[Gluster-devel] EC volume: Bug caused by race condition during rmdir and inodelk

2016-11-24 Thread Ashish Pandey
Hi All, On EC volume, we have been seeing an interesting bug caused by fine race between rmdir and inodelk which leads to EIO error. Pranith, Xavi and I had a discussion on this and have some possible solution. Your inputs are required on this bug and its possible solution. 1 - Consider rmdi

Re: [Gluster-devel] Why vandermonde matrix is used in EC?

2016-11-24 Thread Xavier Hernandez
Hi Han, On 11/24/2016 04:25 AM, 한우형 wrote: Hi, I'm working on dispersed volume(ec) and I found ec encode/decode algorithm is using non-systematic vandermonde matrix. My question is this: why non-systematic algorithm is used? Non-systematic encoding/decoding doesn't alter performance when one