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After expanding a Logical Volume (/dev/vg_web/lv_root) using lvextend, what command should typically be run next for an ext4 filesystem to utilize the new space while it is mounted? 在使用 lvextend 擴充了邏輯卷軸 /dev/vg_web/lv_root 之後,若該檔案系統為 ext4 且處於掛載狀態,通常應接著執行下列哪個指令來讓檔案系統使用新增加的空間?

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Answer choices

  1. A mkfs.ext4 /dev/vg_web/lv_root
  2. B vgreduce /dev/vg_web
  3. C resize2fs /dev/vg_web/lv_root
  4. D xfs_growfs /dev/vg_web/lv_root

Learning notes

resize2fs resizes an ext2/ext3/ext4 file system online or offline. resize2fs 可在線上或離線調整 ext 檔案系統的大小以配合擴充後的 LV vgreduce removes a PV from a VG. vgreduce 是用來從 VG 中移除 PV 的指令 xfs_growfs is used for XFS filesystems, not ext4. xfs_growfs 用於 XFS 檔案系統而非 ext4

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