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Ticket Resolution Summary Owner Reporter
#800 wontfix "can't get bus number" issue with MegaRAID on ESXi Simone Giordano

There is an issue using smartctl on ESXi to monitor disks behind the RAID. Example:

smartctl -a /dev/disks/naa.6c81f660d2aeab001fd4153f9ba416c5 -d sat+megaraid,12

Smartctl open device: /dev/disks/naa.6c81f660d2aeab001fd4153f9ba416c5 [megaraid_disk_12] [SAT] failed: can't get bus number

I've compiled a static version of smartctl from updated sources (6.6 r4384) and the issue still exists. Because ESXi is different than a normal Linux distribution, I've tried to patch os_linux.cpp forcing linux_megaraid_device::open to use the right device:

  if ((m_fd = ::open("/dev/megaraid_sas_ioctl", O_RDWR)) >= 0) {
    m_hba = 1;  // ?
    pt_cmd = &linux_megaraid_device::megasas_cmd;
    return true; 

After this patch, the device is opened but I get "INQUIRY FAILED"

On ESXi the MegaCli utility works right, so I think there are no issues with driver or ioctl support.

I can do any test that you want or apply a particular patch.

It's important for monitor disks behind RAID because the SMART indicators reported by controller are very poor.

Thank you. Simone

#803 fixed Intel SSDSC2KW120H6X1 Shad0

Please add a ssd drive Intel SSDSC2KW120H6X1. A link to the description of the manufacturer's website:

#806 fixed Samsung Evo 850 / Seagate-Firecuda-ST2000DC002 hreindl

i have two of this drives which both are not in the samrtdb - not sure about the Barracuda SSHD but the Samsung Evo are on market for a long time

Device Model: Samsung SSD 850 EVO 2TB Firmware Version: EMT02B6Q

Device Model: ST2000DX002-2DV164 Firmware Version: CC41

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