Hospital, East Java · Solution design & implementationRumah sakit, Jawa Timur · Desain solusi & implementasi
Hospital infrastructure with DC-DRC failoverInfrastruktur rumah sakit dengan failover DC-DRC
End-to-end design that keeps hospital services running when the data center fails. Every building has uplinks to both the DC and the DRC.Desain end-to-end agar layanan rumah sakit tetap berjalan saat data center gagal. Setiap gedung memiliki uplink ke DC dan DRC sekaligus.
DC primaryutama
- Proxmox VE HCI cluster (HA)Proxmox VE HCI cluster (HA)
- H3C core switch · VRRP master
- Hillstone firewall · north-south trafficFirewall Hillstone · trafik north-south
- Windows Server DHCP & DNS
→Periodic VM backupsBackup VM periodik
⇄VRRP gateway failoverFailover gateway VRRP
⇄DHCP failover & DNS replicationDHCP failover & replikasi DNS
DRC recoverypemulihan
- Proxmox VE + Proxmox Backup Server
- H3C core switch · VRRP backup gateway
- Windows Server DHCP & DNS
WatchGuard Endpoint Security Elite protects every server and endpointWatchGuard Endpoint Security Elite melindungi seluruh server dan endpoint
Result:Hasil: if the DC goes down, the DRC becomes the gateway automatically; admins restore VMs at the DRC and services resume within 1–2 hours (RTO), with at most 3 hours of data loss (RPO). Tested.jika DC mati, DRC otomatis mengambil alih sebagai gateway; admin me-restore VM di DRC dan layanan kembali dalam 1–2 jam (RTO), dengan data hilang maksimal 3 jam (RPO). Sudah diuji.
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Proxmox VE HCIProxmox Backup ServerH3C VRRPWindows Server DHCP/DNSHillstoneWatchGuardHealthcare
Regional bank, Indonesia · Development environmentBank daerah, Indonesia · Lingkungan development
13-node Proxmox VE cluster on dual-fabric Fibre Channel SANCluster Proxmox VE 13-node di atas Fibre Channel SAN dual-fabric
Gave retired production hardware a second life: blade servers and two SAN arrays, over 10 years old and freed up by a production refresh, rebuilt as a development cluster. Hardware faults were fixed by reusing parts from inactive units.Memberi umur kedua pada hardware production yang sudah pensiun: server blade dan dua storage SAN berusia lebih dari 10 tahun, yang tidak terpakai setelah peremajaan production, dibangun ulang menjadi cluster development. Kerusakan hardware diatasi dengan komponen dari unit yang tidak aktif.
Result:Hasil: two SAN arrays shared by all 13 nodes over two FC fabrics with multipath, HA for VMs, ready-to-clone templates and training for the bank's team.dua storage SAN dipakai bersama oleh 13 node lewat dua fabric FC dengan multipath, HA untuk VM, template siap clone, dan pelatihan untuk tim bank.
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Proxmox VEFibre Channel SANMultipathHAHardware repurposing
Education foundation, East Java · Managed servicesYayasan pendidikan, Jawa Timur · Managed services
Managed infrastructure for 6 schools and 2,200+ studentsManaged infrastructure untuk 6 sekolah dan 2.200+ siswa
Ongoing operation of 100+ Wi-Fi access points and on-premises servers for a foundation running kindergarten to boarding high school, with 300+ teachers and staff. Reworked channel planning and transmit power, consolidated per-classroom SSIDs, segmented the network with VLANs, tuned Moodle (Nginx, PHP-FPM, Redis, MariaDB Galera + MaxScale) and added Keycloak SSO for e-learning, SIAKAD and Microsoft 365.Pengelolaan berkelanjutan 100+ access point Wi-Fi dan server on-premises untuk yayasan yang menaungi TK hingga SMA boarding, dengan 300+ guru dan staf. Menata ulang channel planning dan transmit power, menyatukan SSID yang sebelumnya berbeda di tiap kelas dan area, segmentasi jaringan dengan VLAN, optimasi Moodle (Nginx, PHP-FPM, Redis, MariaDB Galera + MaxScale), serta menambahkan SSO Keycloak untuk e-learning, SIAKAD, dan Microsoft 365.
Result:Hasil: chronic Wi-Fi problems resolved with minimal hardware replacement, and Moodle now serves thousands of students without slowdowns.masalah Wi-Fi yang menahun teratasi dengan penggantian perangkat minimal, dan Moodle kini melayani ribuan siswa tanpa kendala.
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Managed servicesRF planningVLANMoodleMariaDB GaleraKeycloak SSOOSPF
State university, Central Java · MigrationUniversitas negeri, Jawa Tengah · Migrasi
Nutanix to Proxmox VE: 16 VMs, 4.2 TiB, 9 batchesNutanix ke Proxmox VE: 16 VM, 4,2 TiB, 9 batch
The university chose not to renew Nutanix. Proxmox VE + Ceph was installed on the existing Nutanix hardware: one cluster was emptied with zero-downtime live migration, rebuilt as 3-node HCI, then running VMs moved across with a custom import script.Kampus memutuskan tidak memperpanjang Nutanix. Proxmox VE + Ceph dipasang di hardware Nutanix yang sudah ada: satu cluster dikosongkan dengan live migration tanpa downtime, dibangun ulang sebagai HCI 3 node, lalu VM aktif dipindahkan dengan script impor khusus.
Result:Hasil: 16 running VMs (4.2 TiB) migrated in 10 days, and 25 overprovisioned VMs rightsized along the way.16 VM aktif (4,2 TiB) termigrasi dalam 10 hari, dan 25 VM overprovisioned di-rightsize selama proses.
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Nutanix AHVProxmox VECephLive migrationAutomation
Public hospital & state university, East JavaRS daerah & universitas negeri, Jawa Timur
HPE Aruba Wi-Fi at scale: 481 access pointsHPE Aruba Wi-Fi skala besar: 481 access point
382 access points serving thousands of daily users at a large hospital, plus a new university network: wireless controller, 99 indoor Wi-Fi 6 and outdoor access points across two campuses, and core and access switches.382 access point melayani ribuan pengguna harian di rumah sakit besar, ditambah jaringan baru sebuah universitas: wireless controller, 99 access point Wi-Fi 6 indoor dan outdoor di dua kampus, serta switch core dan akses.
HPE ArubaWireless LANHealthcareEducation
