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Total 15 documents matching your query.

1. Formula to calculate # tapes required (score: 1): Author: "<James> <healy>" <James.Healy2 AT AXACS DOT COM>; Date: Thu, 15 Feb 2001 15:34:02 -0500; Does any one out there have a formula they use to calculate the number of tapes they will use for an instance of TSM I've tried to start with 1) size of file systems to backup x 1 because you have at; /lists/html/ADSM-L/2001-02/msg00620.html (10,179 bytes)
2. Re: Formula to calculate # tapes required (score: 1): Author: George Lesho <glesho AT AFCE DOT COM>; Date: Thu, 15 Feb 2001 14:55:57 -0600; James... this is thorny issue considering the cost of these tapes. I use Magstar MP C-Format XL tapes and these guys cost about $75 a pop. Be conservative when ordering and get more than you think yo; /lists/html/ADSM-L/2001-02/msg00622.html (13,397 bytes)
3. Re: Formula to calculate # tapes required (score: 1): Author: "<James> <healy>" <James.Healy2 AT AXACS DOT COM>; Date: Thu, 15 Feb 2001 16:20:10 -0500; George, Richard, Thanks for the responses. But I have 7 instances of TSM running, all implemented last year. A consulting team calculated how much capacity we would need and proposed it to management; /lists/html/ADSM-L/2001-02/msg00628.html (14,595 bytes)
4. Re: Formula to calculate # tapes required (score: 1): Author: David Longo <David.Longo AT HEALTH-FIRST DOT ORG>; Date: Thu, 15 Feb 2001 16:27:41 -0500; I think most *SM sites consume more tapes than they thought. I think the formula you want is the one they use to calculate how long a Software project will take to complete!!! David B. Longo System A; /lists/html/ADSM-L/2001-02/msg00631.html (17,187 bytes)
5. Re: Formula to calculate # tapes required (score: 1): Author: George Lesho <glesho AT AFCE DOT COM>; Date: Thu, 15 Feb 2001 15:33:15 -0600; James, Thanks for that... it made me feel a lot better about my own situation ;-) Hopefully the end users will be able to bend some with regard to their potential restore requirements. If you have be; /lists/html/ADSM-L/2001-02/msg00632.html (15,593 bytes)
6. Re: Formula to calculate # tapes required (score: 1): Author: "Prather, Wanda" <Wanda.Prather AT JHUAPL DOT EDU>; Date: Thu, 15 Feb 2001 16:50:52 -0500; I think the reason most people underestimate tape requirements is, they assume that if you have 20 GB of data to back up, you need 20GB of tape to store it. With TSM (unlike the backup systems that j; /lists/html/ADSM-L/2001-02/msg00635.html (11,201 bytes)
7. Re: Formula to calculate # tapes required (score: 1): Author: Ray Pratts <rpratts AT SWBELL DOT NET>; Date: Thu, 15 Feb 2001 16:42:52 -0600; Take a look at the redbook Getting Started with Tivoli Storage Manager: Implementation Guide. It tells you how to calculate the number of tapes.; /lists/html/ADSM-L/2001-02/msg00637.html (10,642 bytes)
8. Re: Formula to calculate # tapes required (score: 1): Author: Paul Zarnowski <vkm AT CORNELLC.CIT.CORNELL DOT EDU>; Date: Thu, 15 Feb 2001 18:36:34 -0500; Need to back up xxx TB Divid by the number of GB that will fit on a tape. Adjust as you have suggested for extra versions Divide by .65 on the assumption that the not-yet-reclaimed tapes will be, on; /lists/html/ADSM-L/2001-02/msg00640.html (11,321 bytes)
9. Re: Formula to calculate # tapes required (score: 1): Author: Glen Churchfield <gchurchf AT BWC.STATE.OH DOT US>; Date: Fri, 16 Feb 2001 08:03:34 -0500; I'll agree. When I built this backup solution about 9 months ago, I had the benefit of extensive analysis from their Arcserve system of the number of files, the total data, and the change per day to; /lists/html/ADSM-L/2001-02/msg00647.html (10,404 bytes)
10. Re: Formula to calculate # tapes required (score: 1): Author: Joe Faracchio <brother AT SOCRATES.BERKELEY DOT EDU>; Date: Fri, 16 Feb 2001 10:22:01 -0800; I would add to this an amount of tapes for 'cycling' We do not recall the offsite tapes that have "just' been reclaimed but put it off for another week so that the tapes they are replacing are alread; /lists/html/ADSM-L/2001-02/msg00660.html (12,834 bytes)
11. Re: Formula to calculate # tapes required (score: 1): Author: Joe Faracchio <brother AT SOCRATES.BERKELEY DOT EDU>; Date: Fri, 16 Feb 2001 11:11:30 -0800; And further more ..... I factor in the need for 15 scratch tapes at all times for onsite reclamation during the weekday and offsite reclamation on weekends. For me that's about 10% of 1 frame (220) s; /lists/html/ADSM-L/2001-02/msg00665.html (10,398 bytes)
12. Re: Formula to calculate # tapes required (score: 1): Author: George Lesho <glesho AT AFCE DOT COM>; Date: Fri, 16 Feb 2001 13:26:17 -0600; The effect of compression is not linear if you are compressing various types of data. To illustrate: 00E3A9 BKTPOOL1 3575DEVC1 36,598.5 100.0 Full 00E390 BKTPOOL1 3575DEVC1 6,794.6 100.0 Full Both vo; /lists/html/ADSM-L/2001-02/msg00667.html (11,749 bytes)
13. Re: Formula to calculate # tapes required (score: 1): Author: "Prather, Wanda" <Wanda.Prather AT JHUAPL DOT EDU>; Date: Fri, 16 Feb 2001 15:01:11 -0500; I agree. Here is a query that will do it for you: select stgpool_name as stgpool, cast(mean(est_capacity_MB/1024) as decimal(5,2)) as gb_per_FULL_vol from volumes where status='FULL' group by stgpool; /lists/html/ADSM-L/2001-02/msg00673.html (9,784 bytes)
14. Re: Formula to calculate # tapes required (score: 1): Author: George Lesho <glesho AT AFCE DOT COM>; Date: Fri, 16 Feb 2001 14:34:31 -0600; That's a great beginning to figuring out how many tapes you will need. If your backup/archive schedules have not changed for a month... suggest doing: q actl begindate=-30 search=ANR1214 Take the amo; /lists/html/ADSM-L/2001-02/msg00675.html (10,759 bytes)
15. Re: Formula to calculate # tapes required (score: 1): Author: George Lesho <glesho AT AFCE DOT COM>; Date: Fri, 16 Feb 2001 16:49:21 -0600; Ok *SMers... see if this holds water. In order to calculate your tape requirement. A given is that you do not add or delete a bunch of schedules during the previous month: 1. q actl begindate=-30 sea; /lists/html/ADSM-L/2001-02/msg00678.html (11,056 bytes)

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