From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:39486 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751334AbcDWHHv (ORCPT ); Sat, 23 Apr 2016 03:07:51 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1atrfO-0003Uy-MN for linux-btrfs@vger.kernel.org; Sat, 23 Apr 2016 09:07:46 +0200 Received: from p5090971f.dip0.t-ipconnect.de ([80.144.151.31]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 23 Apr 2016 09:07:46 +0200 Received: from matthias by p5090971f.dip0.t-ipconnect.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 23 Apr 2016 09:07:46 +0200 To: linux-btrfs@vger.kernel.org From: Matthias Bodenbinder Subject: Re: Question: raid1 behaviour on failure Date: Sat, 23 Apr 2016 09:07:38 +0200 Message-ID: References: <57148B2E.6010904@cn.fujitsu.com> <9ade4472-c99d-82a8-27c9-704b75bd87ab@cn.fujitsu.com> <180d89ae-32cf-ad59-2b6e-56ed82e9f439@cn.fujitsu.com> <1772508d-40b5-5303-8edb-29b5504216aa@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: <1772508d-40b5-5303-8edb-29b5504216aa@cn.fujitsu.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Here is my newest test. The backports provide a 4.5 kernel: #### kernel: 4.5.0-0.bpo.1-amd64 btrfs-tools: 4.4-1~bpo8+1 #### This time the raid1 is automatically unmounted after I unplug the device and it can not be mounted while the device is missing. See below. Matthias #### 1) turn on the Fantec case: Apr 23 08:45:38 rakete kernel: usb 3-1: new SuperSpeed USB device number 2 using xhci_hcd Apr 23 08:45:38 rakete kernel: usb 3-1: New USB device found, idVendor=152d, idProduct=0567 Apr 23 08:45:38 rakete kernel: usb 3-1: New USB device strings: Mfr=10, Product=11, SerialNumber=5 Apr 23 08:45:38 rakete kernel: usb 3-1: Product: USB to ATA/ATAPI Bridge Apr 23 08:45:38 rakete kernel: usb 3-1: Manufacturer: JMicron Apr 23 08:45:38 rakete kernel: usb 3-1: SerialNumber: 152D00539000 Apr 23 08:45:38 rakete mtp-probe[3641]: checking bus 3, device 2: "/sys/devices/pci0000:00/0000:00:1c.5/0000:04:00.0/usb3/3-1" Apr 23 08:45:38 rakete mtp-probe[3641]: bus: 3, device: 2 was not an MTP device Apr 23 08:45:38 rakete kernel: usb-storage 3-1:1.0: USB Mass Storage device detected Apr 23 08:45:38 rakete kernel: usb-storage 3-1:1.0: Quirks match for vid 152d pid 0567: 5000000 Apr 23 08:45:38 rakete kernel: scsi host8: usb-storage 3-1:1.0 Apr 23 08:45:38 rakete kernel: usbcore: registered new interface driver usb-storage Apr 23 08:45:38 rakete kernel: usbcore: registered new interface driver uas Apr 23 08:45:39 rakete kernel: scsi 8:0:0:0: Direct-Access WDC WD20 02FAEX-007BA0 0125 PQ: 0 ANSI: 6 Apr 23 08:45:39 rakete kernel: scsi 8:0:0:1: Direct-Access WDC WD75 00AACS-00C7B0 0125 PQ: 0 ANSI: 6 Apr 23 08:45:39 rakete kernel: scsi 8:0:0:2: Direct-Access WDC WD50 01AALS-00L3B2 0125 PQ: 0 ANSI: 6 Apr 23 08:45:39 rakete kernel: scsi 8:0:0:3: Direct-Access SAMSUNG SP2504C 0125 PQ: 0 ANSI: 6 Apr 23 08:45:39 rakete kernel: sd 8:0:0:0: Attached scsi generic sg6 type 0 Apr 23 08:45:39 rakete kernel: sd 8:0:0:0: [sdf] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB) Apr 23 08:45:39 rakete