openstack/cinder
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ScaleIO: Enable multiattach for volumes

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Enable the multiattach capability to allow volumes
to be attached to more than one instance

Change-Id: I1db2771f7c970341f62271a857795d413a506a34
This commit is contained in:
Eric Young 2018-01-05 17:24:13 -05:00
parent d38e2cca3e
commit bfdb90ed62
2 changed files with 11 additions and 0 deletions
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2
cinder/volume/drivers/dell_emc/scaleio/driver.py
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@ -986,6 +986,7 @@ class ScaleIODriver(driver.VolumeDriver):
stats['consistent_group_snapshot_enabled'] = True stats['consistent_group_snapshot_enabled'] = True
stats['thick_provisioning_support'] = True stats['thick_provisioning_support'] = True
stats['thin_provisioning_support'] = True stats['thin_provisioning_support'] = True
stats['multiattach'] = True
pools = [] pools = []
free_capacity = 0 free_capacity = 0
@ -1054,6 +1055,7 @@ class ScaleIODriver(driver.VolumeDriver):
'reserved_percentage': 0, 'reserved_percentage': 0,
'thin_provisioning_support': True, 'thin_provisioning_support': True,
'thick_provisioning_support': True, 'thick_provisioning_support': True,
'multiattach': True,
'provisioned_capacity_gb': provisioned_capacity, 'provisioned_capacity_gb': provisioned_capacity,
'max_over_subscription_ratio': 'max_over_subscription_ratio':
self.configuration.max_over_subscription_ratio self.configuration.max_over_subscription_ratio

9
releasenotes/notes/scaleio-enable-multiattach-e7d84ffa282842e9.yaml Normal file
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@ -0,0 +1,9 @@
---
features:
- |
The multiattach capability has been enabled and verified
as working with the ScaleIO driver. It is the users’
responsibility to add some type of exclusion (at the file
system or network file system layer) to prevent multiple
writers from corrupting data on the volume.