RAID reports a degraded disk, what's the right order?
Don't yank the hot disk blindly; first read which slot maps to which disk.
Try this first
- 1Identify the right physical slot via management tool
- 2Verify backup status first
- 3Hot-swap per vendor procedure
- 4Monitor rebuild until fully green
When to bring us in
Multiple disks degraded simultaneously: stop, don't keep swapping; could be backplane or controller.
See also
- One DC or two DCs for an SMB office?Two is almost always the right answer; one DC is a single point of failure for logon, DNS and GPOs.
- Should I split FSMO roles across two DCs?For a small domain all on one DC is fine; with two DCs splitting is tidier but not required.
- How do I know my AD replication is healthy?Replication errors creep in silently; they only surface when logins or GPOs misbehave.
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