kernel: sd 8:0:0:1: Attached scsi generic sg7 type 0 Apr 23 08:45:39 rakete kernel: sd 8:0:0:0: [sdf] Write Protect is off Apr 23 08:45:39 rakete kernel: sd 8:0:0:0: [sdf] Mode Sense: 67 00 10 08 Apr 23 08:45:39 rakete kernel: sd 8:0:0:2: Attached scsi generic sg8 type 0 Apr 23 08:45:39 rakete kernel: sd 8:0:0:1: [sdg] 1465149168 512-byte logical blocks: (750 GB/699 GiB) Apr 23 08:45:39 rakete kernel: sd 8:0:0:1: [sdg] Write Protect is off Apr 23 08:45:39 rakete kernel: sd 8:0:0:1: [sdg] Mode Sense: 67 00 10 08 Apr 23 08:45:39 rakete kernel: sd 8:0:0:2: [sdh] 976773168 512-byte logical blocks: (500 GB/466 GiB) Apr 23 08:45:39 rakete kernel: sd 8:0:0:3: Attached scsi generic sg9 type 0 Apr 23 08:45:39 rakete kernel: sd 8:0:0:1: [sdg] No Caching mode page found Apr 23 08:45:39 rakete kernel: sd 8:0:0:1: [sdg] Assuming drive cache: write through Apr 23 08:45:39 rakete kernel: sd 8:0:0:2: [sdh] Write Protect is off Apr 23 08:45:39 rakete kernel: sd 8:0:0:2: [sdh] Mode Sense: 67 00 10 08 Apr 23 08:45:39 rakete kernel: sd 8:0:0:3: [sdi] 488395055 512-byte logical blocks: (250 GB/233 GiB) Apr 23 08:45:39 rakete kernel: sd 8:0:0:0: [sdf] No Caching mode page found Apr 23 08:45:39 rakete kernel: sd 8:0:0:0: [sdf] Assuming drive cache: write through Apr 23 08:45:39 rakete kernel: sd 8:0:0:3: [sdi] Write Protect is off Apr 23 08:45:39 rakete kernel: sd 8:0:0:3: [sdi] Mode Sense: 67 00 10 08 Apr 23 08:45:39 rakete kernel: sd 8:0:0:2: [sdh] No Caching mode page found Apr 23 08:45:39 rakete kernel: sd 8:0:0:2: [sdh] Assuming drive cache: write through Apr 23 08:45:39 rakete kernel: sd 8:0:0:3: [sdi] No Caching mode page found Apr 23 08:45:39 rakete kernel: sd 8:0:0:3: [sdi] Assuming drive cache: write through Apr 23 08:45:39 rakete kernel: sdf: sdf1 Apr 23 08:45:39 rakete kernel: sd 8:0:0:0: [sdf] Attached SCSI disk Apr 23 08:45:39 rakete kernel: sd 8:0:0:1: [sdg] Attached SCSI disk Apr 23 08:45:40 rakete kernel: sd 8:0:0:2: [sdh] Attached SCSI disk Apr 23 08:45:40 rakete kernel: sd 8:0:0:3: [sdi] Attached SCSI disk Apr 23 08:45:40 rakete kernel: BTRFS: device fsid 16d5891f-5d52-4b29-8591-588ddf11e73d devid 1 transid 89 /dev/sdg Apr 23 08:45:40 rakete kernel: BTRFS: device fsid 16d5891f-5d52-4b29-8591-588ddf11e73d devid 2 transid 89 /dev/sdh Apr 23 08:45:40 rakete kernel: BTRFS: device fsid 16d5891f-5d52-4b29-8591-588ddf11e73d devid 3 transid 89 /dev/sdi Apr 23 08:45:40 rakete kernel: EXT4-fs (sdf1): mounted filesystem with ordered data mode. Opts: (null) Apr 23 08:45:40 rakete udisksd[2422]: Mounted /dev/sdf1 at /media/matthias/BACKUP on behalf of uid 1000 #### 7# mount /mnt/raid1/ Apr 23 08:47:31 rakete kernel: BTRFS info (device sdi): enabling auto defrag Apr 23 08:47:31 rakete kernel: BTRFS info (device sdi): disk space caching is enabled Apr 23 08:47:31 rakete kernel: BTRFS: has skinny extents 8# btrfs fi show Label: none uuid: 16d5891f-5d52-4b29-8591-588ddf11e73d Total devices 3 FS bytes used 1.60GiB devid 1 size 698.64GiB used 3.03GiB path /dev/sdg devid 2 size 465.76GiB used 3.03GiB path /dev/sdh devid 3 size 232.88GiB used 0.00B path /dev/sdi 