thank you,I think using these three solution smartctl ,last reboot and mount count ,will help in arriving a (possible) solution. Cheers, Lakshmipathi.G On Sun, May 31, 2009 at 4:31 AM, Jelle de Jong <jelledejong@xxxxxxxxxxxxx> wrote: > lakshmi pathi wrote: >> This is a case of where knowing what you are really trying to do would >> be useful >> >> sorry :) I came across this interesting question in Linux forum , I >> thought about digging "/var/log/messages" and grep >> "Freeing initrd memory" or some unique message might give the required answer. >> I posted the question here, because I wanted the professional answer :) >> >> Thanks guyz, today I learned by last command.But how reliable "last >> reboot" is ? I quickly checked the man page it said /var/log/wtmp >> used by last command.- what will happen if the log file >> modified/erased or archived. > > You can also use de S.M.A.R.T. statistics of the hard drive, it will not > show you the reboots but it will show the spin ups of the hard drive so > power off power on, you can use this with the last reboot command and > get a good indication. > > Best regards, > > Jelle de Jong > > # /usr/sbin/smartctl -A /dev/sda | grep -E "Start_Stop_Count|Power_On_Hours|Power_Cycle_Count" > 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 9 > 9 Power_On_Hours 0x0032 098 098 000 Old_age Always - 8843 > 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 9 > > /usr/sbin/smartctl -A /dev/sdb | grep -E "Start_Stop_Count|Power_On_Hours|Power_Cycle_Count" > 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 53 > 9 Power_On_Hours 0x0032 098 098 000 Old_age Always - 8844 > 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 53 > > -- Cheers, Lakshmipathi.G _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users
