I'm trying to do an fsck on an ext3 partition but I'm seeing abysmally slow disk throughput; monitoring with "dstat" (like vmstat) shows ~1200-1500KB/s throughput to the disks. Even with 24hrs of fsck-ing I only get ~3% (still in pass1). The filesystem is ext3 running "e2fsck -C0 /dev/sda3" and about 3.7TB on an x86_64-based system with 4GB RAM. e2fsprogs is 1.41.9. During initial periods of the fsck I see throughput in the 30-70MB/s range (ie, <0.4% complete). Shortly after that throughput tanks and stays there. Just a rough extrapolation of the size of my filesystem (3.4TB used; ~95%) makes it look like this will take ~28 days to complete. I'm using approx 12M inodes out of my 243M available. -Doug
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