9# ls -l /mnt/raid1/ total 0 drwxrwxr-x 1 root root 36 Nov 14 2014 AfterShot2(64-bit) drwxrwxr-x 1 root root 5082 Apr 17 09:06 etc drwxr-xr-x 1 root root 108 Mar 24 07:31 var #### Unplug the biggest HD Apr 23 08:51:29 rakete kernel: usb 3-1: USB disconnect, device number 2 Apr 23 08:51:29 rakete kernel: Buffer I/O error on dev sdf1, logical block 243826688, lost sync page write Apr 23 08:51:29 rakete kernel: JBD2: Error -5 detected when updating journal superblock for sdf1-8. Apr 23 08:51:29 rakete kernel: Aborting journal on device sdf1-8. Apr 23 08:51:29 rakete kernel: Buffer I/O error on dev sdf1, logical block 243826688, lost sync page write Apr 23 08:51:29 rakete kernel: JBD2: Error -5 detected when updating journal superblock for sdf1-8. Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 1, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 3, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 3, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 4, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 5, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 6, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 7, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 8, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 9, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): bdev /dev/sdh errs: wr 0, rd 10, flush 0, corrupt 0, gen 0 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): error reading free space cache Apr 23 08:51:29 rakete kernel: BTRFS warning (device sdi): failed to load free space cache for block group 20497563648, rebuilding it now Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): error reading free space cache Apr 23 08:51:29 rakete kernel: BTRFS warning (device sdi): failed to load free space cache for block group 21571305472, rebuilding it now Apr 23 08:51:29 rakete kernel: BTRFS: error (device sdi) in btrfs_commit_transaction:2142: errno=-5 IO failure (Error while writing out transaction) Apr 23 08:51:29 rakete kernel: BTRFS info (device sdi): forced readonly Apr 23 08:51:29 rakete kernel: BTRFS warning (device sdi): Skipping commit of aborted transaction. Apr 23 08:51:29 rakete kernel: ------------[ cut here ]------------ Apr 23 08:51:29 rakete kernel: WARNING: CPU: 1 PID: 4277 at /build/linux-Ki7dwx/linux-4.5.1/fs/btrfs/transaction.c:1764 cleanup_transaction+0x96/0x300 [btrfs]() Apr 23 08:51:29 rakete kernel: BTRFS: Transaction aborted (error -5) Apr 23 08:51:29 rakete kernel: Modules linked in: uas(E) usb_storage(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) binfmt_misc(E) dvb_ttpci(E) saa7146_vv(E) ttpci_eeprom(E) saa7146(E) videobuf_dma_sg(E) videobuf_core(E) dvb_core(E) v4l2_common(E) videodev(E) media(E) cfg80211(E) vboxdrv(OE) cpufreq_powersave(E) cpufreq_conservative(E) cpufreq_userspace(E) cpufreq_stats(E) snd_hda_codec_hdmi(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) drbg(E) ansi_cprng(E) eeepc_wmi(E) asus_wmi(E) sparse_keymap(E) iTCO_wdt(E) joydev(E) iTCO_vendor_support(E) rfkill(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) glue_helper(E) ablk_helper(E) cryptd(E) snd_hda_codec_realtek(E) pcspkr(E) snd_hda_codec_generic(E) Apr 