SysAdmin on CK noteshttps://cknotes.kr/en/tags/sysadmin/Recent content in SysAdmin on CK notesHugoen-USTue, 22 Sep 2026 14:00:00 +0900[Linux Guide] Online Disk Expansion Without Reboot & LVM Resizinghttps://cknotes.kr/en/posts/linux-online-lvm-disk-expansion-guide/Tue, 22 Sep 2026 14:00:00 +0900https://cknotes.kr/en/posts/linux-online-lvm-disk-expansion-guide/A complete field guide for IT engineers to safely expand virtual disks, trigger kernel SCSI rescans, resize LVM (pvresize, lvextend), and grow XFS/EXT4 filesystems on running production Linux servers without downtime.