Jeff Freeman wrote: > Hi everyone - I've been reading a lot of threads as I'm having issues with > our server rebooting - signs are pointing towards a GRUB file needing > recreation. One peron wrote that they took the easy road by reinstallingt > the OS - I'm all for easy this point - question though - if I went this route > - will I loose all of my pools and luns that I have already painstakingly > created?
This might not be the best list for your question. First of all, what do you mean by "issues with our server rebooting?" Do you mean that when you deliberately attempt to reboot, you have problems (if so, what problems?)? Or do you mean that the server reboots on its own? If it's the latter, then the system is almost certainly crashing, and finding out _WHY_ it's crashing is very important. This isn't Windows; reinstalling isn't normal administrative practice, and may well not fix anything. What "signs are pointing" towards GRUB? Can you describe what the signs look like? And if some file needs to be recreated (I've never heard of such a thing with GRUB, though I guess anything's possible), why not just recreate it rather than reinstalling the whole OS? Just about the only reason I've seen for reinstalling is when someone does something dramatically foolish as root, like "rm -rf /usr/bin". Even then, rebooting to an older BE is almost always the right thing to do instead. As for the actual questions: you can recover ZFS pools (at least the ones that you haven't deliberately overwritten during your ill-advised reinstall) by forcing an import. You haven't said what sorts of LUNs you're concerned about, but I wouldn't expect actual hardware to go down in such a fire. You'll just need to arrange them back the way they were. -- James Carlson 42.703N 71.076W <carlsonj at workingcode.com>
