redundant arrays of inexpensive disks

Ngày tải lên: 15/03/2014, 17:20

... drawback of RAID is that actual disk utilization is only 50% as half of the disks are utilized for mirroring  Redundant Array Of Inexpensive Disks (RAID) - Technical Paper - Page Redundant Array Of ... a minimum of two disks of equal size to be implemented If one disk is larger than the other, created RAID device will be of the size of smallest disk Data is duplicated in both the disks On disk ... provides faster recovery of data as well However the cost of implementing mirroring is quite high as half of the total number of disks is wasted 2.5 Striping: Striping is process of breaking data into...

Ngày tải lên: 18/09/2012, 14:04

... bar to view the full image Hình 11 Hộp thoại Step of xuất hiện, chọn đĩa nguồn cho RAID nhấn chuột vào nút Next (Hình 12) Hình 12 Hộp thoại Step of xuất hiện, đặt tên cho RAID mục Select Name (tối ... RAID tất liệu ổ đĩa cứng bị xóa sạch, bạn chấp nhận nhấn Yes (Hình 14) Hình 14 Hộp thoại Step of xuất bạn nhấn nút Migrate (Hình 15) Hình 15 Quá trình tạo RAID lâu, khoảng hai hoàn tất xuất...

Ngày tải lên: 29/07/2014, 03:20

... cung c p sách báo c lưu tr r ng rãi Internet Trong vi t ã tìm hi u v công ngh Raid (Redundant Array of Independent Disks) - M ng D Phòng T o Nên T Các ĩa c L p Ch c c a công ngh sau: Trong công vi ... HI U CÔNG NGH RAID A TÌM HI U CÔNG NGH RAID I RAID LÀ GÌ? - RAID ch vi t t t c a Redundant Array of Independent Disks Ban u, RAID c s d ng m t gi i pháp phòng h cho phép ghi d li u lên nhi u ĩa ... khai RAID có hai lo i Hardware RAID Software RAID H u li u h t máy ch u s d ng Hardware RAID có nhi u tính cao c p Trong vi t s trình bày cách thi t l p Software RAID Windows m b o an toàn Server...

Ngày tải lên: 27/08/2012, 09:03

... required? Arrays of structures • Declaring arrays of int: int x [10]; • Declaring arrays of structure: struct point p[10]; • Initializing arrays of int: int x [4]={0,20,10,2}; • Initializing arrays of ... structure is a collection of related variables (of possibly different types) grouped together under a single name This is a an example of composition–building complex structures out of simple ones Examples: ... [3]={0,1,10,20,30,12}; struct point p [3]={{0,1},{10,20},{30,12}}; Size of structures • The size of a structure is greater than or equal to the sum of the sizes of its members • Alignment s t r u c t { char c ; /...

Ngày tải lên: 25/04/2013, 08:07

... Drosophila, the mechanism of translational control is not well understood because of the lack of detailed information about the functional contribution of individual components of the translational ... detailed comparison of the sequences of each group of cDNAs with the genomic sequence supported the expression pattern of the eIF4B gene as proposed in Fig 1A The existence of one canonical polyadenylation ... Dm-eIF4B-L isoform of 459 amino acids (52.2 kDa) and a Dm-eIF4B-S isoform of 390 amino acids (44.2 kDa) Interestingly, the two polypeptides share the first 389 amino acids, as the last amino acid of Dm-eIF4B-S...

Ngày tải lên: 07/03/2014, 15:20

... (99.9% purity) is of great importance for the growth of these unique structures in view of Fig XPS spectra of SiOx sample (a) Si2p and (b) O1s Fig Typical TEM photograph of a bundle of SiOx nanowires, ... that a lot of uniform dome-like Fig EDX spectra of SiOx nanowire bundles (a) and of the spacing region between self-assembly units (b), clearly suggesting the existence of a small amount of Ga on ... some SiOx bundles were grown, while not well-aligned 2D arrays Hence, the relative placement of Si Fig SEM images of 2D close-packed arrays of SiOx nanowire bundles grown by adjusting the preparation...

