On Thu, 2009-01-29 at 13:32 +0900, Satoshi Isono wrote: > Hi all, > > Do you know how to change the capacity of inode space?
Sorry, you can't. Up-front planning is very important in this aspect of deploying Lustre. In the future, adding MDTs will increase inode capacity, but currently only a single MDT is supported. I *think* growing the size of the physical device and then using resize2fs to increase an ext3(4?) filesystem will increase inode count. I am however, doubtful that resize2fs will work with our ldiskfs filesystems. Perhaps resize2fs from an ext4 supporting version of e2fsprogs will support doing that. I have no idea -- never tried it. That said, doing this is a completely unsupported operation. I don't know anyone that has even tried it. If you want to go this route, do a lot of testing and make sure you have backups. It will probably be easier and cheaper in the long run to just build a new MDT that meets your revised requirements. b.
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