23 08:51:29 rakete kernel: serio_raw(E) i2c_i801(E) lpc_ich(E) mfd_core(E) snd_hda_intel(E) snd_hda_codec(E) snd_hda_core(E) snd_hwdep(E) snd_pcm(E) evdev(E) battery(E) snd_timer(E) 8250_fintek(E) snd(E) mei_me(E) soundcore(E) mei(E) shpchp(E) tpm_tis(E) tpm(E) processor(E) nvidia(POE) drm(E) fuse(E) ecryptfs(E) cbc(E) hmac(E) encrypted_keys(E) parport_pc(E) ppdev(E) lp(E) parport(E) autofs4(E) ext4(E) crc16(E) mbcache(E) jbd2(E) btrfs(E) raid456(E) async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) async_tx(E) xor(E) hid_generic(E) usbhid(E) hid(E) raid6_pq(E) libcrc32c(E) crc32c_generic(E) md_mod(E) dm_mirror(E) dm_region_hash(E) dm_log(E) dm_mod(E) sg(E) sr_mod(E) cdrom(E) sd_mod(E) ata_generic(E) ahci(E) pata_via(E) libahci(E) crc32c_intel(E) xhci_pci(E) ehci_pci(E) psmouse(E) libata(E) xhci_hcd(E) Apr 23 08:51:29 rakete kernel: ehci_hcd(E) atl1c(E) scsi_mod(E) usbcore(E) usb_common(E) wmi(E) fan(E) thermal(E) fjes(E) video(E) button(E) Apr 23 08:51:29 rakete kernel: CPU: 1 PID: 4277 Comm: umount Tainted: P OE 4.5.0-0.bpo.1-amd64 #1 Debian 4.5.1-1~bpo8+1 Apr 23 08:51:29 rakete kernel: Hardware name: System manufacturer System Product Name/P8H67-V, BIOS 3707 07/12/2013 Apr 23 08:51:29 rakete kernel: 0000000000000286 00000000bfe9047d ffffffff813099f5 ffff8801c1103ca8 Apr 23 08:51:29 rakete kernel: ffffffffc03a8c98 ffffffff81079a61 ffff880214562d90 ffff8801c1103d00 Apr 23 08:51:29 rakete kernel: ffff8801c5165980 00000000fffffffb ffff880214562d90 ffffffff81079aec Apr 23 08:51:29 rakete kernel: Call Trace: Apr 23 08:51:29 rakete kernel: [] ? dump_stack+0x5c/0x77 Apr 23 08:51:29 rakete kernel: [] ? warn_slowpath_common+0x81/0xb0 Apr 23 08:51:29 rakete kernel: [] ? warn_slowpath_fmt+0x5c/0x80 Apr 23 08:51:29 rakete kernel: [] ? cleanup_transaction+0x96/0x300 [btrfs] Apr 23 08:51:29 rakete kernel: [] ? wait_woken+0x90/0x90 Apr 23 08:51:29 rakete kernel: [] ? btrfs_commit_transaction+0x2b3/0xa30 [btrfs] Apr 23 08:51:29 rakete kernel: [] ? start_transaction+0x96/0x4d0 [btrfs] Apr 23 08:51:29 rakete kernel: [] ? close_ctree+0x2b2/0x360 [btrfs] Apr 23 08:51:29 rakete kernel: [] ? evict_inodes+0x147/0x170 Apr 23 08:51:29 rakete kernel: [] ? generic_shutdown_super+0x69/0xf0 Apr 23 08:51:29 rakete kernel: [] ? kill_anon_super+0xe/0x20 Apr 23 08:51:29 rakete kernel: [] ? btrfs_kill_super+0x13/0x100 [btrfs] Apr 23 08:51:29 rakete kernel: [] ? deactivate_locked_super+0x34/0x60 Apr 23 08:51:29 rakete kernel: [] ? cleanup_mnt+0x3b/0x80 Apr 23 08:51:29 rakete kernel: [] ? task_work_run+0x74/0x90 Apr 23 08:51:29 rakete kernel: [] ? exit_to_usermode_loop+0xba/0xc0 Apr 23 08:51:29 rakete kernel: [] ? syscall_return_slowpath+0x8f/0x110 Apr 23 08:51:29 rakete kernel: [] ? int_ret_from_sys_call+0x25/0x8f Apr 23 08:51:29 rakete kernel: ---[ end trace 6bbe2b6d20973e0e ]--- Apr 23 08:51:29 rakete kernel: BTRFS: error (device sdi) in cleanup_transaction:1764: errno=-5 IO failure Apr 23 08:51:29 rakete kernel: BTRFS info (device sdi): delayed_refs has NO