By themselves those numbers don't nessarily mean much. We would also need to know how often shadow copy happened and nothing was corrupted.
On Fri, 10 Jul 2015 at 16:34, Rob Van Dyck <[email protected]> wrote: > Hi Thomas and list, > > After investigating another corruption yesterday, we noticed something > strange: a few minutes before the DB was found corrupt there was a Volume > Shadow Copy created for the drive where our H2 files are located. > > Apparantly there are multiple reports on the internet that suspect DB's > can get corrupted during a Volume Shadow copy creation (thus the original > DB gets corrupted, not just the copy), though most are unconfirmed and just > suspicions: > IBM ClearCase VOB: > http://www-01.ibm.com/support/docview.wss?uid=swg21268722 > Firebird: > https://www.mail-archive.com/[email protected]/msg10672.html > > https://groups.yahoo.com/neo/groups/firebird-support/conversations/messages/83269 > C-tree: > http://optiable.com/pclaw-vss-causes-data-loss/ > Access: > > http://www.pcreview.co.uk/threads/volume-shadow-copy-access-corruption.1094172/ > > Could that also possibly lead to a problem in H2? > > I'll include the corruption stacktrace from right after the Volume Shadow > Copy. H2 was trying to do a commit. This was on a Windows 8.1 6.3 amd64 > machine running Java 1.7.0_60 64. > > We have also checked several instances of H2 corruptions (5) for Volume > Shadow copy creations while our application was running: > > - 2 had a Volume Shadow copy taken previously that day > - 1 had it taken 2 days before > - 1 had it taken 2 weeks before > - 1 didn't appear to have had a shadow copy taken while our > application was running > > > Regards, > Rob. > > -- > You received this message because you are subscribed to the Google Groups > "H2 Database" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/h2-database. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
