Hi Bram,

We have two problems, actually.

Checksum checker: runs, but we get no reports, ever, even though it’s set to 
“report everything.” And bitstream deletions happen often enough that that 
should definitely trigger a report.

Health check reports: Runs, but only a fraction of bistreams checked. There may 
or may not be an error (a hibernate error) but even without an error, not all 
bitstreams are checked.

We’ve gone ahead and written our own checksum checker and are running our own 
reports.

Thanks for the follow up,
Gail

From: Bram Luyten <[email protected]>
Sent: Thursday, August 09, 2018 11:39 AM
To: Gail Steinhart <[email protected]>
Cc: [email protected]
Subject: Re: [dspace-community] Checksum checking and reporting in DSpace

Hi Gail,

we've very recently seen that the checksum checker fails in DSpace 6.x with 
large repositories.
More details: https://jira.duraspace.org/browse/DS-3975

Could this also be what's affecting you? Are the logs giving you any indication 
that the job succesfully completes?

best regards,

Bram

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Bram Luyten
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Gaston Geenslaan 14, 3001 Leuven, Belgium
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On 20 July 2018 at 20:05, Gail Steinhart 
<[email protected]<mailto:[email protected]>> wrote:
Greetings all,

Before we upgraded to DSpace 6.2, we ran nightly checksum reporting jobs, which 
were sent to our system programmer. Since upgrading to 6.2, we no longer 
receive the reports. Logs indicate the checksum checker runs, but no reports 
are mailed. We have been unable to get reports to send by changing options or 
running jobs manually. We’ve also tried the health check reports, which run, 
but don’t check all of our bitstreams.

We’re at a loss. We’re very uncomfortable with the notion that not receiving 
checksum reports means there are no errors to report. The absence of a report 
could just as easily mean the checking or reporting function is broken and not 
that there are no errors. We’re wondering how others in the DSpace community 
are handling checksum checking and reporting? Are you having the same issues? 
Are there any tools out there that you are using, or other suggestions you 
might have? Any other workarounds?

Thanks so much for any suggestions,
Gail

Gail Steinhart
Scholarly Communication Librarian | arXiv Program Associate
Digital Scholarship & Preservation Services | Cornell University Library
229 Olin Library | 607.255.7251
http://orcid.org/0000-0002-2441-1651 | @gailst<https://twitter.com/gailst>
she/hers

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