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191 lines
4.0 KiB
Markdown
191 lines
4.0 KiB
Markdown
# r630-01 Migration Plan - VMIDs 100-130 and 7800-7811
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**Date:** 2025-01-20
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**Status:** Plan Ready
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**Issue:** Storage capacity limits migration options
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---
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## Storage Requirements
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### VMIDs 100-130 (7 containers)
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**Total:** 96 GB
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- 100: 10 GB
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- 101: 10 GB
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- 102: 2 GB
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- 103: 8 GB
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- 104: 8 GB
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- 105: 8 GB
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- 130: 50 GB
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### VMIDs 7800-7811 (5 containers)
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**Total:** 210 GB
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- 7800: 50 GB
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- 7801: 50 GB
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- 7802: 30 GB
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- 7810: 50 GB
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- 7811: 30 GB
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### Combined Total
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**306 GB required**
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---
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## r630-01 Storage Available
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| Storage | Type | Available |
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|---------|------|-----------|
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| thin1 | lvmthin | 208 GB |
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| local-lvm | lvmthin | 200 GB |
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| local | dir | 536 GB |
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| **Total** | | **944 GB** |
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---
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## Migration Challenge
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**Problem:** Direct migration fails because:
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1. Source VMs use thin1/thin4 storage on r630-02
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2. These storage names don't exist on r630-01 in the same way
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3. Proxmox migration requires compatible storage or backup/restore
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**Solution Options:**
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1. Use backup/restore method
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2. Migrate to available storage (thin1 + local-lvm)
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3. Distribute VMs across multiple storage pools
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---
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## Recommended Migration Plan
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### Option 1: Migrate VMIDs 100-130 to thin1 (96 GB)
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- ✅ Fits in thin1 (208 GB > 96 GB)
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- ✅ 112 GB remaining on thin1
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### Option 2: Migrate VMIDs 7800-7811 to local-lvm (210 GB)
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- ✅ Fits in local-lvm (200 GB... wait, 210 GB > 200 GB)
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- ⚠️ Requires local-lvm + local or just local
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### Option 3: Mixed Storage (Recommended)
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**Phase 1: VMIDs 100-130 → thin1**
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- Storage: thin1 (208 GB available)
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- Required: 96 GB
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- Margin: 112 GB
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**Phase 2: VMIDs 7800-7811 → local storage**
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- Storage: local (536 GB available) or local-lvm + local
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- Required: 210 GB
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- Available: 536 GB (directory storage)
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---
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## Migration Method
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Since direct migration fails due to storage name differences, use **backup/restore method**:
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### Steps for Each VM
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1. **Create backup on source node**
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```bash
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# On r630-02
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vzdump <vmid> --storage local --compress gzip --mode stop
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```
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2. **Restore on target node**
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```bash
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# On r630-02 (can restore to remote node)
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pct restore <vmid> /var/lib/vz/dump/vzdump-lxc-<vmid>-*.tar.gz \
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--storage <target-storage> \
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--target r630-01
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```
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3. **Delete from source**
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```bash
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pct destroy <vmid>
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```
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---
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## Storage Distribution Plan
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### Recommended Distribution
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**thin1 (208 GB):**
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- VMIDs 100-130: 96 GB
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- Remaining: 112 GB
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**local-lvm (200 GB) + local (536 GB):**
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- VMIDs 7800-7811: 210 GB
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- Use local storage (536 GB > 210 GB)
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---
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## Migration Commands
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### VMIDs 100-130 to thin1
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```bash
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# On r630-02
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for vmid in 100 101 102 103 104 105 130; do
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# Backup
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vzdump $vmid --storage local --compress gzip --mode stop
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# Restore to r630-01 with thin1 storage
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BACKUP=$(ls -t /var/lib/vz/dump/vzdump-lxc-$vmid-*.tar.gz | head -1)
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pct restore $vmid $BACKUP --storage thin1 --target r630-01
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# Delete from source
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pct destroy $vmid
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done
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```
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### VMIDs 7800-7811 to local storage
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```bash
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# On r630-02
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for vmid in 7800 7801 7802 7810 7811; do
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# Backup
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vzdump $vmid --storage local --compress gzip --mode stop
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# Restore to r630-01 with local storage
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BACKUP=$(ls -t /var/lib/vz/dump/vzdump-lxc-$vmid-*.tar.gz | head -1)
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pct restore $vmid $BACKUP --storage local --target r630-01
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# Delete from source
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pct destroy $vmid
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done
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```
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---
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## Alternative: Use API Migration
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If we can resolve the storage issue, API migration would be faster:
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```bash
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# This currently fails due to storage name mismatch
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pvesh create /nodes/r630-02/lxc/<vmid>/migrate \
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--target r630-01 \
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--online 0
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```
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---
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## Summary
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**Total Storage Needed:** 306 GB
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**Available on r630-01:** 944 GB
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**Status:** ✅ Sufficient storage available
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**Recommended Approach:**
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- VMIDs 100-130 → thin1 storage (96 GB)
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- VMIDs 7800-7811 → local storage (210 GB)
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**Migration Method:** Backup/Restore (required due to storage name differences)
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---
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**Last Updated:** 2025-01-20
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**Status:** Plan Ready - Backup/Restore Method Required
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