On Sun, Mar 01, 2009 at 02:03:28PM -0500, Allan Gottlieb wrote: > At Sun, 01 Mar 2009 17:49:36 +0100 KH wrote: > > > Peter Humphrey schrieb: > >> As it's Sunday, here's an odd little thing. > >> > >> Not long ago, while booting this machine, four ext3 partitions needed checks > >> on remount count reaching zero. They had been set to 23, 24, 25 and 26 > >> mounts. (I didn't choose the numbers; they were allocated at the time I was > >> creating the file system.) > >> > >> Now, this box does get rebooted, but hardly 23 x 24 x 25 x 26 = 358,800 > >> times all told. At, say, two reboots per day, that would take rather a long > >> time: a little under 500 years if my arithmetic is working. > >> > >> > > Hi, > > > > this is incorrect. 179400 mounts would be enough (24 and 26 can both be > > divided by 2). > > Correct. I erred in saying that 23,24,25,26 are relatively prime as you > noted. In general if it was a1,a2,...an the answer would be > LCM(a1,a2,...,an), where LCM abbreviates Least Common Multiple. > > allan What about battery? If that's a laptop checks are deferred if running on battery at boot time, so it can happen that all the partitions are fscked the first time you boot on AC. ======= TopperH =======