Fibre Channel Link light off on Xserve

I noticed a few days ago that the lower Fibre Channel link light and Activity lights are no longer working on the lower unit on my Xserve. So far I tried unplugging and replugging the Fibre cable but that didn't help.
THere are no warning lights lit on the Fibre card on the back of my G5, and from flipping through the Xserve manual, it looks like all those lights are correct also.
We recently had the network rewired and since then I haven't been able to access the RAID Admin to see what's up. I may have to reset the controller though.
If you have any advice on where to start troubleshooting, or settings to check once I get the RAID Admin working I'd appreciate the advice, thanks!
PS: I have installed the Xserve Driver Update 1.0

Everything seems to be working normally. I'm mastering off the few projects I just finished, and I'm able to play back to streams of Uncompressed 10 bit SD so far so good. Although the one working channel seems to be working a bit harder than usual
The Xserve RAID is hooked directly to my powermac G5 via Apple's Fibre Channel Card. I talked to my boss who has been working wit the network people and said the IP address should be the same, and it should be picking up DHCP. From your post it sounded like there may be a setting in RAID Admin for this? I'll check after I finish Edit to Tape
Think of my calmness this way: If the front of your car is hanging off the edge of a cliff, the last thing you'd want to do is make any sudden moves!

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gk

In my experience the auto connect never works properly with certain vendor products. Try hard setting your link speed, i.e. 2G or 4G depending on your HBA capabilities and the target device.

Xserve Raid will not mount - fibre channel link down

I came back from being out of town and my Xserve is running, but will not mount on the G5 tower via fibre channel. It was powered off and up again and still nothing. Apple tech says to reset raid controllers, however, I have sensitive data on the drives and lots of video/FCP projects on there. It has just run out of warranty and now asked to pay $199 per incident to get any help. I will gladly take any help.
Read the boards, ran Disk Utility and still did not show up.
Also, told the fibre cables tend to "burn out" but have yet to spend money if this is not the problem.
Thanks.

Resetting the controllers is non-destructive. However, if you power-cycled the array, that should take care of it.
told the fibre cables tend to "burn out"
I've never experienced (or heard of this) myself, and have never had a problem on any of my arrays, some of which have been running for years with zero problems. Of course, environment (especially heat) could play a part, but it seems a little bit of a stretch to me.
Does RAID Admin have anything to say about the RAID?

WRT310N Active - Cable Modem Link light off. WRT310N of - Cable Modem Link Light On.

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It appears that settings/something faulty with the router is crapping out the cable modem's connection.
Thoughts??

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Fibre channel lights on Xserve RAID

I have a G4 Xserve 1.33Ghz connected via Apple's Fibre channel card to a Xserve RAID. 3 drives installed, RAID 5 and a hot spare. The drives are installed in bays 1-4, but the fibre channel activity light is off on the left one, but active green for the right one. There are no drives in bays 8-14, the RAID controller is active.
Surely the left light fibre channel light should be active, and the right one off.
Any ideas, thanks

Hmmm.
I recall the lights on the RAID might be the reverse of what's expected? I'm not 100% certain here -- this may be normal behavior.
Can you see the LUNs in Disk Utility? That's where you can usually check. You may also want to try rebooting once -- just in case the LIP message sent when the RAID came online was ignored.
As for the RAID initializing... once you're above 2% or 3% or so it should be visible from the host... the default is to use RAID Now background initialization which means the volume is available for use (and safe to use -- data is protected), though a bit slower while the initialization completes. Initialization takes a long time -- ~30 hours or so.

Xserve RAID Fibre Channel Lights pegged until disk activity

We are having some issues with an Xserve RAID connected to a G5 Xserve running 10.4.8 Server. The Fibre Channel lights on the front are constantly maxed out, but whenever the disk are active the lights die down only to peg again when activity stops. Needless to say, we are having SEVERE access speed issues. Any ideas?

This can happen in a protected RAID set (i.e. RAID 5) if a single raid member drive pops offline and back on again, since the RAID set has to re-build itself from the parity data in that case.
It also happens after creating a RAID 5 volume, as the creation usually takes a few days (assuming you used the 'RAID Now' option), and so you'll see the blue lights.
It also makes sense that the blue light 'spiking' would drop when you do a read/write, as the initialization process has to pause to handle the disk activity.
Are either of these the case?
We are having some issues with an Xserve RAID
connected to a G5 Xserve running 10.4.8 Server. The
Fibre Channel lights on the front are constantly
maxed out, but whenever the disk are active the
lights die down only to peg again when activity
stops. Needless to say, we are having SEVERE access
speed issues. Any ideas?
MacBook Pro Mac OS X (10.4.8)

Clarification on how to use Xserve Raid and Fibre Channel without xsan.

First let me apologize for not responding earlier to your response, I tend to get busy and then forget to check back here.
Tod, the answer to your question is No, only one computer is accessing the xserve raid files at any one time and that is via Fibre Channel. However I do have the xserve raids set up as share points via ethernet.
Maybe I should turn that off and only access the files with the one computer that can connect via fibre channel.
I never thought of that. I will try that while I await for your answer, thanks again.
Todd Buhmiller
I have the following setup:
Xserve: 2x2Ghz Dual Core Intel Xeon, 5Gb of Ram, Running 10.5.8 Leopard Server
Xserve Raid with firmware version 1.5.1/1.51c on both controllers, and
Qlogic Sanbox 5600
Apple Fibre Channel Cards in Xserve, and Mac Pro Tower; Apple 2 Port 4Gbs Fibre Channel Card
Mac Pro Tower-Quad Core Intel Xeon 2.8Ghz, 16Gb of Ram, Running Snow Leopard 10.6.4
Here is the problem.
The directory for the xserve raids keep getting corrup, and I use disc warrior to rebuild them. Is there a way to keep the directories from getting corrupt? I am a few pieces of equipment before I can build an Xsan as that is the ultimate goal, but until then, I just need to be able to have the raids funciton as storage without having to rebuild the directories all of the time.
Anybody have any suggestions?
Thanks
Todd Buhmiller
Widescreen Media
Calgary, Alberta Canada
Tod Kuykendall
Posts: 1,237
From: San Diego
Registered: Oct 11, 2000
Re: Xserve Raid Mounts, Corrupt Directory tired of rebuilding directory
Posted: Jun 27, 2010 1:25 PM in response to: Todd Buhmiller
Are multiple computers accessing the same data on the RAID at the same time?
If so then NO. This is the source of your data corruption and I'm surprised if you were able to get all your data back every time if this is how you've been running your system. Each fibre channel assumes it has full and sole control of every volume it has mounted, no data arbitration is practiced and data corruption will occur if this assumption is wrong.
The only way this set-up will work is to use partitions or LUN masks so the volumes are accessed by one computer at any time. As long as one computer relinquishes control before another mounts it you will dodge arbitration issues but this is a dangerous game. If you screw up and mount an already mounted volume - and there is no easy way to tell if a volume is mounted - corruption will then occur. Sharing data simultaneous at fibre speeds is what XSAN does and to do this you need it.
HTH,
=Tod
Intel Xserve, G5 XServes, XRAID, Promise

+The xserve raids will mount automatically to any computer that I connect the qlogic fc switch to+
This is source of the corruption to your data. Any computer that attaches to a drive/partition via fibre channel assumes that it alone is in control of the drive and data corruption is inevitable.
+Is that the issue, should I disconnect the xserve from the fc switch and leave it connected via ethernet?+
Short answer: YES. The ethernet connections are fine because the server is controlling the file arbitration through the sharing protocol. Fibre channel connections assumes complete control over the partition and no arbitration of the file access is performed. It's like two people independently driving trying to drive the same car to different locations.
Depending on your set-up it is possible for the two machines to see and use different parts of the Xserve RAID storage but they cannot access the same areas without SAN doing the arbitration.
Hope that's clear,
=Tod

Easiest solution for adding Fibre Channel Tape Backup to Xserve RAID setup

I'm interested in getting a Fibre Channel LTO-3 tape library such as the Exabyte 221L for my Xserve RAID/Xserve G5 setup. I realize there are SCSI LTO-3 solutions that are less expensive than FC, but I'd prefer not to have to add a SCSI card to my Xserve, mainly because I'd have to pull the video card and run the server headless (horrors!). However, I understand that I must get a Fibre Channel switch to allow the LTO library, the Xserve, and the Xserve RAID to communicate... you can't just daisy chain FC devices. The least expensive switch I can find is the new QLogtic SANbox 3050 for about $1800. For my situation, in which these will be the only FC devices I'll probably ever use, does this switch sound appropriate? The specs on the switch can be found here: http://www.qlogic.com/products/sanbox/sanbox_3050.asp.
Xserve RAID & Xserve G5 Mac OS X (10.4.5)

For simple environments like yours, it's trivially easy. You must plug everything in, and you're good to go... as simple as a network switch.
Now if you start adding multiple hosts (i.e. plug in a second Xserve or G5), you need to be careful, because in the default configuration everything is "wide open," so every device can see every storage LUN. This would actually be problematic, as systems could (actually, would) corrupt each other's storage. When you get to this point, you'll need to look at either zoning the ports on the switch, or using LUN masking on the Xserve RAID to allocate specific pieces of storage to specific hosts.
But for now, just get the switch, plug everything in, and you're off.
BTW if you mark "answered" for me, versus for the thread overall, it helps me out a bit in this forum ranking system, whatever it is.
Cheers.

4 xserves, 1 xserve raid, 4 partitions, fibre channel - possible?

Is it possible to connect 4 xserves to 1 xraid that has 2 partitions for each side of the controller to all connect together using a fibre channel switch?
Thanks!
Tony

Hello Paul,
LUN slices are all equal sized - ie you slice it into two, three or four slices but they will all be equally sized. You can't slice off 1/3 of a RAID side and the leave the other 2/3s alone. (I guess you could slice it into three and then RAID0 the other two slices back together but that seems too tricky to be a good idea.) The advantage is that each LUN has a logical "name" and you can hardwire your fibre card to see only that "name" and there is zero chance of conflicting control of a slice.
If I understand you correctly you want to RAID 50 the entire RAID into a single big volume and the partition it up into smaller logical partitions. You will need to do the RAID0ing of the two sides before anything else because this will destroy the data that already exists on the RAID 5s. As long as you keep this in mind it is doable and you can then use fstab editing to control which Xserves load which volumes on start-up. Note that volume partitioning is not a set-up for a hostile environments because people will be able to do bad things if they are determined to do so - eg Using Disk Utility to force mount a volume they otherwise can't see and then play with it.
My question is "Do you really need a single large volume?" Alot of people do RAID 50 the unit into a single image but unless you need more than 3TB volume sizes for some reason or for HD video capture I personally don't see the attraction. You take RAID 5 which is pretty close to bullet proof but then you build it into a RAID 0. The data on a RAID 0 is susceptible to loss from breaking the RAID while two separate RAID5s (especially with hot spare drives) is about as close as you can get to rock solid in computing. If you're going to then divide it up and redistribute it anyway I'm not sure if the merging of the sides is necessary.
Only you can determine what you need but if you're not going to have a single >3TB volume I would go RAID5s on each side (7drives or 6+1spare ideally) and then either slice or partition up the volumes for the respective computers.
My $.02,
=Tod
G5/2.0x2, Dual XServes x2, XRAID, beige G3 501Mhz

Xserver Fibre Channel with tape backup issues?

Is this correct, that OS X 10.4.9 and 10.4.10 has a fibre channel issue with external tape drives (as well as SCSI drives)???
And this is to be fixed in 10.4.11? Do we have a time frame when we will see 10.4.11 to fix this major snafu?
I'm going to decide on a different server (in the meantime) and do net backups if this is the case. But what about others that run backup off the server, attached to an Xserve RAID?
BTW, I contacted BRU support with query on their software...I give kudos to them. Their support is spot on!
Message was edited by: Eddie Ski

Retrospect is just hideously, egregiously out of date and I don't think EMC gives a d*mn, at all.
Even pre-Intel, it will happily LOCK up your server while failing to properly time out when trying to talk to a tape library. It's well-known, Retro + Tape Library = h*ll on earth. And the fault lies squarely with Retro because something like Bru and other more expensive software does not have the same issue.
So let's just make sure -not- to judge "SCSI" isues in OS X based on the ungodly-awful behaviour of Retrospect. Might as well do automobile performance tests using only amateur drivers ; )