entry Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): commit super ret -5 Apr 23 08:51:29 rakete kernel: BTRFS error (device sdi): cleaner transaction attach returned -30 .... Apr 23 08:51:48 rakete kernel: usb 3-1: new SuperSpeed USB device number 3 using xhci_hcd Apr 23 08:51:48 rakete kernel: usb 3-1: New USB device found, idVendor=152d, idProduct=0567 Apr 23 08:51:48 rakete kernel: usb 3-1: New USB device strings: Mfr=10, Product=11, SerialNumber=5 Apr 23 08:51:48 rakete kernel: usb 3-1: Product: USB to ATA/ATAPI Bridge Apr 23 08:51:48 rakete kernel: usb 3-1: Manufacturer: JMicron Apr 23 08:51:48 rakete kernel: usb 3-1: SerialNumber: 152D00539000 Apr 23 08:51:48 rakete kernel: usb-storage 3-1:1.0: USB Mass Storage device detected Apr 23 08:51:48 rakete kernel: usb-storage 3-1:1.0: Quirks match for vid 152d pid 0567: 5000000 Apr 23 08:51:48 rakete kernel: scsi host9: usb-storage 3-1:1.0 Apr 23 08:51:48 rakete mtp-probe[4301]: checking bus 3, device 3: "/sys/devices/pci0000:00/0000:00:1c.5/0000:04:00.0/usb3/3-1" Apr 23 08:51:48 rakete mtp-probe[4301]: bus: 3, device: 3 was not an MTP device Apr 23 08:51:49 rakete kernel: scsi 9:0:0:0: Direct-Access WDC WD20 02FAEX-007BA0 0125 PQ: 0 ANSI: 6 Apr 23 08:51:49 rakete kernel: scsi 9:0:0:1: Direct-Access WDC WD50 01AALS-00L3B2 0125 PQ: 0 ANSI: 6 Apr 23 08:51:49 rakete kernel: scsi 9:0:0:2: Direct-Access SAMSUNG SP2504C 0125 PQ: 0 ANSI: 6 Apr 23 08:51:49 rakete kernel: sd 9:0:0:0: Attached scsi generic sg6 type 0 Apr 23 08:51:49 rakete kernel: sd 9:0:0:1: Attached scsi generic sg7 type 0 Apr 23 08:51:49 rakete kernel: sd 9:0:0:0: [sdf] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB) Apr 23 08:51:49 rakete kernel: sd 9:0:0:2: Attached scsi generic sg8 type 0 Apr 23 08:51:49 rakete kernel: sd 9:0:0:0: [sdf] Write Protect is off Apr 23 08:51:49 rakete kernel: sd 9:0:0:0: [sdf] Mode Sense: 67 00 10 08 Apr 23 08:51:49 rakete kernel: sd 9:0:0:1: [sdg] 976773168 512-byte logical blocks: (500 GB/466 GiB) Apr 23 08:51:49 rakete kernel: sd 9:0:0:0: [sdf] No Caching mode page found Apr 23 08:51:49 rakete kernel: sd 9:0:0:0: [sdf] Assuming drive cache: write through Apr 23 08:51:49 rakete kernel: sd 9:0:0:1: [sdg] Write Protect is off Apr 23 08:51:49 rakete kernel: sd 9:0:0:1: [sdg] Mode Sense: 67 00 10 08 Apr 23 08:51:49 rakete kernel: sd 9:0:0:2: [sdh] 488395055 512-byte logical blocks: (250 GB/233 GiB) Apr 23 08:51:49 rakete kernel: sd 9:0:0:1: [sdg] No Caching mode page found Apr 23 08:51:49 rakete kernel: sd 9:0:0:1: [sdg] Assuming drive cache: write through Apr 23 08:51:49 rakete kernel: sd 9:0:0:2: [sdh] Write Protect is off Apr 23 08:51:49 rakete kernel: sd 9:0:0:2: [sdh] Mode Sense: 67 00 10 08 Apr 23 08:51:49 rakete kernel: sd 9:0:0:2: [sdh] No Caching mode page found Apr 23 08:51:49 rakete kernel: sd 9:0:0:2: [sdh] Assuming drive cache: write through Apr 23 08:51:49 rakete kernel: sdf: sdf1 Apr 23 08:51:49 rakete kernel: sd 9:0:0:0: [sdf] Attached SCSI disk Apr 23 08:51:49 rakete kernel: sd 9:0:0:1: [sdg] Attached SCSI disk Apr 23 08:51:49 rakete kernel: sd 9:0:0:2: [sdh] Attached SCSI disk