Hi Andreas, Could you explain a bit more how the number 400M was decided? Ext3 itself won't need that much disk space, right? Also, is this number related to the total capacity of the Luster filesystem? In other words, will the MDS always need 400M to work properly for a filesystem of size 1T or just 1G? By switching to a different underline filesystem (i.e., from ext3 to ext2), can this number be lowered?
This is important to us. Since we may have a use case that runs Luster on a 1G Compact Flash (to be shared among a few nodes). Does this mean that only a little more than half of the capacity can be used for data? Lin > -----Original Message----- > From: Andreas Dilger [mailto:[EMAIL PROTECTED] > Sent: Monday, January 29, 2007 7:04 PM > To: Lin Shen (lshen) > Cc: [email protected] > Subject: Re: [Lustre-discuss] disk space needed to run MDS > > On Jan 29, 2007 12:25 -0800, Lin Shen (lshen) wrote: > > I read once in the alias that running MDS requires a minimum disk > > space of 400MB + 4kB * number of files. Is this still the > case with 1.6beta? > > Yes. This relates more to ext3 than to Lustre. > > Cheers, Andreas > -- > Andreas Dilger > Principal Software Engineer > Cluster File Systems, Inc. > _______________________________________________ Lustre-discuss mailing list [email protected] https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
