Sunday, July 19, 2015

Gluster News of week #28/2015

Thanks to André Bauer for suggesting a "This week in Gluster" blog post series. This post is the 1st of its kind, and hopefully we manage to write something every week. Future blog posts are edited on a public etherpad where everyone can contribute snippets. Suggestions for improvement can be shared on the mailinglists or on the etherpad.

As every week on Wednesday, there was a Gluster Community Meeting. The minutes have been posted to the list. The next meeting happens on Wednesday, at 12:00 UTC in #gluster-meeting on Freenode IRC.

Proxmox installations of Debian 8 fail when the VM image is stored on a Gluster volume. After many troubleshooting steps and trying different ideas, it was found out that there is an issue with the version of Qemu delivered by Proxmox. Qemu on Proxmox 3.4, the Debian 8 kernel with virtio-disks and storage on Gluster do not work well together. Initially thought to be a Gluster issue, was identified to be related to Proxmox. In order to install Debian 8 on Proxmox 3.4, a workaround is to configure IDE/SATA disks instead of virtio, or use NFS instead of Qemu+libgfapi. More details and alternative workarounds can be found in the email thread.

On IRC, Jampy asked about a problem with Proxmox containers which have their root filesystem on Gluster/NFS. Gluster/NFS has a bug where unix-domain-sockets are created as pipes/fifos. This unsurprisingly causes applications of unix-domain-sockets to behave incorrectly. Bug 1235231 already was filed and fixed in the master branch, on Friday backports have been posted to the release-3.7, 3.6 and 3.5 branches. Next releases are expected to have the fix merged.

Atin sent out a call for "Gluster Office Hours", manning the #gluster IRC channel and announce who will (try to) be available on certian days/times. Anyone who is willing to man the IRC channel and help to answer (or redirect) questions of users can sign up.

From Douglas Landgrafs report of FISL16:
We also had a talk about Gluster and oVirt by Marcelo Barbosa, he showed how oVirt + Gluster is running in the development company that he works. In the end, people asked questions how he integrated FreeIPA with oVirt and how well is running Jenkins and Gerrit servers on top of oVirt. Next year Marcelo should take 2 slots for a similar talks, people are very interested in Gluster with oVirt and real use cases as demonstrated.
GlusterFS 3.5.5 and 3.6.4 have been released and packages for different distributions have been made available.

Our Jenkins instance now supports connecting over https, before only http was available. A temporary self-signed certificate is used, an official one has been requested from the certificate authority.

Manu has updated the NetBSD slaves that are used for regression testing with Jenkins. The slaves are now running NetBSD 7.0 RC1.
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