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Posted to commits@cloudstack.apache.org by "wornet-mwo (via GitHub)" <gi...@apache.org> on 2024/06/05 12:12:25 UTC
[I] Instances volumes stored on linstore are of format qcow2 instead of raw [cloudstack]
wornet-mwo opened a new issue, #9176:
URL: https://github.com/apache/cloudstack/issues/9176
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##### ISSUE TYPE
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* Bug Report
##### COMPONENT NAME
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STORAGE
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##### CLOUDSTACK VERSION
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4.19.0.1
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##### CONFIGURATION
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N/A
##### OS / ENVIRONMENT
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* KVM/libvirt as Virtualization is used
* linstor as primary storage is required
##### SUMMARY
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Volumes attached to instances created in a primary storage backed by linstor are set to format `QCOW2`. That leads to unmigratable Instances.
##### STEPS TO REPRODUCE
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* install a linstor storage as primary storage
* create instance using a storage offering which guarantees usage of linstor (with tags)
* find volume in database
* column `format` is set to `QCOW2` instead of `RAW` (drbd devices are raw by definition)
* (optional: try to migrate the instance to another storage e.g. an nfs -> fails because of wrong qemu-img parameters)
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##### EXPECTED RESULTS
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The correct format is used, when creating an instance.
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##### ACTUAL RESULTS
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The migration of an instance from a linstor to nfs storage failed. The failed command pointed me to the database. Migrating an instance to the linstor storage works great and does not cause the issue, only creating an instance is affected.
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~~~
root@rz0-vh01:~# zgrep qemu-img /var/log/cloudstack/agent/agent.log.2024-06-04.gz
2024-06-04 10:04:56,779 WARN [utils.script.Script] (agentRequest-Handler-4:null) (logid:0af75212) Execution of process [28987] for command [qemu-img convert -O qcow2 -U --image-opts driver=qcow2,file.filename=/dev/drbd1001 /mnt/f8a61f1d-8644-31f2-a519-83ac3f94c267/eaf6e6cb-50c9-4cb0-9368-e757fa488d79.qcow2 ] failed.
2024-06-04 10:04:56,779 WARN [utils.script.Script] (agentRequest-Handler-4:null) (logid:0af75212) Process [28987] for command [qemu-img convert -O qcow2 -U --image-opts driver=qcow2,file.filename=/dev/drbd1001 /mnt/f8a61f1d-8644-31f2-a519-83ac3f94c267/eaf6e6cb-50c9-4cb0-9368-e757fa488d79.qcow2 ] encountered the error: [qemu-img: Could not open 'driver=qcow2,file.filename=/dev/drbd1001': Image is not in qcow2 format].
2024-06-04 10:04:56,780 ERROR [kvm.storage.LibvirtStorageAdaptor] (agentRequest-Handler-4:null) (logid:0af75212) Failed to convert /dev/drbd1001 to /mnt/f8a61f1d-8644-31f2-a519-83ac3f94c267/eaf6e6cb-50c9-4cb0-9368-e757fa488d79.qcow2 the error was: qemu-img: Could not open 'driver=qcow2,file.filename=/dev/drbd1001': Image is not in qcow2 format
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Re: [I] Instances volumes stored on linstor are of format qcow2 instead of raw [cloudstack]
Posted by "DaanHoogland (via GitHub)" <gi...@apache.org>.
DaanHoogland closed issue #9176: Instances volumes stored on linstor are of format qcow2 instead of raw
URL: https://github.com/apache/cloudstack/issues/9176
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Re: [I] Instances volumes stored on linstor are of format qcow2 instead of raw [cloudstack]
Posted by "DaanHoogland (via GitHub)" <gi...@apache.org>.
DaanHoogland commented on issue #9176:
URL: https://github.com/apache/cloudstack/issues/9176#issuecomment-2532117713
fixed by #9528
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Re: [I] Instances volumes stored on linstor are of format qcow2 instead of raw [cloudstack]
Posted by "rp- (via GitHub)" <gi...@apache.org>.
rp- commented on issue #9176:
URL: https://github.com/apache/cloudstack/issues/9176#issuecomment-2154255096
I noticed this mistake too, I think 2 months ago. It was sadly hidden, because the format is nowhere displayed in CloudStack, just in the database.
I tried to just update the database tables and correctly set it on volume creation, but this sadly created some problems with snapshots and templates AFAIR.
So I thought I would leave it like it is, as I wasn't aware of any problems from it.
Until now...
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Re: [I] Instances volumes stored on linstor are of format qcow2 instead of raw [cloudstack]
Posted by "DaanHoogland (via GitHub)" <gi...@apache.org>.
DaanHoogland commented on issue #9176:
URL: https://github.com/apache/cloudstack/issues/9176#issuecomment-2151570541
@rp- , can you triage this, please?
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