From bfdb90ed620d6ef424188e187593940867dbaca5 Mon Sep 17 00:00:00 2001 From: Eric Young Date: Fri, 5 Jan 2018 17:24:13 -0500 Subject: [PATCH] ScaleIO: Enable multiattach for volumes Enable the multiattach capability to allow volumes to be attached to more than one instance Change-Id: I1db2771f7c970341f62271a857795d413a506a34 --- cinder/volume/drivers/dell_emc/scaleio/driver.py | 2 ++ .../scaleio-enable-multiattach-e7d84ffa282842e9.yaml | 9 +++++++++ 2 files changed, 11 insertions(+) create mode 100644 releasenotes/notes/scaleio-enable-multiattach-e7d84ffa282842e9.yaml diff --git a/cinder/volume/drivers/dell_emc/scaleio/driver.py b/cinder/volume/drivers/dell_emc/scaleio/driver.py index 8f426b7a912..3b9281ac32a 100644 --- a/cinder/volume/drivers/dell_emc/scaleio/driver.py +++ b/cinder/volume/drivers/dell_emc/scaleio/driver.py @@ -986,6 +986,7 @@ class ScaleIODriver(driver.VolumeDriver): stats['consistent_group_snapshot_enabled'] = True stats['thick_provisioning_support'] = True stats['thin_provisioning_support'] = True + stats['multiattach'] = True pools = [] free_capacity = 0 @@ -1054,6 +1055,7 @@ class ScaleIODriver(driver.VolumeDriver): 'reserved_percentage': 0, 'thin_provisioning_support': True, 'thick_provisioning_support': True, + 'multiattach': True, 'provisioned_capacity_gb': provisioned_capacity, 'max_over_subscription_ratio': self.configuration.max_over_subscription_ratio diff --git a/releasenotes/notes/scaleio-enable-multiattach-e7d84ffa282842e9.yaml b/releasenotes/notes/scaleio-enable-multiattach-e7d84ffa282842e9.yaml new file mode 100644 index 00000000000..e0e1c1cce95 --- /dev/null +++ b/releasenotes/notes/scaleio-enable-multiattach-e7d84ffa282842e9.yaml @@ -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. +