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Support of backup volumes with size more than 4Gb [CORE3575] #3929
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Commented by: @alexeykovyazin Details on implementation: |
Modified by: @alexeykovyazindescription: There is a bug in gbak implementation of backup process with volumes. vol1.fbk will be 1Gb in size, and rest is in vol2.fbk. What should be done: => There is a bug in gbak implementation of backup process with volumes. vol1.fbk will be 1Gb in size, and rest is in vol2.fbk. What should be done: |
Modified by: @AlexPeshkoffassignee: Alexander Peshkov [ alexpeshkoff ] |
Commented by: @AlexPeshkoff What about 2.5 - check avoiding overflow of 4Gb limit is already present and works correctly in B2_5. |
Modified by: @AlexPeshkoffstatus: Open [ 1 ] => Resolved [ 5 ] resolution: Fixed [ 1 ] Fix Version: 3.0 Alpha 1 [ 10331 ] |
Modified by: @pcisarstatus: Resolved [ 5 ] => Closed [ 6 ] |
Modified by: @pavel-zotovQA Status: No test |
Modified by: @pavel-zotovstatus: Closed [ 6 ] => Closed [ 6 ] QA Status: No test => Cannot be tested |
Submitted by: @alexeykovyazin
There is a bug in gbak implementation of backup process with volumes.
According to Firebird implementation, it should be not possible to create volume of backup with explicitly specified size which is more than 4gb.
Bug is in the following behaviour - if there will be set size which more than 4Gb and reminder of its division by 4 is not 0, backup volume will be created with remainder's size.
Example:
gbak -b -user SYSDBA -pass masterkey database.fdb vol1.fbk 41g vol2.fbk
vol1.fbk will be 1Gb in size, and rest is in vol2.fbk.
What should be done:
1) Wrong behaviour should be fixed (probably backported?) so it should not be possible to specify more than 4Gb size
2) In the future version implement support of bigger volumes, because 4Gb is obviously outdated limitation.
Commits: 6822569
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