Apr 23 08:51:49 rakete udisksd[2422]: Mounted /dev/sdf1 at /media/matthias/BACKUP on behalf of uid 1000 Apr 23 08:51:49 rakete kernel: EXT4-fs (sdf1): recovery complete Apr 23 08:51:49 rakete kernel: EXT4-fs (sdf1): mounted filesystem with ordered data mode. Opts: (null) #### 10# btrfs fi show warning, device 1 is missing warning devid 1 not found already Label: none uuid: 16d5891f-5d52-4b29-8591-588ddf11e73d Total devices 3 FS bytes used 1.60GiB devid 2 size 465.76GiB used 3.03GiB path /dev/sdg devid 3 size 232.88GiB used 0.00B path /dev/sdh *** Some devices missing #### This time the raid1 is in state "unmounted" after removing the device. This is different to what I found with kernel 4.4. 12# ls -l /mnt/raid1/ total 0 #### Trying to mount it again: 14# mount /mnt/raid1/ mount: wrong fs type, bad option, bad superblock on /dev/sdh, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so. #### Apr 23 08:54:35 rakete kernel: BTRFS info (device sdh): enabling auto defrag Apr 23 08:54:35 rakete kernel: BTRFS info (device sdh): disk space caching is enabled Apr 23 08:54:35 rakete kernel: BTRFS: has skinny extents Apr 23 08:54:35 rakete kernel: BTRFS: failed to read the system array on sdh Apr 23 08:54:35 rakete kernel: BTRFS: open_ctree failed #### Plugin the device again. Apr 23 08:55:44 rakete kernel: usb 3-1: USB disconnect, device number 3 Apr 23 08:56:06 rakete kernel: usb 3-1: new SuperSpeed USB device number 4 using xhci_hcd Apr 23 08:56:06 rakete kernel: usb 3-1: New USB device found, idVendor=152d, idProduct=0567 Apr 23 08:56:06 rakete kernel: usb 3-1: New USB device strings: Mfr=10, Product=11, SerialNumber=5 Apr 23 08:56:06 rakete kernel: usb 3-1: Product: USB to ATA/ATAPI Bridge Apr 23 08:56:06 rakete kernel: usb 3-1: Manufacturer: JMicron Apr 23 08:56:06 rakete kernel: usb 3-1: SerialNumber: 152D00539000 Apr 23 08:56:06 rakete kernel: usb-storage 3-1:1.0: USB Mass Storage device detected Apr 23 08:56:06 rakete kernel: usb-storage 3-1:1.0: Quirks match for vid 152d pid 0567: 5000000 Apr 23 08:56:06 rakete kernel: scsi host10: usb-storage 3-1:1.0 Apr 23 08:56:06 rakete mtp-probe[4751]: checking bus 3, device 4: "/sys/devices/pci0000:00/0000:00:1c.5/0000:04:00.0/usb3/3-1" Apr 23 08:56:06 rakete mtp-probe[4751]: bus: 3, device: 4 was not an MTP device Apr 23 08:56:07 rakete kernel: scsi 10:0:0:0: Direct-Access WDC WD20 02FAEX-007BA0 0125 PQ: 0 ANSI: 6 Apr 23 08:56:07 rakete kernel: scsi 10:0:0:1: Direct-Access WDC WD75 00AACS-00C7B0 0125 PQ: 0 ANSI: 6 Apr 23 08:56:07 rakete kernel: scsi 10:0:0:2: Direct-Access WDC WD50 01AALS-00L3B2 0125 PQ: 0 ANSI: 6 Apr 23 08:56:07 rakete kernel: scsi 10:0:0:3: Direct-Access SAMSUNG SP2504C 0125 PQ: 0 ANSI: 6 Apr 23 08:56:07 rakete kernel: sd 10:0:0:0: Attached scsi generic sg6 type 0 Apr 23 08:56:07 rakete kernel: sd 10:0:0:0: [sdf] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB) Apr 23 08:56:07 rakete kernel: sd 10:0:0:0: [sdf] Write Protect is off Apr 23 08:56:07 rakete kernel: sd 10:0:0:0: [sdf] Mode Sense: 67 00 10 08 Apr 23 08:56:07 rakete kernel: sd 10:0:0:1: Attached scsi