Re: System unable to mount partition after a power loss

2018-12-07 Thread Doni Crosby
I ran that command and I cannot get the email to send properly to the mailing list as the attachment of the output is over 4.6M. On 12/7/2018 11:49 AM, Doni Crosby wrote: The output of the command is attached. This is what errors showed up on the system: parent transid verify failed on

Re: System unable to mount partition after a power loss

2018-12-07 Thread Doni Crosby
I just looked at the VM it does not have a cache. That's the default in proxmox to improve performance. On Fri, Dec 7, 2018 at 7:25 AM Austin S. Hemmelgarn wrote: > > On 2018-12-07 01:43, Doni Crosby wrote: > >> This is qemu-kvm? What's the cache mode being used? It's possible the > >> usual

Re: System unable to mount partition after a power loss

2018-12-07 Thread Austin S. Hemmelgarn
On 2018-12-07 01:43, Doni Crosby wrote: This is qemu-kvm? What's the cache mode being used? It's possible the usual write guarantees are thwarted by VM caching. Yes it is a proxmox host running the system so it is a qemu vm, I'm unsure on the caching situation. On the note of QEMU and the cache

Re: System unable to mount partition after a power loss

2018-12-06 Thread Qu Wenruo
On 2018/12/7 下午1:24, Doni Crosby wrote: > All, > > I'm coming to you to see if there is a way to fix or at least recover > most of the data I have from a btrfs filesystem. The system went down > after both a breaker and the battery backup failed. I cannot currently > mount the system, with the

Re: System unable to mount partition after a power loss

2018-12-06 Thread Doni Crosby
> This is qemu-kvm? What's the cache mode being used? It's possible the > usual write guarantees are thwarted by VM caching. Yes it is a proxmox host running the system so it is a qemu vm, I'm unsure on the caching situation. > Old version of progs, I suggest upgrading to 4.17.1 and run I updated

Re: System unable to mount partition after a power loss

2018-12-06 Thread Chris Murphy
On Thu, Dec 6, 2018 at 10:24 PM Doni Crosby wrote: > > All, > > I'm coming to you to see if there is a way to fix or at least recover > most of the data I have from a btrfs filesystem. The system went down > after both a breaker and the battery backup failed. I cannot currently > mount the

System unable to mount partition after a power loss

2018-12-06 Thread Doni Crosby
All, I'm coming to you to see if there is a way to fix or at least recover most of the data I have from a btrfs filesystem. The system went down after both a breaker and the battery backup failed. I cannot currently mount the system, with the following error from dmesg: Note: The vda1 is just