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Old 08-04-2010, 08:44 AM   #1
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Registered: Jul 2010
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Dell 6650 failed disk

Afternoon all,

I have a Dell 6650 which shows the following on the LED:

Drive Fail

Looking in dmesg (output below) would suggest the disks are part of a RAID1 set but for the life of me I am unable to list details of the failed disk. Ive tried AACRAID and tried installing Openmanager with no luck.

Im running 'Linux prddb1 2.4.9-e.34enterprise #1 SMP Wed Dec 10 16:42:39 EST 2003 i686 unknown'.

Looking at the DMESG it would suggest a logical drive is configured which I could probably check from BIOS but unfortunately this is a production server and I am unable to reboot with 100 Change Requests.

Any input or suggestion would be appreciated, thanks...

When I run omreport -? I receive the following:

omreport Reports component properties.

The available command(s) are:

Command Description
Error! User has insufficient privileges to run command: omreport

Running afacli shows:

FASTCMD> open /readonly=true afa0
Executing: open /readonly=TRUE "afa0"
Command Error: <The requested controller does not exist.>


cat /proc/mdstat
Personalities :
read_ahead not set
unused devices: <none>


SCSI subsystem driver Revision: 1.00
(scsi0) <Adaptec AIC-7892 Ultra 160/m SCSI host adapter> found at PCI 0/3/0
(scsi0) Wide Channel, SCSI ID=7, 32/255 SCBs
(scsi0) Downloading sequencer code... 396 instructions downloaded
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.5/5.2.0
<Adaptec AIC-7892 Ultra 160/m SCSI host adapter>
blk: queue f63f6e18, I/O limit 4095Mb (mask 0xffffffff)
megaraid: v1.18 (Release Date: Wed Dec 4 11:33:08 EST 2002)
megaraid: found 0x1000:0x1960:idx 0:bus 3:slot 1:func 0
scsi1 : Found a MegaRAID controller at 0xf8850000, IRQ: 21
scsi1 : Enabling 64 bit support
megaraid: [3.28:1.05] detected 1 logical drives
megaraid: supports extended CDBs.
megaraid: channel[1] is raid.
megaraid: channel[2] is raid.
scsi1 : LSI Logic MegaRAID 3.28 254 commands 16 targs 5 chans 7 luns
blk: queue f63f6e18, I/O limit 4095Mb (mask 0xffffffff)
scsi1: scanning channel 0 for devices.
Vendor: PE/PV Model: 1x5 SCSI BP Rev: 1.1
Type: Processor ANSI SCSI revision: 02
blk: queue f5ede218, I/O limit 4095Mb (mask 0xffffffff)
scsi1: scanning channel 1 for devices.
scsi1: scanning virtual channel 1 for logical drives.
Vendor: MegaRAID Model: LD0 RAID1 34678R Rev: 3.28
Type: Direct-Access ANSI SCSI revision: 02
blk: queue f5e0e218, I/O limit 4095Mb (mask 0xffffffff)
scsi1: scanning virtual channel 2 for logical drives.
scsi1: scanning virtual channel 3 for logical drives.
scsi1: scanning virtual channel 4 for logical drives.
Attached scsi disk sda at scsi1, channel 2, id 0, lun 0
SCSI device sda: 71020544 512-byte hdwr sectors (36363 MB)
Partition check:
sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 sda8 sda9 >
Journalled Block Device driver loaded
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
Freeing unused kernel memory: 248k freed
Old 08-04-2010, 08:53 AM   #2
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One strange thing is that both disks have green lights on but the alarm is sounding.
Old 08-04-2010, 09:00 AM   #3
Registered: Nov 2005
Distribution: Fedora 4
Posts: 40

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OK, so have you run the omreport command as superuser? (sudo omreport)

Dell provides several utilities for linux on the PowerEdge 6650 drivers page. I found a diagnostic utility but not sure if it will run from the console or if requires reboot from ISO...
Here's the link.

I checked Adaptec but they didn't have a utility for the 7892 for linux...

If you can tell which drive failed (ie the LEDs on each drive) then you may be able to hot-replace it with an identical drive and the array rebuild automatically.

However, I recommend a reboot so you can load the megaraid utility to see exactly what's happening.

Good luck!
1 members found this post helpful.
Old 08-04-2010, 09:48 AM   #4
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Thanks Krasl,

Looked on the link which led me to install megaraid utility ( which showed me the failed disk...

Now just need to purchase a disk and replace...

Thanks again...


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