Re: Experiences with OpenBSD RAID5

2013-10-19 Thread Alexander Hall
On 10/19/13 06:43, Scott McEachern wrote: List, I'm bringing you into the middle of an off-list conversation where I'm setting up a RAID10 array. Well, I'm using two RAID1 arrays as the drives for a RAID0 array. All relevant information follows. Any clue to why I'm ending up with an array 1/4

Re: Experiences with OpenBSD RAID5

2013-10-19 Thread Alexander Hall
On 10/19/13 13:10, Alexander Hall wrote: On 10/19/13 06:43, Scott McEachern wrote: List, I'm bringing you into the middle of an off-list conversation where I'm setting up a RAID10 array. Well, I'm using two RAID1 arrays as the drives for a RAID0 array. All relevant information follows. Any

Re: Experiences with OpenBSD RAID5

2013-10-18 Thread Stuart Henderson
On 2013-10-18, Scott McEachern sc...@blackstaff.ca wrote: Circumstances change, and I might be able to redeploy those HDDs as a RAID5 array. This, at least in theory, would allow the 18TB total to be realized as 15TB as RAID5, gaining me 6TB. even if softraid would rebuild raid5, I'd worry

Re: Experiences with OpenBSD RAID5

2013-10-18 Thread Scott McEachern
On 10/18/13 07:31, Stuart Henderson wrote: On 2013-10-18, Scott McEachern sc...@blackstaff.ca wrote: Circumstances change, and I might be able to redeploy those HDDs as a RAID5 array. This, at least in theory, would allow the 18TB total to be realized as 15TB as RAID5, gaining me 6TB. even if

Re: Experiences with OpenBSD RAID5

2013-10-18 Thread Scott McEachern
List, I'm bringing you into the middle of an off-list conversation where I'm setting up a RAID10 array. Well, I'm using two RAID1 arrays as the drives for a RAID0 array. All relevant information follows. Any clue to why I'm ending up with an array 1/4 the size I'm expecting? On 10/18/13

Re: Experiences with OpenBSD RAID5

2013-10-17 Thread Nick Holland
On 10/17/13 20:07, Scott McEachern wrote: ... I realize the bioctl(8) man page says Use of the CRYPTO RAID 4/5 disciplines are currently considered experimental. ... I've never tried softraid's RAID5, so I have no idea if it truly is experimental, or solid like CRYPTO, or somewhere in

Re: Experiences with OpenBSD RAID5

2013-10-17 Thread Scott McEachern
On 10/17/13 20:57, Nick Holland wrote: with the exception of the fact there's no code to rebuild a failed disk, works great. that's a pretty big exception for most people. :) Hmm. That would present a problem. Let me make sure I'm absolutely clear here: A RAID5 array with four disks. I

Re: Experiences with OpenBSD RAID5

2013-10-17 Thread Nick Holland
On 10/17/13 21:34, Scott McEachern wrote: On 10/17/13 20:57, Nick Holland wrote: with the exception of the fact there's no code to rebuild a failed disk, works great. that's a pretty big exception for most people. :) Hmm. That would present a problem. Let me make sure I'm absolutely