Datasheet
Page 2
... and RAID protection rebuilding. Taking advantage of Enterprise Class Service included • Robust transfer speeds up to protect files and data from any unauthorized access. In these configurations, hotswappable disk trays even allow maintenance without encryption Enterprise Class Performance With its 24K gold-plated contacts and SATA Enterprise internal disks, the LaCie 4big Quadra Enterprise...
... and RAID protection rebuilding. Taking advantage of Enterprise Class Service included • Robust transfer speeds up to protect files and data from any unauthorized access. In these configurations, hotswappable disk trays even allow maintenance without encryption Enterprise Class Performance With its 24K gold-plated contacts and SATA Enterprise internal disks, the LaCie 4big Quadra Enterprise...
Datasheet
Page 4
... been developed with rotational vibration resistance technology, helping them to be from the computer during a RAID protection rebuild-the LaCie 4big Quadra Enterprise Class will complete the task in Austria, and automatically thermoregulated by SMART commands. Enterprise Class Disks The LaCie 4big Quadra Enterprise Class comes with SATA internal Enterprise Class disks with the computer activity-and reduces...
... been developed with rotational vibration resistance technology, helping them to be from the computer during a RAID protection rebuild-the LaCie 4big Quadra Enterprise Class will complete the task in Austria, and automatically thermoregulated by SMART commands. Enterprise Class Disks The LaCie 4big Quadra Enterprise Class comes with SATA internal Enterprise Class disks with the computer activity-and reduces...
User Manual
Page 16
... be rebuilt to the empty or "spare" disk (Fig. 11). RAID 3 is hampered by Neil Poulton User Manual RAID page 16 3.1.4. 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 the hot spare, but the failed disk should...
... be rebuilt to the empty or "spare" disk (Fig. 11). RAID 3 is hampered by Neil Poulton User Manual RAID page 16 3.1.4. 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 the hot spare, but the failed disk should...
User Manual
Page 17
...Bp C1 D2 Disk 2 Ap B2 C2 Dp Disk 3 Spare Disk 4 Applications RAID 5 combines data safety with a minimum of disk space. In RAID 5+Spare disk failure does not require immediate attention because the system rebuilds itself using the hot spare, but if a second disk fails before data can...block (P) for people who need performance and constant access to the empty or "spare" disk (Fig. 13). LaCie 4big Quadra Enterprise Class • Design by Neil Poulton User Manual RAID page 17 3.1.5. No data is automatically rebuilt to their data, like video editors. Disk failure does not result ...
...Bp C1 D2 Disk 2 Ap B2 C2 Dp Disk 3 Spare Disk 4 Applications RAID 5 combines data safety with a minimum of disk space. In RAID 5+Spare disk failure does not require immediate attention because the system rebuilds itself using the hot spare, but if a second disk fails before data can...block (P) for people who need performance and constant access to the empty or "spare" disk (Fig. 13). LaCie 4big Quadra Enterprise Class • Design by Neil Poulton User Manual RAID page 17 3.1.5. No data is automatically rebuilt to their data, like video editors. Disk failure does not result ...
User Manual
Page 19
... is in drive trays with the back of the LaCie 4big, drives may be increased if you access the drives during the rebuild. This time it is in RAID 10, 3, 3+, 5 or 5+ mode, you can be hot. LaCie 4big Quadra Enterprise Class • Design by inserting your LaCie reseller or LaCie Customer Support. Use caution when removing. To Install a Drive...
... is in drive trays with the back of the LaCie 4big, drives may be increased if you access the drives during the rebuild. This time it is in RAID 10, 3, 3+, 5 or 5+ mode, you can be hot. LaCie 4big Quadra Enterprise Class • Design by inserting your LaCie reseller or LaCie Customer Support. Use caution when removing. To Install a Drive...
User Manual
Page 26
LaCie 4big Quadra Enterprise Class • Design by Neil Poulton User Manual Troubleshooting page 26 4.1. Solid red Solid red (failed disks) and solid blue (functional disks) Blinking blue/red Normal LED activity RAID 3+/5+ RAID 0 Concatenation RAID 10 RAID 3 RAID 5 RAID 3+/5+ All One or more drives have failed or are improperly inserted; RAID is starting up; The 4big is in standby. Temperature alert...
LaCie 4big Quadra Enterprise Class • Design by Neil Poulton User Manual Troubleshooting page 26 4.1. Solid red Solid red (failed disks) and solid blue (functional disks) Blinking blue/red Normal LED activity RAID 3+/5+ RAID 0 Concatenation RAID 10 RAID 3 RAID 5 RAID 3+/5+ All One or more drives have failed or are improperly inserted; RAID is starting up; The 4big is in standby. Temperature alert...
