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On 27/04/13 19:53, Alex Elsayed wrote:
When using btrfs, run a recent kernel :P.
Every software developer says that of what they produce. Newer is almost
always better in many different axes.
Honestly, even leaving aside the lack of backporting,
Default subvolume set via 'set-default' command can be deleted now
# Create btrfs and a subvolume
[root@localhost ~]# mkfs -t btrfs /dev/sda5
[root@localhost ~]# mount /dev/sda5 /mnt/btrfs
[root@localhost ~]# btrfs sub create /mnt/btrfs/vol_1
Create subvolume
Hi guys,
My Btrfs fs has a performance problem which I hope you can help me
solve. I have a dataset of around 3.15 TiB, that has lived on a ZFS
volume for almost two years (ZRAID1, 4 2TiB disks). In order to move
to Btrfs I bought myself a 4TiB disk with the idea of buying a new one
next week and
I use Ubuntu with kernel 3.8.0-19-generic. I also tested with the
latest live disk of Arch Linux; write performance was the same (bad).
My mount options: rw,compress=lzo.
Iotop does not show any strange disk activity.
2013/4/28 Harald Glatt m...@hachre.de:
On Sun, Apr 28, 2013 at 9:10 PM, John
On Sun, Apr 28, 2013 at 9:18 PM, John . btrfsp...@gmail.com wrote:
I use Ubuntu with kernel 3.8.0-19-generic. I also tested with the
latest live disk of Arch Linux; write performance was the same (bad).
My mount options: rw,compress=lzo.
Iotop does not show any strange disk activity.
I just started up my usenet reader (which generate a lot of small
files) and transferred two large files (7,5GiB) at the same time.
Performance seems all right again! :D Thanks!
Could you explain to me why each of the options could have a positive
effect on performance? The wiki explains what the
On Sun, Apr 28, 2013 at 9:53 PM, John . btrfsp...@gmail.com wrote:
I just started up my usenet reader (which generate a lot of small
files) and transferred two large files (7,5GiB) at the same time.
Performance seems all right again! :D Thanks!
Could you explain to me why each of the options
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On 28/04/13 12:57, Harald Glatt wrote:
If you want better answers ...
There is a lot of good information at the wiki and it does see regular
updates. For example the performance mount options are on this page:
On Sun, Apr 28, 2013 at 2:17 PM, Roger Binns rog...@rogerbinns.com wrote:
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On 28/04/13 12:57, Harald Glatt wrote:
If you want better answers ...
There is a lot of good information at the wiki and it does see regular
updates. For example the
[how'd that send button get there]
space_cache is the default, set by mkfs, for a year or so now. It's
sticky, so even if it wasn't, you'd only need to mount with it once.
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