Hi, > The mq policy uses a fair bit of memory per cache entry (I'm working > on reducing this). I suggest you bump the block size right up. eg, > 2048 rather than 64. Tell me if this doesn't help Good point! :-) I found the corresponding stanza in the doc. Thanks ! Regards, -- Étienne BERSAC <etienne.bersac@xxxxxxxxxx> NON STOP Systems -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel