas (Data Services division)
PPDM Data Management ConferenceSeptember 2010
QUESTIONS?
top related