generic sg7 type 0 Apr 23 08:56:07 rakete kernel: sd 10:0:0:0: [sdf] No Caching mode page found Apr 23 08:56:07 rakete kernel: sd 10:0:0:0: [sdf] Assuming drive cache: write through Apr 23 08:56:07 rakete kernel: sd 10:0:0:2: Attached scsi generic sg8 type 0 Apr 23 08:56:07 rakete kernel: sd 10:0:0:1: [sdg] 1465149168 512-byte logical blocks: (750 GB/699 GiB) Apr 23 08:56:07 rakete kernel: sd 10:0:0:3: Attached scsi generic sg9 type 0 Apr 23 08:56:07 rakete kernel: sd 10:0:0:1: [sdg] Write Protect is off Apr 23 08:56:07 rakete kernel: sd 10:0:0:1: [sdg] Mode Sense: 67 00 10 08 Apr 23 08:56:07 rakete kernel: sd 10:0:0:2: [sdh] 976773168 512-byte logical blocks: (500 GB/466 GiB) Apr 23 08:56:07 rakete kernel: sd 10:0:0:1: [sdg] No Caching mode page found Apr 23 08:56:07 rakete kernel: sd 10:0:0:1: [sdg] Assuming drive cache: write through Apr 23 08:56:07 rakete kernel: sd 10:0:0:3: [sdi] 488395055 512-byte logical blocks: (250 GB/233 GiB) Apr 23 08:56:07 rakete kernel: sd 10:0:0:2: [sdh] Write Protect is off Apr 23 08:56:07 rakete kernel: sd 10:0:0:2: [sdh] Mode Sense: 67 00 10 08 Apr 23 08:56:07 rakete kernel: sd 10:0:0:3: [sdi] Write Protect is off Apr 23 08:56:07 rakete kernel: sd 10:0:0:3: [sdi] Mode Sense: 67 00 10 08 Apr 23 08:56:07 rakete kernel: sd 10:0:0:2: [sdh] No Caching mode page found Apr 23 08:56:07 rakete kernel: sd 10:0:0:2: [sdh] Assuming drive cache: write through Apr 23 08:56:07 rakete kernel: sd 10:0:0:3: [sdi] No Caching mode page found Apr 23 08:56:07 rakete kernel: sd 10:0:0:3: [sdi] Assuming drive cache: write through Apr 23 08:56:07 rakete kernel: sdf: sdf1 Apr 23 08:56:07 rakete kernel: sd 10:0:0:0: [sdf] Attached SCSI disk Apr 23 08:56:07 rakete kernel: sd 10:0:0:1: [sdg] Attached SCSI disk Apr 23 08:56:07 rakete kernel: sd 10:0:0:2: [sdh] Attached SCSI disk Apr 23 08:56:07 rakete kernel: sd 10:0:0:3: [sdi] Attached SCSI disk Apr 23 08:56:07 rakete kernel: BTRFS: device fsid 16d5891f-5d52-4b29-8591-588ddf11e73d devid 1 transid 89 /dev/sdg Apr 23 08:56:07 rakete kernel: BTRFS: device fsid 16d5891f-5d52-4b29-8591-588ddf11e73d devid 2 transid 89 /dev/sdh Apr 23 08:56:07 rakete kernel: BTRFS: device fsid 16d5891f-5d52-4b29-8591-588ddf11e73d devid 3 transid 89 /dev/sdi Apr 23 08:56:07 rakete kernel: EXT4-fs (sdf1): recovery complete Apr 23 08:56:07 rakete kernel: EXT4-fs (sdf1): mounted filesystem with ordered data mode. Opts: (null) #### 15# btrfs fi show Label: none uuid: 16d5891f-5d52-4b29-8591-588ddf11e73d Total devices 3 FS bytes used 1.60GiB devid 1 size 698.64GiB used 3.03GiB path /dev/sdg devid 2 size 465.76GiB used 3.03GiB path /dev/sdh devid 3 size 232.88GiB used 0.00B path /dev/sdi #### 18# mount /mnt/raid1/ Apr 23 08:57:00 rakete kernel: BTRFS info (device sdi): enabling auto defrag Apr 23 08:57:00 rakete kernel: BTRFS info (device sdi): disk space caching is enabled Apr 23 08:57:00 rakete kernel: BTRFS: has skinny extents #### 19# ls -l /mnt/raid1/ total 0 drwxrwxr-x 1 root root 36 Nov 14 2014 AfterShot2(64-bit) drwxrwxr-x 1 root root 5082 Apr 17 09:06 etc drwxr-xr-x 1 root root 108 Mar 24 07:31 var ####