User Manual
Page 14
...3.1. Requiring at least 2 drives, RAID 0 stripes data onto each disk are added together so that one physical disk in some LaCie devices), is selected) Speed 3.1.1. If one logical volume mounts on the computer. Video editors working with very large files may use RAID 0 when editing multiple streams of video for users who...suited for actively working with files (editing video, for your application. A RAID 0 array is right for example) and should not be used as a storage backup. LaCie 4big Quadra Enterprise Class • Design by Neil Poulton User Manual RAID page 14 3.
...3.1. Requiring at least 2 drives, RAID 0 stripes data onto each disk are added together so that one physical disk in some LaCie devices), is selected) Speed 3.1.1. If one logical volume mounts on the computer. Video editors working with very large files may use RAID 0 when editing multiple streams of video for users who...suited for actively working with files (editing video, for your application. A RAID 0 array is right for example) and should not be used as a storage backup. LaCie 4big Quadra Enterprise Class • Design by Neil Poulton User Manual RAID page 14 3.
User Manual
Page 16
...access to a replacement drive, all data in the array will be lost. If one disk in Fig. 10 and Fig. 11) so that one volume mounts on the computer. In RAID 3+Spare, one physical disk fails, the data from the failed disk can be rebuilt onto a replacement disk. RAID 3 ...automatically rebuilt to the empty or "spare" disk (Fig. 11). Disk failure does not result in the array fails, the data from parity blocks. LaCie 4big Quadra Enterprise Class • Design by the dedicated parity disk In RAID 3+Spare disk failure does not require immediate attention because the system rebuilds itself using...
...access to a replacement drive, all data in the array will be lost. If one disk in Fig. 10 and Fig. 11) so that one volume mounts on the computer. In RAID 3+Spare, one physical disk fails, the data from the failed disk can be rebuilt onto a replacement disk. RAID 3 ...automatically rebuilt to the empty or "spare" disk (Fig. 11). Disk failure does not result in the array fails, the data from parity blocks. LaCie 4big Quadra Enterprise Class • Design by the dedicated parity disk In RAID 3+Spare disk failure does not require immediate attention because the system rebuilds itself using...
Quick Install Guide
Page 7
...). 4. 3. LaCie 4big Quadra Enterprise Class comes with four 3.5" SATA II Enterprise-class hard disks installed. The disks are formatted in My Computer (Windows) or on the next page. 6. Back up data before using the 4big Quadra. NOTE: LaCie Enterprise Class encryption offers a very high level of the encryption, data recovery will not be reformatted, which will mount...
...). 4. 3. LaCie 4big Quadra Enterprise Class comes with four 3.5" SATA II Enterprise-class hard disks installed. The disks are formatted in My Computer (Windows) or on the next page. 6. Back up data before using the 4big Quadra. NOTE: LaCie Enterprise Class encryption offers a very high level of the encryption, data recovery will not be reformatted, which will mount...
White Paper
Page 2
...inaccessible because parts of video for example) and should have been written to all disks. If one logical volume mounts on mission critical systems. LaCie Products with files (editing video, for optimal playback performance. Storage capacity in a RAID level 0 configuration is...four drives each disk. Video editors working with RAID 0 ✦✦ LaCie 2big quadra ✦✦ LaCie 4big quadra ✦✦ LaCie big disk quadra (built-in) ✦✦ LaCie little big disk quadra (built-in) ✦✦ LaCie 5big network RAID 0 A1 B1 C1 D1 Disk 1 A2 B2 C2 D2...
...inaccessible because parts of video for example) and should have been written to all disks. If one logical volume mounts on mission critical systems. LaCie Products with files (editing video, for optimal playback performance. Storage capacity in a RAID level 0 configuration is...four drives each disk. Video editors working with RAID 0 ✦✦ LaCie 2big quadra ✦✦ LaCie 4big quadra ✦✦ LaCie big disk quadra (built-in) ✦✦ LaCie little big disk quadra (built-in) ✦✦ LaCie 5big network RAID 0 A1 B1 C1 D1 Disk 1 A2 B2 C2 D2...
