Solution : https://service.sap.com/sap/support/notes/132536 (SAP Service marketplace login required)
Key words : 
linux operating system caused frequent losses, ~ftp/general/r3server/patches/rel31i/, ~ftp/general/r3server/patches/rel40b/, ~ftp/general/r3server/patches/rel4, ~ftp/general/r3server/patches/rel46d/, ~ftp/general/r3server/patches/rel620/, application servers concurrently write, application servers lead, linux operating system, tl05 support package 4
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