rohityadavcloud opened a new issue, #7934:
URL: https://github.com/apache/cloudstack/issues/7934
I've a 3-node kvm/Ubuntu 22.04 setup with ACS 4.18.0.0. Linstor that uses
LVM_THIN on a 2TB nvme (on each of kvm1/2/3 nodes). I created a resource group
`cloudstack` with placecount of 2, and add that as a zone-wide primary linstor
storage in CloudStack with a specific storage tag `linstor`. Further I created
disk and compute offerings with the same storage tag. I found the following
issues:
1. I deployed a four test VMs with varying linstor specific offering, both
using the compute offering and using the overiding disk offering for the root
disk using the UI. In the created root disk for the VM, it uses the template's
original size and doesn't resize the linstor volume based on the offering's
disk size. The compute/disk offering specifies 100G as disk size.
```
# linstor v l
╭───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
┊ Node ┊ Resource ┊ StoragePool ┊
VolNr ┊ MinorNr ┊ DeviceName ┊ Allocated ┊ InUse ┊ State ┊
╞═══════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╡
┊ kvm1 ┊ cs-714a4f1f-93f4-4166-9b02-cf498c41aa07 ┊ nvme_pool ┊
0 ┊ 1003 ┊ /dev/drbd1003 ┊ 2.20 GiB ┊ Unused ┊ UpToDate ┊
┊ kvm2 ┊ cs-714a4f1f-93f4-4166-9b02-cf498c41aa07 ┊ DfltDisklessStorPool ┊
0 ┊ 1003 ┊ /dev/drbd1003 ┊ ┊ InUse ┊ Diskless ┊
┊ kvm3 ┊ cs-714a4f1f-93f4-4166-9b02-cf498c41aa07 ┊ nvme_pool ┊
0 ┊ 1003 ┊ /dev/drbd1003 ┊ 2.20 GiB ┊ Unused ┊ UpToDate ┊
┊ kvm1 ┊ cs-748e7f9d-7257-48dd-9efa-971396fee88f ┊ nvme_pool ┊
0 ┊ 1000 ┊ /dev/drbd1000 ┊ 2.20 GiB ┊ Unused ┊ UpToDate ┊
┊ kvm2 ┊ cs-748e7f9d-7257-48dd-9efa-971396fee88f ┊ DfltDisklessStorPool ┊
0 ┊ 1000 ┊ /dev/drbd1000 ┊ ┊ Unused ┊ Diskless ┊
┊ kvm3 ┊ cs-748e7f9d-7257-48dd-9efa-971396fee88f ┊ nvme_pool ┊
0 ┊ 1000 ┊ /dev/drbd1000 ┊ 2.20 GiB ┊ Unused ┊ UpToDate ┊
┊ kvm1 ┊ cs-98ff59bc-3dd0-4efb-ba9a-381c6b5642c4 ┊ nvme_pool ┊
0 ┊ 1001 ┊ /dev/drbd1001 ┊ 2.20 GiB ┊ Unused ┊ UpToDate ┊
┊ kvm2 ┊ cs-98ff59bc-3dd0-4efb-ba9a-381c6b5642c4 ┊ nvme_pool ┊
0 ┊ 1001 ┊ /dev/drbd1001 ┊ 2.20 GiB ┊ Unused ┊ UpToDate ┊
┊ kvm3 ┊ cs-98ff59bc-3dd0-4efb-ba9a-381c6b5642c4 ┊ DfltDisklessStorPool ┊
0 ┊ 1001 ┊ /dev/drbd1001 ┊ ┊ Unused ┊ TieBreaker ┊
┊ kvm1 ┊ cs-bdad90e3-2443-4d01-aef9-1f37db7b3a5a ┊ nvme_pool ┊
0 ┊ 1002 ┊ /dev/drbd1002 ┊ 2.22 GiB ┊ InUse ┊ UpToDate ┊
┊ kvm2 ┊ cs-bdad90e3-2443-4d01-aef9-1f37db7b3a5a ┊ DfltDisklessStorPool ┊
0 ┊ 1002 ┊ /dev/drbd1002 ┊ ┊ Unused ┊ Diskless ┊
┊ kvm3 ┊ cs-bdad90e3-2443-4d01-aef9-1f37db7b3a5a ┊ nvme_pool ┊
0 ┊ 1002 ┊ /dev/drbd1002 ┊ 2.22 GiB ┊ Unused ┊ UpToDate ┊
╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
```
2. I also tried resizing the volume via CloudStack's volume -> resize, but
that doesn't work either.
3. I tried to create data disk with the same offering, while the offering's
size was 100G in the `linstor v l` I saw a new entries but with only 20.48MiB
size:
```
┊ kvm1 ┊ cs-d4eea962-011c-411b-85d6-9a0bd26a1f44 ┊ DfltDisklessStorPool ┊
0 ┊ 1006 ┊ /dev/drbd1006 ┊ ┊ InUse ┊ Diskless ┊
┊ kvm2 ┊ cs-d4eea962-011c-411b-85d6-9a0bd26a1f44 ┊ nvme_pool ┊
0 ┊ 1006 ┊ /dev/drbd1006 ┊ 20.48 MiB ┊ Unused ┊ UpToDate ┊
┊ kvm3 ┊ cs-d4eea962-011c-411b-85d6-9a0bd26a1f44 ┊ nvme_pool ┊
0 ┊ 1006 ┊ /dev/drbd1006 ┊ 20.48 MiB ┊ Unused ┊ UpToDate ┊
```
4. For each VM deployment using the same VM template, in linstor I see
multiple volume created. I'm not entirely sure if it's a bug, could you advise
if it's expected that the current linstor plugin would create a volume per KVM
host?
cc @rp- @Philipp-Reisner - pl advise if you need any further information,
unless I've done something wrong (and obvious?), users wouldn't be able to
try/use Linstor with CloudStack. Thanks.
# linstor --version
linstor-client 1.19.0; GIT-hash: 500970a65717de3eeba002ee32ceb668ebd654b1
# cat /proc/drbd
version: 9.2.5 (api:2/proto:86-122)
GIT-hash: b44520271e63d4b6f359a6642eb4d475b7cc04e0 build by root@kvm3,
2023-09-01 18:27:18
Transports (api:18): tcp (9.2.5)
##### ISSUE TYPE
* Bug Report
##### COMPONENT NAME
<!--
Categorize the issue, e.g. API, VR, VPN, UI, etc.
-->
~~~
Linstor storage plugin
~~~
##### CLOUDSTACK VERSION
<!--
New line separated list of affected versions, commit ID for issues on main
branch.
-->
~~~
5.18.0.0
~~~
##### CONFIGURATION
<!--
Information about the configuration if relevant, e.g. basic network,
advanced networking, etc. N/A otherwise
-->
Adv zone KVM with Ubuntu 22.04 using hwe kernel 6.2.0-31-generic
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