[Lustre-discuss] wrong free inode count on the client side with 1.8.7

Michael Kluge Michael.Kluge at tu-dresden.de
Tue Jun 19 23:33:22 PDT 2012

Hi list,

the number of free inodes seems to be reported wrongly on the client side. If I create files, the number of free inodes does not change. If I delete the files, the number of free inodes increases. So, from a client perspective, if I repeat to create and remove files, I can have more and more free inodes. I tried to find a bug for this in Whamcloud's database but could not find one. 'df -i' for the mdt on the MDS looks OK.

I think behaviour is depicted here:

Right now I don't think this is a big problem. Can this turn into a real problem? Like when the number of free inodes as seen by the client exceeds 2^64 or  whatever is the limit there?



Dr.-Ing. Michael Kluge

Technische Universität Dresden
Center for Information Services and
High Performance Computing (ZIH)
D-01062 Dresden

Willersbau, Room WIL A 208
Phone:  (+49) 351 463-34217
Fax:    (+49) 351 463-37773
e-mail: michael.kluge at tu-dresden.de
WWW:    http://www.tu-dresden.de/zih

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