Xserve, G5, Xserve RAID and fibre channel question

hi guys,
I have a Xserve conneted to Xserve RAID right now. Is it possible connect G5 to Xserve RAID thru fibre channel ? thanks

>is it possible to do ?
Not in the way you describe, no.
The XServe RAID's 14 drives are connected to two separate controllers. Drives 1-7 are connected to the upper controller. Drives 8-14 are connected to the lower one.
If your XServe is currently connected to the upper controller it's talking to drives 1-7.
If you connect the G5 to the lower controller it will be talking to drives 8-14.
Therefore you cannot use this setup to backup the data via the G5.
At the very, very least you need a fiber channel switch so that both the XServe and the G5 can connect to the same controller. However, as Tod has already mentioned, it is tricky to get multiple machines talking to the same RAID drives while avoiding corruption (there's no concept of arbitration, or ways of preventing one machine from editing a file that's in use by the other machine).
You have two basic options - one is to implement XSAN, which will handle the arbitration issue, the other is to configure the G5 to mount the RAID read-only. This should prevent the G5 from modifying a file while it's in use by the XServe (which may be sufficient for backup purposes), but you may still run into issues when the G5 tries to backup a file that's actively in use by the XServe.
In all honesty, a better solution would either to get a SCSI card that works with the XServe and do it all there, or use file sharing between the XServe and the G5 and backup over the network - it'll be slower, but a lot more reliable.

Need docs that explain Fibre Channel setup, getting I/O error on 2540 SAN

Sun T5220 Host running Solaris 10 5/09 as management host.
Qlogic 5602 FC Switch
Sun Storagetek 2540 - one controller tray with 9 300G SAS Hitachi drives. Firmware 7.35.x.
Sun branded Qlogic QLE2462 HBAs - PCI express, dual port. 3 in the T5220. qlcxxxx drivers for the HBAs.
Sun Common Array Manager software version 6.5.
I am a long-time Oracle DBA who has the task of setting up a Fibre Channel SAN. I am not a Solaris sysadmin, but have installed and maintained large databases on Solaris boxes where I had access to a competent sysadmin. I am at a classified site and cannot bring out electronic files with logs, configuration info, etc. to upload. Connecting the T5220 is the 1st box of many. This is my first exposure to HBA's, Fibre Channel, and SAN, so everything I know about it I have read in a manual or from a post somewhere. I understand the big picture and I have the SAN configured with 2 storage pools each with 1 volume in them on RAID5 virtual disks. I can see the LUN 0 on the T5220 server when I do a luxadm probe and when I do a format. I formatted one of the volumes successfully. Now I attempt to issue:
newfs /dev/rdsk/device_name_from_output_of_luxadm_probe
I get an immediate I/O error. I could be doing something totally naive or have a larger problem - this is where I get lost and the documentation becomes less detailed.
What would be great is if anyone knows of a detailed writeup that would match what I'm doing or a good off-the-shelf textbook that covers all of this or anything close. I continue to search for something to bridge my lack of knowledge in this area. I am unclear about the initiators and targets beyond the fundamental definitions. I have used the CAM 6.5 software to define the initiators that it discovered. I have mapped the Sun host into a host group also. I do not know what role the Qlogic 5602 Fibre Channel switch plays with respect to initiators and targets or if it has any role at all. Is it just a "pass through" and the ports on the 5602 do not have to be included? Maybe I don't have the SAN volume available in read/write. I find bits and pieces in blogs and forums, but nothing that puts it all together. I also find that many of the notes on the web are not accurate.
This all may appear simplistic to someone who works with it a lot and if you know of an obvious reference I should be using, a link or reply would be greatly appreciated as I continue to Google for information.

