Re: [ovirt-devel] Upgrade storage domains' version to V4 for 4.1 DCs

On Sun, Sep 18, 2016 at 3:34 PM, Maor Lipchuk <mlipchuk(a)redhat.com&gt; wrote: > Hi all, > > Few moments ago I've merged the Data Center 4.1 upgrade patches (see [1]) > The patches introduce a change in the storage domains' meta data to > version 4 which are attached to a 4.1 Data Center > > Currently, there are no differences between version 3 and version 4, but > the plan will be to add extra functionalities to V4 storage domains such as > supporting qcow 1.1 > It'd be great if we can document in ovirt.org somewhere what features are going to be available in 4.1 DC. I'm aware of qcow2v3, libgfapi, copy via HSM and discard. io=native everywhere is a EL7.3 feature, could be coupled with the DC level - not sure. I hope we can also increase the lease metadata space, but that's possibly not a 4.1 goal. Y.

> For those of you which already have a 4.1 DC, you might encounter some > problems since your storage domains are still configured as V3 and should > be upgraded. > > For your master environment to be compatible with those changes the > following changes should be performed: > > * In the engine side: > 1. Change the storage domains version from V3 to V4: > update storage_domain_static set storage_domain_format_type = 4 where > id = (SELECT id from storage_domains where storage_pool_name = '{Data > Center name}'); > > 2. Change the storage pool format type to 4: > update storage_pool set storage_pool_format_type = 4 where name = > '{Data Center name}'; > > * In the VDSM side: > 1. call the upgradeStoragePool verb: > vdsClient -s 0 upgradeStoragePool {storage_pool_id} 4 > > Please let me know if you encounter any issues > > Regards, > Maor > > > [1] > https://gerrit.ovirt.org/#/c/63637/ > https://gerrit.ovirt.org/#/c/63717/ > https://gerrit.ovirt.org/#/c/63547/ > > _______________________________________________ > Devel mailing list > Devel(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/devel >