Re: heterogeneous raid1

2012-03-25 Thread Chris Samuel
On Saturday 24 March 2012 04:35:39 Bob McElrath wrote: > I'm still dreaming of a fs/admin tool that I can throw disks at, > and not have to spend so much time with the details of > partitioning/raid/lvm/fs. There was a tool called System Storage Manager (ssm) that someone from RedHat posted abou

Re: heterogeneous raid1

2012-03-24 Thread Duncan
Hugo Mills posted on Fri, 23 Mar 2012 10:20:07 + as excerpted: > On Fri, Mar 23, 2012 at 06:11:59AM +, Bob McElrath wrote: >> Greetings butter-heads, >> >> I would like to implement a redundant (raid1) disk array on >> heterogeneous disks using btrfs. A more detailed description of what

Re: heterogeneous raid1

2012-03-23 Thread Bob McElrath
Roman Mamedov [r...@romanrm.ru] wrote: > On Fri, 23 Mar 2012 16:49:32 + > Aye, but I consider space used for redundancy to be wasted as well, especially > when the same (or even higher) amount of redundancy can be achieved by > spending > less storage space on it. Point taken. So how's the b

Re: heterogeneous raid1

2012-03-23 Thread Roman Mamedov
On Fri, 23 Mar 2012 16:49:32 + Bob McElrath wrote: > Roman Mamedov [r...@romanrm.ru] wrote: > (can't reliably tolerate an any-two-disks failure even). s/even/event/ > > I suggest that you go with > > http://linuxconfig.org/prouhd-raid-for-the-end-user > > instead. Depending on how many dri

Re: heterogeneous raid1

2012-03-23 Thread Bob McElrath
Roman Mamedov [r...@romanrm.ru] wrote: > On Fri, 23 Mar 2012 06:11:59 + > Bob McElrath wrote: > > > http://superuser.com/questions/387851/a-zfs-or-lvm-or-md-redundant-heterogeneous-storage-proposal/388536 > > > > In a nutshell: organize your heterogenous disks into two "halves", the sum > >

Re: heterogeneous raid1

2012-03-23 Thread Roman Mamedov
On Fri, 23 Mar 2012 06:11:59 + Bob McElrath wrote: > http://superuser.com/questions/387851/a-zfs-or-lvm-or-md-redundant-heterogeneous-storage-proposal/388536 > > In a nutshell: organize your heterogenous disks into two "halves", the sum of > which are of roughly equal size, and create a raid

Re: heterogeneous raid1

2012-03-23 Thread Hugo Mills
On Fri, Mar 23, 2012 at 06:11:59AM +, Bob McElrath wrote: > Greetings butter-heads, > > I would like to implement a redundant (raid1) disk array on heterogeneous > disks > using btrfs. A more detailed description of what I want to do can be found > here: > > http://superuser.com/questions/

Re: heterogeneous raid1

2012-03-22 Thread cwillu
> In a nutshell: organize your heterogenous disks into two "halves", the sum of > which are of roughly equal size, and create a raid1 array across those two > halves. > [snip] > > In the long term, I would like this to be something that btrfs could do by > itself, without LVM.  Having absolutely no