diff --git a/doc/11b.md b/doc/11b.md new file mode 100644 index 0000000..732351e --- /dev/null +++ b/doc/11b.md @@ -0,0 +1,479 @@ +Project 11b - Hardware Specification v0.1 + +## 1. Requirements + +Annual amount of data: 11 billion QR codes, each 50kb - 200kb. +- **Total storage:** 550 TB - 2.2 PB per year +- **Import window:** 1/20 to 1/10 of year (18-36 days) +- **Write throughput:** 3,480 - 6,960 QR codes/sec sustained +- **Data rate during import:** 348 MB/s - 1.39 GB/s sustained +- **Peak burst (3x):** up to 21K QR codes/sec, 4 GB/s + +**Solution: 13 storage + 3 control/compute + 1 import node (JBOD + 3-replica, SINGLE RACK)** +- **Usable capacity:** 2.29 PB (covers ALL 11B QR codes at maximum 200KB size) +- **Raw capacity:** 6.86 PB (24 × 22TB × 13 storage nodes) +- **Aggregate IOPS:** ~1.25M (96K per node × 13, adequate for sequential QR storage) +- **Aggregate throughput:** 39 GB/s read, 19.5 GB/s write (exceeds 1.39 GB/s requirement) +- **Redundancy:** 3x replication (JBOD, software-managed, can tolerate 10 node failures) +- **Hardware (Lenovo + Huawei, RECOMMENDED):** + - 13x Lenovo ThinkSystem SR650 V2 storage nodes (24x 22TB SAS each) + - 3x Lenovo ThinkSystem SR630 V2 control/compute nodes (multi-purpose) + - 1x Lenovo ThinkSystem SR650 V2 import node (front-panel hot-plug: USB/NVMe/SATA/SAS) + - 2x Huawei CloudEngine 6800 switches (48-port 25GbE) +- **Import capability:** 10-32 GB/s physical media import (no internet bottleneck) +- **Cost (China, Lenovo+Huawei):** ¥1,973,000 CapEx (~$274K USD) +- **Note:** UPS excluded (out of project scope). Pricing based on Lenovo China and Huawei public pricing. +- **Fits in:** Single 42U rack (35U used, 7U for expansion) + +## 2. Hardware Configuration + +**Vendor: Lenovo (RECOMMENDED for China deployment)** +- **Servers:** Lenovo ThinkSystem SR650 V2 and SR630 V2 + - Global brand with excellent China presence + - 20-25% cheaper than Dell in China market + - Same Intel Xeon CPUs, enterprise-grade quality + - Public pricing available: ~¥95,000-120,000 per configured node +- **Networking:** Huawei CloudEngine 6800 + - Industry-leading in China market + - Public pricing: ~¥90,000 per 48-port 25GbE switch + - Better integration with China networks (China Telecom/Unicom/Mobile) +- **Management:** Lenovo XClarity Controller (IPMI/Redfish standard) +- **Support:** Lenovo China 4-hour onsite response +- **Drives:** Seagate Exos or WD Ultrastar (assembled in China, no import VAT) + +### 2.1 Rack Layout (SINGLE 42U Standard Rack) + +**Complete Deployment in One Rack (13 storage + 3 control/compute + 1 import node)** + +- **U1-U2:** 2x Huawei CloudEngine 6800-48S-EI switches (48-port 25GbE, redundant, CSS) +- **U3-U4:** 2x Domestic PDUs (20x C13, 4x C19 outlets, 208V 3-phase, A+B feeds) +- **U5-U30:** 13x Storage nodes (2U each, Lenovo ThinkSystem SR650 V2 with 24x 22TB SAS) + - 2.29 PB usable (covers all 11B QR codes at max 200KB size) +- **U31-U33:** 3x Control/Compute nodes (1U each, Lenovo ThinkSystem SR630 V2, multi-purpose) + - Runs: Ingestion workers, API servers, load balancers, control plane + - All services on all 3 nodes for redundancy +- **U34-U35:** 1x Import node (2U, Lenovo ThinkSystem SR650 V2, front-panel hot-plug for physical media) + - USB 3.2 / NVMe / SATA / SAS hot-plug bays + - Direct physical media import (no network bottleneck) +- **U36-U42:** Reserved for future expansion (7U available) + +**Total rack space used: 35U of 42U** + + +### 2.2 Network Design + +**Top-of-Rack Switches:** +- Model: Huawei CloudEngine 6800-48S-EI (RECOMMENDED) + - 48x 25GbE SFP28 ports + 6x 100GbE QSFP28 uplink ports + - 2x redundant PSU (AC/DC) + - 2x redundant fans + - VRP OS (Huawei Versatile Routing Platform) + - Public pricing: ~¥90,000 per switch in China + - Industry-leading in China market, 25% cheaper than Dell +- Configuration: + - CSS (Cluster Switch System) pair for redundancy + - LACP bonding for all server connections (2x25GbE per node) + - VLANs: Management (VLAN10), Storage (VLAN20), API (VLAN30) + - Jumbo frames enabled (MTU 9000) + +**Uplink:** +- 2x 100GbE fiber to core/distribution switches +- ECMP routing for load distribution + +**Cables:** +- DAC (Direct Attach Copper) Twinax for intra-rack (< 5m) +- OM4 MMF or SMF for inter-rack connections + +### 2.3 Power Design + +**Power Requirements (Single Rack - With Import Node: 13 storage + 3 compute + 1 import):** +- Storage nodes: 13 nodes × 500W = 6,500W (HDDs use much less power than NVMe) + - Each HDD: ~10W idle, ~12W active + - 24 HDDs per node: ~300W + - CPU + RAM + fans: ~200W +- Control/Compute nodes: 3 nodes × 600W = 1,800W + - Multi-purpose nodes running all services + - Higher CPU utilization but consolidated +- Import node: 1 node × 700W = 700W + - Higher power due to NVMe staging drives + multiple controllers + - Peak during import operations +- Network switches: 2 switches × 400W = 800W +- **Total: ~9,800W = 9.8 kW** +- **With 30% headroom: 12.7 kW single rack** + +**Power Summary:** +- Storage nodes: 6.5 kW (13 nodes × 500W) +- Control/Compute nodes: 1.8 kW (3 nodes × 600W) +- Import node: 0.7 kW (1 node × 700W) +- Network switches: 0.8 kW (2 switches × 400W) +- **Total: 9.8 kW (12.7 kW with 30% headroom)** + +**PDU Configuration (Single Rack - 13 Storage Nodes):** +- 2x Domestic Metered Rack PDU (redundant feeds, A+B power) + - Input: 208V 3-phase, 30A per PDU + - Capacity: 208V × 30A × 1.732 = 10.8 kVA per PDU (3-phase) + - Total: 21.6 kVA for rack (sufficient for 12.7 kW load with headroom) +- Each server: Dual PSU connected to separate PDUs (A+B feeds) + + +**Cooling (Single Rack - With Import Node, 13 Storage Nodes):** +- Heat dissipation: 12.7 kW × 3.41 = 43,307 BTU/hr (single rack) +- Requirement: Cooling capacity for 43,400 BTU/hr (~3.6 tons) +- Options: + - Use existing IT room CRAC/HVAC (if capacity available) + - Add 1x 20kW in-row cooling unit (¥40,000-50,000) + - Standard precision AC unit (4-5 ton capacity) +- No special containment needed for single rack + +### 2.4 Storage Node Specifications + +**Storage Capacity Planning:** +- Maximum requirement: 2.2 PB per year +- Replication strategy affects raw capacity needs: + - RAID 10 + 2x replication: 4.4 PB raw (complex, dual-layer redundancy) + - JBOD + 3x replication: 6.6 PB raw (simpler, software-only redundancy) + +**Architecture Choice: JBOD vs RAID** + +**JBOD + 3-replica (RECOMMENDED for software simplicity):** +- No RAID controller complexity +- Software handles all redundancy (Ceph, MinIO, etc.) +- Each drive independent, easier failure recovery +- Better performance observability +- Standard approach for distributed storage +- Easier rebalancing and maintenance + +**RAID 10 + 2-replica (traditional approach):** +- Hardware RAID provides local redundancy +- Lower network replication traffic +- Faster local reads (RAID striping) +- More complex failure scenarios (RAID + cluster) +- RAID rebuild overhead on drive failure + +**Storage Node: 13 nodes with 22TB SAS HDD + JBOD + 3-replica (covers all 11B QR codes)** + +**Model: Lenovo ThinkSystem SR650 V2 (2U, 24x 2.5" drive bays)** +**Public pricing: ~¥95,000-105,000 per configured node in China** + +**Per Storage Node:** +- **CPU:** 2x Intel Xeon Silver 4316 (20 cores, 2.3 GHz, 30MB cache) + - Total: 40 cores, 80 threads per node + - Part#: 4XG7A42589 +- **RAM:** 256 GB DDR4-3200 ECC RDIMM (8x 32GB) + - Part#: 4X77A08633 or equivalent +- **Boot:** 2x 480GB SATA SSD (RAID 1, OS) + - Lenovo 2.5" 6Gb SATA SSD +- **Storage:** 24x 22TB SAS HDD 12Gbps 7.2K RPM + - Seagate Exos X22 (ST22000NM00 series) or WD Ultrastar + - Public pricing: ~¥2,800-3,200 per drive (~$390-445) + - JBOD configuration (no RAID, all drives independent) + - Per node: 528 TB raw (24 × 22TB) + - Total cluster: 6.86 PB raw (13 nodes × 528 TB) + - With 3x replication: 2.29 PB usable + - Performance: 4K IOPS per drive, ~96K IOPS per node, 1.5 GB/s per node +- **Network:** 2x Lenovo ThinkSystem Broadcom 57504 25GbE (4-port, bonded) +- **HBA:** Lenovo ThinkSystem 430-8i SAS/SATA 12Gb HBA (pass-through mode) +- **PSU:** 2x 1100W Platinum (redundant, 208V) +- **Rack space:** 13 nodes × 2U = 26U + +### 2.5 Import Node Specifications (1 node, dedicated for physical media import) + +**Model: Lenovo ThinkSystem SR650 V2 (2U, front-accessible hot-plug)** +**Public pricing: ~¥140,000 per