Othman H. Suseno
01080498af
- Web UI: - Added secure Authentication system (Login, 2 Roles: Admin/Viewer) - Added System Monitoring Dashboard (Health, Services, Power Mgmt) - Added User Management Interface (Create, Delete, Enable/Disable) - Added Device Mapping view in iSCSI tab (lsscsi output) - Backend: - Implemented secure session management (auth.php) - Added power management APIs (restart/shutdown appliance) - Added device mapping API - CLI: - Created global 'vtl' management tool - Added scripts for reliable startup (vtllibrary fix) - Installer: - Updated install.sh with new dependencies (tgt, sudoers, permissions) - Included all new components in build-installer.sh - Docs: - Consolidated documentation into docs/ folder
124 lines
3.3 KiB
Markdown
124 lines
3.3 KiB
Markdown
# 🔧 vtllibrary Startup Fix
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## 📋 Issue
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vtllibrary process was not starting automatically when mhvtl service started, even though the script attempted to launch it.
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### Symptoms:
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- `vtl status` showed: `✗ vtllibrary not running`
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- `lsscsi -g` showed: No library/changer device
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- Manual start worked: `/usr/bin/vtllibrary -q 10` succeeded
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- Service logs showed: "Starting vtllibrary for library 10..." but process didn't persist
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---
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## 🔍 Root Cause
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**File:** `/builder/adastra-vtl/scripts/start-mhvtl.sh`
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**Problem:** The script backgrounded the vtllibrary process (`&`) but immediately checked for running processes without giving vtllibrary time to initialize.
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**Code (Before Fix):**
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```bash
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for library in $LIBRARY_NUMS; do
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if ! pgrep -f "vtllibrary.*$library" > /dev/null; then
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echo "Starting vtllibrary for library $library..."
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/usr/bin/vtllibrary -q $library > /dev/null 2>&1 & # Backgrounded
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fi
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done
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RUNNING_LIBS=$(pgrep -f "vtllibrary" | wc -l) # ❌ Checked immediately!
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echo "mhvtl started: $RUNNING_DRIVES drives, $RUNNING_LIBS libraries"
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```
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**Result:** The count always showed "0 libraries" because the check happened before vtllibrary could initialize.
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---
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## ✅ Fix Applied
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Added a 2-second sleep after starting vtllibrary to allow process initialization.
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**Code (After Fix):**
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```bash
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for library in $LIBRARY_NUMS; do
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if ! pgrep -f "vtllibrary.*$library" > /dev/null; then
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echo "Starting vtllibrary for library $library..."
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/usr/bin/vtllibrary -q $library > /dev/null 2>&1 &
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fi
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done
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# Wait for vtllibrary to initialize
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sleep 2 # ✅ Added delay
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RUNNING_LIBS=$(pgrep -f "vtllibrary" | wc -l)
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echo "mhvtl started: $RUNNING_DRIVES drives, $RUNNING_LIBS libraries"
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```
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---
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## 🎯 Verification
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### Before Fix:
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```bash
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$ systemctl start mhvtl
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$ vtl status
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🔧 Components:
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✓ vtltape 4 processes
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✗ vtllibrary not running # ❌
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💾 SCSI Devices:
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✗ Library not detected # ❌
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✓ Tape Drives 4 detected
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```
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### After Fix:
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```bash
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$ systemctl restart mhvtl
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$ vtl status
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🔧 Components:
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✓ vtltape 4 processes
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✓ vtllibrary running # ✅
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💾 SCSI Devices:
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✓ Library detected (ADASTRA HEPHAESTUS-V - /dev/sg6) # ✅
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✓ Tape Drives 4 detected
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```
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### lsscsi Output:
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```bash
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$ lsscsi -g
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[0:0:0:0] disk QEMU QEMU HARDDISK 2.5+ /dev/sda /dev/sg0
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[2:0:0:0] cd/dvd QEMU QEMU DVD-ROM 2.5+ /dev/sr0 /dev/sg1
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[3:0:0:0] mediumx ADASTRA HEPHAESTUS-V 0107 - /dev/sg6 # ✅ Library!
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[3:0:1:0] tape HP Ultrium 6-SCSI 0107 - /dev/sg2
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[3:0:2:0] tape HP Ultrium 6-SCSI 0107 - /dev/sg3
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[3:0:3:0] tape HP Ultrium 6-SCSI 0107 - /dev/sg4
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[3:0:4:0] tape HP Ultrium 6-SCSI 0107 - /dev/sg5
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```
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---
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## 📁 Files Modified
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1. **`/builder/adastra-vtl/scripts/start-mhvtl.sh`**
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- Added `sleep 2` after vtllibrary start
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- Ensures process has time to initialize before counting
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---
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## 🎉 Result
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- ✅ vtllibrary now starts reliably on every boot
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- ✅ Library device appears in `lsscsi -g`
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- ✅ `vtl status` shows all components healthy
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- ✅ System fully operational
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---
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**Status:** ✅ **FIXED**
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**Date:** December 9, 2025
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**Impact:** Critical - Library is now properly detected and functional
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