inline replies On 11/3/06, thomas <[EMAIL PROTECTED]> wrote: > > In one of interview of RHEL I have been asked following question. > Please help me in getting answers > > 1) Without using dmesg command and messages and dmesg log file, how > one will find that hot pluggable drive just inserted has been detected > by kernel or not. > > 2) Are device file corresponding to this drive will be created > automatically? If no which command will create corresponding block > device file in /dev.
Depends on if you use udev[ http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html]. On systems without udev, you have a static /dev directory with most commonly? used devices made. 3) If these is no way for automatic generation of block device, how > major and minor number of a disk can be figured out so that one can > use mknod device_name b maj_no Minor_no? I had to look this up once and found it in /usr/src/linux/Documentation/devices.txt 4) If this disk is configured and partitioned successfully. One has > copied /boo, / , /var and /usr of running system to this disk on > corresponding directory. What has to be done to write bookable super > block /MBR on this disk so that one can boot from this disk on next > reboot. use dd? 5) without using dmesg and message file, how one can get prior > information that a particular disk is malfunctioning and going to > crash / fail. > > Thank in Advance sharad birmiwal _______________________________________________ ilugd mailinglist -- ilugd@lists.linux-delhi.org http://frodo.hserus.net/mailman/listinfo/ilugd Archives at: http://news.gmane.org/gmane.user-groups.linux.delhi http://www.mail-archive.com/ilugd@lists.linux-delhi.org/