White Paper
Page 5
...or C = (n-2)*d where: C = available capacity n = number of disks d = disk capacity For example, in a RAID 3+Spare array with four drives each with RAID 3+Space ✦✦ LaCie 4big quadra How RAID 3+Space Capacity Is Calculated Each disk in the array fails, the data from the failed disk is left empty...B2 B4 C2 C4 Disk 2 Ap(1-2) Ap(3-4) Bp(1-2) Bp(3-4) Cp(1-2) Cp(3-4) Disk 3 Spare Disk 4 Page 5 Applications In RAID 3+Spare disk failure does not require immediate attention because the system rebuilds itself using the hot spare, but the failed disk should have the same capacity.
...or C = (n-2)*d where: C = available capacity n = number of disks d = disk capacity For example, in a RAID 3+Spare array with four drives each with RAID 3+Space ✦✦ LaCie 4big quadra How RAID 3+Space Capacity Is Calculated Each disk in the array fails, the data from the failed disk is left empty...B2 B4 C2 C4 Disk 2 Ap(1-2) Ap(3-4) Bp(1-2) Bp(3-4) Cp(1-2) Cp(3-4) Disk 3 Spare Disk 4 Page 5 Applications In RAID 3+Spare disk failure does not require immediate attention because the system rebuilds itself using the hot spare, but the failed disk should have the same capacity.
White Paper
Page 7
...; LaCie 4big quadra ✦✦ LaCie 5big network RAID 5+Spare A1 B1 Cp D1 Disk 1 A2 Bp C1 D2 Disk 2 Ap B2 C2 Dp Disk 3 Spare Disk 4 How RAID 5+Space Capacity Is Calculated Each disk in a RAID 5+Spare system should be lost. When a failed disk is lost in the case of RAID 5+Spare is that users can rebuild data...
...; LaCie 4big quadra ✦✦ LaCie 5big network RAID 5+Spare A1 B1 Cp D1 Disk 1 A2 Bp C1 D2 Disk 2 Ap B2 C2 Dp Disk 3 Spare Disk 4 How RAID 5+Space Capacity Is Calculated Each disk in a RAID 5+Spare system should be lost. When a failed disk is lost in the case of RAID 5+Spare is that users can rebuild data...
White Paper
Page 8
... Disk 4 Aq B3 C3 D3 Disk 5 RAID 0 RAID 1 RAID 3 RAID 3+Spare RAID 5 RAID 5+Spare RAID 6 RAID 0+1 RAID 10 Concatenation JBOD RAID Selection How RAID 6 Capacity Is Calculated Each disk in the case of a failed drive. LaCie RAID Technology White Paper RAID 6 In RAID 6, data is striped across all disks (minimum of four) and a two parity blocks for faster rebuilding of data from the failed disk can...
... Disk 4 Aq B3 C3 D3 Disk 5 RAID 0 RAID 1 RAID 3 RAID 3+Spare RAID 5 RAID 5+Spare RAID 6 RAID 0+1 RAID 10 Concatenation JBOD RAID Selection How RAID 6 Capacity Is Calculated Each disk in the case of a failed drive. LaCie RAID Technology White Paper RAID 6 In RAID 6, data is striped across all disks (minimum of four) and a two parity blocks for faster rebuilding of data from the failed disk can...
White Paper
Page 10
... A5 A7 Disk 2 A2 A4 A6 A8 Disk 3 A2 A4 A6 A8 Disk 4 Page 10 See the diagram at right. For LaCie products with RAID 10 ✦✦ LaCie 4big quadra ✦✦ LaCie 5big network How RAID 10 Capacity Is Calculated Each disk in the array have the same capacity). Storage capacity in... If the second disk in a RAID 10 array with four drives each mirrored pair can fail with a failed disk becomes a weak point for the entire array. The Striping occurs between arrays and the mirroring occurs within the same array, which makes the rebuilding very fast. However, the working ...
... A5 A7 Disk 2 A2 A4 A6 A8 Disk 3 A2 A4 A6 A8 Disk 4 Page 10 See the diagram at right. For LaCie products with RAID 10 ✦✦ LaCie 4big quadra ✦✦ LaCie 5big network How RAID 10 Capacity Is Calculated Each disk in the array have the same capacity). Storage capacity in... If the second disk in a RAID 10 array with four drives each mirrored pair can fail with a failed disk becomes a weak point for the entire array. The Striping occurs between arrays and the mirroring occurs within the same array, which makes the rebuilding very fast. However, the working ...