Re: [Discuss] btrfs

2013-02-26 Thread Derek Atkins
Dan Ritter d...@randomstring.org writes: On Tue, Feb 26, 2013 at 12:44:32AM +, Edward Ned Harvey (blu) wrote: performance should be approx N-1 disks times a single disk Incrementally expandable by adding individual disks? I know raidz is not. Yes, and also live-convertible to different

Re: [Discuss] btrfs

2013-02-26 Thread Dan Ritter
On Tue, Feb 26, 2013 at 11:00:58AM -0500, Derek Atkins wrote: Dan Ritter d...@randomstring.org writes: +++ How much space do I get with unequal devices in RAID-1 mode? I presume this is also true of RAID-10 mode? I haven't done this myself, and I'm not sure. If you add new disks to

Re: [Discuss] btrfs

2013-02-26 Thread Derek Atkins
Dan Ritter d...@randomstring.org writes: On Tue, Feb 26, 2013 at 11:00:58AM -0500, Derek Atkins wrote: Dan Ritter d...@randomstring.org writes: +++ How much space do I get with unequal devices in RAID-1 mode? I presume this is also true of RAID-10 mode? I haven't done this myself,

Re: [Discuss] btrfs

2013-02-26 Thread Rich Pieri
On Tue, 26 Feb 2013 11:02:35 -0500 Derek Atkins warl...@mit.edu wrote: Thank you for the detailed description. Could you give (or point me to) a brief description of how ZFS's RAID differs from these configurations? The basic difference is that ZFS mirrors device blocks while Btrfs

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Re: [Discuss] USB thumbdrive, Linux only usage: FAT vs NTFS vs other? TRIM support?

2013-02-26 Thread Matthew Gillen
On 2/25/2013 10:19 PM, Tom Metro wrote: Matthew Gillen wrote: Create a single directory in the root of the thumb drive, and give that world-write and group-write, then give it set-group-ID bit ('chmod g+s dirname'). Every file created will inherit the group-id of the original directory...

Re: [Discuss] btrfs

2013-02-26 Thread Edward Ned Harvey (blu)
From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Derek Atkins Thank you for the detailed description. Could you give (or point me to) a brief description of how ZFS's RAID differs from these configurations? I think it's