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P l a n e t a r y D a t a S y s t e m 1 Data Integrity Compilation Data Integrity Compilation Presented by: Al Schultz Location: PDS Management Council.

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Presentation on theme: "P l a n e t a r y D a t a S y s t e m 1 Data Integrity Compilation Data Integrity Compilation Presented by: Al Schultz Location: PDS Management Council."— Presentation transcript:

1 P l a n e t a r y D a t a S y s t e m 1 Data Integrity Compilation Data Integrity Compilation Presented by: Al Schultz Location: PDS Management Council Meeting USGS Flagstaff, AZ Date: July 8, 2008

2 P l a n e t a r y D a t a S y s t e m 2 Primary Copy of Data Availability & DI GEOImg 1 PPISBNRingsENNAIF Data Volume (TB) 18.48 TB 14 TB2 TB0.48 TB0.4 TB0.02 TB0.7 TB Online Capacility (TB) 30 TB27 TB (JPL) 4 TB1.3 TB1.0 TB8 TB0.2 TB % of Archive which is Online 100% Online Archive Method (e.g., RAID System) RAID 5RAID RAID 5RAID 50 RAID Schedule to perform Online Archive DI check (e.g., daily, weekly) Monthl y NoneMonthl y NoneN/APer buildMonthly Online Archive DI Checksum Type(s) (e.g., MD5) MD5NoneMD5 CRC32 (catalog) MD5 1 – IN updating RAID arrays. Once complete, checksums assigned and checked monthly for errors.

3 P l a n e t a r y D a t a S y s t e m 3 2 nd Copy of Data (Backup) Availability & DI GEOImgPPISBNRingsENNAIF Online Archive Backup Location Server Room 2 USGS(MM) GEO (Mer,Mex), Rings (Voy) SDSCSame room as RAID Redwood, CA UMD / EN Iron Mountain, Co Online Archive Backup Method (e.g., SDSC) CopyMedia Exchange SDSC near-line rsync1TB Data Bricks Rsync / tape AIT Online Archive Backup Schedule With data release As receivedmonthlyNightly & weekly Bi- monthly Weekly / daily Monthly & yearly % Online Archive been Backed UP 100%USGS (<1%) GEO (73) Rings (<1%) 100% Schedule to perform Online Archive Backup copy DI check MonthlyNone N/AOnly at primary None Online Archive Back up copy DI Checksum Type(s) MD5NoneMD5 N/A

4 P l a n e t a r y D a t a S y s t e m 4 3 nd Copy of Data (Backup) Availability & DI GEOImgPPISBNRingsENNAIF Deep Archive Location Offsite, St. Louis NSSDC N/ANSSDC % of Deep Archive 100%1%50%Not known 1%N/A100% Deep Archive Method (e.g., NSSDC Tape System) LTD4 tape CD copiesCDNot known NSSDC tape system N/ANSSDC tape system Schedule to perform Deep Archive DI check 4x per year None- N/A Once per 6 months Deep Archive Checksum Types(s) LTD4 built in None-MD5 & CRC32 N/A MD5 % Deep Archive DI Checked 100%None0%Prior to delivery 0%N/A0%

5 P l a n e t a r y D a t a S y s t e m 5 PDS Node System GEOImgPPISBNRingsENNAIF Primary Location WUSTLJPLUCLAUMDMountain view, Ca JPL-ENJPL Bld 230 Backup Location WUSTL & offsite JPLUCLANext to primary Redwood City, Ca JPL-ENJPL Bld 230 Backup Method tape rsync1 TB Data Bricks tapeRAID Backup Schedule Daily & 4x per year dailymonthlyWeekly, bi- nightly Bi- monthly dailyN/A Mirror Site Location N/AUSGS Az GEO Node Rings Node N/A UMDN/A Mirror Test Schedule N/ANoneN/A Every 6 months N/A Mirror Backup Method N/AUnknownN/A RsyncN/A

6 P l a n e t a r y D a t a S y s t e m 6 PDS Node Disaster Recovery GEOImgPPISBNRingsENNAIF Plan Approval Date N/A - JPL annually - Plan Test Schedule N/A - -

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