configured node** + +**Per Node:** +- **CPU:** 2x Intel Xeon Gold 6338 (32 cores, 2.0 GHz, 48MB cache) + - Total: 64 cores, 128 threads + - High core count for parallel import processing +- **RAM:** 256 GB DDR4-3200 ECC + - Large buffer for staging imported data +- **Boot:** 2x 480GB SATA SSD (RAID 1, OS) +- **Import staging storage:** 4x 7.68TB NVMe (JBOD) + - Total: ~31TB staging buffer + - High-speed local cache before copying to storage cluster +- **Hot-plug bays (front panel):** 12 bays supporting: + - **USB 3.2 Gen 2x2:** 4x front-panel USB-C ports (2.5 GB/s each) + - **NVMe U.2:** 4x hot-swap NVMe bays (up to 8 GB/s per drive) + - **SATA/SAS:** 4x hot-swap 3.5" bays (12 Gbps SAS) +- **Controllers:** + - Lenovo ThinkSystem 430-8i SAS/SATA HBA (pass-through mode) + - PCIe Gen4 NVMe switch + - USB 3.2 Gen 2x2 controller +- **Network:** 2x 25GbE (bonded, LACP) +- **PSU:** 2x 1100W Platinum + +**Import Workflow:** +1. Operator inserts physical media (USB, NVMe, SATA, SAS) into front panel +2. Drive auto-mounts or hot-detects +3. Import software reads data from media → staging NVMe (fast local) +4. Processes/validates QR codes in parallel (32-48 cores) +5. Streams validated data to storage cluster over 25GbE (or 100GbE) +6. Operator removes media when import complete (LED indicator) + +**Performance:** +- **USB 3.2:** 4 ports × 2.5 GB/s = 10 GB/s aggregate +- **NVMe:** 4 drives × 8 GB/s = 32 GB/s aggregate +- **SATA/SAS:** 4 drives × 1.5 GB/s = 6 GB/s aggregate +- **Network:** 2x 25GbE = 6.25 GB/s to storage cluster +- Staging NVMe: 31TB buffer allows offline processing before network transfer + +**Benefits:** +- **No internet/WiFi bottleneck:** Direct physical media import at full speed +- **Parallel import:** Accept up to 12 drives simultaneously +- **Flexible media:** USB, NVMe, SATA, SAS all supported +- **High throughput:** Local staging eliminates network bottleneck during read +- **Operator-friendly:** Front-panel access, LED indicators, hot-plug safe + +### 2.6 Control/Compute Node Specifications (3 nodes, consolidated) + +**Model: Lenovo ThinkSystem SR630 V2 (1U, multi-purpose)** +**Public pricing: ~¥102,000 per configured node** + +**Per Node (runs ALL services):** +- **CPU:** 2x Intel Xeon Gold 6338 (32 cores, 2.0 GHz) + - Total: 64 cores, 128 threads per node + - Sufficient for ingestion + API + control plane + load balancing +- **RAM:** 256 GB DDR4-3200 ECC (8x 32GB) + - Split: 128GB for ingestion, 64GB for API, 64GB for system/control +- **Boot:** 2x 480GB SATA SSD (RAID 1, OS) +- **Local storage:** 2x 3.84TB NVMe + - Ingestion write buffer + API read cache + monitoring data +- **Network:** 2x Lenovo ThinkSystem Broadcom 57504 25GbE (bonded, LACP) +- **PSU:** 2x 800W Platinum + +## 3. Network Topology +``` +Core Switch (100GbE uplink) + ↓ +Rack ToR Switches (Dell VLT pair, 25GbE to servers) + ↓ +Dell Servers (dual-homed, LACP bonded) +``` + +## 4. Cost Estimate (Approximate) + +**Hardware (Single Rack - 13 storage + 3 control/compute + 1 import for FULL 2.29 PB):** +- Storage nodes (13x): $195K +- Control/Compute nodes (3x): $48K +- Import node (1x): $22K +- Network switches (2x): $30K +- Other hardware & infrastructure: $13K +- **Total: $308K CapEx** +- **Note:** UPS excluded (out of project scope) + + +**Power Requirements:** +- **Total rack power:** 9.5kW maximum + - 13x storage nodes @ 400W each = 5.2kW + - 3x control/compute nodes @ 300W each = 0.9kW + - 1x import node @ 500W = 0.5kW + - 2x switches @ 400W each = 0.8kW + - Margin: ~1.6kW reserve +- **PDU requirements:** 2x 5kW PDUs (A+B feeds) +- **Cooling requirement:** ~12kW thermal (9.5kW × 1.3 PUE) + +## 5. Redundancy & High Availability (Single Rack, 13 Storage Nodes) + +- **Storage:** JBOD + 3x replication distributed across 13 Lenovo ThinkSystem SR650 V2 nodes + - **Any 10 storage nodes can fail simultaneously without data loss (77% redundancy)** + - 312 independent drives (24 per node × 13), software-managed + - Single drive failure: automatic rebalancing to other nodes + - No RAID rebuild overhead - software handles recovery + - Drive recovery: ~22TB over 25GbE = ~2 hours (vs days for RAID rebuild) + - Data striped and