White Paper
Page 3
...RAID 1 (also called SAFE mode in some LaCie devices) is a secure RAID mode that requires at least 2 drives and works with a capacity of 1000GB, the total capacity of the array would be 2000GB: C = (4*1000)/2 Page 3 One logical volume mounts on the second disk. If one disk fails... of drives by the disk capacity and dividing by 2, or C = n*d/2 where: C = available capacity n = number of drives. LaCie Products with RAID 1 ✦✦ LaCie 2big quadra ✦✦ LaCie 2big network RAID 1 A1 A1 B1 B1 C1 C1 D1 D1 E1 E1 RAID 0 RAID 1 RAID 3 RAID 3+Spare RAID 5 RAID...
...RAID 1 (also called SAFE mode in some LaCie devices) is a secure RAID mode that requires at least 2 drives and works with a capacity of 1000GB, the total capacity of the array would be 2000GB: C = (4*1000)/2 Page 3 One logical volume mounts on the second disk. If one disk fails... of drives by the disk capacity and dividing by 2, or C = n*d/2 where: C = available capacity n = number of drives. LaCie Products with RAID 1 ✦✦ LaCie 2big quadra ✦✦ LaCie 2big network RAID 1 A1 A1 B1 B1 C1 C1 D1 D1 E1 E1 RAID 0 RAID 1 RAID 3 RAID 3+Spare RAID 5 RAID...
White Paper
Page 4
...for people who need performance and constant access to a replacement drive, all data in a RAID 3 array with four drives each with RAID 3 ✦✦ LaCie 4big quadra RAID 3 A1 A4 B1 B4 C1 C4 Disk 1 A2 A5 B2 B5 C2 C5 Disk 2 A3 A6 B3 B6 C3 C6 Disk 3 Ap(1-3) Ap(4-6)...by the dedicated parity disk. RAID 3 is not recommended for environments where long, sequential files are being read, such as video files. If one volume mounts on the computer. Applications RAID 3 provides good data safety for intensive use with a dedicated parity disk (Disk 4 in the illustrations, right) so ...
...for people who need performance and constant access to a replacement drive, all data in a RAID 3 array with four drives each with RAID 3 ✦✦ LaCie 4big quadra RAID 3 A1 A4 B1 B4 C1 C4 Disk 1 A2 A5 B2 B5 C2 C5 Disk 2 A3 A6 B3 B6 C3 C6 Disk 3 Ap(1-3) Ap(4-6)...by the dedicated parity disk. RAID 3 is not recommended for environments where long, sequential files are being read, such as video files. If one volume mounts on the computer. Applications RAID 3 provides good data safety for intensive use with a dedicated parity disk (Disk 4 in the illustrations, right) so ...
White Paper
Page 12
... would be 4000GB: C = (4*1000) A B C D Disk 1 E F G H Disk 2 I J K L Disk 3 M N O P Disk 4 Page 12 LaCie Products with JBOD Mode ✦✦ Currently, no LaCie products JBOD How JBOD Capacity Is Calculated The total capacity of a JBOD array is the sum of the capacities of each... of its disks, or C = n*d where: C = available capacity n = number of disks d = disk capacity For example, in the array, whether part of separate devices or the same device, mounts...
... would be 4000GB: C = (4*1000) A B C D Disk 1 E F G H Disk 2 I J K L Disk 3 M N O P Disk 4 Page 12 LaCie Products with JBOD Mode ✦✦ Currently, no LaCie products JBOD How JBOD Capacity Is Calculated The total capacity of a JBOD array is the sum of the capacities of each... of its disks, or C = n*d where: C = available capacity n = number of disks d = disk capacity For example, in the array, whether part of separate devices or the same device, mounts...