From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net ([212.227.15.18]:53596 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751172AbcDUL6s (ORCPT ); Thu, 21 Apr 2016 07:58:48 -0400 Subject: Re: Question: raid1 behaviour on failure To: Satoru Takeuchi , Matthias Bodenbinder , linux-btrfs@vger.kernel.org References: <57148B2E.6010904@cn.fujitsu.com> <571871FC.2010101@jp.fujitsu.com> <57188534.1070408@jp.fujitsu.com> From: Qu Wenruo Message-ID: <5718C068.8080508@gmx.com> Date: Thu, 21 Apr 2016 19:58:32 +0800 MIME-Version: 1.0 In-Reply-To: <57188534.1070408@jp.fujitsu.com> Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 04/21/2016 03:45 PM, Satoru Takeuchi wrote: > On 2016/04/21 15:23, Satoru Takeuchi wrote: >> On 2016/04/20 14:17, Matthias Bodenbinder wrote: >>> Am 18.04.2016 um 09:22 schrieb Qu Wenruo: >>>> BTW, it would be better to post the dmesg for better debug. >>> >>> So here we. I did the same test again. Here is a full log of what i >>> did. It seems to be mean like a bug in btrfs. >>> Sequenz of events: >>> 1. mount the raid1 (2 disc with different size) >>> 2. unplug the biggest drive (hotplug) >>> 3. try to copy something to the degraded raid1 >>> 4. plugin the device again (hotplug) >>> >>> This scenario does not work. The disc array is NOT redundant! I can >>> not work with it while a drive is missing and I can not reattach the >>> device so that everything works again. >>> >>> The btrfs module crashes during the test. >>> >>> I am using LMDE2 with backports: >>> btrfs-tools 4.4-1~bpo8+1 >>> linux-image-4.4.0-0.bpo.1-amd64 >>> >>> Matthias >>> >>> >>> rakete - root - /root >>> 1# mount /mnt/raid1/ >>> >>> Journal: >>> >>> Apr 20 07:01:16 rakete kernel: BTRFS info (device sdi): enabling auto >>> defrag >>> Apr 20 07:01:16 rakete kernel: BTRFS info (device sdi): disk space >>> caching is enabled >>> Apr 20 07:01:16 rakete kernel: BTRFS: has skinny extents >>> >>> rakete - root - /mnt/raid1 >>> 3# ll >>> insgesamt 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 Mär 24 07:31 var >>> >>> 4# 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 >>> >>> #### >>> unplug device sdg: >>> >>> Apr 20 07:03:05 rakete kernel: Buffer I/O error on dev sdf1, logical >>> block 243826688, lost sync page write >>> Apr 20 07:03:05 rakete kernel: JBD2: Error -5 detected when updating >>> journal superblock for sdf1-8. >>> Apr 20 07:03:05 rakete kernel: Aborting journal on device sdf1-8. >>> Apr 20 07:03:05 rakete kernel: Buffer I/O error on dev sdf1, logical >>> block 243826688, lost sync page write >>> Apr 20 07:03:05 rakete kernel: JBD2: Error -5 detected when updating >>> journal superblock for sdf1-8. >>> Apr 20 07:03:05 rakete umount[16405]: umount: /mnt/raid1: target is busy >>> Apr 20 07:03:05 rakete umount[16405]: (In some cases useful info >>> about processes that >>> Apr 20 07:03:05 rakete umount[16405]: use the device is found by >>> lsof(8) or fuser(1).) >>> Apr 20 07:03:05 rakete systemd[1]: mnt-raid1.mount mount process >>> exited, code=exited status=32 >>> Apr 20 07:03:05 rakete systemd[1]: Failed unmounting /mnt/raid1. >>> Apr 20 07:03:24 rakete kernel: usb 3-1: new SuperSpeed USB device >>> number 3 using xhci_hcd >>> Apr 20 07:03:24 rakete kernel: usb 3-1: New USB device found, >>> idVendor=152d, idProduct=0567 >>> Apr 20 07:03:24 rakete kernel: usb 3-1: New USB device strings: >>> Mfr=10, Product=11, SerialNumber=5 >>> Apr 20 07:03:24 rakete kernel: usb 3-1: Product: USB to ATA/ATAPI Bridge >>> Apr 20 07:03:24 