Re: fecpp C++ forward error correction library

2013-04-29 Thread Jimmy Tang
that. Regards, Jimmy Tang -- Senior Software Engineer, Digital Repository of Ireland (DRI) High Performance Research Computing, IS Services Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchpc.tcd.ie/ | jt...@tchpc.tcd.ie Tel: +353-1-896-3847 -- To unsubscribe from this list: send

Re: CephFS First product release discussion

2013-03-07 Thread Jimmy Tang
of rbd's in certain cases. Regards, Jimmy Tang -- Senior Software Engineer, Digital Repository of Ireland (DRI) High Performance Research Computing, IS Services Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchpc.tcd.ie/ | jt...@tchpc.tcd.ie Tel: +353-1-896-3847

Re: [ceph-commit] [ceph/ceph] e6a154: osx: compile on OSX

2012-12-10 Thread Jimmy Tang
On 9 Dec 2012, at 18:22, Noah Watkins wrote: On Sun, Dec 9, 2012 at 10:05 AM, Gregory Farnum g...@inktank.com wrote: Oooh, very nice! Do you have a list of the dependencies that you actually needed to install? I can put that together. They were boost, gperf, fuse4x, cryptopp. I think

Re: tiering of storage pools in ceph in general

2012-11-26 Thread Jimmy Tang
On 24 Nov 2012, at 16:42, Gregory Farnum wrote: On Thursday, November 22, 2012 at 4:33 AM, Jimmy Tang wrote: Hi All, Is it possible at this point in time to setup some form of tiering of storage pools in ceph by modifying the crush map? For example I want to have my most recently used

tiering of storage pools in ceph in general

2012-11-22 Thread Jimmy Tang
using a LRU policy? Regards, Jimmy Tang -- Senior Software Engineer, Digital Repository of Ireland (DRI) Trinity Centre for High Performance Computing, Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchpc.tcd.ie/ | jt...@tchpc.tcd.ie -- To unsubscribe from this list: send

Re: Small feature request for v0.55 release

2012-11-14 Thread Jimmy Tang
On 14 Nov 2012, at 16:14, Sage Weil wrote: Appending the codename to the version string is something we did with argonaut (0.48argonaut) just to make it obvious to users which stable version they are on. How do people feel about that? Is it worthwhile? Useless? Ugly? We can

Re: Braindump: multiple clusters on the same hardware

2012-11-13 Thread Jimmy Tang
On 18 Oct 2012, at 10:47, Tommi Virtanen wrote: That's the async replication for disaster recovery feature that has been mentioned every now and then. You could build it as read from one cluster, write to another yourself, the client libraries are perfectly able to talk to two clusters

Re: ceph-fuse on os x

2012-11-02 Thread Jimmy Tang
both the client and server side being ported, I started looking at the dependancies needed but I can't dedicate much time to it myself. Just from a workflow point of view for some use cases having a native OSX client or a fuse client on OSX would be nice. Regards, Jimmy Tang -- Senior Software

Re: Braindump: multiple clusters on the same hardware

2012-10-20 Thread Jimmy Tang
On 18 Oct 2012, at 17:47, Tommi Virtanen wrote: On Thu, Oct 18, 2012 at 7:40 AM, Jimmy Tang jt...@tchpc.tcd.ie wrote: What I actually meant to ask was, is it possible to copy objects or pools from one ceph cluster to another (for disaster recovery reasons) and if this feature is planned

Re: Braindump: multiple clusters on the same hardware

2012-10-18 Thread Jimmy Tang
Hi All, Given that there is the capability of running two clusters on the same hosts (monitors) are there plans to add cluster to cluster features? e.g. would it be possible to mount two separate ceph clusters from one host? Jimmy. On 17 Oct 2012, at 20:35, Tommi Virtanen wrote: You can

Re: Braindump: multiple clusters on the same hardware

2012-10-18 Thread Jimmy Tang
What I actually meant to ask was, is it possible to copy objects or pools from one ceph cluster to another (for disaster recovery reasons) and if this feature is planned or even considered? Jimmu.-- To unsubscribe from this list: send the line unsubscribe ceph-devel in the body of a message to

Re: Braindump: multiple clusters on the same hardware

2012-10-18 Thread Jimmy Tang
What I actually meant to ask was, is it possible to copy objects or pools from one ceph cluster to another (for disaster recovery reasons) and if this feature is planned or even considered? Jimmu.-- To unsubscribe from this list: send the line unsubscribe ceph-devel in the body of a message to

