Aggregated news from external sources
Friday last week (23rd of September), I traveled to Munich, to attend and talk about openATTIC at the Ceph Day. This Ceph Day was sponsored by Red Hat and SUSE and it was nice to see many representatives of both companies attending and speaking about Ceph-related topics. Even though the event was organized on short …Read more
With AWS Signature Version 4 (AWS4) you have the option of uploading the payload in fixed or variable-size chunks. This chunked upload option, also known as Transfer payload in multiple chunks or STREAMING-AWS4-HMAC-SHA256-PAYLOAD feature in the Amazon S3 ecosystem, avoids reading the payload twice (or buffer it in memory) to compute the signature in the …Read more
OpenStack Days NYC, Operators Midcycle and Red Hat Ceph Storage 2.0 Today, while I was enjoying the keynotes of old friends at OpenStack Days New York City, the Ceph team at Red Hat was hard at work releasing RHCS 2.0 — the most significant update to Red Hat Ceph Storage since we acquired Inktank in …Read more
Starting with Ceph version Jewel (10.2.X) all daemons (MON and OSD) will run under the privileged user ceph. Prior to Jewel daemons were running under root which is a potential security issue. This means data has to change ownership before a daemon running the Jewel code can run. Chown data As the Release Notes state …Read more
The Three musketeers (as our marketing colleagues have started to call us now) were at the Red Hat Summit last week to walk the assembled crowd of CIOs through all the reasons why Ceph is the most successful storage technology in the OpenStack market segment. Ceph is the most widely deployed storage technology used with …Read more
http://www.mellanox.com/blog/wp-content/uploads/summer-reading-on-the-beach_430x242.wmv Summer is finally here and with it, many avid readers like to compile a summer reading list for all those blistering summer days by the pool, basking at the beach, or even while waiting for the coals to heat up for that annual family bar-be-que. Instead of tackling the Lord of the Rings again …Read more
The Ansible AWS S3 core module now supports Ceph RGW S3. The patch was upstream today and it will be included in Ansible 2.2 This post will introduce the new RGW S3 support in Ansible together with the required bits to run Ansible playbooks handling S3 use cases in Ceph Jewel.
Occasionally it may be useful to check the version of the OSD on the entire cluster : 1 ceph tell osd.* version
Of course, the simplest way is using the command ceph osd tree. Note that, if an osd is down, you can see “last address” in ceph health detail : 1 2 3 $ ceph health detail … osd.37 is down since epoch 16952, last address 172.16.4.68:6804/628 Also, you can use: 1 2 3 4 5 …Read more
The Ceph RGW storage driver was upstream in Apache Libcloud today. It is available in the Libcloud trunk repository and it will ship with the next release Apache Libcloud 1.0.0. This post will introduce the new RGW driver together with the proper configuration parameters to run some examples uploading/downloading objects in Ceph Jewel.
Introduction Ceph’s vstart.sh utility is very useful for deploying and testing a mock cluster directly from the Ceph source repository. It can: Generate a cluster configuration file and authentication keys Provision and deploy a number of OSDs Backed by local disk, or memory using the –memstore parameter Deploy an arbitrary number of monitor, MDS or …Read more
The terrific trio composed of Sébastien Han, Sean Cohen and yours truly descended on Austin this week for the recurring ritual of the OpenStack Summit. Our mission: to save the galaxy – or at least your data. Séb and Sean covered architectural options for disaster recovery in OpenStack and I introduced the capabilities provided by …Read more