You may have noticed that fresh installations of Fedora 15 have network device named of “em1” or “p1n1” rather than the easy to remember “eth” nomenclature. It seems that those in the Linux world wish to take a step backwards, forgetting all that was gained with the simplified naming convention. Dial back time about 15
Device mapper does a great job at translating devices to somewhat human readable format. Yet, that layer breaks down in the logging. Let’s take the situation where you have an error in the filesystem that is getting reported in dmesg or syslog: [1297912.800024] EXT4-fs (dm-1): error count: 1 [1297912.800030] EXT4-fs (dm-1): initial error at 1322435090:
On a Fedora server (in this case 14, 15, and 16) acting as the primary LDAP server, it can get stuck booting if LDAP is not ready in time. You end up with a race condition where LDAP is stuck attempting to start for one reason or another and other services are stuck waiting for