[CentOS] LSI MegaRAID system status

Eugene Vilensky

evilensky at gmail.com
Thu Jul 30 03:52:19 UTC 2009


http://www.monitoringexchange.org/cgi-bin/page.cgi?g=2416.html;d=1

google has more.

On Wednesday, July 29, 2009, Raymond Lillard <rlillard at sonic.net> wrote:
>
> Dear list,
>
> I have inherited a CentOS-5 box with a LSI Sata Raid controller.
> It is configured as a RAID5 w/hot-standby.  My concern is that
> I have no present means of determining the RAID status w/o
> downing the system and going into the bios to get status.  If
> a disk has failed and brought the standby disk online, I would
> like to know about it, the day it happens by seeing it in syslog
> or getting an e-mail message.
>
> The only solution I have found is on the LSI web-site.  It is
> tool called "MegaMon for Linux".  It most recent release was
> in 2005 and it requires that I use their driver.  Just the
> package title gives me chills.  It runs as a daemon and is
> almost constantly polling the h/w .
>
> I would much prefer a simple command line tool that I can
> wrap a script around and run it under cron.
>
> My questions are:
>
> 1.  Does anyone know of a command line tool ?
>
> 2.  Failing a positive response to #1, has anyone any experience
>     with "MegaMon for Linux", good or otherwise ?
>
> Thanks to all,
> Ray
>
>
> The h/w is a dual Opteron dual-core system with lots of memory.
> The relevant dmesg lines and lspci output are shown below:
>
> dmesg:
>
>  megaraid cmm: 2.20.2.7 (Release Date: Sun Jul 16 00:01:03 EST 2006)
>  megaraid: 2.20.5.1 (Release Date: Thu Nov 16 15:32:35 EST 2006)
>  megaraid: probe new device 0x1000:0x0409:0x1000:0x3008: bus 3:slot 14:func 0
>  GSI 17 sharing vector 0xA8 and IRQ 17
>  ACPI: PCI Interrupt 0000:03:0e.0[C] -> GSI 18 (level, low) -> IRQ 17
>  megaraid: fw version:[814B] bios version:[H431]
>  scsi5 : LSI Logic MegaRAID driver
>  scsi[5]: scanning scsi channel 0 [Phy 0] for non-raid devices
>  scsi[5]: scanning scsi channel 1 [virtual] for logical drives
>    Vendor: MegaRAID  Model: LD 0 RAID5 1144G  Rev: 814B
>    Type:   Direct-Access                      ANSI SCSI revision: 02
> *SCSI device sdc: 2343745536 512-byte hdwr sectors (1199998 MB)
> *sdc: Write Protect is off
> *sdc: Mode Sense: 00 00 00 00
> *sdc: asking for cache data failed
> *sdc: assuming drive cache: write through
> *SCSI device sdc: 2343745536 512-byte hdwr sectors (1199998 MB)
> *sdc: Write Protect is off
> *sdc: Mode Sense: 00 00 00 00
> *sdc: asking for cache data failed
> *sdc: assuming drive cache: write through
> * sdc: sdc1 sdc2 sdc3
> *sd 5:1:0:0: Attached scsi disk sdc
>
>
> lspci -v
>
>  03:0e.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID (rev 0a)
>      Subsystem: LSI Logic / Symbios Logic MegaRAID SATA 300-8X RAID Controller
>      Flags: bus master, stepping, 66MHz, medium devsel, latency 64, IRQ 17
>      Memory at cfcf0000 (32-bit, prefetchable) [size=64K]
>      Memory at fe500000 (32-bit, non-prefetchable) [size=1M]
>      Expansion ROM at fe4e0000 [disabled] [size=128K]
>      Capabilities: [c0] Power Management version 2
>      Capabilities: [d0] Message Signalled Interrupts: 64bit+ Queue=0/1 Enable-
>      Capabilities: [e0] PCI-X non-bridge device
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-- 
Regards,
Eugene Vilensky
evilensky at gmail.com



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