Re: [sheepdog] Redundancy policy via iSCSI

2015-02-08 Thread Vasiliy Tolstov
2015-02-07 5:03 GMT+03:00 hujianyang hujiany...@huawei.com: KB/sreadrandreadwrite randwrite local 179957 36262 179933 66752 iSCSI redundancy(3x) 51553 51303 17826 15984 redundancy(4:2) 43166 42775

[sheepdog] obbject placement

2015-02-08 Thread Corin Langosch
Hi guys, afaik sheepdog uses consistent hashing to map objects to nodes. But how do you choose where the individual ec-chunks of an object should go? Consistent hashing cannot be used here because different ec-chunks of the same object might get mapped to the same node. I looked at the sources

[sheepdog] reovery and consistency questions

2015-02-08 Thread Corin Langosch
Hi guys, I'm currently digging around in the sheepdog sources and have a few questions regarding recovery and object consistency. Please correct me if I'm wrong in anything I write here - it's all just read together from various documents and source files. Sheepdog keeps track which nodes are

[sheepdog] Build failed in Jenkins: sheepdog-build #628

2015-02-08 Thread sheepdog-jenkins
See http://jenkins.sheepdog-project.org:8080/job/sheepdog-build/628/ -- [...truncated 57 lines...] checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for ANSI C header files... yes checking for

Re: [sheepdog] Redundancy policy via iSCSI

2015-02-08 Thread hujianyang
On 2015/2/8 19:24, Vasiliy Tolstov wrote: 2015-02-07 5:03 GMT+03:00 hujianyang hujiany...@huawei.com mailto:hujiany...@huawei.com: KB/sreadrandreadwrite randwrite local 179957 36262 179933 66752 iSCSI

Re: [sheepdog] [PATCH v4] sheepdog: selectable object size support

2015-02-08 Thread Liu Yuan
On Fri, Feb 06, 2015 at 04:57:55PM +0900, Teruaki Ishizaki wrote: (2015/02/06 11:18), Liu Yuan wrote: On Wed, Feb 04, 2015 at 01:54:19PM +0900, Teruaki Ishizaki wrote: (2015/02/02 15:52), Liu Yuan wrote: On Tue, Jan 27, 2015 at 05:35:27PM +0900, Teruaki Ishizaki wrote: Previously, qemu block