replicated for parallel I/O + - Minimum 4 nodes needed to maintain data availability (with 3x replication) +- **Control/Compute:** 3 multi-purpose nodes (active-active-active) + - All 3 nodes run: ingestion workers, API servers, load balancers, control plane + - Any 2 of 3 nodes can handle full workload (N+1 redundancy) + - Can lose 1 control/compute node without service interruption + - Load balanced via DNS round-robin or floating VIP (Keepalived) +- **Network:** Huawei VLT/CSS switches, dual-homed servers (2x25GbE bonded) +- **Power:** Dual PSU per server, redundant PDUs (A+B feeds) + +**Expansion Path (if future requirements increase):** +- Year 1: 13 storage + 3 control/compute + 1 import = 2.29 PB usable (covers all 11B QR codes) +- Future expansion: 7U available in rack = up to 3 more 2U storage nodes +- With 16 storage nodes: 2.82 PB usable (23% more capacity) +- Beyond 16 nodes: Would require second rack or higher capacity drives + +## 6. Performance Validation (HDD-based, Single Rack) + +**Target metrics (13 storage nodes):** +- Write throughput: 6,960 QR codes/sec sustained (1.39 GB/s) + - With 3x replication: 4.17 GB/s network write traffic + - HDD capability: 19.5 GB/s aggregate write (13 nodes × 1.5 GB/s) ✓ **EXCELLENT** +- Peak burst: 21,000 QR codes/sec (4.2 GB/s) + - With 3x replication: 12.6 GB/s network write traffic + - HDD capability: 19.5 GB/s aggregate write (peak) ✓ **EXCELLENT** (55% headroom) +- Read latency: < 50ms P99 (with cache) ✓ + - HDD seek: 4-8ms, sequential: fast +- Storage IOPS: 1.25M aggregate (96K per node × 13, 4K per drive) + - Adequate for large sequential QR code writes (50-200 KB each) + - QR codes are large blobs, not small random I/O +- Network throughput: 650 Gbps aggregate (50 Gbps per node × 13) +- Network utilization: < 8% during sustained writes, < 24% during peak burst +- Storage capacity: 2.29 PB usable (6.86 PB raw with 3x replication) + - **Covers ALL 11 billion QR codes at maximum 200KB size** + - 4% buffer above 2.2 PB maximum requirement +- Drive failure recovery: Distributed across all healthy nodes +- Redundancy: Can tolerate up to 10 storage node failures (77% redundancy) + +**HDD Performance Characteristics:** +- Sequential throughput: Excellent (150-250 MB/s per drive) +- Random IOPS: Lower than NVMe (4K IOPS vs 100K+ IOPS) +- QR code workload: Mostly sequential large-blob writes (50-200 KB) +- **Verdict:** HDD is well-suited for this workload (large sequential I/O) + +## 7. Recommended Configuration Summary (13 Storage Nodes for Full Capacity) + +**Configuration: 13 storage + 3 control/compute + 1 import (JBOD + 3-replica, SINGLE RACK)** + +| Metric | Specification | +|--------|---------------| +| **Storage Servers** | 13x Lenovo ThinkSystem SR650 V2 (2U each) | +| **Control/Compute** | 3x Lenovo ThinkSystem SR630 V2 (1U each) | +| **Import Node** | 1x Lenovo ThinkSystem SR650 V2 (2U) | +| **Switches** | 2x Huawei CE6800 (25GbE) | +| **Drives per Storage Node** | 24x 22TB SAS (12Gbps, 7.2K RPM) | +| **Usable Capacity** | **2.29 PB** (covers all 11B QR codes at 200KB max) | +| **Raw Capacity** | 6.86 PB (with 3x replication) | +| **Rack Space** | 35U of 42U (7U expansion available) | +| **Aggregate IOPS** | 1.25M (96K per storage node) | +| **Aggregate Throughput** | 39 GB/s read, 19.5 GB/s write | +| **Power** | 12.7 kW (9.8 kW actual, 30% headroom) | +| **CapEx (China, Lenovo+Huawei)** | ¥1,973,000 (~$274K USD) | +| **Storage Redundancy** | Can lose 10 storage nodes (77% redundancy) | +| **Compute Redundancy** | N+1 (any 2 of 3 nodes) | +| **Import Speed** | 10-32 GB/s (physical media) | +| **Drive Reliability** | SAS enterprise-grade | +| **Expansion** | 7U available = up to 3 more storage nodes | + +**Key Features:** +- ✅ **Full capacity:** 2.29 PB covers ALL 11 billion QR codes at maximum 200KB size +- ✅ **High redundancy:** Can tolerate 10 simultaneous storage node failures +- ✅ **Single rack:** All equipment in one 42U rack (35U used) +- ✅ **Domestic brands:** 20% cheaper than Dell, excellent local support +- ✅ **Physical import:** 10-32 GB/s via USB/NVMe/SATA/SAS hot-plug +- ✅ **Industry-standard:** JBOD + 3-replica architecture + +## 10. Cost Estimate for China Private Datacenter (CNY) + +**Exchange Rate: 1 USD = 7.2 CNY (approximate, January 2026)** + +**Summary for China (13 Storage Nodes, Full Capacity, IT Room):** +- **Recommended:** Lenovo ThinkSystem + Huawei CE6800 +- **CapEx:** ¥1,973,000 (~$274K USD, based on public pricing) +- **Capacity:** 2.29 PB usable (covers ALL 11B QR codes at max 200KB size) +- **Power requirement:** 12.7 kW total (9.8 kW actual + 30% headroom) +- **Import node benefit:** 10-32 GB/s physical media import (USB/NVMe/SATA/SAS) + - Eliminates internet/WiFi bottleneck + - Front-panel hot-plug for operator convenience + - 31TB staging buffer for offline processing + +### China Pricing - Lenovo ThinkSystem + Huawei Configuration + +**Hardware (Lenovo + Huawei - 13 Storage Nodes for 2.29 PB):** +- Storage nodes (13x Lenovo ThinkSystem SR650 V2 with 24x 22TB SAS): ¥1,235,000 + - Base server: ~¥35,000 per node + - 24x 22TB SAS drives @ ¥3,000 each: ¥72,000 per node + - CPU, RAM, HBA upgrades: ~¥23,000 per node + - Total per node: ¥95,000 + - Public pricing reference: Lenovo China website +- Control/Compute nodes (3x Lenovo ThinkSystem SR630 V2): ¥306,000 + - Each node: ¥102,000 (~$14,200) + - Multi-purpose: ingestion + API + load balancing + control +- Import node (1x Lenovo ThinkSystem SR650 V2 with hot-plug): ¥140,000 + - Front-panel USB-C, NVMe U.2, SATA/SAS hot-swap +- Network switches (2x Huawei CloudEngine 6800-48S-EI): ¥180,000 + - Public pricing: ¥90,000 per switch +- PDUs, cabling, misc: ¥64,000 +- **Hardware Subtotal (Lenovo + Huawei): ¥1,925,000** + +**Infrastructure (if not existing in IT room):** +- Rack (42U, domestic): ¥8,000 +- Cooling (1x 20kW in-row, if IT room HVAC insufficient): ¥40,000 +- **Infrastructure Subtotal: ¥48,000** +- **Note:** May be partially/fully available in existing IT room (reduce CapEx accordingly) + +**Total CapEx (13 Storage Nodes for Full 2.29 PB):** +- **With Lenovo + Huawei: ¥1,973,000** (~$274K USD, RECOMMENDED) +- **Note:** UPS excluded (out of project scope). Pricing based on Lenovo China public pricing and Huawei enterprise quotes. + +**Power Requirements (13 Storage Nodes):** +- **Total power:** 12.7 kW + - 13x storage nodes @ 400W each = 5.2 kW + - 3x control/compute nodes @ 500W each = 1.5 kW + - 1x import node @ 600W = 0.6 kW + - 2x switches @ 400W each = 0.8 kW + - Overhead and margin = 4.6 kW +- **Cooling requirement:** 16.5 kW thermal (12.7 kW × 1.3 PUE) +- **Circuit requirement:** 2x 32A 3-phase 208V circuits minimum + +### HDD Sourcing in China + +**Recommended: Locally assembled enterprise drives** +- Seagate Exos X22 22TB (Suzhou facility): ¥2,800-3,200 per drive +- Western Digital Ultrastar DC HC570 22TB (Shanghai/Shenzhen): ¥2,900-3,300 per drive +- Local assembly = no import VAT (save 13%) +- Comes with VAT invoice (增值税发票) for tax deduction +- Same warranty as international versions +- Faster replacement (local stock) + +### Quick Reference: China Pricing Summary (13 Storage Nodes, 2.29 PB) + +| Item | Value | +|------|-------| +| **CapEx** | ¥1,973,000 (~$274K USD) | +| **Capacity** | 2.29 PB usable | +| **Power** | 12.7 kW total | +| **Rack space** | 35U of 42U | + +**Lenovo ThinkSystem SR650 V2 + SR630 V2 + Huawei CE6800** +- Covers ALL 11 billion QR codes at maximum 200KB size +- Import node: 10-32 GB/s physical media import (no network bottleneck) +- UPS excluded (out of project scope) + +**Recommendations for China Deployment (IT Room, 13 Storage Nodes):** +1. **Use Lenovo ThinkSystem + Huawei** - public pricing available, 20% savings vs Dell +2. **IT room requirements (13 storage nodes for full 2.29 PB):** + - Power: 12.7 kW capacity needed (208V 3-phase, 30A × 2 PDUs) + - Cooling: 43,400 BTU/hr heat dissipation (~3.6 tons, 12.7 kW × 3,412 BTU/kW) + - Floor loading: ~1,100 kg total weight (17 servers + switches + rack) + - Operator access for import node (front-panel hot-plug) + - Rack space: 35U of 42U used (7U for future expansion) +3. **Local support contracts** essential (Lenovo + Huawei have excellent China support with 4-hour response) +5. **Bulk purchase discount** - negotiate 10-15% off for large orders +6. **Payment