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0004225: fsck.ext4 uses massive amounts of memory on a 5.4TB file system

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I have a Dell 2950 running CentOS 5.4 x86_64 host with 8GB of memory and 6x1TB hard disks in a RAID-5 configuration.<br /> and <br /> This file system recently reported problems and while attempting to run fsck.ext4 on the file system found that it ran out of memory and was killed by the OOM. I installed another 8GB of memory in the machine bringing it to a total of 16GB of memory and it *still* runs out of memory.<br /> <br /> At this point, I have not been able to recover this file system. I have two choices, by more memory (without knowing how much), say 128GB, and *hope* that that will allow me to run the fsck successfully, or set<br /> <br /> tune4fs -e continue<br /> <br /> which seems more dangerous.<br /> <br /> How can I get this file system to run through to completion? I've even tried to set /etc/mke2fs.conf for scratch but fsck.ext4 seems to ignore this file.

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