Re: [openstack-dev] [Cinder] Qcow2 support for cinder-backup

2014-05-28 Thread Zhangleiqiang (Trump)
to it (like we did volume metadata), but I don't want to see QCOW or similar going into swift. I agreed with Duncan. I will finish the spec for it within the next few days. -- zhangleiqiang (Trump) Best Regards -Original Message- From: Duncan Thomas [mailto:duncan.tho

[openstack-dev] [Cinder] Question about storage backend capacity expansion

2014-05-14 Thread Zhangleiqiang (Trump)
manually updated the host value of the existing volumes in database, and the existing volumes can then be handled normally. Thanks. -- zhangleiqiang (Trump) Best Regards ___ OpenStack-dev mailing list OpenStack-dev

[openstack-dev] [Cinder] Qcow2 support for cinder-backup

2014-05-12 Thread Zhangleiqiang (Trump)
for backup, and it can be used for GlusterFS too. Any advice? Is there something I have not expected? [1] https://review.openstack.org/#/c/92011/ -- zhangleiqiang (Trump) Best Regards ___ OpenStack-dev mailing list OpenStack-dev

Re: [openstack-dev] [Cinder] Confusion about the respective use cases for volume's admin_metadata, metadata and glance_image_metadata

2014-05-07 Thread Zhangleiqiang (Trump)
according your info above. Hope it is helpful for others: http://eavesdrop.openstack.org/meetings/cinder/2013/cinder.2013-07-17-16.00.log.txt https://review.openstack.org/#/c/38322 -- zhangleiqiang (Trump) Best Regards -Original Message- From: Duncan Thomas

Re: [openstack-dev] [Cinder] Question about synchronized decoration usage in cinder-volume

2014-05-07 Thread Zhangleiqiang (Trump)
the attach_volume) of manager, and since cinder-backup is a standalone process, external=True should be used here. -- zhangleiqiang (Trump) Best Regards -Original Message- From: Vishvananda Ishaya [mailto:vishvana...@gmail.com] Sent: Wednesday, May 07, 2014 12:35 AM To: OpenStack

[openstack-dev] [Cinder] Confusion about the respective use cases for volume's admin_metadata, metadata and glance_image_metadata

2014-05-04 Thread Zhangleiqiang (Trump)
the respective use cases for admin_metada and metadata. For the second situation, what is the better way to handle it? Any advice? -- zhangleiqiang (Trump) Best Regards ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http

[openstack-dev] [Cinder] About store faults info for volumes

2014-04-30 Thread Zhangleiqiang (Trump)
. Maybe it is helpful for users if Cinder also introduces the similar mechanism. Any advice? -- zhangleiqiang (Trump) Best Regards ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman

Re: [openstack-dev] [Cinder] cinder not support query volume/snapshot with regular expression

2014-04-29 Thread Zhangleiqiang (Trump)
Currently, Nova API achieve this feature based on the database’s REGEX support. Do you have advice on alternative way to achieve it? -- zhangleiqiang (Trump) Best Regards From: laserjetyang [mailto:laserjety...@gmail.com] Sent: Tuesday, April 29, 2014 1:49 PM To: OpenStack Development

[openstack-dev] [Cinder] Question about the magic 100M when creating zero-size volume

2014-04-29 Thread Zhangleiqiang (Trump)
codes also exist in ibm.gpfs, san.hp.hp_lefthand_cliq_proxy, san.solaris and huawei.ssh_common. I wonder why the 100M is used here, from the git log I cannot find useful info. Thanks. -- zhangleiqiang (Trump) Best Regards

[openstack-dev] [Nova] Add Qcow2 volume encryption support

2014-04-29 Thread Zhangleiqiang (Trump)
it is meaningful to introduce the support for qcow2 volume encryption? The use case can be found in [1]. [1] https://wiki.openstack.org/wiki/VolumeEncryption [2] http://libvirt.org/formatstorageencryption.html -- zhangleiqiang (Trump) Best Regards

Re: [openstack-dev] [Nova] Add Qcow2 volume encryption support

2014-04-29 Thread Zhangleiqiang (Trump)
@Daniel: Thanks for your explanation, it helps me a lot. -- zhangleiqiang (Trump) Best Regards -Original Message- From: Daniel P. Berrange [mailto:berra...@redhat.com] Sent: Tuesday, April 29, 2014 5:33 PM To: OpenStack Development Mailing List (not for usage

[openstack-dev] [Cinder] Question about synchronized decoration usage in cinder-volume

2014-04-26 Thread Zhangleiqiang (Trump)
://docs.openstack.org/developer/cinder/devref/threading.html#mysql-access-and-eventlet -- zhangleiqiang (Trump) Best Regards ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev

[openstack-dev] [Cinder] cinder not support query volume/snapshot with regular expression

2014-04-25 Thread Zhangleiqiang (Trump)
by name --instance-name name-regexp Search with regular expression match by server name (Admin only). I think it is also needed for Cinder when query the volume/snapshot/backup by name. Any advice? -- zhangleiqiang (Trump

Re: [Openstack] [Nova] How to attach an ISO image in Glance to running instance

2014-04-25 Thread Zhangleiqiang (Trump)
Thanks for your reply and advice. Create a volume from glance image or through “dd” and then attach to Instance do work. However, if we have not persistent-storage (Cinder) or cannot create volume because quota limit, there will no other method to do so? -- zhangleiqiang (Trump) Best

[Openstack] [Nova] How to attach an ISO image in Glance to running instance

2014-04-23 Thread Zhangleiqiang (Trump)
in Glance be attach to running instance directly? -- zhangleiqiang (Trump) Best Regards ___ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http

[openstack-dev] [nova] Question about modifying instance attribute(such as cpu-QoS, disk-QoS ) without shutdown the instance

2014-04-08 Thread Zhangleiqiang (Trump)
the capability of online adjusting these instance attribute? Thanks -- zhangleiqiang (Trump) Best Regards ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev

Re: [openstack-dev] [nova] Feature about QEMU Assisted online-extend volume

2014-03-28 Thread Zhangleiqiang (Trump)
Hi, Duncan: Thanks for your advice. About the summit session you mentioned, what things can I do for it ? -- zhangleiqiang (Trump) Best Regards -Original Message- From: Duncan Thomas [mailto:duncan.tho...@gmail.com] Sent: Friday, March 28, 2014 12:43 AM

Re: [openstack-dev] [Nova][Cinder] Feature about Raw Device Mapping

2014-03-19 Thread Zhangleiqiang (Trump)
From: Huang Zhiteng [mailto:winsto...@gmail.com] Sent: Wednesday, March 19, 2014 12:14 PM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [Nova][Cinder] Feature about Raw Device Mapping On Tue, Mar 18, 2014 at 5:33 PM, Zhangleiqiang (Trump

Re: [openstack-dev] [Nova][Cinder] Feature about Raw Device Mapping

2014-03-18 Thread Zhangleiqiang (Trump)
From: Huang Zhiteng [mailto:winsto...@gmail.com] Sent: Tuesday, March 18, 2014 4:40 PM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [Nova][Cinder] Feature about Raw Device Mapping On Tue, Mar 18, 2014 at 11:01 AM, Zhangleiqiang (Trump

[openstack-dev] [Nova][Cinder] Feature about Raw Device Mapping

2014-03-17 Thread Zhangleiqiang (Trump)
] https://blueprints.launchpad.net/nova/+spec/libvirt-virtio-scsi-driver -- zhangleiqiang (Trump) Best Regards ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev

Re: [openstack-dev] [Nova][Cinder] Feature about Raw Device Mapping

2014-03-17 Thread Zhangleiqiang (Trump)
From: Huang Zhiteng [mailto:winsto...@gmail.com] Sent: Tuesday, March 18, 2014 10:32 AM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [Nova][Cinder] Feature about Raw Device Mapping On Tue, Mar 18, 2014 at 9:40 AM, Zhangleiqiang (Trump

Re: [openstack-dev] [nova][cinder] non-persistent storage(after stopping VM, data will be rollback automatically), do you think we shoud introduce this feature?

2014-03-17 Thread Zhangleiqiang (Trump)
From: Vishvananda Ishaya [mailto:vishvana...@gmail.com] Sent: Tuesday, March 18, 2014 2:28 AM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [nova][cinder] non-persistent storage(after stopping VM, data will be rollback automatically), do you

Re: [openstack-dev] Disaster Recovery for OpenStack - call for stakeholder

2014-03-13 Thread Zhangleiqiang (Trump)
About the (1) [Single VM], the use cases as follows can be supplement. 1. Protection Group: Define the set of instances to be protected. 2. Protection Policy: Define the policy for protection group, such as sync period, sync priority, advanced features, etc. 3. Recovery Plan:Define the

Re: [openstack-dev] [Nova][Cinder] Feature about volume delete protection

2014-03-13 Thread Zhangleiqiang (Trump)
From: sxmatch [mailto:sxmatch1...@gmail.com] Sent: Friday, March 14, 2014 11:08 AM To: Zhangleiqiang (Trump) Cc: openstack-dev@lists.openstack.org Subject: Re: [openstack-dev] [Nova][Cinder] Feature about volume delete protection 于 2014-03-11 19:24, Zhangleiqiang 写道: From: Huang