On 19/08/14 12:21 PM, M G Berberich wrote:
we are thinking about using BtrFS on standard hardware for a
fileserver with about 50T (100T raw) of storage (25×4TByte).
...
· Are there any reports/papers/web-pages about BtrFS-systems this size
in use? Praises, complains, performance-reviews, wh
On 08/19/2014 05:38 PM, Andrej Manduch wrote:
> Hi,
>
> On 08/19/2014 06:21 PM, M G Berberich wrote:> · Are there any
> reports/papers/web-pages about BtrFS-systems this size
>> in use? Praises, complains, performance-reviews, whatever…
>
> I don't know about papers or benchmarks but few weeks
As a counter-argument, I use BTRFS on a filesystem with about 280TB raw right now as a
fileserver. Note that this is mostly transient data (raid 0), and I have stuck with 3.14,
hearing the horror stories of 3.15/3.16 locking up.
Even at that size (29TB LUNs), I have been able to add and remove
we are thinking about using BtrFS on standard hardware for a
fileserver with about 50T (100T raw) of storage (25×4TByte).
I would recommend carefully reading this thread titled: "1 week to
rebuid 4x 3TB raid10 is a long time!"
So I have a 2 x 2.6 TB devices in btrfs RAID-1, 716G used. Linux
On Tue, Aug 19, 2014 at 06:21:52PM +0200, M G Berberich wrote:
> · incremental send/receive works.
Yes.
> · There is no support for hotspares (spare disks that automatically
> replaces faulty disk).
Correct
> · BtrFS with RAID1 is fairly stable.
>From what I know.
> · RAID 5/6 spreads all
On Tue, 19 Aug 2014 18:21:52 +0200
M G Berberich wrote:
> · BtrFS with RAID1 is fairly stable.
Maybe, but it's not optimized for performance: reads are not balanced in the
most optimal way, and writes may end up being submitted sequentially rather
than in parallel to two devices, resulting in wr
Hi,
On 08/19/2014 06:21 PM, M G Berberich wrote:> · Are there any
reports/papers/web-pages about BtrFS-systems this size
> in use? Praises, complains, performance-reviews, whatever…
I don't know about papers or benchmarks but few weeks ago there was a
guy who has problem with really long mounti
On Tue, Aug 19, 2014 at 11:21 AM, M G Berberich
wrote:
> Hello,
>
> we are thinking about using BtrFS on standard hardware for a
> fileserver with about 50T (100T raw) of storage (25×4TByte).
>
I would recommend carefully reading this thread titled: "1 week to
rebuid 4x 3TB raid10 is a long time!
On 2014-08-19 12:21, M G Berberich wrote:
> Hello,
>
> we are thinking about using BtrFS on standard hardware for a
> fileserver with about 50T (100T raw) of storage (25×4TByte).
>
> This is what I understood so far. Is this right?
>
> · incremental send/receive works.
>
> · There is no support
> · Besides using bcache, are there any possibilities to boost
> performance by adding (dedicated) cache-SSDs to a BtrFS?
dm-cache is in the mainline kernel and lvm2 recently added support to
make devicemapper configuration automatic. In my opinion, dm-cache is
a little easier to use because yo
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