Dne 28.2.2011 14:13, Eli Malul napsal(a): > > OK, I will try that and check the implications of that, thanks!! > > But, do you know why having 10,000 extents is causing this overwhelming > memory usage? > If you really need that many devices - be also sure you have disabled this kernel config option: CONFIG_BLK_DEV_INTEGRITY For some reason it consumes massive amount of memory. Other than that - you should count with 64KB per device usually. Zdenek -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel