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On 11/09/14 05:30, Zygo Blaxell wrote:
On Wed, Sep 10, 2014 at 01:27:36PM +0100, Bob Williams wrote:
I have two 2TB disks formatted as a btrfs raid1 array, mirroring
both data and metadata. Last night I started
# btrfs filesystem balance path
On 10/09/14 19:43, Goffredo Baroncelli wrote:
On 09/10/2014 02:27 PM, Bob Williams wrote:
I have two 2TB disks formatted as a btrfs raid1 array, mirroring both
data and metadata. Last night I started
# btrfs filesystem balance path
May be that I am missing something obvious, however I
Bob Williams posted on Thu, 11 Sep 2014 10:56:14 +0100 as excerpted:
So if a RAID1/two disk system uses the disks symmetrically, why did my
balance command take 22 hours? That's what puzzles me, as my
understanding of RAID1 is that the disk use *is* symmetrical.
What you're missing is what
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I have two 2TB disks formatted as a btrfs raid1 array, mirroring both
data and metadata. Last night I started
# btrfs filesystem balance path
and it is still running 18 hours later. This suggests that most stuff
only gets written to one physical
On 2014-09-10 08:27, Bob Williams wrote:
I have two 2TB disks formatted as a btrfs raid1 array, mirroring both
data and metadata. Last night I started
# btrfs filesystem balance path
In general, unless things are really bad, you don't ever want to use
balance on such a big filesystem
On Wed, Sep 10, 2014 at 9:06 AM, Austin S Hemmelgarn
ahferro...@gmail.com wrote:
Normally, you shouldn't need to run balance at all on most BTRFS
filesystems, unless your usage patterns vary widely over time (I'm
actually a good example of this, most of the files in my home directory
are
On 2014-09-10 09:48, Rich Freeman wrote:
On Wed, Sep 10, 2014 at 9:06 AM, Austin S Hemmelgarn
ahferro...@gmail.com wrote:
Normally, you shouldn't need to run balance at all on most BTRFS
filesystems, unless your usage patterns vary widely over time (I'm
actually a good example of this, most
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On 10/09/14 14:06, Austin S Hemmelgarn wrote:
On 2014-09-10 08:27, Bob Williams wrote:
I have two 2TB disks formatted as a btrfs raid1 array, mirroring
both data and metadata. Last night I started
# btrfs filesystem balance path
In general,
On 09/10/2014 02:27 PM, Bob Williams wrote:
I have two 2TB disks formatted as a btrfs raid1 array, mirroring both
data and metadata. Last night I started
# btrfs filesystem balance path
May be that I am missing something obvious, however I have to ask which
would be the purpose to balance
On Wed, Sep 10, 2014 at 08:43:25PM +0200, Goffredo Baroncelli wrote:
May be that I am missing something obvious, however I have to ask which
would be the purpose to balance a two disks RAID1 system.
The balance command should move the data between the disks in order to
avoid some disk full
On 09/10/2014 09:32 PM, Sean Greenslade wrote:
On Wed, Sep 10, 2014 at 08:43:25PM +0200, Goffredo Baroncelli wrote:
May be that I am missing something obvious, however I have to ask which
would be the purpose to balance a two disks RAID1 system.
The balance command should move the data
On Thu, Sep 11, 2014 at 12:28:56AM +0200, Goffredo Baroncelli wrote:
The WD datasheet says something different. It reports Non-recoverable
read errors per bits read less than 1/10^14. They express the number of
error in terms of number of bit reading.
You instead are saying that the error
On Wed, Sep 10, 2014 at 09:25:17PM -0400, Sean Greenslade wrote:
On Thu, Sep 11, 2014 at 12:28:56AM +0200, Goffredo Baroncelli wrote:
The WD datasheet says something different. It reports Non-recoverable
read errors per bits read less than 1/10^14. They express the number of
error in
On Wed, Sep 10, 2014 at 11:51:19PM -0400, Zygo Blaxell wrote:
This is a complex topic.
I agree, and I make no claim to be an expert in any of this.
Some disks have bugs in their firmware, and some of those bugs make the
data sheets and most of this discussion entirely moot. The firmware is
On Wed, Sep 10, 2014 at 01:27:36PM +0100, Bob Williams wrote:
I have two 2TB disks formatted as a btrfs raid1 array, mirroring both
data and metadata. Last night I started
# btrfs filesystem balance path
and it is still running 18 hours later. This suggests that most stuff
only gets
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