Re: Mounted compress-force=zlib, compresses when files copied in, but not when written directly by application

2012-12-04 Thread Liu Bo
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 > > btrf

Mounted compress-force=zlib, compresses when files copied in, but not when written directly by application

2012-12-04 Thread Thorn Roby
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: force zlib compression btrfs: disk space caching is enabled My applicati

Re: basic questions regarding some btrfs features

2012-12-04 Thread Aastha Mehta
Thanks a lot for the explanation. Regards, Aastha. On 3 December 2012 13:02, Hugo Mills wrote: > On Mon, Dec 03, 2012 at 10:52:41AM +0100, Aastha Mehta wrote: >> On 2 December 2012 23:46, Hugo Mills wrote: >> > On Sun, Dec 02, 2012 at 11:17:26PM +0100, Aastha Mehta wrote: >> >> I am looking at

Re: various problems converting to RAID1

2012-12-04 Thread Piotr Pawłow
As I was in a hurry, I forgot about some things: > I rebooted my computer and the balance started continuing its work Of course I deleted around 15GB of data to free some space after noticing there is no space left, then tried to restart balance, it didn't work, checked logs, noticed problems and

various problems converting to RAID1

2012-12-04 Thread Piotr Pawłow
Hello, On saturday I added another disk to my BTRFS filesystem. I started a rebalance to convert it from m:DUP/d:single to m:RAID1/d:RAID1. I quickly noticed it started filling my logs with: "btrfs: block rsv returned -28", and "slowpath" warnings from "use_block_rsv+0x198/0x1a0 [btrfs]" (ht

Re: Example of BTRFS uglyssima performance : Bitcoin

2012-12-04 Thread Sander
Swâmi Petaramesh wrote (ao): > But I've been using pretty *anything over LUKS/LVM for years, and I've > never notice it cause any (noticeable to the point of becoming annoying) > system slowdown, whatever tasks I may have processed in such setups > (including servers, big databases, compilations, N