On the basis of this stunning review I have ordered a copy of 'The Traveller in Black' from amazon :-) You should be in sales ;-) Simon On 16 Jun 2011, at 01:18, NeilBrown <neilb@xxxxxxx> wrote: > On Sat, 11 Jun 2011 18:01:11 -0700 jeffs_linux@xxxxxxxxxxx wrote: > >> Hi, >> >> I'm working on setting up my 1st Linux production server with RAID for >> our office. > > ---- cut lots of detail----- > It is very good to include lots of detail, but more effective you include it > after you have asked the question, otherwise one gets bored long before one > reaches the actual question.... > >> >> >> Now, I'm going about characterizing the arrays, and the Volumes on them, >> so I can deal with recovery if & when it's necessary. >> >> When I "look" at the array with these two commands, >> >> mdadm --examine --scan >> ARRAY /dev/md/jeffadm1 metadata=1.2 >> UUID=d84afb64:e6fa2b64:ff21c975:f9765431 name=jeffadm:jeffadm1 >> ARRAY /dev/md126 UUID=19f2b21c:e54f9e1a:be5ad16e:9754ab5e >> >> mdadm --detail --scan >> ARRAY /dev/md127 metadata=1.2 name=jeffadm:jeffadm1 >> UUID=d84afb64:e6fa2b64:ff21c975:f9765431 >> ARRAY /dev/md/0_0 metadata=0.90 >> UUID=19f2b21c:e54f9e1a:be5ad16e:9754ab5e >> >> >> I get different results for each one. > > It is just the different names that has you bothered - correct? > > Names are messy things. We pretend that everything has just one name but > that isn't really true (reminds me of "The Traveller in Black" ... he had > many names but one nature. But I digress). > > In the two different cases the 'name' of the array is found in different ways. > Both are correct, they are just different. > > So unless there is some real confusion being caused, best just to move on and > not let it worry you.. > > NeilBrown > > > >> >>> From my reading about naming in mdadm.conf, I was expecting to see: >> >> /dev/md/0_0 >> /dev/jeffadm:jeffadm1 >> >> >> Why do I get this mix of different results, >> >> /dev/md/jeffadm1 >> /dev/md126 >> >> from the "--detail" output, and >> >> /dev/md127 metadata=1.2 name=jeffadm:jeffadm1 >> /dev/md/0_0 >> >> according to the "--examine" output? >> >> Is my mdadm.conf OK? What really should I expect to see for the names >> of my arrays? >> >> Jeff >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-raid" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html