Lo luck here :( Even though I have the hv_vss_daemon that logs FREEZE/THAW I experienced crashes:
Mar 15 10:36:38 emsi-02 Hyper-V VSS: VSS: op=FREEZE: succeeded Mar 15 10:36:38 emsi-02 kernel: [320343.560935] sd 2:0:0:0: [storvsc] Sense Key : Unit Attention [current] Mar 15 10:36:38 emsi-02 kernel: [320343.560949] sd 2:0:0:0: [storvsc] Add. Sense: Changed operating definition Mar 15 10:36:38 emsi-02 kernel: [320343.560958] sd 2:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters. Mar 15 10:36:38 emsi-02 Hyper-V VSS: VSS: op=THAW: succeeded Mar 15 10:37:08 emsi-02 kernel: [320373.536208] sd 2:0:0:0: [storvsc] Sense Key : Unit Attention [current] Mar 15 10:37:08 emsi-02 kernel: [320373.536222] sd 2:0:0:0: [storvsc] Add. Sense: Changed operating definition Mar 15 10:37:08 emsi-02 kernel: [320373.536287] sd 2:0:0:0: Warning! Received an indication that the operating parameters on thi and then later on: [Wed Mar 16 10:06:45 2016] sd 2:0:0:0: [storvsc] Sense Key : Unit Attention [current] [Wed Mar 16 10:06:45 2016] sd 2:0:0:0: [storvsc] Add. Sense: Changed operating definition [Wed Mar 16 10:06:45 2016] sd 2:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters. [Wed Mar 16 10:08:12 2016] sd 2:0:0:0: [storvsc] Sense Key : Unit Attention [current] [Wed Mar 16 10:08:12 2016] sd 2:0:0:0: [storvsc] Add. Sense: Changed operating definition [Wed Mar 16 10:08:12 2016] sd 2:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters. [Wed Mar 16 10:08:12 2016] blk_update_request: I/O error, dev sda, sector 1061736 [Wed Mar 16 10:08:12 2016] Aborting journal on device sda1-8. [Wed Mar 16 10:08:12 2016] EXT4-fs error (device sda1): ext4_journal_check_start:56: [Wed Mar 16 10:08:12 2016] EXT4-fs error (device sda1): ext4_journal_check_start:56: Detected aborted journal [Wed Mar 16 10:08:12 2016] EXT4-fs (sda1): Remounting filesystem read-only [Wed Mar 16 10:08:12 2016] EXT4-fs error (device sda1): ext4_journal_check_start:56: Detected aborted journal [Wed Mar 16 10:08:12 2016] EXT4-fs error (device sda1): ext4_journal_check_start:56: Detected aborted journal [Wed Mar 16 10:08:12 2016] Detected aborted journal [Wed Mar 16 10:08:12 2016] EXT4-fs error (device sda1) in ext4_writepages:2421: IO failure -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1470250 Title: [Hyper-V] Ubuntu 14.04.2 LTS Generation 2 SCSI Errors on VSS Based Backups To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1470250/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