rakete kernel: usb 3-1: Manufacturer: JMicron >>> Apr 20 07:03:24 rakete kernel: usb 3-1: SerialNumber: 152D00539000 >>> Apr 20 07:03:24 rakete kernel: usb-storage 3-1:1.0: USB Mass Storage >>> device detected >>> Apr 20 07:03:24 rakete kernel: usb-storage 3-1:1.0: Quirks match for >>> vid 152d pid 0567: 5000000 >>> Apr 20 07:03:24 rakete kernel: scsi host9: usb-storage 3-1:1.0 >>> Apr 20 07:03:24 rakete mtp-probe[16424]: checking bus 3, device 3: >>> "/sys/devices/pci0000:00/0000:00:1c.5/0000:04:00.0/usb3/3-1" >>> Apr 20 07:03:24 rakete mtp-probe[16424]: bus: 3, device: 3 was not an >>> MTP device >>> Apr 20 07:03:25 rakete kernel: scsi 9:0:0:0: Direct-Access WDC >>> WD20 02FAEX-007BA0 0125 PQ: 0 ANSI: 6 >>> Apr 20 07:03:25 rakete kernel: scsi 9:0:0:1: Direct-Access WDC >>> WD50 01AALS-00L3B2 0125 PQ: 0 ANSI: 6 >>> Apr 20 07:03:25 rakete kernel: scsi 9:0:0:2: Direct-Access >>> SAMSUNG SP2504C 0125 PQ: 0 ANSI: 6 >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:0: Attached scsi generic sg6 >>> type 0 >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:1: Attached scsi generic sg7 >>> type 0 >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:0: [sdf] 3907029168 512-byte >>> logical blocks: (2.00 TB/1.82 TiB) >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:0: [sdf] Write Protect is off >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:0: [sdf] Mode Sense: 67 00 10 08 >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:2: Attached scsi generic sg8 >>> type 0 >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:1: [sdj] 976773168 512-byte >>> logical blocks: (500 GB/466 GiB) >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:0: [sdf] No Caching mode page >>> found >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:0: [sdf] Assuming drive >>> cache: write through >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:1: [sdj] Write Protect is off >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:1: [sdj] Mode Sense: 67 00 10 08 >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:2: [sdk] 488395055 512-byte >>> logical blocks: (250 GB/233 GiB) >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:1: [sdj] No Caching mode page >>> found >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:1: [sdj] Assuming drive >>> cache: write through >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:2: [sdk] Write Protect is off >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:2: [sdk] Mode Sense: 67 00 10 08 >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:2: [sdk] No Caching mode page >>> found >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:2: [sdk] Assuming drive >>> cache: write through >>> Apr 20 07:03:25 rakete kernel: sdf: sdf1 >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:0: [sdf] Attached SCSI disk >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:1: [sdj] Attached SCSI disk >>> Apr 20 07:03:25 rakete kernel: sd 9:0:0:2: [sdk] Attached SCSI disk >>> Apr 20 07:03:25 rakete kernel: EXT4-fs (sdf1): recovery complete >>> Apr 20 07:03:25 rakete kernel: EXT4-fs (sdf1): mounted filesystem >>> with ordered data mode. Opts: (null) >>> Apr 20 07:03:25 rakete udisksd[3671]: Error statting /dev/sdg: No >>> such file or directory >>> >>> >>> #### >>> 5# btrfs fi show >>> 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/sdj >>> devid 3 size 232.88GiB used 0.00B path /dev/sdk >>> *** Some devices missing >>> #### >> >> Here the names of *online* devices are changed >> (/dev/sdh => /dev/sdj, /dev/sdi => /dev/sdk) after just >> offlining a device (/dev/sdf). It's odd regardless of >> whether Btrfs works fine or not. >> >> Can anyone explain this behavior? > > FYI, > > I tried to reproduce this problem on VM. > Here USB storages are /dev/sd{a,b,c}. > > Step to reproduce: > > 1. create a fs on /dev/sd{a,b,c} > 2. mount this fs > 3. Surprise unplug /dev/sdc > 4. Write to this fs till ENOSPC happens > > Then, although there are I/O errors about /dev/sdc, > device names didn't change and ro remount didn't happen. > > command log: > ================================= > # mkfs.btrfs -f -m raid1 -d raid1 /dev/sd{a,b,c} > btrfs-progs v4.5.1-41-g8202204-dirty > See http://btrfs.wiki.kernel.org for more information. > > Label: (null) > UUID: 16a54915-c807-42cf-8365-82c0780c5ab5 > Node size: 16384 > Sector size: 4096 > Filesystem size: 15.00GiB > Block group profiles: > Data: RAID1 1.01GiB > Metadata: RAID1 1.01GiB > System: RAID1 12.00MiB > SSD detected: no > Incompat features: extref, skinny-metadata > Number of devices: 3 > Devices: > ID SIZE PATH > 1 5.00GiB /dev/sda > 2 5.00GiB /dev/sdb > 3 5.00GiB /dev/sdc > > # mount /dev/sda /scratch_mnt/ > # btrfs fi show /scratch_mnt/ > Label: none uuid: 16a54915-c807-42cf-8365-82c0780c5ab5 > Total devices 3 FS bytes used 640.00KiB > devid 1 size 5.00GiB used 2.00GiB path /dev/sda > devid 2 size 5.00GiB used 1.01GiB path /dev/sdb > devid 3 size 5.00GiB used 1.01GiB path /dev/sdc > > # > # # *** surprise unplug happens here *** > # > # btrfs fi show /scratch_mnt/ Would you please post the output of "btrfs-debug-tree -t 3"? I guess the case would be that, there is not raid1 stripe in device 3, so all data/metadata allocation/cow happens without problem. "btrfs-debug-tree -t 3" output would verify my guess. Thanks, Qu > Label: none uuid: 16a54915-c807-42cf-8365-82c0780c5ab5 > Total devices 3 FS bytes used 1.81GiB > devid 1 size 5.00GiB used 2.00GiB path /dev/sda > devid 2 size 5.00GiB used 2.01GiB path /dev/sdb > *** Some devices missing > > # cp -a linux /scratch_mnt/ > # cp -a linux /scratch_mnt/linux.2 > # cp -a linux /scratch_mnt/linux.3 > cp: error writing ‘/scratch_mnt/linux.3/drivers/scsi/lpfc/lpfc_els.c’: > No space left on device > ... > # mount | grep scratch > /dev/sda on /scratch_mnt type btrfs > (rw,relatime,seclabel,space_cache,subvolid=5,subvol=/) > # dmesg | tail > [ 1400.778705] BTRFS warning (device sdc): lost page write due to IO > error on /dev/sdc > [ 1438.604796] btrfs_dev_stat_print_on_error: 174 callbacks suppressed > [ 1438.604803] BTRFS error (device sdc): bdev /dev/sdc errs: wr 125633, > rd 1, flush 276, corrupt 0, gen 0 > [ 1438.609782] BTRFS error (device sdc): bdev /dev/sdc errs: wr 125634, > rd 1, flush 276, corrupt 0, gen 0 > [ 1438.613331] BTRFS error (device sdc): bdev /dev/sdc errs: wr 125634, > rd 1, flush 277, corrupt 0, gen 0 > [ 1438.669090] btrfs_end_buffer_write_sync: 52 callbacks suppressed > [ 1438.669095] BTRFS warning (device sdc): lost page write due to IO > error on /dev/sdc > [ 1438.669098] BTRFS error (device sdc): bdev /dev/sdc errs: wr 125635, > rd 1, flush 277, corrupt 0, gen 0 > [ 1438.672621] BTRFS warning (device sdc): lost page write due to IO > error on /dev/sdc > [ 1438.672626] BTRFS error (device sdc): bdev /dev/sdc errs: wr 125636, > rd 1, flush 277, corrupt 0, gen 0 > ================================= > > Thanks, > Satoru > >> >> Thanks, >> Satoru >> >>> still mounted in rw mode: >>> /dev/sdg on /mnt/raid1 type btrfs >>> (rw,noatime,space_cache,autodefrag,subvolid=5,subvol=/) >>> #### >>> 7# cp -r /root/ . >>> cp: das Verzeichnis „./root“ kann nicht angelegt werden: >>> Eingabe-/Ausgabefehler >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 1, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 2, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 3, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 4, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 5, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 6, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 7, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 8, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 9, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): bdev >>> /dev/sdg errs: wr 0, rd 10, flush 0, corrupt 0, gen 0 >>> Apr 20 07:05:37 rakete kernel: BTRFS error (device sdi): error >>> reading free space cache >>> Apr 20 07:05:37 rakete kernel: BTRFS warning (device sdi): failed to >>> load free space cache for block group 20497563648, rebuilding it now >>> Apr 20 07:05:37 rakete kernel: ------------[ cut here ]------------ >>> Apr 20 07:05:37 rakete kernel: WARNING: CPU: 7 PID: 16738 at >>> /build/linux-H3jpF0/linux-4.4.6/fs/btrfs/ctree.c:1156 >>> __btrfs_cow_block+0x56f/0x5e0 [btrfs]() >>> Apr 20 07:05:37 rakete kernel: BTRFS: Transaction aborted (error -5) >>> Apr 20 07:05:37 rakete kernel: Modules linked in: uas usb_storage >>> pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc dvb_ttpci >>> saa7146_vv ttpci_eeprom saa7146 videobuf_dma_sg videobuf_core >>> dvb_core v4l2_common videodev media cfg80211 vboxdrv(O) >>> cpufreq_powersave cpufreq_conservative cpufreq_userspace >>> cpufreq_stats snd_hda_codec_hdmi intel_rapl iosf_mbi >>> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm >>> irqbypass crct10dif_pclmul crc32_pclmul eeepc_wmi asus_wmi joydev >>> sparse_keymap drbg iTCO_wdt iTCO_vendor_support snd_hda_codec_realtek >>> rfkill ansi_cprng snd_hda_codec_generic nvidia(PO) aesni_intel >>> aes_x86_64 lrw gf128mul snd_hda_intel glue_helper ablk_helper >>> snd_hda_codec cryptd snd_hda_core serio_raw pcspkr snd_hwdep snd_pcm >>> i2c_i801 snd_timer snd lpc_ich soundcore 8250_fintek mei_me shpchp mei >>> Apr 20 07:05:37 rakete kernel: mfd_core battery tpm_tis tpm evdev >>> processor drm fuse ecryptfs cbc sha256_ssse3 sha256_generic hmac >>> encrypted_keys parport_pc ppdev lp parport autofs4 ext4 crc16 mbcache >>> jbd2 btrfs raid456 async_raid6_recov async_memcpy async_pq async_xor >>> async_tx xor hid_generic usbhid hid raid6_pq libcrc32c crc32c_generic >>> md_mod dm_mirror dm_region_hash dm_log dm_mod sr_mod sg cdrom sd_mod >>> ata_generic ahci libahci pata_via xhci_pci ehci_pci crc32c_intel >>> xhci_hcd ehci_hcd libata psmouse scsi_mod atl1c usbcore usb_common >>> fjes video wmi fan thermal button >>> Apr 20 07:05:37 rakete kernel: CPU: 7 PID: 16738 Comm: cp Tainted: >>> P O 4.4.0-0.bpo.1-amd64 #1 Debian 4.4.6-1~bpo8+1 >>> Apr 20 07:05:37 rakete kernel: Hardware name: System manufacturer >>> System Product Name/P8H67-V, BIOS 3707 07/12/2013 >>> Apr 20 07:05:37 rakete kernel: 0000000000000286 000000006a1407c8 >>> ffffffff812ed425 ffff88016b6dfb90 >>> Apr 20 07:05:37 rakete kernel: ffffffffa03817b8 ffffffff81077ea1 >>> ffff88018e7fcd30 ffff88016b6dfbe8 >>> Apr 20 07:05:37 rakete kernel: ffff88005d863e88 ffff8801cde7a980 >>> ffff88018e7fce48 ffffffff81077f2c >>> Apr 20 07:05:37 rakete kernel: Call Trace: >>> Apr 20 07:05:37 rakete kernel: [] ? >>> dump_stack+0x5c/0x77 >>> Apr 20 07:05:37 rakete kernel: [] ? >>> warn_slowpath_common+0x81/0xb0 >>> Apr 20 07:05:37 rakete kernel: [] ? >>> warn_slowpath_fmt+0x5c/0x80 >>> Apr 20 07:05:37 rakete kernel: [] ? >>> __btrfs_cow_block+0x56f/0x5e0 [btrfs] >>> Apr 20 07:05:37 rakete kernel: [] ? >>> btrfs_cow_block+0x10f/0x1d0 [btrfs] >>> Apr 20 07:05:37 rakete kernel: [] ? >>> btrfs_search_slot+0x1fd/0xa30 [btrfs] >>> Apr 20 07:05:37 rakete kernel: [] ? >>> btrfs_insert_empty_items+0x71/0xc0 [btrfs] >>> Apr 20 07:05:37 rakete kernel: [] ? >>> insert_inode_locked4+0xa2/0x1c0 >>> Apr 20 07:05:37 rakete kernel: [] ? >>> btrfs_new_inode+0x1cd/0x590 [btrfs] >>> Apr 20 07:05:37 rakete kernel: [] ? >>> btrfs_mkdir+0x107/0x1f0 [btrfs] >>> Apr 20 07:05:37 rakete kernel: [] ? >>> vfs_mkdir+0xb0/0x140 >>> Apr 20 07:05:37 rakete kernel: [] ? >>> SyS_mkdir+0xce/0x110 >>> Apr 20 07:05:37 rakete kernel: [] ? >>> system_call_fast_compare_end+0xc/0x6b >>> Apr 20 07:05:37 rakete kernel: ---[ end trace 025eb0e83ffed96f ]--- >>> Apr 20 07:05:37 rakete kernel: BTRFS: error (device sdi) in >>> __btrfs_cow_block:1156: errno=-5 IO failure >>> Apr 20 07:05:37 rakete kernel: BTRFS info (device sdi): forced readonly >>> >>> #### >>> Try to copy again: >>> 11# cp -r /root/ . >>> cp: cannot create directory './root': Read-only file system >>> #### >>> /dev/sdg on /mnt/raid1 type btrfs >>> (ro,noatime,space_cache,autodefrag,subvolid=5,subvol=/) >>> #### >>> plugin device sdg again: >>> >>> Apr 20 07:07:39 rakete udisksd[3671]: Cleaning up mount point >>> /media/matthias/BACKUP (device 8:81 no longer exist) >>> Apr 20 07:07:39 rakete kernel: usb 3-1: USB disconnect, device number 3 >>> Apr 20 07:07:39 rakete udisksd[3671]: Error statting /dev/sdg: No >>> such file or directory >>> Apr 20 07:07:39 rakete umount[16807]: umount: /mnt/raid1: target is busy >>> Apr 20 07:07:39 rakete umount[16807]: (In some cases useful info >>> about processes that >>> Apr 20 07:07:39 rakete umount[16807]: use the device is found by >>> lsof(8) or fuser(1).) >>> Apr 20 07:07:39 rakete systemd[1]: mnt-raid1.mount mount process >>> exited, code=exited status=32 >>> Apr 20 07:07:39 rakete systemd[1]: Failed unmounting /mnt/raid1. >>> Apr 20 07:08:01 rakete kernel: usb 3-1: new SuperSpeed USB device >>> number 4 using xhci_hcd >>> Apr 20 07:08:01 rakete kernel: usb 3-1: New USB device found, >>> idVendor=152d, idProduct=0567 >>> Apr 20 07:08:01 rakete kernel: usb 3-1: New USB device strings: >>> Mfr=10, Product=11, SerialNumber=5 >>> Apr 20 07:08:01 rakete kernel: usb 3-1: Product: USB to ATA/ATAPI Bridge >>> Apr 20 07:08:01 rakete kernel: usb 3-1: Manufacturer: JMicron >>> Apr 20 07:08:01 rakete kernel: usb 3-1: SerialNumber: 152D00539000 >>> Apr 20 07:08:01 rakete kernel: usb-storage 3-1:1.0: USB Mass Storage >>> device detected >>> Apr 20 07:08:01 rakete kernel: usb-storage 3-1:1.0: Quirks match for >>> vid 152d pid 0567: 5000000 >>> Apr 20 07:08:01 rakete kernel: scsi host10: usb-storage 3-1:1.0 >>> Apr 20 07:08:01 rakete mtp-probe[16826]: checking bus 3, device 4: >>> "/sys/devices/pci0000:00/0000:00:1c.5/0000:04:00.0/usb3/3-1" >>> Apr 20 07:08:01 rakete mtp-probe[16826]: bus: 3, device: 4 was not an >>> MTP device >>> Apr 20 07:08:02 rakete kernel: scsi 10:0:0:0: Direct-Access WDC >>> WD20 02FAEX-007BA0 0125 PQ: 0 ANSI: 6 >>> Apr 20 07:08:02 rakete kernel: scsi 10:0:0:1: Direct-Access WDC >>> WD75 00AACS-00C7B0 0125 PQ: 0 ANSI: 6 >>> Apr 20 07:08:02 rakete kernel: scsi 10:0:0:2: Direct-Access WDC >>> WD50 01AALS-00L3B2 