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os-brick
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Volume discovery and local storage management lib
616 Commits 9 Branches 53 Tags 30 MiB
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Gorka Eguileor cd9da93ee1 Fix multipath disconnect with path failure 
Under certain conditions detaching a multipath device may result on
failure when flushing one of the individual paths, but the disconnect
should have succeeded, because there were other paths available to flush
all the data.

OS-Brick is currently following standard recommended disconnect
mechanism for multipath devices:

- Release all device holders
- Flush multipath
- Flush single paths
- Delete single devices

The problem is that this procedure does an innecessary step, flushing
individual single paths, that may result in an error.

Originally it was thought that the individual flushes were necessary to
prevent data loss, but upon further study of the multipath-tools and the
device-mapper code it was discovered that this is not really the case.

After the multipath flushing has been completed we can be sure that the
data has been successfully sent and acknowledge by the device.

Closes-Bug: #1785669
Change-Id: I10f7fea2d69d5d9011f0d5486863a8d9d8a9696e
(cherry picked from commit d866ee75c2)
(cherry picked from commit b253e31696)
 		2018-08-21 11:46:42 -05:00
doc/source doc: Restructure docs for doc-migration 2017-08-08 15:44:29 +01:00
etc/os-brick/rootwrap.d Trivial rootwrap -> privsep replacement 2016-04-15 15:29:25 +00:00
os_brick Fix multipath disconnect with path failure 2018-08-21 11:46:42 -05:00
releasenotes Fix multipath disconnect with path failure 2018-08-21 11:46:42 -05:00
tools Avoid tox_install.sh for constraints support 2017-12-02 16:51:51 +00:00
.coveragerc Fix coverage generation 2016-04-20 15:52:31 +00:00
.gitignore Add .stestr.conf configuration 2017-10-02 17:35:26 -05:00
.gitreview Update .gitreview for stable/queens 2018-01-24 18:02:15 +00:00
.mailmap Created the Brick library from Cinder 2015-01-22 19:09:30 +00:00
.stestr.conf Add .stestr.conf configuration 2017-10-02 17:35:26 -05:00
CONTRIBUTING.rst Update and replace http with https for doc links 2017-07-26 02:18:44 +00:00
HACKING.rst Update and replace http with https for doc links 2017-07-26 02:18:44 +00:00
LICENSE Created the Brick library from Cinder 2015-01-22 19:09:30 +00:00
README.rst Update and replace http with https for doc links 2017-07-26 02:18:44 +00:00
babel.cfg Created the Brick library from Cinder 2015-01-22 19:09:30 +00:00
bindep.txt Update and replace http with https for doc links 2017-07-26 02:18:44 +00:00
pylintrc Add pylint tox env 2016-04-04 18:02:19 -04:00
requirements.txt Updated from global requirements 2018-02-13 01:57:18 +00:00
setup.cfg Merge "Update and replace http with https for doc links" 2017-09-01 14:22:15 +00:00
setup.py Updated from global requirements 2017-03-10 19:12:09 +00:00
test-requirements.txt Updated from global requirements 2018-02-13 01:57:18 +00:00
tox.ini Update UPPER_CONSTRAINTS_FILE for stable/queens 2018-01-24 18:02:18 +00:00

README.rst

Team and repository tags

image

brick

Latest Version

Downloads

OpenStack Cinder brick library for managing local volume attaches

Features

  • Discovery of volumes being attached to a host for many transport protocols.
  • Removal of volumes from a host.

Hacking

Hacking on brick requires python-gdbm (for Debian derived distributions), Python 2.7 and Python 3.4. A recent tox is required, as is a recent virtualenv (13.1.0 or newer).

If "tox -e py34" fails with the error "db type could not be determined", remove the .testrepository/ directory and then run "tox -e py34".

For any other information, refer to the developer documents:

https://docs.openstack.org/os-brick/latest/

OR refer to the parent project, Cinder:

https://docs.openstack.org/cinder/latest/