October 2017
Intermediate to advanced
340 pages
9h 46m
English
Content preview from Learning Ceph - Second Edition
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Admin sockets
Each Ceph daemon (and client if so enabled) listens on an admin socket for requests to get or set information or to perform certain actions. We can see these sockets in /var/run/ceph; here are examples from both OSD and MON nodes.
osd-1701# ls /var/run/ceph
ceph-osd.0.asok ceph-osd.10.asok ceph-osd.11.asok
ceph-osd.12.asok ceph-osd.13.asok ceph-osd.14.asok
ceph-osd.15.asok ceph-osd.16.asok ceph-osd.17.asok
ceph-osd.18.asok ceph-osd.19.asok ceph-osd.1.asok
ceph-osd.20.asok ceph-osd.21.asok ceph-osd.22.asok
ceph-osd.23.asok ceph-osd.2.asok ceph-osd.3.asok
ceph-osd.4.asok ceph-osd.5.asok ceph-osd.69.asok
ceph-osd.7.asok ceph-osd.8.asok ceph-osd.9.asok
mon-05# ls /var/run/ceph
ceph-mon.mon05.asok
To interact with osd.69 we first ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.