Re: [CORRUPTION FILESYSTEM] Corrupted and unrecoverable file system during the snapshot receive

2017-08-19 Thread Giuseppe Della Bianca
Hi. Two news (one is OT and advertising to my btrfsManage script) I had to recreate from scratch two corrupted btrfs filesystems probably due to out of space during a snapshot receive. Almost it's a habit rebuild the filesystems after a few months. OT I have released the latest version of m

Re: qcow2 images make scrub believe the filesystem is corrupted.

2017-08-19 Thread Goffredo Baroncelli
On 08/19/2017 12:19 AM, Goffredo Baroncelli wrote: >> We have no way of making sure nobody >> touches the page while we're writing it out, so after we calculate the >> checksum >> any changes to the page are going to cause a checksum mismatch. O_DIRECT are >> user space pages, there's nothing we

Re: [PATCH] btrfs: change how we decide to commit transactions during flushing

2017-08-19 Thread Nikolay Borisov
On 18.08.2017 23:09, jo...@toxicpanda.com wrote: > From: Josef Bacik > > Nikolay reported that generic/273 was failing currently with ENOSPC. > Turns out this is because we get to the point where the outstanding > reservations are greater than the pinned space on the fs. This is a > mistake, p