Ngày tải lên: 16/03/2014, 15:11

... SEM images of ATO NT after ultrasonic cleaning: (a) top view and (b) side view The inset of (a) shows the enlarged pattern of the ATO NT arrays Figure Length of ATO NT (L) as a function of anodization ... durations Figure shows the variation of length of TiO2 NT as a function of period of anodization (the corresponding SEM images of each datum showing the lengths of the tubes are given in the Supporting ... deionized water containing a small proportion of Al2O3 particles of average size 300 nm Parts a and b of Figure show top and side views of SEM images of ATO films after ultrasonic cleaning that completely...

Ngày tải lên: 19/03/2014, 16:48

... properties of the nanofluid, the viscosity of the nanofluids was measured and compared with that of the DI water Figure shows the measured Figure Viscous properties of nanofluids and DI water Page of ... fraction of nanoparticles in nanofluid is small Based on the measured viscosity and thermal conductivity of the nanofluids, the physical properties of gold nanofluid are almost the same as those of ... greater viscosity of the nanofluid The measured values of the thermal conductivity of nanofluids and DI water are also listed in Table The thermal conductivity of nanofluid with gold nanoparticles...

Ngày tải lên: 20/06/2014, 22:20

... main purpose of this article is to study the strong limit theorems for arrays of rowwise NOD random variables As an application, the Chung-type strong law of large numbers for arrays of rowwise ... Shen Journal of Inequalities and Applications 2011, 2011:93 http://www.journalofinequalitiesandapplications.com/content/2011/1/93 Page of 10 which implies (2.6) This completes the proof of the theorem ... strong law of large numbers for arrays of rowwise NOD random variables Corollary 2.5 Let {Xni, i ≥ 1, n ≥ 1} be an array of rowwise NOD random variables and {an, n ≥ 1} be a sequence of positive...

Ngày tải lên: 20/06/2014, 22:20

... than Theorem 1.4 Sung Journal of Inequalities and Applications 2011, 2011:76 http://www.journalofinequalitiesandapplications.com/content/2011/1/76 Page of Proof of Theorem 1.4 Note that m P (Xni ... Journal of Inequalities and Applications 2011, 2011:76 http://www.journalofinequalitiesandapplications.com/content/2011/1/76 Page of Then ∞ an P(max1≤m≤kn | m Xni | > ) < ∞ for all  > n=1 i=1 Proof ... I(|Xni | ≤ δ) − EXni I(|Xni | ≤ δ)) > max 1≤m≤kn i=1 The rest of the proof is same as that of Theorem 1.6 except using Theorem 2.6 instead of Theorem 2.4 and is omitted ■ Acknowledgments The author...

Ngày tải lên: 20/06/2014, 22:20

... process of array of microboats of Cu on glass substrate The wall thickness of microboats is dependent on the thickness of the deposited film, while the height is dependent on the thickness (l1) of ... thickness (l2) of the deposited Cu film: h = l1-l2 Figure 2d shows an array of Cu microboats Figure 2e shows an array of Cu microbowls with a high magnification SEM image of one of the microbowls ... http://www.nanoscalereslett.com/content/6/1/86 Page of design of the study and discussion of growth mechanism of CuO nanowires NX participated in the design of the study, and critically revised the manuscript...

Ngày tải lên: 21/06/2014, 06:20

... Theorem 2.1 extends some results of Kuczmaszewska 17 to the case of arrays of rowwise ρ-mixing sequence and generalizes the results of Kuczmaszewska 16 to the case of maximum weighted sums Remark ... respectively, not −q/t in Theorem 2.1 of Kuczmaszewska 17 Now, we give the proof of Theorem 2.1 4 Journal of Inequalities and Applications Proof The conclusion of the theorem is obvious if consider ... convergence for arrays of rowwise ρ-mixing sequence under some suitable conditions using the techniques of Kuczmaszewska 16, 17 We consider the case of complete convergence of maximum weighted...

Ngày tải lên: 21/06/2014, 07:20

... images of uniform HCP arrays of nanoholes with controlled different hole’s diameters and periods in the photoresist Fig SEM images of (a) a gold nanostructure with a thickness of 70 nm by lift-off ... humidity, and the concentration of spheres Figure 3b shows the top view of SEM images of the developed photoresist The diameter of the holes is about 250 nm The periodicity of these holes is 0.97 lm: ... Two kinds of photoresists, AZ 5214-E and Shipley 1805, and two types of spheres, silica and PS, were used to form HCP arrays on top of the photoresist About 10 wt.% aqueous suspensions of transparent...

Ngày tải lên: 21/06/2014, 22:20

... view of main memory The primary advantage of the traditional cache scheme is ease of programming Because caches are managed by hardware, programs address a single large address space Movement of ... number of memory modules integrated into an array of a particular size, and is determined by the size of the array, available die area, and application requirements Typically, the number of memory ... degree, the level of configurability required in the interconnect is a function of the number of processors in the array, and their distances from the memory module For small arrays, hardwired...

Ngày tải lên: 22/06/2014, 19:20

... estimation of reverberation time,” Journal of the Acoustical Society of America, vol 112, no 6, pp 2583– 2588, 2002 [11] G Marsaglia, “Ratios of normal variables,” Journal of Statistical Software, ... m0 , − r0 = cτ a , (8) where c is the speed of sound in air Using any one of a variety of time-delay estimation techniques, we may obtain an estimate of the relative intersensor time-delay, τ a ... the results of our analysis have implications for implementations of the Range-Finder using any number of microphones To obtain accurate range estimates, we require access to a minimum of three...

Ngày tải lên: 22/06/2014, 19:20

... sum of ran- p Banach space, Journal of Multivariate Analysis, Convergence of randomly weighted sums of Banach- space-valued random elements under some conditions of uniform integrability, of Mathematical ... is of Rademacher type p for some < p 2, then it is of Rademacher type r for all r < p Every real separable Banach space is of Rademacher type (at least) while the Lp -space and lp -space are of ... Linear Space, [7] L V Thanh, Mean convergence theorems and weak laws of large numbers for double arrays of random variables, Journal of Applied Mathemmatics and Stochastic Analysis, 2006, 1-15 Tóm...

Ngày tải lên: 23/07/2014, 14:21

... packings of 11 disks (t11a), of 12 disks (t12a), and of 13 disks (t13a) t40a 0.129331793710034 t60a 108 bonds 0.102753265449690 Figure 5.2: The best packings of 40 disks (t40a) and 60 disks (t60a) ... for the maze of published dense packings 4∆(k) The best packing (we found) of 24 = 4∆(3) disks in Fig 3.3 consists of four triangles, each with ∆(3) = disks The best packings of 12 disks (in [M1]) ... favor of the existence of a countable infinity of distinct tight classes We believe that if each densest packing of n disks for n = n(1), n(2), n(k), , consists of a fixed number, say r, of densely...

Ngày tải lên: 07/08/2014, 06:20

... densest packings found of 60 and 61 disks and inferior packings of 62, 72, and 78 disks 13 the electronic journal of combinatorics (1996), #R16 10 4 disks 10 disks m = 0.70710678118655 12 bonds ... 20 28 18 disks 78 disks m = 0.30046260628867 38 bonds m = 0.13046077259640 not a rigid packing Figure 2.9: The densest packings of 5, 10, 13, and 18 disks, an inferior packing of 10 disks, and ... yields value of m = 1/6 which is smaller than the experimental diameter of the challenger packing of 49 disks in Fig 2.6 n = k2 − The pattern can be viewed as a square of (k − 1)2 disks arranged...

Ngày tải lên: 07/08/2014, 06:20

... example is the pair of disks 30 and 38 in the improved packing of 50 disks shown at the bottom left in Fig 2.2 The distance between these disks is positive (equal to 0.272038E02 of the disk diameter), ... journal of combinatorics (2000),#R46 are n ≤ 27, and these proofs involve substantial computation as the value of n increases, and the examination of an exponentially increasing number of cases ... number of guesses would have to be made as to where bonds might be, before applying either of the aforementioned procedures to each guess Another method (also not a proof!) of convincing oneself of...

Ngày tải lên: 07/08/2014, 06:20