Re: Unable to rebuild a 3 drive raid1 - blocked for more than 120 seconds.

2014-05-01 Thread Duncan
Saran Neti posted on Thu, 01 May 2014 00:48:22 -0400 as excerpted: I had 3 x 3 TB drives [...] Then one of the drives got busted. Mounting the fs in degraded mode and adding a new fresh drive to rebuild raid1, generated several ...blocked for more than 120 seconds. messages. Described in

Re: task sync:2450 blocked for more than 120 seconds.

2014-05-01 Thread Neuer User
It's probably best to copy al my data to another disk, then delete the parttiion and make a new ext4 partition. btrfs is probably still too experimental, I guess. Am 30.04.2014 08:37, schrieb Neuer User: Hi I have a non-rootfs btrfs partition that I use for some work where I like to keep

Re: btrfs on bcache

2014-05-01 Thread Austin S Hemmelgarn
On 2014-04-30 14:16, Felix Homann wrote: Hi, a couple of months ago there has been some discussion about issues when using btrfs on bcache: http://thread.gmane.org/gmane.comp.file-systems.btrfs/31018 From looking at the mailing list archives I cannot tell whether or not this issue has

Negative qgroup sizes

2014-05-01 Thread Alin Dobre
Hello, I am having trouble with one of the btrfs subvolumes, as it shows negative quota accounting values, like in the following output: # btrfs qgroup show -f /tmp/test qgroupid rfer excl 0/299-1576960 -1511424 Running

Re: btrfs checksum

2014-05-01 Thread Chris Mason
On 05/01/2014 12:16 AM, Jan Kasiak wrote: Is there a design/technical reason behind btrfs using checksums separately per block, versus checksumming into a merkle tree? We're using crc32c, which isn't suitable for detecting malicious data in general. The goal was just to find blocks that were

Re: Negative qgroup sizes

2014-05-01 Thread Duncan
Alin Dobre posted on Thu, 01 May 2014 14:32:55 +0100 as excerpted: I am having trouble with one of the btrfs subvolumes, as it shows negative quota accounting values Running a btrfs quota rescan -w /tmp/test seems to fix it, but it seems to come back pretty often (happened twice in the last

Re: task sync:2450 blocked for more than 120 seconds.

2014-05-01 Thread Duncan
Neuer User posted on Thu, 01 May 2014 10:14:35 +0200 as excerpted: It's probably best to copy al my data to another disk, then delete the parttiion and make a new ext4 partition. btrfs is probably still too experimental, I guess. I thought I replied to this one but it was to a different,

Very high load when reading/writing

2014-05-01 Thread Hendrik Friedel
Dear all, I have very high load when writing/reading from/to two of my btrfs volumes. One sda1, mounted as /mnt/BTRFS, the other, sdd2/sde2 (raid) as / sda1 is a 3TB disc, whereas the sdd2/sde2 are small SSDs of 16GB. I wrote a small script to demonstrate it. It does: -echo what it will do

Re: Unable to rebuild a 3 drive raid1 - blocked for more than 120 seconds.

2014-05-01 Thread Anand Jain
I had 3 x 3 TB drives in an almost full btrfs raid1 setup containing only large (~20 GB) files linearly written and not modified after. Then one of the drives got busted. Mounting the fs in degraded mode and adding a new fresh drive to rebuild raid1, generated several ...blocked for more

Re: Unable to rebuild a 3 drive raid1 - blocked for more than 120 seconds.

2014-05-01 Thread Chris Murphy
btrfs device add hang is reproduced with 3.15.0-0.rc3.git3.1.fc21.x86_64 which has some debugging options enabled; although btrfs options are the same as the non-debug kernel. There is slightly more information in the stack traces however. # grep -i btrfs config-3.15.0-0.rc3.git3.1.fc21.x86_64

Re: Unable to rebuild a 3 drive raid1 - blocked for more than 120 seconds.

2014-05-01 Thread Chris Murphy
OK I do finally get a message indicating a blocked task so I've updated the file, and also decided to just file a kernel bug on it so the file is assured to be somewhere more permanent. https://bugzilla.kernel.org/show_bug.cgi?id=75271 Chris Murphy-- To unsubscribe from this list: send the