hv_storvsc vmbus_0_1: cmd 0x2a scsi status 0x2 srb status 0x82 Whereas Debian Jessie shows the dreaded messages and sometimes timeouts during nightly backups and remounts R/O.
(Bonus question: Is this something to worry about?) sd 2:0:0:0: Sense Key : Illegal Request We also have some CentOS based guests running without issues from what we've seen.Īt least our Ubuntu instances only show the following: We can stop the backup process and all is good, but we need nightly backups to image all of our VM's. We see the same errors on both.Īs a result, we've been hesitant to drop any more ubuntu guests on our 2012R2 hyper-v system because of this. We're currently running kernel version 3.13.0-49-generic #83 on one system and 3.16.0-34-generic #37 on the other. Yes, we do have hv_vss_daemon and hv_kvp_daemon running for the correct kernel version we have. This relates to the VSS "Windows Server Backup" process that kicks off at midnight on the host and finishes an hour and half later. The Linux SCSI layer does not automatically adjust these parameters. Sense: Changed operating definitionĪpr 30 01:23:26 balticnetworkstraining kernel: sd 0:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters.Īpr 30 01:23:26 balticnetworkstraining kernel: hv_storvsc vmbus_0_4: cmd 0x2a scsi status 0x2 srb status 0x82Īpr 30 01:23:26 balticnetworkstraining kernel: hv_storvsc vmbus_0_4: stor pkt ffff88006eb6c700 autosense data valid - len 18Īpr 30 01:23:26 balticnetworkstraining kernel: storvsc: Sense Key : Unit Attention Īpr 30 01:23:26 balticnetworkstraining kernel: storvsc: Add.
Sense: Changed operating definitionĪpr 30 00:02:01 balticnetworkstraining kernel: sd 0:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. Must reboot the Ubuntu guest to get the file system to mount RW again.Īpr 30 00:02:01 balticnetworkstraining kernel: storvsc: Sense Key : Unit Attention Īpr 30 00:02:01 balticnetworkstraining kernel: storvsc: Add. On a random Basis, the file system will be mounted Read-Only due to a "disk error" (which really isn't the case here). We're running various version of Ubuntu 14.04.2 LTS on Generation 2 Hyper-V Hosts.
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