[valid/oar-properties] raise error when discrepancy between number of disk and...

[valid/oar-properties] raise error when discrepancy between number of disk and disk_reservations_count

requested review from @alpetit

approved this merge request

added 5 commits

• 2fbff6d2...2a3afcce - 4 commits from branch master
• 07a75328 - [valid/oar-properties] raise error when discrepancy between number of disk and...

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merged

mentioned in commit 51310836