How to extend the datastore size

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parker0909

Well-Known Member
Aug 5, 2019
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Hi All,

I just setup the new Proxmox Backup Server for testing. I have created the datastore as below command. May i know it possible to extend the size when i already add more disk space in the hypervisor level for this disk?

# proxmox-backup-manager disk initialize sdb
#proxmox-backup-manager disk fs create store1 --disk sdb --filesystem xfs --add-datastore true

I checked that the datastore just any sample disk type without any LVM. May i know any suggestion for extend the size for backup datastore. Thank you.

Regards,
Parker
 
Thank you. i tried to Resize the disk by parted.but it seem the size still not grow. I tried to use xfs_growfs command to enlarge the size but i got the warning should be "/dev/sdb1 is not a mounted XFS filesystem". Thank you.

root@pbs:~# xfs_growfs /dev/sdb1
xfs_growfs: /dev/sdb1 is not a mounted XFS filesystem
root@pbs:~# fdisk -l /dev/sdb | grep ^/dev
/dev/sdb1 2048 6442450910 6442448863 3T Linux filesystem
root@pbs:~# dmesg | grep sdb
[ 2.946902] sd 2:0:1:0: [sdb] 6442450944 512-byte logical blocks: (3.30 TB/3.00 TiB)
[ 2.946958] sd 2:0:1:0: [sdb] Write Protect is off
[ 2.946961] sd 2:0:1:0: [sdb] Mode Sense: 61 00 00 00
[ 2.947019] sd 2:0:1:0: [sdb] Cache data unavailable
[ 2.947022] sd 2:0:1:0: [sdb] Assuming drive cache: write through
[ 2.989166] sdb: sdb1
[ 2.990355] sd 2:0:1:0: [sdb] Attached SCSI disk
[ 7.205699] XFS (sdb1): Mounting V5 Filesystem
[ 7.341310] XFS (sdb1): Ending clean mount
 
what does mount say in the VM?
 
Thank you. This is the result showing in mount command

/dev/sdb1 on /mnt/datastore/store1 type xfs (rw,relatime,attr2,inode64,logbufs=8,logbsize=32k,noquota)
 
xfs_growfs expects the mount point, not the block device.
 
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