Re: Nature of ext4 corruption fixed by recent patch?

2015-05-20 Thread Josh Triplett
On Wed, May 20, 2015 at 10:23:22PM -0300, Henrique de Moraes Holschuh wrote: > On Wed, 20 May 2015, j...@joshtriplett.org wrote: > > md-based RAID0, on top of a pair of SSDs. > > Might this be it? It was mentioned in another, more recent thread about > data loss involving md-raid0 and ssds... >

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-20 Thread Henrique de Moraes Holschuh
On Wed, 20 May 2015, j...@joshtriplett.org wrote: > md-based RAID0, on top of a pair of SSDs. Might this be it? It was mentioned in another, more recent thread about data loss involving md-raid0 and ssds... https://bugzilla.kernel.org/show_bug.cgi?id=98501 -- "One disk to rule them all, One

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-20 Thread josh
On Tue, May 19, 2015 at 01:50:24PM -0400, Theodore Ts'o wrote: > On Tue, May 19, 2015 at 09:37:40AM -0700, Josh Triplett wrote: > > In particular, I didn't realize this was *only* the data of the > > delayed-extent-based files. The bug here seems to have struck various > > recently-written files

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-20 Thread Henrique de Moraes Holschuh
On Wed, 20 May 2015, j...@joshtriplett.org wrote: md-based RAID0, on top of a pair of SSDs. Might this be it? It was mentioned in another, more recent thread about data loss involving md-raid0 and ssds... https://bugzilla.kernel.org/show_bug.cgi?id=98501 -- One disk to rule them all, One

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-20 Thread josh
On Tue, May 19, 2015 at 01:50:24PM -0400, Theodore Ts'o wrote: On Tue, May 19, 2015 at 09:37:40AM -0700, Josh Triplett wrote: In particular, I didn't realize this was *only* the data of the delayed-extent-based files. The bug here seems to have struck various recently-written files and

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-20 Thread Josh Triplett
On Wed, May 20, 2015 at 10:23:22PM -0300, Henrique de Moraes Holschuh wrote: On Wed, 20 May 2015, j...@joshtriplett.org wrote: md-based RAID0, on top of a pair of SSDs. Might this be it? It was mentioned in another, more recent thread about data loss involving md-raid0 and ssds...

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-19 Thread Theodore Ts'o
On Tue, May 19, 2015 at 09:37:40AM -0700, Josh Triplett wrote: > In particular, I didn't realize this was *only* the data of the > delayed-extent-based files. The bug here seems to have struck various > recently-written files and directories. (Recent in days, not seconds, > as far as I can tell;

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-19 Thread Josh Triplett
On Tue, May 19, 2015 at 09:40:05AM -0400, Theodore Ts'o wrote: > On Mon, May 18, 2015 at 03:58:24PM -0700, j...@joshtriplett.org wrote: > > > > I recently had my server's filesystem implode, and I'm currently in the > > process of cleaning it up. It had widespread corruption in files and > >

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-19 Thread Theodore Ts'o
On Mon, May 18, 2015 at 03:58:24PM -0700, j...@joshtriplett.org wrote: > > I recently had my server's filesystem implode, and I'm currently in the > process of cleaning it up. It had widespread corruption in files and > directories scattered across the filesystem, though all vaguely recently >

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-19 Thread Theodore Ts'o
On Mon, May 18, 2015 at 03:58:24PM -0700, j...@joshtriplett.org wrote: I recently had my server's filesystem implode, and I'm currently in the process of cleaning it up. It had widespread corruption in files and directories scattered across the filesystem, though all vaguely recently

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-19 Thread Josh Triplett
On Tue, May 19, 2015 at 09:40:05AM -0400, Theodore Ts'o wrote: On Mon, May 18, 2015 at 03:58:24PM -0700, j...@joshtriplett.org wrote: I recently had my server's filesystem implode, and I'm currently in the process of cleaning it up. It had widespread corruption in files and directories

Re: Nature of ext4 corruption fixed by recent patch?

2015-05-19 Thread Theodore Ts'o
On Tue, May 19, 2015 at 09:37:40AM -0700, Josh Triplett wrote: In particular, I didn't realize this was *only* the data of the delayed-extent-based files. The bug here seems to have struck various recently-written files and directories. (Recent in days, not seconds, as far as I can tell; and

Nature of ext4 corruption fixed by recent patch?

2015-05-18 Thread josh
Hi, I recently had my server's filesystem implode, and I'm currently in the process of cleaning it up. It had widespread corruption in files and directories scattered across the filesystem, though all vaguely recently changed. Directories appeared corrupted or truncated, various files showed up

Nature of ext4 corruption fixed by recent patch?

2015-05-18 Thread josh
Hi, I recently had my server's filesystem implode, and I'm currently in the process of cleaning it up. It had widespread corruption in files and directories scattered across the filesystem, though all vaguely recently changed. Directories appeared corrupted or truncated, various files showed up