Am Dienstag, 22. Juli 2014, 17:15:21 schrieb Chris Mason: > On 07/22/2014 05:13 PM, Martin Steigerwald wrote: > > Am Dienstag, 22. Juli 2014, 10:53:03 schrieb Chris Mason: > >> On 07/19/2014 02:23 PM, Martin Steigerwald wrote: > >>>> Running 3.15.6 with this patch applied on top: > >>>> - still causes a hang with `rsync -hPaHAXx --del /mnt/home/nyx/ > >>>> /home/nyx/` > >>>> > >>>> - no extra error messages printed (`dmesg | grep racing`) compared to > >>>> without the patch > >>> > >>> I got same results with 3.16-rc5 + this patch (see thread BTRFS hang > >>> with > >>> 3.16-rc5). 3.16-rc4 still is fine with me. No hang whatsoever so far. > >>> > >>>> To recap some details (so I can have it all in one place): > >>>> - /home/ is btrfs with compress=lzo > >>> > >>> BTRFS RAID 1 with lzo. > >>> > >>>> - I have _not_ created any nodatacow files. > >>> > >>> Me neither. > >>> > >>>> - Full stack is: sata <-> dmcrypt <-> lvm <-> btrfs (I noticed others > >>>> > >>>> mentioning the use of dmcrypt) > >>> > >>> Same, except no dmcrypt. > >> > >> Thanks for the help in tracking this down everyone. We'll get there! > >> Are you all running multi-disk systems (from a btrfs POV, more than one > >> device?) I don't care how many physical drives this maps to, just does > >> btrfs think there's more than one drive. > > > > As I told before I am using BTRFS RAID 1. Two logival volumes on two > > distinct SSDs. RAID is directly in BTRFS, no SoftRAID here (which I > > wouldn´t want to use with SSDs anyway). > > When you say logical volumes, you mean LVM right? Just making sure I > know all the pieces involved.
Exactly. As a recap from the other thread: merkaba:~> btrfs fi sh /home Label: 'home' uuid: […] Total devices 2 FS bytes used 123.20GiB devid 1 size 160.00GiB used 159.98GiB path /dev/mapper/msata-home devid 2 size 160.00GiB used 159.98GiB path /dev/dm-3 Btrfs v3.14.1 merkaba:~#1> btrfs fi df /home Data, RAID1: total=154.95GiB, used=120.61GiB System, RAID1: total=32.00MiB, used=48.00KiB Metadata, RAID1: total=5.00GiB, used=2.59GiB unknown, single: total=512.00MiB, used=0.00 merkaba:~> df -hT /home Dateisystem Typ Größe Benutzt Verf. Verw% Eingehängt auf /dev/mapper/msata-home btrfs 320G 247G 69G 79% /home merkaba:~> file -sk /dev/sata/home /dev/sata/home: symbolic link to `../dm-3' merkaba:~> file -sk /dev/dm-3 /dev/dm-3: BTRFS Filesystem label "home", sectorsize 4096, nodesize 16384, leafsize 16384, UUID=[…], 132303151104/343597383680 bytes used, 2 devices And LVM layout: merkaba:~> lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 279,5G 0 disk ├─sda1 8:1 0 4M 0 part ├─sda2 8:2 0 191M 0 part ├─sda3 8:3 0 286M 0 part └─sda4 8:4 0 279G 0 part ├─sata-home (dm-3) 254:3 0 160G 0 lvm ├─sata-swap (dm-4) 254:4 0 12G 0 lvm [SWAP] └─sata-debian (dm-5) 254:5 0 30G 0 lvm sdb 8:16 0 447,1G 0 disk ├─sdb1 8:17 0 200M 0 part ├─sdb2 8:18 0 300M 0 part /boot └─sdb3 8:19 0 446,7G 0 part ├─msata-home (dm-0) 254:0 0 160G 0 lvm ├─msata-daten (dm-1) 254:1 0 200G 0 lvm └─msata-debian (dm-2) 254:2 0 30G 0 lvm sr0 11:0 1 1024M 0 rom sda is Intel SSD 320 SATA sdb is Crucial m500 mSATA Thanks, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html