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Storage in Practice — RAID, Snapshots, iSCSI, fio
Keep the data when a disk dies or a change goes wrong
중급 · Lessons 11 · Lab 3
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Curriculum
RAID and Disk Replacement
RAID Is Availability, Not Backup — The Rebuild Is the Riskiest Time
reading
Build a RAID1, Kill a Disk, Bring It Back
lab
Quiz: RAID and Disk Replacement
quiz
Snapshots and Choosing a Filesystem
Build the Way Back First — LVM Snapshots, Filesystem Choice, Thin Provisioning
reading
Roll Back with a Snapshot, Grow XFS, Shrink ext4
lab
Quiz: Snapshots, Filesystems, Thin Provisioning
quiz
iSCSI and Multipath
A LUN Is a Disk That Crossed the Network — iSCSI and Multipath
reading
Quiz: iSCSI and Multipath
quiz
Measuring I/O Performance
Turn "The Disk Is Slow" into Numbers — IOPS, Latency, Queue Depth and fio
reading
Attach an iSCSI LUN and Measure It with fio
lab
Quiz: Measuring I/O Performance
quiz
Reference docs
mdadm(8)
Linux RAID (md) admin guide
lvcreate(8)
lvmthin(7)
RFC 7143 — iSCSI
fio documentation