Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-06 Thread Chris Murphy
On Wed, Jul 6, 2016 at 8:24 PM, Tomasz Kusmierz wrote: > you are throwing a lot of useful data, maybe diverting some of it into wiki ? > you know, us normal people might find it useful for making educated choice in > some future ? :) There is a wiki, and it's difficult

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-06 Thread Tomasz Kusmierz
> On 7 Jul 2016, at 02:46, Chris Murphy wrote: > Chaps, I didn’t wanted this to spring up as a performance of btrfs argument, BUT you are throwing a lot of useful data, maybe diverting some of it into wiki ? you know, us normal people might find it useful for

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-06 Thread Chris Murphy
On Wed, Jul 6, 2016 at 5:22 PM, Kai Krakow wrote: > The current implementation of RAID0 in btrfs is probably not very > optimized. RAID0 is a special case anyways: Stripes have a defined > width - I'm not sure what it is for btrfs, probably it's per chunk, so > it's 1GB,

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-06 Thread Kai Krakow
Am Thu, 7 Jul 2016 00:51:16 +0100 schrieb Tomasz Kusmierz : > > On 7 Jul 2016, at 00:22, Kai Krakow wrote: > > > > Am Wed, 6 Jul 2016 13:20:15 +0100 > > schrieb Tomasz Kusmierz : > > > >> When I think of it, I did move

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-06 Thread Tomasz Kusmierz
> On 7 Jul 2016, at 00:22, Kai Krakow wrote: > > Am Wed, 6 Jul 2016 13:20:15 +0100 > schrieb Tomasz Kusmierz : > >> When I think of it, I did move this folder first when filesystem was >> RAID 1 (or not even RAID at all) and then it was upgraded to

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-06 Thread Kai Krakow
Am Wed, 6 Jul 2016 13:20:15 +0100 schrieb Tomasz Kusmierz : > When I think of it, I did move this folder first when filesystem was > RAID 1 (or not even RAID at all) and then it was upgraded to RAID 1 > then RAID 10. Was there a faulty balance around August 2014 ? Please >

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-06 Thread Tomasz Kusmierz
> On 6 Jul 2016, at 22:41, Henk Slager wrote: > > On Wed, Jul 6, 2016 at 2:20 PM, Tomasz Kusmierz > wrote: >> >>> On 6 Jul 2016, at 02:25, Henk Slager wrote: >>> >>> On Wed, Jul 6, 2016 at 2:32 AM, Tomasz Kusmierz

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-06 Thread Henk Slager
On Wed, Jul 6, 2016 at 2:20 PM, Tomasz Kusmierz wrote: > >> On 6 Jul 2016, at 02:25, Henk Slager wrote: >> >> On Wed, Jul 6, 2016 at 2:32 AM, Tomasz Kusmierz >> wrote: >>> >>> On 6 Jul 2016, at 00:30, Henk Slager

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-06 Thread Tomasz Kusmierz
> On 6 Jul 2016, at 02:25, Henk Slager wrote: > > On Wed, Jul 6, 2016 at 2:32 AM, Tomasz Kusmierz > wrote: >> >> On 6 Jul 2016, at 00:30, Henk Slager wrote: >> >> On Mon, Jul 4, 2016 at 11:28 PM, Tomasz Kusmierz

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-05 Thread Henk Slager
On Wed, Jul 6, 2016 at 2:32 AM, Tomasz Kusmierz wrote: > > On 6 Jul 2016, at 00:30, Henk Slager wrote: > > On Mon, Jul 4, 2016 at 11:28 PM, Tomasz Kusmierz > wrote: > > I did consider that, but: > - some files were NOT accessed

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-05 Thread Tomasz Kusmierz
On 6 Jul 2016, at 00:30, Henk Slager > wrote: > > On Mon, Jul 4, 2016 at 11:28 PM, Tomasz Kusmierz > wrote: >> I did consider that, but: >> - some files were NOT accessed by anything with 100%

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-05 Thread Henk Slager
On Mon, Jul 4, 2016 at 11:28 PM, Tomasz Kusmierz wrote: > I did consider that, but: > - some files were NOT accessed by anything with 100% certainty (well if there > is a rootkit on my system or something in that shape than maybe yes) > - the only application that could

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-04 Thread Duncan
Henk Slager posted on Mon, 04 Jul 2016 23:13:52 +0200 as excerpted: > [Tomasz Kusmierz wrote...] >> Problem is that stuff on this filesystem moves so slowly that it's hard >> to remember historical events ... it's like AWS glacier. What I can >> state with 100% certainty is that: >> - files that

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-04 Thread Tomasz Kusmierz
I did consider that, but: - some files were NOT accessed by anything with 100% certainty (well if there is a rootkit on my system or something in that shape than maybe yes) - the only application that could access those files is totem (well Nautilius checks extension -> directs it to totem) so

Re: btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-04 Thread Henk Slager
On Sun, Jul 3, 2016 at 1:36 AM, Tomasz Kusmierz wrote: > Hi, > > My setup is that I use one file system for / and /home (on SSD) and a > larger raid 10 for /mnt/share (6 x 2TB). > > Today I've discovered that 14 of files that are supposed to be over > 2GB are in fact just

btrfs RAID 10 truncates files over 2G to 4096 bytes.

2016-07-02 Thread Tomasz Kusmierz
Hi, My setup is that I use one file system for / and /home (on SSD) and a larger raid 10 for /mnt/share (6 x 2TB). Today I've discovered that 14 of files that are supposed to be over 2GB are in fact just 4096 bytes. I've checked the content of those 4KB and it seems that it does contain