The Gluster community is please to announce the release of GlusterFS-3.4.7. The GlusterFS 3.4.7 release is focused on bug fixes: 33608f5 cluster/dht: Changed log level to DEBUG 076143f protocol: Log ENODATA & ENOATTR at DEBUG in removexattr_cbk a0aa6fb build: argp-standalone, conditional build and build with gcc-5 35fdb73 api: versioned symbols in libgfapi.so for compatibility 8bc612d …Read more
The 4th beta for GlusterFS 3.4.7 is now available for testing. A handful of bugs have been fixed since the 3.4.6 release, check the references below for details. Bug reporters are encouraged to verify the fixes, and we invite others to test this beta to check for regressions. The ETA for 3.4.7 GA is tentatively …Read more
The 2nd beta for GlusterFS 3.4.7 is now available for testing. A handful of bugs have been fixed since the 3.4.6 release, check the references below for details. Bug reporters are encouraged to verify the fixes, and we invite others to test this beta to check for regressions. The ETA for 3.4.7 GA is not …Read more
As you walk down the crowded, narrow Rue des Bouchers on any given Brussels evening, you may find yourself assailed by restaurant barkers intent on getting you to swing into their establishment and dine on their fare. It’s not exactly a welcoming gesture, particularly when some of the barkers embrace the situation and just tell you flat out they want your money.
This past weekend, five kilometers to the south at the Université libre de Bruxelles, other crowded, narrow pathways were full of folks promoting a different sort of fare: free and open source software. If you don’t like crowds, FOSDEM would definitely a place to not be –except for the fact that so much goes on there. Far from unwelcoming, the sense of excitement and camaraderie at this annual event makes it a much more positive environment than similar events within FLOSS.
To describe FOSDEM to the newcomer is at once easy and frustrating –”big” certainly covers it, but doesn’t communicate the scope of an event that spans this small university in the heart of Brussels. The sheer variety of sessions alone are enough to feed the appetite of the most voracious FLOSS advocate.
oVirt certainly had its share of sessions in the conference program. From Gerrit to Gluster to smart VM scheduling, members of the oVirt community were out in force, educating attendees on the latest work being done in our project, as well as the tools and techniques we use to improve our process flow.
oVirt was also fortunate enough to have a booth in the event’s exhibition hall, smack-dab in-between the OpenStack and Puppet stands. Working alongside the OpenStack community folks was fun, given that many people tend to conflate the use cases for our two projects. But the proximity of our booths enabled us to explain to the many visitors who attended when and why would would want to use oVirt, and when an OpenStack solution like RDO would be a better fit.
Yes, free software projects do find themselves competing for mindshare and resources at times, but unlike the barkers of Rue des Bouchers, we’re not going to do it at the expense of the user’s wallet or valuable time. If a particular tool or platform works better for someone, we’d rather they use that happily instead of being unhappy with our offerings.
That doesn’t mean we’re not going to try to improve our own project, though. Self-awareness of problems and the self-discipline to improve them – these are the keys to open source and free software projects’ success. Not slick marketing and empty promises.
That’s never fare you should see at FOSDEM.
Follow the oVirt community on Twitter at @oVirt.
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FOSDEM is over, but a bunch of us are still in Europe this week for Infrastructure.Next, which is going on today in Ghent, and DevConf.cz in Brno this weekend. Planning ahead for later this month, you’ll find a bunch of us in sunny Los Angeles for the…
There is plenty of action planned out for GlusterFS in the period between Jan 30th to Feb 8th 2015. Our community enthusiasts will be attending and presenting at various conferences and meetups across the globe. Here is a breakdown of the planned action: GlusterFS QuickStart Tutorial by Lalatendu Mohanty at the CentOS Dojo in Brussels, …Read more
Lalatendu Mohanty, Niels de Vos, and myself will be holding GlusterFS Office Hours at FOSDEM. Look for us at the CentOS booth, from 16h00 to 17h00 on Saturday, 31 January. FOSDEM is taking place this weekend, 31 Jan and 1 Feb, at ULB Solbosch Campus, Brussels. FOSDEM is a free event, no registration is necessary. …Read more
The release source tar file and packages for Fedora {20,21,rawhide}, RHEL/CentOS {5,6,7}, Debian {wheezy,jessie}, Pidora2014, and Raspbian wheezy are available at http://download.gluster.org/pub/gluster/glusterfs/3.6/3.6.2/ (Ubuntu packages will be available soon.) This release fixes the following bugs. Thanks to all who submitted bugs and patches and reviewed the changes. 1184191 – Cluster/DHT : Fixed crash due to null …Read more
Many of us are finalizing our FOSDEM plans and preparing to head to Brussels, then we’ll have a few days to recover before DevConf.cz starts in Brno. Planning ahead for DevConf.cz, here’s a preview of some of the upstream project talks.
