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#1 2024-07-05 14:10:02

rockshiba
Member
Registered: 2024-07-05
Posts: 1

smartctl To Check Disks Behind Lenovo 9350-8i Raid Controller

Hello, I am in the process of setting up a server with a hardware  Lenovo 9350-8i Raid Controller card that is running 4 drives behind it.

I am trying to figure out a way I can monitor the drives behind the controller. The card does support S.M.A.R.T. however when I try to check the drives I get the following error

#smartctl -i -d megaraid,0 /dev/sdc
smartctl 7.4 2023-08-01 r5530 [x86_64-linux-6.9.7-arch1-1] (local build)
Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org

Smartctl open device: /dev/sdc [megaraid_disk_00] failed: cannot open /dev/megaraid_sas_ioctl_node or /dev/megadev0
# smartctl --all /dev/sdc
smartctl 7.4 2023-08-01 r5530 [x86_64-linux-6.9.7-arch1-1] (local build)
Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Vendor:               9350-8i
Product:              LOGICAL VOLUME
Revision:             5.91
Compliance:           SPC-3
User Capacity:        48,000,487,391,232 bytes [48.0 TB]
Logical block size:   512 bytes
Physical block size:  4096 bytes
Logical Unit id:      0x600508b1001c335b2d18400ca3bc874f
Serial number:        L5HF42G02MZ
Device type:          disk
Local Time is:        Fri Jul  5 09:11:36 2024 EDT
SMART support is:     Available - device has SMART capability.
SMART support is:     Enabled
Temperature Warning:  Disabled or Not Supported

=== START OF READ SMART DATA SECTION ===
SMART Health Status: OK
Current Drive Temperature:     0 C
Drive Trip Temperature:        0 C

Error Counter logging not supported

Device does not support Self Test logging

Thank you in advance

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#2 2024-07-09 10:05:39

cryptearth
Member
Registered: 2024-02-03
Posts: 401

Re: smartctl To Check Disks Behind Lenovo 9350-8i Raid Controller

The problem with "hardware" raid is that they present the array as a logical volume and hide the physical devices.
A possible option could be to check if this card can be flashed to non-raid (often called IT-mode) and use simple software raid like zfs.

btw: There's no such thing as actual physical hardware raid - it's all specialized firmware running on an asic - so in the end it's all software raid. The only difference is if the code runs on the systems main cpu or on its own chip.
also: The 9350-8i is actual from LSI. Sounds like yours is a dell rebrand. This could lead to an issue if the card fails you may cannot replace it with any other lsi 9350 but require a special dell branded one - depends on if they use custom on-disk format. Another reason for not using "hardware" raid.

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