Article ID: 115646, created on Mar 6, 2013, last review on Mar 6, 2013

  • Applies to:
  • Plesk for Linux/Unix

Symptoms

Migration fails with following error:

[4163]: 21:37:24 INFO Free reserved disk space at /var/mig/.fs_NaN_NaN
[4163]: 21:37:24 INFO Writing dump file: /var/mig//dump.xml
[4163]: 21:37:28 DEBUG Unable to create dump: Cannot create main dump file! at Packer.pm line 164.
 at Packer.pm line 164
        Packer::finish('Packer=HASH(0x8dae540)') called at PleskX.pm line 610
        PleskX::dump('PleskX=HASH(0x8dae4e0)') called at ./PleskX.pl line 259
        eval {...} called at ./PleskX.pl line 145
        main::main() called at ./PleskX.pl line 279

Diagnostics

# perl -Mbigint -e 'print 0'
NaN
 
NaN returns instead of 0

Cause

This error is caused by Perl module inconsistency on the Source server.

Resolution

Update all Perl packages to latest available version.

Workaround

Find all perls modules which uses 'BigInt' on Source server:
 
# find /usr/local/psa/PMM/ -name '*.pm' | xargs grep -i 'BigInt'
/usr/local/psa/PMM/agents/PleskX/PleskX.pm:  use bigint;
/usr/local/psa/PMM/agents/PleskX/RsyncContent.pm:use bigint;
/usr/local/psa/PMM/agents/shared/Storage/FileStorage.pm:use bigint;
/usr/local/psa/PMM/agents/shared/ContentTransport/Rsync.pm:use bigint;
 
Edit each file and replace "use bigint;" to "use Math::BigInt;"

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