0125 PQ: 0 ANSI: 6 >>> Apr 20 07:08:02 rakete kernel: scsi 10:0:0:3: Direct-Access >>> SAMSUNG SP2504C 0125 PQ: 0 ANSI: 6 >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:0: Attached scsi generic sg6 >>> type 0 >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:0: [sdf] 3907029168 512-byte >>> logical blocks: (2.00 TB/1.82 TiB) >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:0: [sdf] Write Protect is off >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:0: [sdf] Mode Sense: 67 00 >>> 10 08 >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:1: Attached scsi generic sg7 >>> type 0 >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:0: [sdf] No Caching mode >>> page found >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:0: [sdf] Assuming drive >>> cache: write through >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:1: [sdj] 1465149168 512-byte >>> logical blocks: (750 GB/699 GiB) >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:2: Attached scsi generic sg8 >>> type 0 >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:1: [sdj] Write Protect is off >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:1: [sdj] Mode Sense: 67 00 >>> 10 08 >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:3: Attached scsi generic sg9 >>> type 0 >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:2: [sdk] 976773168 512-byte >>> logical blocks: (500 GB/466 GiB) >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:1: [sdj] No Caching mode >>> page found >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:1: [sdj] Assuming drive >>> cache: write through >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:2: [sdk] Write Protect is off >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:2: [sdk] Mode Sense: 67 00 >>> 10 08 >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:3: [sdl] 488395055 512-byte >>> logical blocks: (250 GB/233 GiB) >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:2: [sdk] No Caching mode >>> page found >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:2: [sdk] Assuming drive >>> cache: write through >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:3: [sdl] Write Protect is off >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:3: [sdl] Mode Sense: 67 00 >>> 10 08 >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:3: [sdl] No Caching mode >>> page found >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:3: [sdl] Assuming drive >>> cache: write through >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:0: [sdf] Attached SCSI disk >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:1: [sdj] Attached SCSI disk >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:2: [sdk] Attached SCSI disk >>> Apr 20 07:08:02 rakete kernel: sd 10:0:0:3: [sdl] Attached SCSI disk >>> Apr 20 07:08:02 rakete kernel: EXT4-fs (sdf1): recovery complete >>> Apr 20 07:08:02 rakete kernel: EXT4-fs (sdf1): mounted filesystem >>> with ordered data mode. Opts: (null) >>> >>> #### >>> still ro mode >>> /dev/sdj on /mnt/raid1 type btrfs >>> (ro,noatime,space_cache,autodefrag,subvolid=5,subvol=/) >>> #### >>> 14# 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/sdj >>> devid 2 size 465.76GiB used 3.03GiB path /dev/sdk >>> devid 3 size 232.88GiB used 0.00B path /dev/sdl >>> #### >>> >>> >>> >>> >>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe >>> linux-btrfs" in >>> the body of a message to majordomo@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html