Hello,

I have 3 node HCI cluster (Rocky Linux 8, 4.5.7-0.master.20240415165511.git7238a3766d.el8). I had 2 SSD in each node, each as separate brick. Recently I added third SSD and expanded volume to 3 x 3 topology. Despite this, free space on volume was not changed.

gluster volume info vms

Volume Name: vms
Type: Distributed-Replicate
Volume ID: 52032ec6-99d4-4210-8fb8-ffbd7a1e0bf7
Status: Started
Snapshot Count: 0
Number of Bricks: 3 x 3 = 9
Transport-type: tcp
Bricks:
Brick1: 10.0.4.11:/gluster_bricks/vms/vms
Brick2: 10.0.4.13:/gluster_bricks/vms/vms
Brick3: 10.0.4.12:/gluster_bricks/vms/vms
Brick4: 10.0.4.11:/gluster_bricks/vms2/vms2
Brick5: 10.0.4.13:/gluster_bricks/vms2/vms2
Brick6: 10.0.4.12:/gluster_bricks/vms2/vms2
Brick7: 10.0.4.11:/gluster_bricks/vms3/vms3
Brick8: 10.0.4.12:/gluster_bricks/vms3/vms3
Brick9: 10.0.4.13:/gluster_bricks/vms3/vms3
Options Reconfigured:
cluster.shd-max-threads: 1
performance.client-io-threads: off
nfs.disable: on
storage.fips-mode-rchecksum: on
transport.address-family: inet
storage.owner-uid: 36
storage.owner-gid: 36
features.shard: on
performance.low-prio-threads: 32
performance.strict-o-direct: on
network.remote-dio: off
network.ping-timeout: 30
user.cifs: off
performance.quick-read: off
performance.read-ahead: off
performance.io-cache: off
cluster.eager-lock: enable
performance.stat-prefetch: off
cluster.granular-entry-heal: enable
storage.health-check-interval: 0

df -h on all nodes looks the same

...
10.0.4.11:/engine 100G 23G 78G 23% /rhev/data-center/mnt/glusterSD/10.0.4.11:_engine 10.0.4.11:/vms 1.7T 773G 952G 45% /rhev/data-center/mnt/glusterSD/10.0.4.11:_vms
...
/dev/mapper/gluster_vg_sdb-gluster_lv_engine 100G 22G 79G 22% /gluster_bricks/engine /dev/mapper/gluster_vg_sdb-gluster_lv_vms 794G 476G 319G 60% /gluster_bricks/vms /dev/mapper/gluster_vg_sdd-gluster_lv_vms2 930G 553G 378G 60% /gluster_bricks/vms2 /dev/mapper/gluster_vg_vms3-gluster_lv_vms3 932G 6.6G 925G 1% /gluster_bricks/vms3
...

size of mounted vms volume is reported as 1.7T which is old value (sum of two bricks - 794G + 930G). Correct size should be sum of all bricks - around 2.6T.

what step I am missing?

Cheers,

Jiri


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