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bash: extend harddisk space with RHEL7 and lvm
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| yum install system-storage-manager | |
| ssm list | |
| ssm add -p <poolname> <device> | |
| ssm add -p centos /dev/sdb | |
| ssm list | |
| df -h | |
| ssm resize -s size volume | |
| ssm resize -s+20G /dev/centos/root | |
| df -h | |
| voilà! | |
| btw. ... | |
| remove device from pool | |
| ssm remove /dev/sdc | |
| create new pool with device | |
| ssm create -s 8000M -n var --fstype xfs -p besselpool /dev/sdc /var |
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alternative
re-read increased disksize without reboot
echo "1" > /sys/block/sdb/device/resca
resize /dev/sdb
pvresize /dev/sdb
resize volume-group
lvextend /dev/mapper/varvg-var --resizefs -l +100%FREE