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Add iscsi as secondary storage #3751
Description
It seems iscsi has better performance in comparison to NFS, specially in vmware environment.
So I think it will be a good idea to add support of iscsi to secondary storage.
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Activity
svenvogel commentedon Dec 8, 2019
@geekza1 that would be nice but i think implementation is not easy. since we use managed storage we would recommend it.
aleskxyz commentedon Dec 8, 2019
Could I know what is its name?
Is it compatible with vmware?
If it uses nfs to connect to vmware we may should have the same problem!
bwsw commentedon Dec 17, 2019
Why one needs that if one can use Ceph RBD or S3 (Minio) or even Gluster with minor hacks? I don't think block device is an easy way to use as a SS, because it's necessary to add certain kind of addressing inside (actually a sort of filesystem) and DLM.
DaanHoogland commentedon Dec 11, 2020
@aleskxyz there are improved storage types support for vmware, I don't think for secondary but you might want to look at those (and maybe use direct download if you don't want an nfs store).
@svenvogel is referring to solidfire i think !?!
aleskxyz commentedon Dec 13, 2020
@bwsw The downside of all the mentioned solutions is vmware doesn't mount them directly. An NFS staging server is required for them.
@DaanHoogland Cloudstack only supports certain type of SS that all of them needs an NFS server. I don't get your point about "direct download". Did you mean that I can use an vmfs storage as my SS by editing entries in database?
DaanHoogland commentedon Dec 14, 2020
@aleskxyz please review the release candidate for 4.15. It does support different types of storage on vmware.
DaanHoogland commentedon Feb 1, 2021
@aleskxyz
direct downloadmeans that templates are not downloaded and stored but the remote url is registered and whenever a deploy occurs the template is downloaded to primary if it is not yet available on it. This seems to partially fit your use-case (I don't know if you use backup of snapshots or the likes)DaanHoogland commentedon Jul 4, 2025
@winterhazel are you planning any implementation for this?
winterhazel commentedon Jul 4, 2025
@DaanHoogland yes. I am experimenting some approaches to add support for new secondary storage interfaces, iSCSI included.
github-actions commentedon May 8, 2026
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