terms:** Net 30-90 common, some vendors offer 6-12 month financing +7. **VAT invoice (增值税发票):** Essential for tax deduction, ensure all vendors provide +8. **Domestic drives:** Buy Seagate/WD from China facilities to avoid import VAT +9. **Network integration:** Plan uplink to existing corporate network + +**Vendor Contact (China):** +- Lenovo: DCG (Data Center Group) - https://www.lenovo.com/cn/zh/data-center (联想数据中心) + - Public pricing on website for ThinkSystem servers + - Contact: 400-100-6000 (China hotline) +- Huawei: Enterprise network division - https://e.huawei.com (华为企业) + - CloudEngine switches require enterprise quote + - Contact local Huawei account manager +- Local integrators: Often 5-10% cheaper than direct (e.g., 神州数码 Digital China) + +## 11. Final Recommendation + +**RECOMMENDED CONFIGURATION: Lenovo ThinkSystem + Huawei in Tier B City** + +**Hardware (13 Storage Nodes for Full 2.29 PB Capacity):** +- **13x Lenovo ThinkSystem SR650 V2** storage nodes (24x 22TB SAS each) = **2.29 PB usable** +- **3x Lenovo ThinkSystem SR630 V2** control/compute nodes (multi-purpose) +- **1x Lenovo ThinkSystem SR650 V2** import node (front-panel hot-plug) +- **2x Huawei CloudEngine 6800-48S-EI** switches (48-port 25GbE) + +**Capacity:** 2.29 PB usable - covers ALL 11 billion QR codes at maximum 200KB size + +**Cost:** +- **CapEx:** ¥1,973,000 (~$274K USD) +- **Note:** UPS excluded (out of project scope). Based on Lenovo China and Huawei public pricing. + +**Power Requirements:** +- **Total:** 12.7 kW (9.8 kW actual + 30% headroom) +- **Cooling:** 43,400 BTU/hr (~3.6 tons) + diff --git a/doc/11b_cn.html b/doc/11b_cn.html new file mode 100644 index 0000000..0711967 --- /dev/null +++ b/doc/11b_cn.html @@ -0,0 +1,681 @@ + + +
+ + + +项目 11b - 硬件规格 v0.1
+年度数据量:110 亿个二维码,每个 50KB - 200KB。
+总存储量: 每年 550 TB - 2.2 PB
导入窗口: 年度的 1/20 到 1/10(18-36 天)
写入吞吐量: 持续 3,480 - 6,960 个二维码/秒
导入期间数据速率: 持续 348 MB/s - 1.39 GB/s
峰值突发(3倍): 最高 21,000 个二维码/秒,4 GB/s
解决方案:13 个存储节点 + 3 个控制/计算节点 + 1 个导入节点(JBOD + 3 副本,单机架)
+可用容量: 2.29 PB(覆盖所有 110 亿个二维码,最大 200KB 大小)
原始容量: 6.86 PB(24 × 22TB × 13 个存储节点)
聚合 IOPS: ~125 万(每节点 96K × 13,足以满足顺序二维码存储)
聚合吞吐量: 39 GB/s 读取,19.5 GB/s 写入(超过 1.39 GB/s 需求)
冗余: 3 倍复制(JBOD,软件管理,可容忍 10 个节点故障)
硬件(联想 + 华为,推荐):
+13x 联想 ThinkSystem SR650 V2 存储节点(每个 24x 22TB SAS)
3x 联想 ThinkSystem SR630 V2 控制/计算节点(多用途)
1x 联想 ThinkSystem SR650 V2 导入节点(前面板热插拔:USB/NVMe/SATA/SAS)
2x 华为 CloudEngine 6800 交换机(48 端口 25GbE)
导入能力: 10-32 GB/s 物理介质导入(无互联网瓶颈)
成本(中国,联想+华为): ¥1,973,000 资本支出(约 $274K USD)
注意: 不包括 UPS(超出项目范围)。价格基于联想中国和华为公开定价。
适合: 单个 42U 机架(使用 35U,7U 用于扩展)
供应商:联想(推荐用于中国部署)
+服务器: 联想 ThinkSystem SR650 V2 和 SR630 V2
+全球品牌,在中国市场表现优异
比戴尔在中国市场便宜 20-25%
相同的 Intel Xeon CPU,企业级质量
公开定价:每个配置节点约 ¥95,000-120,000
网络: 华为 CloudEngine 6800
+在中国市场处于行业领先地位
公开定价:每台 48 端口 25GbE 交换机约 ¥90,000
与中国网络(中国电信/联通/移动)集成更好
管理: 联想 XClarity Controller(IPMI/Redfish 标准)
支持: 联想中国 4 小时现场响应
驱动器: Seagate Exos 或 WD Ultrastar(中国组装,无进口增值税)
单机架完整部署(13 个存储 + 3 个控制/计算 + 1 个导入节点)
+U1-U2: 2x 华为 CloudEngine 6800-48S-EI 交换机(48 端口 25GbE,冗余,CSS)
U3-U4: 2x 国产 PDU(20x C13,4x C19 插座,208V 三相,A+B 供电)
U5-U30: 13x 存储节点(每个 2U,联想 ThinkSystem SR650 V2,24x 22TB SAS)
+U31-U33: 3x 控制/计算节点(每个 1U,联想 ThinkSystem SR630 V2,多用途)
+运行:摄取工作器、API 服务器、负载均衡器、控制平面
所有服务在所有 3 个节点上运行以实现冗余
U34-U35: 1x 导入节点(2U,联想 ThinkSystem SR650 V2,前面板热插拔用于物理介质)
+USB 3.2 / NVMe / SATA / SAS 热插拔插槽
直接物理介质导入(无网络瓶颈)
U36-U42: 保留用于未来扩展(7U 可用)
使用的总机架空间:42U 中的 35U
+机架顶部交换机:
+型号:华为 CloudEngine 6800-48S-EI(推荐)
+48x 25GbE SFP28 端口 + 6x 100GbE QSFP28 上行链路端口
2x 冗余 PSU(AC/DC)
2x 冗余风扇
VRP OS(华为通用路由平台)
公开定价:中国每台交换机约 ¥90,000
在中国市场处于行业领先地位,比戴尔便宜 25%
配置:
+CSS(集群交换系统)配对以实现冗余
所有服务器连接的 LACP 绑定(每节点 2x25GbE)
VLAN:管理(VLAN10)、存储(VLAN20)、API(VLAN30)
启用巨型帧(MTU 9000)
上行链路:
+2x 100GbE 光纤到核心/分发交换机
ECMP 路由用于负载分发
线缆:
+DAC(直连铜缆)Twinax 用于机架内(< 5m)
OM4 MMF 或 SMF 用于机架间连接
电源需求(单机架 - 带导入节点:13 个存储 + 3 个计算 + 1 个导入):
+存储节点:13 个节点 × 500W = 6,500W(HDD 比 NVMe 耗电少得多)
+每个 HDD:~10W 空闲,~12W 活动
每节点 24 个 HDD:~300W
CPU + RAM + 风扇:~200W
控制/计算节点:3 个节点 × 600W = 1,800W
+运行所有服务的多用途节点
CPU 利用率更高但已整合
导入节点:1 个节点 × 700W = 700W
+由于 NVMe 暂存驱动器 + 多个控制器而功耗更高
导入操作期间的峰值
网络交换机:2 个交换机 × 400W = 800W
总计:~9,800W = 9.8 kW
含 30% 余量:单机架 12.7 kW
电源摘要:
+存储节点:6.5 kW(13 个节点 × 500W)
控制/计算节点:1.8 kW(3 个节点 × 600W)
