Re: Receive on same subvolume

2014-02-03 Thread Felix Blanke
Hi Matthew, I'm not sure what you are trying to achive. Couldn't you simply do another snapshot of the subvolume? I don't understand why you want to use send/receive on the same subvolume to be honest. Regards, Felix On Wed, Jan 29, 2014 at 10:26 PM, Matthew Lai m...@matthewlai.ca wrote: Hello

Re: Receive on same subvolume

2014-02-03 Thread Chris Murphy
On Jan 29, 2014, at 2:26 PM, Matthew Lai m...@matthewlai.ca wrote: Hello, Is this supposed to work? (/data is the root volume, /data/a is a subvolume) btrfs subvolume snapshot /data/a /data/b # make some changes in b btrfs send -p /data/a /data/b delta btrfs receive /data/a delta

Re: Receive on same subvolume

2014-02-03 Thread Matthew Lai
Thanks. I should clarify what I'm trying to do. I'm trying to use btrfs send for backup, without having another btrfs volume. So the initial backup is a complete send, piped to Amazon Glacier (so my machine never has the whole file, and doesn't have space for one). At the same time I'm

Re: Receive on same subvolume

2014-02-03 Thread Chris Murphy
On Feb 3, 2014, at 11:19 AM, Matthew Lai m...@matthewlai.ca wrote: Thanks. I should clarify what I'm trying to do. I'm trying to use btrfs send for backup, without having another btrfs volume. So the initial backup is a complete send, piped to Amazon Glacier (so my machine never has the

Re: Receive on same subvolume

2014-02-03 Thread Matthew Lai
On 03/02/2014 11:26 AM, Chris Murphy wrote: On Feb 3, 2014, at 11:19 AM, Matthew Lai m...@matthewlai.ca wrote: Thanks. I should clarify what I'm trying to do. I'm trying to use btrfs send for backup, without having another btrfs volume. So the initial backup is a complete send, piped to

Re: Receive on same subvolume

2014-02-03 Thread Chris Murphy
On Feb 3, 2014, at 3:53 PM, Matthew Lai m...@matthewlai.ca wrote: On 03/02/2014 11:26 AM, Chris Murphy wrote: On Feb 3, 2014, at 11:19 AM, Matthew Lai m...@matthewlai.ca wrote: Thanks. I should clarify what I'm trying to do. I'm trying to use btrfs send for backup, without having another

Re: Receive on same subvolume

2014-02-03 Thread Matthew Lai
On 03/02/2014 4:34 PM, Chris Murphy wrote: On Feb 3, 2014, at 3:53 PM, Matthew Lai m...@matthewlai.ca wrote: On 03/02/2014 11:26 AM, Chris Murphy wrote: On Feb 3, 2014, at 11:19 AM, Matthew Lai m...@matthewlai.ca wrote: Thanks. I should clarify what I'm trying to do. I'm trying to use

Receive on same subvolume

2014-01-29 Thread Matthew Lai
Hello, Is this supposed to work? (/data is the root volume, /data/a is a subvolume) btrfs subvolume snapshot /data/a /data/b # make some changes in b btrfs send -p /data/a /data/b delta btrfs receive /data/a delta I'm getting ERROR: could not find parent subvolume on receive. What I'm