Article ID: 120098, created on Feb 12, 2014, last review on May 10, 2014

  • Applies to:
  • Virtuozzo
  • Virtuozzo hypervisor

Symptoms

A virtual machine does not start with the following error:

[root@pcs ~]# prlctl start testvm
Failed to start the VM: Operation failed. An error occurred while reading the disk.

dmesg contains I/O errors:

[root@pcs ~]# dmesg | tail
[15606467.312511] 3w-9xxx: scsi0: ERROR: (0x03:0x0202): Drive ECC error:port=0.
[15606467.312529] sd 0:0:0:0: [sda] Unhandled sense code
[15606467.312532] sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[15606467.312537] sd 0:0:0:0: [sda] Sense Key : Medium Error [current]
[15606467.312543] sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error
[15606467.312549] sd 0:0:0:0: [sda] CDB: Read(10): 28 00 34 a1 5e 30 00 00 08 00
[15606467.312559] end_request: I/O error, dev sda, sector 882990640

Cause

Hardware issues with the hard disk, where the VM resides.

Resolution

Run a disk check on the faulty drive and contact the hardware vendor, if the problem persists.

Search Words

Failed to start the VM: Operation failed. An error occurred while reading the disk.

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