导入节点:0.7 kW(1 个节点 × 700W)
网络交换机:0.8 kW(2 个交换机 × 400W)
总计:9.8 kW(含 30% 余量为 12.7 kW)
PDU 配置(单机架 - 13 个存储节点):
+2x 国产计量机架 PDU(冗余供电,A+B 电源)
+输入:208V 三相,每个 PDU 30A
容量:208V × 30A × 1.732 = 每个 PDU 10.8 kVA(三相)
总计:机架 21.6 kVA(足以满足 12.7 kW 负载,有余量)
每个服务器:双 PSU 连接到单独的 PDU(A+B 供电)
冷却(单机架 - 带导入节点,13 个存储节点):
+散热:12.7 kW × 3.41 = 43,307 BTU/hr(单机架)
需求:43,400 BTU/hr 的冷却容量(~3.6 吨)
选项:
+使用现有 IT 机房 CRAC/HVAC(如果容量可用)
添加 1x 20kW 行内冷却单元(¥40,000-50,000)
标准精密空调单元(4-5 吨容量)
单机架无需特殊围护
存储容量规划:
+最大需求:每年 2.2 PB
复制策略影响原始容量需求:
+RAID 10 + 2 倍复制:4.4 PB 原始(复杂,双层冗余)
JBOD + 3 倍复制:6.6 PB 原始(更简单,仅软件冗余)
架构选择:JBOD vs RAID
+JBOD + 3 副本(推荐,软件简单):
+无 RAID 控制器复杂性
软件处理所有冗余(Ceph、MinIO 等)
每个驱动器独立,故障恢复更容易
更好的性能可观测性
分布式存储的标准方法
更容易重新平衡和维护
RAID 10 + 2 副本(传统方法):
+硬件 RAID 提供本地冗余
更低的网络复制流量
更快的本地读取(RAID 条带化)
更复杂的故障场景(RAID + 集群)
驱动器故障时的 RAID 重建开销
存储节点:13 个节点,22TB SAS HDD + JBOD + 3 副本(覆盖所有 110 亿个二维码)
+型号:联想 ThinkSystem SR650 V2(2U,24x 2.5" 驱动器插槽) 公开定价:中国每个配置节点约 ¥95,000-105,000
+每个存储节点:
+CPU: 2x Intel Xeon Silver 4316(20 核,2.3 GHz,30MB 缓存)
+总计:每节点 40 核,80 线程
零件号:4XG7A42589
RAM: 256 GB DDR4-3200 ECC RDIMM(8x 32GB)
+启动: 2x 480GB SATA SSD(RAID 1,操作系统)
+存储: 24x 22TB SAS HDD 12Gbps 7.2K RPM
+Seagate Exos X22(ST22000NM00 系列)或 WD Ultrastar
公开定价:每个驱动器约 ¥2,800-3,200(约 $390-445)
JBOD 配置(无 RAID,所有驱动器独立)
每节点:528 TB 原始(24 × 22TB)
总集群:6.86 PB 原始(13 个节点 × 528 TB)
3 倍复制:2.29 PB 可用
性能:每驱动器 4K IOPS,每节点 ~96K IOPS,每节点 1.5 GB/s
网络: 2x 联想 ThinkSystem Broadcom 57504 25GbE(4 端口,绑定)
HBA: 联想 ThinkSystem 430-8i SAS/SATA 12Gb HBA(直通模式)
PSU: 2x 1100W 铂金(冗余,208V)
机架空间: 13 个节点 × 2U = 26U
型号:联想 ThinkSystem SR650 V2(2U,前面板可访问热插拔) 公开定价:每个配置节点约 ¥140,000
+每个节点:
+CPU: 2x Intel Xeon Gold 6338(32 核,2.0 GHz,48MB 缓存)
+总计:64 核,128 线程
高核数用于并行导入处理
RAM: 256 GB DDR4-3200 ECC
+启动: 2x 480GB SATA SSD(RAID 1,操作系统)
导入暂存存储: 4x 7.68TB NVMe(JBOD)
+总计:~31TB 暂存缓冲区
复制到存储集群之前的高速本地缓存
热插拔插槽(前面板): 12 个插槽支持:
+USB 3.2 Gen 2x2: 4x 前面板 USB-C 端口(每个 2.5 GB/s)
NVMe U.2: 4x 热插拔 NVMe 插槽(每个驱动器最高 8 GB/s)
SATA/SAS: 4x 热插拔 3.5" 插槽(12 Gbps SAS)
控制器:
+联想 ThinkSystem 430-8i SAS/SATA HBA(直通模式)
PCIe Gen4 NVMe 交换机
USB 3.2 Gen 2x2 控制器
网络: 2x 25GbE(绑定,LACP)
PSU: 2x 1100W 铂金
导入工作流程: 1. 操作员将物理介质(USB、NVMe、SATA、SAS)插入前面板 2. 驱动器自动挂载或热检测 3. 导入软件从介质读取数据 → 暂存 NVMe(快速本地) 4. 并行处理/验证二维码(32-48 核) 5. 通过 25GbE(或 100GbE)将验证后的数据流式传输到存储集群 6. 导入完成后操作员移除介质(LED 指示灯)
+性能:
+USB 3.2: 4 端口 × 2.5 GB/s = 10 GB/s 聚合
NVMe: 4 驱动器 × 8 GB/s = 32 GB/s 聚合
SATA/SAS: 4 驱动器 × 1.5 GB/s = 6 GB/s 聚合
网络: 2x 25GbE = 6.25 GB/s 到存储集群
暂存 NVMe:31TB 缓冲区允许在网络传输之前进行离线处理
优势:
+无互联网/WiFi 瓶颈: 以全速直接物理介质导入
并行导入: 同时接受最多 12 个驱动器
灵活介质: 支持 USB、NVMe、SATA、SAS
高吞吐量: 本地暂存消除了读取期间的网络瓶颈
操作员友好: 前面板访问、LED 指示灯、热插拔安全
型号:联想 ThinkSystem SR630 V2(1U,多用途) 公开定价:每个配置节点约 ¥102,000
+每个节点(运行所有服务):
+CPU: 2x Intel Xeon Gold 6338(32 核,2.0 GHz)
+总计:每节点 64 核,128 线程
足以满足摄取 + API + 控制平面 + 负载均衡
RAM: 256 GB DDR4-3200 ECC(8x 32GB)
+启动: 2x 480GB SATA SSD(RAID 1,操作系统)
本地存储: 2x 3.84TB NVMe
+网络: 2x 联想 ThinkSystem Broadcom 57504 25GbE(绑定,LACP)
PSU: 2x 800W 铂金
核心交换机(100GbE 上行链路)
+ ↓
+机架 ToR 交换机(华为 CSS 配对,25GbE 到服务器)
+ ↓
+联想服务器(双归属,LACP 绑定)
+硬件(单机架 - 13 个存储 + 3 个控制/计算 + 1 个导入,完整 2.29 PB):
+存储节点(13x):$195K
控制/计算节点(3x):$48K
导入节点(1x):$22K
网络交换机(2x):$30K
其他硬件和基础设施:$13K
总计:$308K 资本支出
注意: 不包括 UPS(超出项目范围)
电源需求:
+总机架功率: 最大 9.5kW
+13x 存储节点 @ 每个 400W = 5.2kW
3x 控制/计算节点 @ 每个 300W = 0.9kW
1x 导入节点 @ 500W = 0.5kW
2x 交换机 @ 每个 400W = 0.8kW
余量:~1.6kW 储备
PDU 需求: 2x 5kW PDU(A+B 供电)
冷却需求: ~12kW 热(9.5kW × 1.3 PUE)
存储: JBOD + 3 倍复制分布在 13 个联想 ThinkSystem SR650 V2 节点上
+任何 10 个存储节点可同时故障而不会丢失数据(77% 冗余)
312 个独立驱动器(每节点 24 个 × 13),软件管理
单个驱动器故障:自动重新平衡到其他节点
无 RAID 重建开销 - 软件处理恢复
驱动器恢复:~22TB 通过 25GbE = ~2 小时(vs RAID 重建需要数天)
数据条带化和复制用于并行 I/O
需要最少 4 个节点以维持数据可用性(3 倍复制)
控制/计算: 3 个多用途节点(主动-主动-主动)
+所有 3 个节点运行:摄取工作器、API 服务器、负载均衡器、控制平面
3 个节点中的任何 2 个可以处理完整工作负载(N+1 冗余)
可以丢失 1 个控制/计算节点而不会中断服务
通过 DNS 轮询或浮动 VIP(Keepalived)进行负载均衡
网络: 华为 VLT/CSS 交换机,双归属服务器(2x25GbE 绑定)
电源: 每个服务器双 PSU,冗余 PDU(A+B 供电)
扩展路径(如果未来需求增加):
+第 1 年:13 个存储 + 3 个控制/计算 + 1 个导入 = 2.29 PB 可用(覆盖所有 110 亿个二维码)
未来扩展:机架中 7U 可用 = 最多 3 个更多 2U 存储节点
16 个存储节点:2.82 PB 可用(容量增加 23%)
超过 16 个节点:需要第二个机架或更高容量的驱动器
目标指标(13 个存储节点):
+写入吞吐量:持续 6,960 个二维码/秒(1.39 GB/s)
+3 倍复制:4.17 GB/s 网络写入流量
HDD 能力:19.5 GB/s 聚合写入(13 个节点 × 1.5 GB/s)✓ 优秀
峰值突发:21,000 个二维码/秒(4.2 GB/s)
+3 倍复制:12.6 GB/s 网络写入流量
HDD 能力:19.5 GB/s 聚合写入(峰值)✓ 优秀(55% 余量)
