Re: Backing up BTRFS metadata

2017-05-12 Thread Marat Khalili
Indeed. This has been tried before, and I don't think it came to anything. What can/did go wrong? I suspect it's still only capturing metadata, rather than data. Yes. But data should still be there, on disk, right? -- With Best Regards, Marat Khalili -- To unsubscribe from this

Re: Backing up BTRFS metadata

2017-05-11 Thread Hugo Mills
On Fri, May 12, 2017 at 12:22:00AM +0500, Roman Mamedov wrote: > On Thu, 11 May 2017 09:19:28 -0600 > Chris Murphy wrote: > > > On Thu, May 11, 2017 at 8:56 AM, Marat Khalili wrote: > > > Sorry if question sounds unorthodox, Is there some simple way to read

Re: Backing up BTRFS metadata

2017-05-11 Thread Roman Mamedov
On Thu, 11 May 2017 09:19:28 -0600 Chris Murphy wrote: > On Thu, May 11, 2017 at 8:56 AM, Marat Khalili wrote: > > Sorry if question sounds unorthodox, Is there some simple way to read (and > > backup) all BTRFS metadata from volume? > > btrfs-image Hm, I

Re: Backing up BTRFS metadata

2017-05-11 Thread Marat Khalili
On 11/05/17 18:19, Chris Murphy wrote: btrfs-image Looks great, thank you! -- With Best Regards, Marat Khalili -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at

Re: Backing up BTRFS metadata

2017-05-11 Thread Chris Murphy
On Thu, May 11, 2017 at 8:56 AM, Marat Khalili wrote: > Sorry if question sounds unorthodox, Is there some simple way to read (and > backup) all BTRFS metadata from volume? btrfs-image -- Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in

Backing up BTRFS metadata

2017-05-11 Thread Marat Khalili
Sorry if question sounds unorthodox, Is there some simple way to read (and backup) all BTRFS metadata from volume? Motivation of course is possibility to quickly recover from catastrophic filesystem failures on a logical level. Some small amount of actual data that this metadata references