IT Support

Server Maintenance Basics: The Quarterly Checklist That Prevents Emergencies

Servers rarely die suddenly; they die ignored. Almost every “the server crashed” emergency we respond to left months of warnings in logs nobody read, backups nobody verified, and a closet nobody opened. This checklist is the antidote — unglamorous, effective, and cheap compared to any Tuesday it prevents.

Monthly (30–60 minutes)

• Patches, deliberately: apply OS and firmware updates on a schedule, after hours, with a rollback plan — not auto-applied at 9am Monday, not deferred since spring.
• Backup verification: confirm jobs succeeded and restore a test file. A green checkmark is a claim; a restored file is proof.
• Storage health: check drive SMART status and RAID state. A degraded array running on its last disk is the most common silent emergency in small business — the second failure is the catastrophe.
• Capacity glance: disk space, memory pressure, anything trending toward full. Full disks cause weird failures that masquerade as everything else.

Quarterly (half a day)

• Full restore test: recover a system or key dataset to alternate hardware/VM and time it. Now you know your real recovery window.
• Log review: scan for repeated errors, failed logins, and hardware warnings — servers confess in logs long before they quit.
• Account audit: disable ghosts (see: offboarding), review admin group membership, rotate anything stale.
• Physical inspection: fans spinning, no amber lights, UPS battery tested (they age out in ~3–5 years), intake filters not felted with dust, closet temperature sane.
• Documentation touch: update the one-pager: what runs on this box, credentials location, restore steps. Future-you says thanks.

Annually

UPS battery replacement review, warranty/end-of-life check on the hardware, and a capacity plan — replace servers on your schedule, never on theirs.

Or make it someone's job

This checklist is exactly what our managed support performs on schedule — with monitoring that reads the logs continuously instead of quarterly. If nobody currently owns this list for your server, that's the gap to close this month.