Shrink the root partition under redhat6 LVM

Note:

Not all root partitions are resized and reduced online.

Root partitions can be resized online, but cannot be scaled out online.

1. the Linux system enters the rescue mode.

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Select in sequence:

Welcome Page ---------- rescue installed system

Chose a language ------------- English

Keyboard type --------- us

Rescue method ------------------ Local CD/DVD

Setup networking ---------------- No

Rescue ------------------- SKIP (this is whether to mount the current partition to be skipped)

---------------- Shell start Shell

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Run

pvscan、vgscan、lvscan

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Activate VG Partition

# lvchange -ay  /dev/vg-root/LogVol01

Force repair

e2fsck -f /dev/vg-root/LogVol01

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Shrink File System

resize2fs /dev/vg-root/LogVol01

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Reduce LVM LV

lvreduce -L 10G /dev/vg-root/LogVol01fsck /dev/vg-root/LogVol0

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Restart the system

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This article is from the "Conny" blog, please be sure to keep this source http://conny.blog.51cto.com/3367680/1431670