@oracle.com]
Sent: Wednesday, December 05, 2012 11:59 PM
To: Thorn Roby
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Mounted compress-force=zlib, compresses when files copied in, but
not when written directly by application
On Wed, Dec 05, 2012 at 05:42:51PM +, Thorn Roby wrote:
My previous reply
My previous reply was incorrect in one point - the data is never copied from
the transaction log into the sparse datafiles, instead the application writes
the same data independently to both locations.
Also, I failed to mention that the files are memmapped, and it's possible that
the write
On Wed, Dec 05, 2012 at 05:42:51PM +, Thorn Roby wrote:
My previous reply was incorrect in one point - the data is never copied from
the transaction log into the sparse datafiles, instead the application writes
the same data independently to both locations.
Also, I failed to mention that
On Tue, Dec 04, 2012 at 07:44:16PM +, Thorn Roby wrote:
I am trying to use a btrfs filesystem (Oracle Linux 6.3 X86_64, UEK kernel)
with data RAID0 and metadata RAID1, mounted as follows:
/dev/sda3 on /data type btrfs (rw,noatime,compress-force=zlib,noacl)
dmesg shows
btrfs:
