Date
Attendees
Heidi Dowding
Jon Dunn
- Randall Floyd
- Julie Hardesty
- Nianli Ma
- Brian Wheeler
Notes
- need POD data dump and Memnon data dump added to diagram
- one each per object
- pres file not always playable
- for video, it’s not prod, it’s mezz file
- the thing used to create derivatives
- how does this show or does it show when there are groupings with one catalog record (3 LP sets)
- what is in HydraDAM2 is the AIP (created based on the SIP/bag on HPSS but not the same)
- checksum - initial validation between what memnon says and HPSS says and what we have
- in the future, do we go through and check all checksums again at regular intervals? yes, we do
- USE CASE [covered in Func Req]: show MDPI barcode in Avalon, provide link to HydraDAM2 though that barcode, download prod/mezz master files
- see desc md for object, see tech md for each file (file size, run time, track config)
- IU doesn’t need capability for thumbnail or preview in HydraDAM2
- see desc md for object, see tech md for each file (file size, run time, track config)
- derivative files are being kept in HPSS and should be shown in Fedora (high, medium, low streaming)
- each file needs to show when last fixity check was run and outcome (all files, not just digitized content but also ffprobe and MODS files)
- USE CASE [covered by Func Req]: be able to view objects/files based on fixity check outcomes (see all fixity checks that have failed)
- if something gets corrected, that gets added to HydraDAM2 object
- might need to be versions of files or versions of objects
- date/timestamp seems to be best way to handle that now
- Fedora 4 has versioning but we don’t know how Hydra deals with versions yet
- support MDPI workflow
- need to be able to fix things for MDPI and this might be different than generic case
- resubmit entire object
- supporting born-digital, non-MDPI AV use cases
- still need to talk about this
- typos in metadata
- how do changes in Avalon get propagated back to HydraDAM2?
- have solid reporting from access side and link to preservation side
- some updates will be Avalon, some MARC records, some EAD finding aid
- add in new XML files instead of trying to modify original XML files
- Heidi to research options
- take date/timestamp off of object level; tech md for file will have properties reflecting date and time, maybe file name will also have that, but not sure; Fedora 4 can do versioning but not sure how Hydra accesses that
- group id example in fedora
- USE CASES [not in Func Req - HDM-235] - different kinds of analysis based on metadata (all of the DATS, date range, from Memnon); maybe this is more of a dump and analysis is done somewhere else
- all access/prod/pres files have to be served via projection or Helper app
- we don’t know if static XML files still need to be part of HPSS with content files or not
- definitely want static XML files in Fedora as nonRDFResources
Action Items
- update diagram - Julie [DONE]
- add POD data dump file and Memnon data dump file (at MODS XML level)
- add high, medium, low streaming derivative files
- take date/timestamp off of object level and show with file names but note that tech md properties for files might contain this info for versioning instead
- create new diagram to show group id being used to group multiple MDPI items together (multi-LP set, for example) - Julie [DONE]
- research options for handling changes to metadata (edits made in Avalon or MARC record or EAD file; how do other places manage this in preservation system - is it preserved at single time or updated over time?) - Heidi
- try for meeting on Friday, Sept. 25 or Monday, Sept. 28 - Julie [DONE, Sept. 28 at 2:30pm, W517]