At Mon, 27 May 2013 22:25:55 +0800, Liu Yuan wrote: > > On 05/27/2013 09:12 PM, Valerio Pachera wrote: > > Hi, I tried to change cache size by 'collie node cache'. > > I went from one opposite to the other > > -w size=20000 > > wrote some data > > -w size=1 > > wrote some more data > > -w size=20000 > > when I was writing some more files, guest went crazy with I/O errors. > > > > May it because we have to 'cache flush' before shrinking? > > I guess so. > > > If yes, may this be done automatically? > > > > Dynamic resizing object cache with running VM seems very easy to cause > problems. Is this feature really needed? I can't think of a use case for > it because formatted partition can't be sized lively. > > Currently it is only safe to enlarge it dynamically. I am considering of > removing 'collie node cache'. I agree with that. Thanks, Kazutaka |