[Lustre-discuss] -i and -I options to mkfs.ext2

[Roger Spellman]

If I run the command:
 
 
mkfs.lustre --reformat --fsname test --device-size=8000000 --mgs --mdt
--mkfsoptions='-J device=/dev/sdc1 -m 0' --mgsnode=${MGSNODE} /dev/sdb
 
Then, it appears that the following mkfs.ext2 command gets called:
 
mkfs.ext2 -j -b 4096 -L test-MDTffff -J device=/dev/md29 -m 0 -i 4096 -I
512 -q -O dir_index -F /dev/sdb 200000
 
Why is the lower-case -i option 4096 but the upper-case -I option 512?
Shouldn't these two be the same on and MDT?  Otherwise, we wasting
memory on the MDT.
 
-Roger
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