Re: v0.52 released

2012-09-28 Thread Jimmy Tang
structure their repos with a stable and a testing repo. Regards, Jimmy Tang -- Senior Software Engineer, Digital Repository of Ireland (DRI) Trinity Centre for High Performance Computing, Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchpc.tcd.ie/ -- To unsubscribe from

Re: v0.52 released

2012-09-28 Thread Jimmy Tang
Hi Sage, On 28 Sep 2012, at 16:16, Sage Weil wrote: Ah, good point. You can do that today with the debian repos, but we lumped all the rpms into ceph.com/rpms. Currently debiansymlink to debian-argonaut (latest stable) debian-argonaut stable

Re: issues with adjusting the crushmap in 0.51

2012-09-12 Thread Jimmy Tang
Hi Tommi. On 6 Sep 2012, at 21:31, Tommi Virtanen wrote: On Thu, Sep 6, 2012 at 11:51 AM, Jimmy Tang jt...@tchpc.tcd.ie wrote: Also, the ceph osd setcrushmap... command doesn't up when a ceph --help is run in the 0.51 release, however it is documented on the wiki as far as I recall. It'd

Re: ceph-fuse mount options

2012-09-08 Thread Jimmy Tang
On Fri, Sep 07, 2012 at 09:22:34AM -0700, Gregory Farnum wrote: On Fri, Sep 7, 2012 at 9:03 AM, Jimmy Tang jt...@tchpc.tcd.ie wrote: Hi All, I know that cephfs has the option picking which pools to use, will ceph-fuse be gaining this feature at any point in the future

Re: issues with adjusting the crushmap in 0.51

2012-09-08 Thread Jimmy Tang
On Thu, Sep 06, 2012 at 01:31:15PM -0700, Tommi Virtanen wrote: On Thu, Sep 6, 2012 at 11:51 AM, Jimmy Tang jt...@tchpc.tcd.ie wrote: Also, the ceph osd setcrushmap... command doesn't up when a ceph --help is run in the 0.51 release, however it is documented on the wiki as far as I recall

issues with adjusting the crushmap in 0.51

2012-09-06 Thread Jimmy Tang
step take default step choose firstn 0 type osd step emit } Jimmy -- Jimmy Tang Trinity Centre for High Performance Computing, Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchpc.tcd.ie/ pgpoCgpmIPdxU.pgp Description: PGP signature

Re: issues with adjusting the crushmap in 0.51

2012-09-06 Thread Jimmy Tang
if the applications emitted all the available commands, it would make experimenting much nicer and fun. Thanks, Jimmy, -- Jimmy Tang Trinity Centre for High Performance Computing, Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchpc.tcd.ie/ pgpARGJ5DLSYa.pgp Description: PGP

Re: Puppet modules for Ceph

2012-07-26 Thread Jimmy Tang
Hi Francois On 18 Jul 2012, at 14:58, François Charlier wrote: Hi, I'm currently working on writing a Puppet module for Ceph. As after some research I found no existing module, I'll start from scratch but I would be glad to hear from people who would already have started working or this

Re: mds fails to start on SL6

2012-07-07 Thread Jimmy Tang
Hi Greg On Fri, Jul 6, 2012 at 5:38 PM, Gregory Farnum g...@inktank.com wrote: Do you have more in the log? It looks like it's being instructed to shut down before it's fully come up (thus the error in the Objecter http://tracker.newdream.net/issues/2740, but is not the root cause), but I

unpackaged files in rpmbuild of 0.48

2012-07-06 Thread Jimmy Tang
/libcls_rbd.so* %{_libdir}/rados-classes/libcls_rgw.so* +/sbin/ceph-disk-activate +/sbin/ceph-disk-prepare # %files fuse I could of course ignore Regards, Jimmy Tang -- Senior Software Engineer, Digital Repository

mds fails to start on SL6

2012-07-06 Thread Jimmy Tang
this. --- end dump of recent events --- Regards, Jimmy Tang -- Senior Software Engineer, Digital Repository of Ireland (DRI) Trinity Centre for High Performance Computing, Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. http://www.tchpc.tcd.ie/ -- To unsubscribe from this list