centos – VPS:升级后如何更新可用硬盘空间?

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我对OVH上托管的VPS进行了升级,特别是从VPS CLOUD 1升级到VPS CLOUD 2,其中先前的解决方案多了25gb(总共50gb).

在这个VPS上安装了CentOS 7.2.1511

有df -HT的结果

  1. [root@srv ~]# df -HT
  2. File system Tipo Dim. Usati Dispon. Uso% Montato su
  3. /dev/vda1 xfs 27G 12G 16G 42% /
  4. devtmpfs devtmpfs 2,1G 0 2,1G 0% /dev
  5. tmpfs tmpfs 2,1G 0% /dev/shm
  6. tmpfs tmpfs 2,1G 18M 2,1G 1% /run
  7. tmpfs tmpfs 2,1G 0% /sys/fs/cgroup
  8. tmpfs tmpfs 405M 0 405M 0% /run/user/0

有fdisk -l |的结果grep磁盘

  1. [root@srv ~]# fdisk -l | grep Disk
  2. Disk /dev/vda: 53.7 GB,53687091200 bytes,104857600 sectors
  3. Disk label type: dos

其他磁盘信息:

  1. [root@srv ~]# fdisk -l /dev/vda
  2.  
  3. Disk /dev/vda: 53.7 GB,104857600 sectors
  4. Units = sectors of 1 * 512 = 512 bytes
  5. Sector size (logical/physical): 512 bytes / 512 bytes
  6. I/O size (minimum/optimal): 512 bytes / 512 bytes
  7. Disk label type: dos
  8. Identificativo disco: 0x000af71d
  9.  
  10. Dispositivo Boot Start End Blocks Id System
  11. /dev/vda1 * 2048 52428799 26213376 83 Linux

我试过这个:

  1. [root@srv ~]# xfs_growfs /dev/vda1 -D 53.7G
  2. Meta-data=/dev/vda1 isize=256 agcount=13,agsize=524224 blks
  3. = sectsz=512 attr=2,projid32bit=1
  4. = crc=0 finobt=0
  5. data = bsize=4096 blocks=6553344,imaxpct=25
  6. = sunit=0 swidth=0 blks
  7. naming =version 2 bsize=4096 ascii-ci=0 ftype=0
  8. log =internal bsize=4096 blocks=2560,version=2
  9. = sectsz=512 sunit=0 blks,lazy-count=1
  10. realtime =none extsz=4096 blocks=0,rtextents=0
  11. data size 53 too small,old size is 6553344

还有这个:

  1. [root@srv ~]# xfs_growfs -d /dev/vda1
  2. Meta-data=/dev/vda1 isize=256 agcount=13,projid32bit=1
  3. = crc=0 finobt=0 spinodes=0
  4. data = bsize=4096 blocks=6553344,rtextents=0
  5. data size unchanged,skipping

显然没有成功.

[UPDATE]
part上的pr命令输出

  1. Modello: Device a blocchi Virtio (virtblk)
  2. Disco /dev/vda: 53,7GB
  3. Dimensione del settore (logica/fisica): 512B/512B
  4. Tabella delle partizioni: msdos
  5. Flag del disco:
  6.  
  7. Numero Inizio Fine Dimensione Tipo File system Flag
  8. 1 1049kB 26,8GB 26,8GB primary xfs avvio
  9. 2 26,8GB 53,7GB 26,8GB primary xfs

如何在不破坏数据的情况下扩展可用磁盘空间?重启服务器不是问题.

xfs_growfs -d / dev / vda1

Capital -D增长到指定大小in filesystem blocks,它不理解’G’.因此它假设你想要53个文件系统块,但是失败了.

小写-d增长到最大尺寸.

如果你想要特定的尺寸,你应该在块中计算它,例如从fdisk输出,最大大小为26213376.然后-D 26213376也将从现在的6553344个块增加到最大值.

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