读取延迟:< 50ms P99(带缓存)✓
+存储 IOPS:125 万聚合(每节点 96K × 13,每驱动器 4K)
+足以满足大型顺序二维码写入(每个 50-200 KB)
二维码是大块数据,不是小随机 I/O
网络吞吐量:650 Gbps 聚合(每节点 50 Gbps × 13)
网络利用率:持续写入期间 < 8%,峰值突发期间 < 24%
存储容量:2.29 PB 可用(3 倍复制为 6.86 PB 原始)
+覆盖所有 110 亿个二维码,最大 200KB 大小
比 2.2 PB 最大需求高 4% 的缓冲区
驱动器故障恢复:分布在所有健康节点上
冗余:可容忍最多 10 个存储节点故障(77% 冗余)
HDD 性能特征:
+顺序吞吐量:优秀(每驱动器 150-250 MB/s)
随机 IOPS:低于 NVMe(4K IOPS vs 100K+ IOPS)
二维码工作负载:主要是顺序大块写入(50-200 KB)
结论: HDD 非常适合此工作负载(大顺序 I/O)
配置:13 个存储 + 3 个控制/计算 + 1 个导入(JBOD + 3 副本,单机架)
+| 指标 | +规格 | +
|---|---|
| 存储服务器 | +13x 联想 ThinkSystem SR650 V2(每个 2U) | +
| 控制/计算 | +3x 联想 ThinkSystem SR630 V2(每个 1U) | +
| 导入节点 | +1x 联想 ThinkSystem SR650 V2(2U) | +
| 交换机 | +2x 华为 CE6800(25GbE) | +
| 每个存储节点的驱动器 | +24x 22TB SAS(12Gbps,7.2K RPM) | +
| 可用容量 | +2.29 PB(覆盖所有 110 亿个二维码,最大 200KB) | +
| 原始容量 | +6.86 PB(3 倍复制) | +
| 机架空间 | +42U 中的 35U(7U 扩展可用) | +
| 聚合 IOPS | +125 万(每个存储节点 96K) | +
| 聚合吞吐量 | +39 GB/s 读取,19.5 GB/s 写入 | +
| 电源 | +12.7 kW(9.8 kW 实际,30% 余量) | +
| 资本支出(中国,联想+华为) | +¥1,973,000(约 $274K USD) | +
| 存储冗余 | +可丢失 10 个存储节点(77% 冗余) | +
| 计算冗余 | +N+1(3 个节点中的任何 2 个) | +
| 导入速度 | +10-32 GB/s(物理介质) | +
| 驱动器可靠性 | +SAS 企业级 | +
| 扩展 | +7U 可用 = 最多 3 个更多存储节点 | +
关键特性:
+✅ 完整容量: 2.29 PB 覆盖所有 110 亿个二维码,最大 200KB 大小
✅ 高冗余: 可容忍 10 个同时存储节点故障
✅ 单机架: 所有设备在一个 42U 机架中(使用 35U)
✅ 国产品牌: 比戴尔便宜 20%,优秀的本地支持
✅ 物理导入: 通过 USB/NVMe/SATA/SAS 热插拔 10-32 GB/s
✅ 行业标准: JBOD + 3 副本架构
汇率:1 USD = 7.2 CNY(近似,2026 年 1 月)
+中国摘要(13 个存储节点,完整容量,IT 机房):
+推荐: 联想 ThinkSystem + 华为 CE6800
资本支出: ¥1,973,000(约 $274K USD,基于公开定价)
容量: 2.29 PB 可用(覆盖所有 110 亿个二维码,最大 200KB 大小)
电源需求: 总计 12.7 kW(9.8 kW 实际 + 30% 余量)
导入节点优势: 10-32 GB/s 物理介质导入(USB/NVMe/SATA/SAS)
+消除互联网/WiFi 瓶颈
前面板热插拔便于操作员使用
31TB 暂存缓冲区用于离线处理
硬件(联想 + 华为 - 13 个存储节点,2.29 PB):
+存储节点(13x 联想 ThinkSystem SR650 V2,24x 22TB SAS):¥1,235,000
+基础服务器:每节点约 ¥35,000
24x 22TB SAS 驱动器 @ 每个 ¥3,000:每节点 ¥72,000
CPU、RAM、HBA 升级:每节点约 ¥23,000
每节点总计:¥95,000
公开定价参考:联想中国网站
控制/计算节点(3x 联想 ThinkSystem SR630 V2):¥306,000
+每个节点:¥102,000(约 $14,200)
多用途:摄取 + API + 负载均衡 + 控制
导入节点(1x 联想 ThinkSystem SR650 V2,带热插拔):¥140,000
+网络交换机(2x 华为 CloudEngine 6800-48S-EI):¥180,000
+PDU、线缆、杂项:¥64,000
硬件小计(联想 + 华为):¥1,925,000
基础设施(如果 IT 机房不存在):
+机架(42U,国产):¥8,000
冷却(1x 20kW 行内,如果 IT 机房 HVAC 不足):¥40,000
基础设施小计:¥48,000
注意: 可能在现有 IT 机房中部分/完全可用(相应减少资本支出)
总资本支出(13 个存储节点,完整 2.29 PB):
+联想 + 华为:¥1,973,000(约 $274K USD,推荐)
注意: 不包括 UPS(超出项目范围)。价格基于联想中国公开定价和华为企业报价。
电源需求(13 个存储节点):
+总功率: 12.7 kW
+13x 存储节点 @ 每个 400W = 5.2 kW
3x 控制/计算节点 @ 每个 500W = 1.5 kW
1x 导入节点 @ 600W = 0.6 kW
2x 交换机 @ 每个 400W = 0.8 kW
开销和余量 = 4.6 kW
冷却需求: 16.5 kW 热(12.7 kW × 1.3 PUE)
电路需求: 最少 2x 32A 三相 208V 电路
推荐:本地组装的企业级驱动器
+Seagate Exos X22 22TB(苏州工厂):每个驱动器 ¥2,800-3,200
Western Digital Ultrastar DC HC570 22TB(上海/深圳):每个驱动器 ¥2,900-3,300
本地组装 = 无进口增值税(节省 13%)
提供增值税发票用于税务抵扣
与国际版本相同的保修
更快的更换(本地库存)
| 项目 | +价值 | +
|---|---|
| 资本支出 | +¥1,973,000(约 $274K USD) | +
| 容量 | +2.29 PB 可用 | +
| 电源 | +总计 12.7 kW | +
| 机架空间 | +42U 中的 35U | +
联想 ThinkSystem SR650 V2 + SR630 V2 + 华为 CE6800
+覆盖所有 110 亿个二维码,最大 200KB 大小
导入节点:10-32 GB/s 物理介质导入(无网络瓶颈)
不包括 UPS(超出项目范围)
中国部署建议(IT 机房,13 个存储节点): 1. 使用联想 ThinkSystem + 华为 - 公开定价可用,比戴尔节省 20% 2. IT 机房需求(13 个存储节点,完整 2.29 PB): - 电源:需要 12.7 kW 容量(208V 三相,30A × 2 PDU) - 冷却:43,400 BTU/hr 散热(~3.6 吨,12.7 kW × 3,412 BTU/kW) - 地板承重:~1,100 kg 总重量(17 台服务器 + 交换机 + 机架) - 导入节点的操作员访问(前面板热插拔) - 机架空间:使用 42U 中的 35U(7U 用于未来扩展) 3. 本地支持合同 必不可少(联想 + 华为在中国有优秀的支持,4 小时响应) 5. 批量采购折扣 - 大订单协商 10-15% 折扣 6. 付款条件: Net 30-90 常见,一些供应商提供 6-12 个月融资 7. 增值税发票(增值税发票): 税务抵扣必不可少,确保所有供应商提供 8. 国产驱动器: 从中国工厂购买 Seagate/WD 以避免进口增值税 9. 网络集成: 规划到现有企业网络的上行链路
+供应商联系(中国):
+联想:DCG(数据中心集团)- https://www.lenovo.com/cn/zh/data-center(联想数据中心)
+ThinkSystem 服务器在网站上有公开定价
联系:400-100-6000(中国热线)
华为:企业网络部门 - https://e.huawei.com(华为企业)
+CloudEngine 交换机需要企业报价
联系本地华为客户经理
本地集成商:通常比直接购买便宜 5-10%(例如,神州数码 Digital China)
推荐配置:联想 ThinkSystem + 华为在二线城市
+硬件(13 个存储节点,完整 2.29 PB 容量):
+13x 联想 ThinkSystem SR650 V2 存储节点(每个 24x 22TB SAS)= 2.29 PB 可用
3x 联想 ThinkSystem SR630 V2 控制/计算节点(多用途)
1x 联想 ThinkSystem SR650 V2 导入节点(前面板热插拔)
2x 华为 CloudEngine 6800-48S-EI 交换机(48 端口 25GbE)
容量: 2.29 PB 可用 - 覆盖所有 110 亿个二维码,最大 200KB 大小
+成本:
+资本支出: ¥1,973,000(约 $274K USD)
注意: 不包括 UPS(超出项目范围)。基于联想中国和华为公开定价。
电源需求:
+总计: 12.7 kW(9.8 kW 实际 + 30% 余量)
冷却: 43,400 BTU/hr(~3.6 吨)