Memory allocation failed: Difference between revisions
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=Problem= | =Problem= | ||
{{man|8|amdump}} includes a message such as | |||
taper: FATAL taper.c@613: memory allocation failed (2147483648 bytes requested) | taper: FATAL taper.c@613: memory allocation failed (2147483648 bytes requested) | ||
when the dumptype includes a value of several GB for either <tt>tape_splitsize</tt> or <tt>fallback_splitsize</tt>. | when the dumptype includes a value of several GB for either <tt>tape_splitsize</tt> or <tt>fallback_splitsize</tt>. | ||
Latest revision as of 23:29, 30 June 2008
This article is a part of the Troubleshooting collection.
Problem
amdump(8) includes a message such as
taper: FATAL taper.c@613: memory allocation failed (2147483648 bytes requested)
when the dumptype includes a value of several GB for either tape_splitsize or fallback_splitsize.
Explanation
Amanda uses in-memory buffers for splitting dumps. Even on a system with sufficient RAM installed, a 32-bit processor cannot address more than 2-3GB (depending on operating system) of memory.
Solution
If possible, compile Amanda as a 64-bit application.
Otherwise, reduce your splitsize to something closer to 1GB (again, depending on operating system).
Thanks to Jean-Francois Malouin for asking about this on the Amanda-users mailing list.