Re: [RFC v2 0/2] New RAID library supporting up to six parities

2014-01-06 Thread joystick
On 06/01/2014 14:11, Alex Elsayed wrote: joystick wrote: Just by looking at the Subjects, it seems patch number 0/1 is missing. It might have not gotten through to the lists, or be a numbering mistake. No, the numbering style is ${index}/${total}, where index = 0 is a cover letter. So there

Re: [RFC v2 0/2] New RAID library supporting up to six parities

2014-01-06 Thread joystick
On 06/01/2014 10:31, Andrea Mazzoleni wrote: Hi, This is a port to the Linux kernel of a RAID engine that I'm currently using in a hobby project called SnapRAID. This engine supports up to six parities levels and at the same time maintains compatibility with the existing Linux RAID6 one. This

Re: Triple parity and beyond

2013-11-26 Thread joystick
On 21/11/2013 21:31, David Brown wrote: On 21/11/13 21:05, Piergiorgio Sartor wrote: Having a multi parity RAID allows to check even which disk. This would provide the user with a more comprehensive (I forgot the spelling) information. Of course, since we are there, we can also give the option

Re: Triple parity and beyond

2013-11-21 Thread joystick
On 21/11/2013 02:28, Stan Hoeppner wrote: On 11/20/2013 10:16 AM, James Plank wrote: Hi all -- no real comments, except as I mentioned to Ric, my tutorial in FAST last February presents Reed-Solomon coding with Cauchy matrices, and then makes special note of the common pitfall of assuming that y