mirrors
Posted in 1993
Naomi writes: > > [much talk about archive restoral limitations deleted] > > > This is why disk mirroring is provided. If you mirror your disks, it is > > extremely unlikely that you would lose both copies of any one disk at > > the same time, except as part of some much larger disaster. > > In almost every case where I had to restore from archives, our mirrors > did not help. There was garbage scribbled on both copies due to lock > table overflows or a rudely killed process or an intermittant hardware > error. > Last week one of our primary disks started behaving erraticly (sp?) it would come down, Ellen would bring it back up, then it would come again. I think we finally replaced the disk - but during that entire time (probably came down 3-5 times/day for a week) the engine stayed up and running off of the mirror. So although I agree that mirrors have never helped me during archives, they do have their advantages. j. _____________________________________________________________________________ Jack Parker - Contractor | Hewlett Packard, BSMC Boise, Idaho, USA| If you keep staring at it like that, jparker@hpbs2561.boi.hp.com | your nose is going to grow (208) 396-5388 (W) (208) 384-1623 (H) | into the bark. _____________________________________________________________________________