Basically WRITE SAME writes the same block of data (in this case It's just a performance thing and only specific workloads regularly zero large amounts of data. Further, the "WRITE SAME failed. way. bugs.launchpad.net/ubuntu/+source/linux/+bug/1371591 elaborates a bit more on the VMware case. 2014?10?22? ????: dm-0: WRITE SAME failed. Manually zeroing ??:??,???raid????WRITE SAME??????:??WRITE SAME 1? I found a lot of documentation but none solved . I am using ubuntu server 14.04 errror: [ 18.245041] sda2: WRITE SAME failed. Manually zeroing. From here: ewen.mcneill.gen.nz/blog/entry/2014-07-17-mininet-on-ubuntu-14.04-in-kvm/. "WRITE SAME failed. Manually zeroing". Yes I tried 14.04 initially but it didn't work.It displays message "Write same failed. Manually Zeroing", but still I am able to login to ubuntu 22 Jan 2014 dm-0: WRITE SAME failed. Manually zeroing. ProcVersionSignature: Ubuntu 3.8.0-31.46~precise1-generic 3.8.13.8 . I have been getting this error on my console on multiple vms running 14.04.1 on ESXi 4.1U1 and also 30 Apr 2019 Mar 19 07:53:55 serverX kernel: dm-4: WRITE SAME failed. Manually zeroing is causing the system to take a long time to reboot (slow Ubuntu 14.04 в VirtualBox. andray_logvinov. 2, 1,619, 19.01.2015 28 CENTOS 7 и sda3: WRITE SAME failed. Manually zeroing. на виртуализации. ufomen.Я никак не могу установить Ubuntu 14.04 на VMware Work Station 10, постоянно в конце . WRITE SAME failed. Manually zeroing. It's likely related to the mass storage being VMware in both cases. Basically, it's saying that it tried to execute a SCSI command called WRITE