Hi Again Thus continue and labelling DailySet101 - 110 as So far, to Dailyset 122 Thus end of each month pull that tape and carry on as usual.
Thus as I started the backup with tape DailySet102 for tuesday as I want DailySet101 for first week monday. Have I got to edit the tapelist accordingly. Do I just On Tue, 2005-06-14 at 10:24 -0400, Jon LaBadie wrote: > On Tue, Jun 14, 2005 at 02:03:19PM +0100, Chuck Amadi Systems Administrator > wrote: > > Hi Great > > > > Yes I am going to use 10 tapes in total and reuse the first tape after > > 10 week days worth of backups. > > > > Thus is it fine to pull the last Friday tape at the end of the Month for > > archiving and then re-label the tape I pulled. > > > > > > On Tue, 2005-06-14 at 08:21 -0400, Jon LaBadie wrote: > > > On Tue, Jun 14, 2005 at 12:45:07PM +0100, Chuck Amadi Systems > > > Administrator wrote: > > > > Hi I have 10 dat tapes that I will run per my cycle 5 per 5 day week. > > > > Thus every fortnight. > > > > I am correctly concluding I need only a tapecycle of 10 tapes > > > > I hope to pull out the last Friday tape in that Month to archive and > > > > thus label another tape to replace it. > > > > > > > > Here's my config file. > > > > > > > > dumpcycle 0 weeks # the number of days in the normal dump cycle > > > > runspercycle 1 # the number of amdump runs in dumpcycle days > > > > # (4 weeks * 5 amdump runs per week -- just > > > > weekdays) > > > > tapecycle 10 tapes # the number of tapes in rotation > > > > # 4 weeks (dumpcycle) times 5 tapes per week > > > > (just > > > > # the weekdays) plus a few to handle errors that > > > > > > > > > > Think of tapecycle as how many "different" tapes amanda must use > > > before it will reuse the first one. In your setup, it looks like > > > full backups every run, tapecycle is as critical as a setup doing > > > mixed full and incrementals. Set it to whatever you want, or are > > > comfortable, having amanda not overwrite before being allowed to > > > reuse. If you want the last 10 full dumps to be sure to be around, > > > then set it to 10. If the last 5 is comfortable, you can set it > > > to 5, but still use 10 tapes. Amanda will only check that at least > > > 5 are still the most recent. > > > I just want to make certain I'm not confusing > your intent because of terminology. > > You want to "pull" the monthly tape and > "relabel the tape you pulled". > > That second part (relabelling) is a different tape, > right? If so, it is not "relabelling" but just > an initial label for that tape. > > Now, if you mean to use the same label as the one > pulled, think twice. Amanda keeps indexes of what > is on a tape. If you use the same label as the > pulled tape, then you will soon lose the index > for the pulled tape (when the new tape is used). > > Instead, when you pull a tape, mark it a "no-reuse". > The index will be retained. But the new tape will > need to have a different label. > > In fact, you could label up 22 tapes, 10 for cycling, > 12 in anticipation of pulling monthly for a year. > Your tapecycle could be set to 10, and you could > cycle through your first 10, or all 22. Amanda will > still ensure that the most recently used 10 are not > overwritten. Monthly, just pull whichever of the > 22 was used. You will have a "hole" in your tape > cycle, but amanda won't care. > > But maybe the human (you) will :)) If so, set your > label scheme up to be something like DS-xx.y where > xx is your ordering sequence and y is which replac- > ment. Maybe you label up DS-01.0 to DS-10.0. At > the end of the month, say you have to "pull" DS-05.0 > Mark it as no-reuse and label up a new DS-05.1. This > preserves your ordering and tells you it is a tape > not in the initial cycle. Might be important for > some tapes (eg. DAT) which have a fairly short life. > > Just some ideas. > > jl -- Unix/ Linux Systems Administrator Chuck Amadi The Surgical Material Testing Laboratory (SMTL), Princess of Wales Hospital Coity Road Bridgend, United Kingdom, CF31 1RQ. Email chuck.smtl.co.uk Tel: +44 1656 752820 Fax: +44 1656 752830
