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Old 05-04-2016, 04:05 AM   #1
LQ Newbie
Registered: Apr 2016
Posts: 6

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Assuming drive cache: write through error

I have a Linux redhat7 VM, when I stopped this VM and copied the directory of this VM to have a second VM, and started it, it gives me at first the error:
piix4_smbus 000:00:07.3: host SMBus controller not enabled!

I used a live linux cd to change the file /etc/modprobe.d/blacklist.conf by adding blacklist i2c_piix4 to this file

After that I restart my VM, and the error disappear but the VM don't start, it stuck in the step which stopped it from booting

sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sdb] Assuming drive cache: write through
sd 0:0:0:0: [sdc] Assuming drive cache: write through
sd 0:0:0:0: [sdd] Assuming drive cache: write through

This VM was created by VMware vCenter Converter Standalone Client at first to convert my physical machine to VM and everything was good until stopping and restarting the VM

Can you please help

Last edited by taoufik109; 05-04-2016 at 04:15 AM.
Old 06-03-2016, 08:43 PM   #2
Registered: May 2016
Location: Aachen
Distribution: Debian, CentOS, Ubuntu, Raspian, tinycore
Posts: 59

Rep: Reputation: Disabled
did your physical machine have 4 harddrives? Otherwise, where do these drives come from?
Maybe you had a mdadm (software) raid in the physical machine?

From my experience the vmware converter isn't the brightest of the bunch - it mainly does a tar.gz of the files and copies that over to a newly created VM. At least that's what I saw.

*If* there was a RAID (software or hardware) involved in the physical machine you know where the stopping comes from. The lines "write through" are the last things that work - I'd wager.



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