After Tim Burke’s keynote, The Future of Red Hat, DevConf.cz attendees will have a schedule full of great technical talks to choose from, including:
Plus talks on Using Ansible for community-managed infrastructure, Software Collections, delivering open source projects using Agile & DevOps thinking, and more.
See the full DevConf.cz schedule at: http://www.devconf.cz/schedule.
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Recently I got myself an APC NetShelterCX mini. It is a 12U rack, with integrated fans for cooling. At the moment it is populated with some ARM boards (not rack mounted), their PDUs, a switch and (for now) one 2U server. Surprisingly, the fans of the N…
Bitrot detection review, again: http://bit.ly/12bAQDr Dec 2nd, 1300 UTC, 0500AM PST We will be discussing approaches to providing BitRot detection in future GlusterFS releases. Please join us to discuss your ideas and learn more about GlusterFS futures. BitRot detection is a technique used to identify an “insidious” type of disk error where data is silently …Read more
The Gluster community is please to announce the release of updated releases for the 3.4 and 3.5 family. With the release of 3.6 a few weeks ago, this is brings all the current members of GlusterFS into a more stable, production ready status. The GlusterFS 3.4.6 release is focused on bug fixes. The release notes …Read more
In the past I used to test with RAM-disks, provided by /dev/ram*. Gluster uses extended attributes on the filesystem, that makes is not possible to use tmpfs. While thinking about improving some of the GlusterFS regression tests, I noticed that Fedora 20 (and possibly earlier versions too) does not provide the /dev/ram* devices anymore. I could not find the needed kernel module quickly, so I decided to look into the newer zram module.
Getting zram working seems to be pretty simple. By default one /dev/zram0 is made available after loading the module. But, if needed, the module offers a parameter num_devices to create more devices. After loading the module with modprobe zram, you can do the following to create your high-performance volatile storage:
# SIZE_2GB=$(expr 1024 * 1024 * 1024 * 2)
# echo ${SIZE_2GB} > /sys/class/block/zram0/disksize
# mkfs -t xfs /dev/zram0
# mkdir /bricks/fast
# mount /dev/zram0 /bricks/fast
With this mountpoint it is now possible to create a Gluster volume:
# gluster volume create fast ${HOSTNAME}:/bricks/fast/data
# gluster volume start fast
Once done with testing, stop and delete the Gluster volume, and free the zram like this:
# umount /bricks/fast
# echo 1 > /sys/class/block/zram0/reset
Of course, unloading the module with rmmod zram would free the resources too.
It is getting more important for Gluster to be prepared for very fast disks. Hardware like Fusion-io Flash drives and in future Persistent Memory/NVM will get more available in storage clouds, and of course we would like to see Gluster staying part of that!
A little bit of background—— We started to track API/ABI changes to libgfapi.so by incrementing the SO_NAME, e.g. libgfapi.so.0(.0.0). In the master branch it was incremented to to ‘7’ or libgfapi.so.7(.0.0) for the eventual glusterfs-3.7. I believe, but I’m not entirely certain¹, that we were supposed to reset this when we branched for release-3.6. Reset …Read more
Even though GlusterFS-3.6.0 was released last week, maintenance continues on the 3.4 stable series! The 2nd beta for GlusterFS 3.4.6 is now available for testing. Many bugs have been fixed since the 3.4.5 release, check the references below for details. Bug reporters are encouraged to verify the fixes, and we invite others to test this …Read more
With the release of RHEL-6.6 and CentOS-6.6, there are now glusterfs packages in the standard channels/repositories. Unfortunately, these are only the client-side packages (like glusterfs-fuse and glusterfs-api). Users that want to run a Gluster Server…
Even though GlusterFS 3.6.0 has been released last week, the 3.5 stable series continues to live on! The 2nd beta for GlusterFS 3.5.3 is now available for testing. Many bugs have been fixed since the 3.5.2 release, check the references below for detail…
GlusterFS 3.6.0 was released over the last weekend. As I mulled over the release cycle during the weekend, several thoughts on both on the technical and project fronts crossed my mind. This post is an attempt to capture some of those thoughts. On the technical front, several new features and significant number of bug fixes […]
On 1st Nov’14, Red Hat offices in Bangalore and Pune hosted Docker meetups and Hackathon. ~40 people attended Bangalore meetup. Before the hackathon we had following presentations :- Docker Global Hackday opening by Avi Cavale, Co-founder and CEO, Shippable. Introduction to … Continue reading →
GlusterFS 3.6.0 rolled out today and includes new features and stability improvements. Highlights include:
Better SSL Support
Erasure Coding
Volume snapshot
User serviceable snapshots
Experimental features include support for rdma volumes, …