Re: "csum failed" that was not detected by scrub

2014-05-03 Thread Marc MERLIN
On Fri, May 02, 2014 at 10:20:03AM +, Duncan wrote: > The raid5/6 page (which I didn't otherwise see conveniently linked, I dug It's linked off https://btrfs.wiki.kernel.org/index.php/FAQ#Can_I_use_RAID.5B56.5D_on_my_Btrfs_filesystem.3F > it out of the recent changes list since I knew it was

btrfs raid56 Was: "csum failed" that was not detected by scrub

2014-05-02 Thread Duncan
Jaap Pieroen posted on Fri, 02 May 2014 17:48:13 + as excerpted: > Duncan <1i5t5.duncan cox.net> writes: > > >> To those that know the details, this tells the story. >> >> Btrfs raid5/6 modes are not yet code-complete, and scrub is one of the >> incomplete bits. btrfs scrub doesn't know h

Re: "csum failed" that was not detected by scrub

2014-05-02 Thread Jaap Pieroen
Shilong Wang gmail.com> writes: > > Hello, > > There is a known RAID5/6 bug, i sent a patch to address this problem. > Could you please double check if your kernel source includes the > following commit: > > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/? id=3b080b25642

Re: "csum failed" that was not detected by scrub

2014-05-02 Thread Shilong Wang
Hello, 2014-05-02 17:42 GMT+08:00 Jaap Pieroen : > Hi all, > > I completed a full scrub: > root@nasbak:/home/jpieroen# btrfs scrub status /home/ > scrub status for 7ca5f38e-308f-43ab-b3ea-31b3bcd11a0d > scrub started at Wed Apr 30 08:30:19 2014 and finished after 144131 seconds > total bytes scru

Re: "csum failed" that was not detected by scrub

2014-05-02 Thread Duncan
Jaap Pieroen posted on Fri, 02 May 2014 11:42:35 +0200 as excerpted: > I completed a full scrub: > root@nasbak:/home/jpieroen# btrfs scrub status /home/ > scrub status for 7ca5f38e-308f-43ab-b3ea-31b3bcd11a0d > scrub started at Wed Apr 30 08:30:19 2014 > and finished after 144131 seconds > total b

"csum failed" that was not detected by scrub

2014-05-02 Thread Jaap Pieroen
Hi all, I completed a full scrub: root@nasbak:/home/jpieroen# btrfs scrub status /home/ scrub status for 7ca5f38e-308f-43ab-b3ea-31b3bcd11a0d scrub started at Wed Apr 30 08:30:19 2014 and finished after 144131 seconds total bytes scrubbed: 4.76TiB with 0 errors Then tried to remove a device: root