On Sun, 2010-10-24 at 00:05 -0700, Ed Gould wrote: > John: > One warning that hit me. We used to do weekly dump & restore of the HSM > cds's.Make sure you make two copies of the backup tape. Either after dump > copy to another tape or create 2 copies with the dump.This saved my ass more > than once. Tape is not even close to being 100 percent dependable. Back in > the 2nd gen it was really bad got better 360 and even better 370 but I think > its leveled off. Yes it has gotten faster but a CYA is still a must. > We had the dasd space available (it was a gamble) as management would get rid > of it and get new in faster than we could keep track of it. We used to use > the DASD for large requests and warned the user to not complain if it > dissappeared over night. We had no input just a person last on the > notification list although it meant a lot of OT to handle the crazy > management decisions. I have seen it where management forgot to tell us and > it sat there for months on end and suddenly it was pulled and we essentually > had nothing to do as it was the same as it came it. I do not think it ever > got powered up and attached (I could be wrong on this but I do not think so. > Ed >
Ah. Good point. In our case, for this function, the tape is virtual tape. For off-site storage, we use OpenTech's VDR to copy the virtual tape onto a duplexed physical tape. -- John McKown Maranatha! <>< ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
