Trace deleted Linux blocks through fstrim, a thin VMDK, VMFS 6 asynchronous UNMAP, and backing storage—then diagnose where reclamation stops.
Read More »How Linux VM Thin-Disk Reclamation Works on VMFS 6
Hardware & Infrastructure
Can You Stop One HPE DL380 Gen9 Fan Through iLO 4?
Learn why iLO 4 has no supported per-fan stop command on a DL380 Gen9, how to read fan health, and how to diagnose high speed or noise safely.
Read More »Portable USB VMFS Datastore on ESXi 7: What Works and What Is Safe
Understand USB arbitration, per-device exclusion, VMFS handling, reboot requirements, and safer alternatives for moving VMs between ESXi 7 hosts.
Read More »HPE DL380 Gen9 Alternatives: Comparing Used 2U Enterprise Servers
Compare the HPE DL380 Gen9 with Dell R730, Lenovo x3650 M5, Cisco C240 M4, Fujitsu RX2540, and Supermicro alternatives for a used-server purchase.
Read More »How to Clone a PC Disk to USB with Clonezilla—and Restore It Safely
Clone a PC disk to a USB SSD with Clonezilla, choose the correct source and target, verify the copy, and restore it without overwriting the wrong drive.
Read More »USB Passthrough on ESXi When the Host Boots from USB
Avoid disabling an ESXi USB boot device during passthrough. Learn why per-device passthrough is safer, how to prove controller topology, and how to recover.
Read More »TPM, Clock Skew, SSO Token, and Clone Errors in vSphere: What Is Actually Related?
Diagnose HPE ESXi TPM attestation, vMotion clock skew, SSO token failures, and VM clone connectivity without treating unrelated alarms as one fault.
Read More »Is the HPE 872394-B21 SSD Compatible with a DL380 Gen9 and P840?
Verify the HPE 872394-B21 3.84 TB SAS SSD against DL380 Gen9 QuickSpecs, then check the P840, SFF backplane, carrier, cabling and firmware.
Read More »HPE SSD Smart Path vs Controller Cache on a DL380 Gen9
Choose between HPE SSD Smart Path and Smart Array cache, check SSD wear correctly, and verify whether repurposed 3PAR drives belong in a DL380 Gen9.
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