Separate HDD test using RAID controller Post: 302945612

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Operating Systems Linux Red Hat Separate HDD test using RAID controller Post 302945612 by Dbugy on Monday 1st of June 2015 03:31:46 AM

06-01-2015

Registered User

First of thanks for the fast replies!
I should probably clarify what I am doing an how I know I have a problem:
I take different machines with the same configuration, same type RAID card connecting 8 HDDs of the same type. The machines are supposedly identical. I run a "dd" command and I have a standard benchmark that I know I am supposed to hit. If any particular is slower then the benchmark I need to find the problem, and my first thought is that one of the HDDs has a problem (i.e. bad sectors). The problem is that currently I have no way to test each HDD individually (what I end up doing right now is taking out each HDD by its own, connecting it to another PC with Ubuntu and running "SMART Disk Test" on it), then connecting them all back to the machine with RAID and logically reconstruct the RAID again).
I was wondering if there was a way within Red Hat to do something similar to the Ubuntu "SMART Disk Check" that preferably can also do it without disassembling the RAID logically.

I am using RAID 6 on 8 HDDs.
When using "lspci -v" command I get for my RAID controller card:

Code:

RAID bus controller: Adaptec AAC-RAID (rev 09)
Subsystem: Adaptec Unknown device 02b6
Flags: bus master, fast devsel, latency 0, IRQ 23
Memory at f7800000 (64-bit, non-prefetchable) [size=2M]
Expansion ROM at f7780000 [disabled] [size=512K]
Capabilities: [98] Power Management version 2
Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable-
Capabilities: [d0] Express Endpoint, MSI 00
Capabilities: [90] Vital Product Data <?>
Capabilities: [100] Advanced Error Reporting <?>
Kernel driver in use: aacraid
Kernel modules: aacraid

anchele I am not sure what you mean by how the RAID is configured, if there is anything else you need me to tell you I would be glad to, but as I am new to this I might need some explanations on how to acquire the information.

Last edited by Corona688; 06-01-2015 at 01:10 PM..

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LEARN ABOUT NETBSD

mfi

MFI(4)							   BSD Kernel Interfaces Manual 						    MFI(4)

NAME

     mfi -- LSI Logic & Dell MegaRAID SAS RAID controller

SYNOPSIS

     mfi* at pci? dev ? function ?

DESCRIPTION

     The mfi driver provides support for the MegaRAID SAS family of RAID controllers, including:

	   -   Dell PERC 5/e, PERC 5/i, PERC 6/e, PERC 6/i
	   -   Intel RAID Controller SRCSAS18E, SRCSAS144E
	   -   LSI Logic MegaRAID SAS 8208ELP, MegaRAID SAS 8208XLP, MegaRAID SAS 8300XLP, MegaRAID SAS 8308ELP, MegaRAID SAS 8344ELP, MegaRAID
	       SAS 8408E, MegaRAID SAS 8480E, MegaRAID SAS 8708ELP, MegaRAID SAS 8888ELP, MegaRAID SAS 8880EM2, MegaRAID SAS 9260-8i
	   -   IBM ServeRAID M1015, ServeRAID M5014

     These controllers support RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50 and RAID 60 using either SAS or SATA II drives.

     Although the controllers are actual RAID controllers, the driver makes them look just like SCSI controllers.  All RAID configuration is done
     through the controllers' BIOSes.

     mfi supports monitoring of the logical disks in the controller through the bioctl(8) and envstat(8) commands.

EVENTS

     The mfi driver is able to send events to powerd(8) if a logical drive in the controller is not online.  The state-changed event will be sent
     to the /etc/powerd/scripts/sensor_drive script when such condition happens.

SEE ALSO

     intro(4), pci(4), scsi(4), sd(4), bioctl(8), envstat(8), powerd(8)

HISTORY

     The mfi driver first appeared in NetBSD 4.0.

BSD
								  March 22, 2012							       BSD