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From: Doug Ambrisko <ambrisko@ambrisko.com>
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To: wsk <wsk@gddsn.org.cn>
Date: Mon, 10 Aug 2009 21:37:35 -0700 (PDT)
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Cc: rsmith@xs4all.nl, stable@freebsd.org
Subject: Re: Monitoring tools for mfi0: <Dell PERC 6>?
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wsk writes:
[ Charset UTF-8 unsupported, converting... ]
| On Sun, Aug 09, 2009 at 08:04:35PM +0200, V=E1clav Haisman wrote:
| > Hi,
| 
| > I have a server with the "mfi0: <Dell PERC 6>" controller. Are there any
| > monitoring tool for this? I tried camcontrol but it doesn't even list the
| > device.
| =20
| Maybe sysutils/megacli does what you want?
| 
| Roland
| 
| some times. I got follow mesgs on my Dell PE R900. any ideas?
| 
| mfi0: 1989 (303015600s/0x0020/info) - Patrol Read started
| mfi0: 2020 (303022694s/0x0020/info) - Patrol Read complete

This is normal.  Patrol read scans for potential disk errors.
If you want more info in real-time then you can set
	hw.mfi.event_class="-2"
and get more detail or use MegaCli to get the full event log.

| mfi0: COMMAND 0xffffff80005a7870 TIMEOUT AFTER 43 SECONDS
| mfi0: COMMAND 0xffffff80005a7ed0 TIMEOUT AFTER 58 SECONDS

This is usually okay and saying that some commands are taking
a while.  If the command never completes then that is a problem.
the RAID control can decide the order of completing commands
so it can take some time.
 
| pciconf:
| mfi0@pci0:25:0:0:	class=0x010400 card=0x1f0c1028 chip=0x00601000 rev=0x04 hdr=0x00
|     vendor     = 'LSI Logic (Was: Symbios Logic, NCR)'
|     device     = 'SAS1078 PCI-X Fusion-MPT SAS'
|     class      = mass storage
|     subclass   = RAID

FWIW, that is a bad discription since it claims it is the SAS card and
not the RAID.

Doug A.