Thanks for the reply. I had previously read the CAM 6.5 manual and have all the SAN configuration and mappings. Yesterday I was back at the site and was able to place a UFS filesystem on the exposed SAN LUN which was 0. I've not seen any reference to LUN 0 being a placeholder for the 2540 setup and when I assigned it, I allowed the CAM 6.5 software to choose "Next Available" LUN and it chose 0. LUN 31 on the 2540 is the "Access" LUN that is assigned automatically - perhaps it is taking the place of what you describe as the LUN 0 placeholder.
I was able to put a new UFS filesystem on LUN 0 (newfs), mount it, and copy data to it. The disk naming convention that Solaris shows for the SAN disks is pretty wild and I usually have to reference a Solaris book on the standard scsi disk name formats. My question/confusion at the moment is that I have 3 Sun branded Qlogic HBA's in the Sun T5220 server - QLE2462 (dual port) with one port on two of the HBAs cabled to the Qlogic 5602 FC switch which is cabled to the A and B controller of the SAN 2540 - there are only 2 cables coming out of the 5220; the 3rd HBA (for future use) has no cables to it. Both ports show up as active and connected on the server down to the SAN and the CAM 6.5 software automatically identified both initiators (ports) on the Sun 5220 when I mapped them. I had previously mapped them to the Sun host, mapped the host to a host_group, virtual disks to volumes, volumes to....etc.; and was able to put data on the exposed volume named dev_vol1 which is a RAID5 virtual disk on the SAN.
When I use the format command on Solaris, it shows two disks and I assumed this represented the two ports from the same host 5220. I was able to put a label on one of these disks (dev_vol1), format it, and put data on it as noted above. When I select the other disk in the format menu, it is not formatted, won't allow me to put a label on it (I/O error) and I can go no further from there. The CAM 6.5 docs stop after they get you through the mapping and getting a LUN exposed. I continue on the in a Solaris-centric mindset and try to do the normal label, format, newfs, mount routine and it works for the one "disk" that format finds but not for the other. The information from the format info on both the disks shows them as 1.09 TB and that is the only volume mapped right now from the SAN so I know it is the same SAN volume. It does not make sense that I would label it and format it again anyway, but is this what I am supposed to see - two disks (because of 2 ports?) and the ability to access it through one. I found out by trial an error that I could label, format, and access the one. I did not do it from knowledge or looking at the information presented....I just guessed through it.
I have not "bound" the 2 or HBAs in any way and that is on my list as next because I want to do multipathing and failover - just starting to read that so I may be using the wrong language. But I am wondering before I go on to that, if I am leaving something undone in the configuration that is going to hamper my success in the multipathing - since I cannot do anything with the 2nd "disk" that has been exposed to Solaris from the SAN. I thought, after I labeled, formatted and put a filesystem on the one "disk" I can write to that the other "disk" that shows up would just be another path to the same data via a 2nd initiator. Just writing that does not sound right, but I am trying to convey my thoughts as to what I logically expected to see. Maybe the question should be why am I seeing that 2nd "disk" in a Solaris format listing at all? I have not rebooted any time during this process also and can easily do that and will today.

Problem with fibre channel card and raid system after upgrading to 10.4.7

Hello, I have a problem with our Xserve G4 DP. After the installation of 10.4.7 everything works fine exept our fibre channel card. This card is connected to a Hitachi Raid System which worked fine over a year. But after the update the volume was no longer mounted. I even reinstalled the server to 10.4.4 and no sign of our raid volume. Using the apple fibre channel utiltiy 2.0, I see that there is a connection - but still the raid volume is not mounted. When I restart the server the lights on the back of the card are shortly flickering and sending some packets to the raid system but that´s all. Has anybody an idea?
Greetings from Heidelberg
Klaus
Xserve G4 DP 1 GHz Mac OS X (10.4.6) Mac OSX Server 10.4.7

You could re-update, by downloading the 10.4.7 Combination Updater from Apple.

OSX 10.5.6 doesn't see Fibre Channel Disk array, neither does Disk Utility

My system is a Power Mac G5 Quad, 6gb Ram, 1Tb internal hard drives, 1Tb external and several portable drives as needed.
The Drive array in question is a Fujitsu GR710 which contains 12 Seagate Cheeta ST336605FC drives which are around 35gb each.
OK, I have been given a Fibre Channel system, that at one time worked with OSX. I had to move it and now it doesn't show up on Disk Utility anymore. I can totally reformat it if possible, but I have to be able to see it first.
System Profiler sees the setup as:
Fibre Channel Domain 0:
Vendor: LSILogic
Product: LSI7202EP
Revision: Firmware 1.2.18.0, Fcode 1.00.37
Bus: PCI
Slot: SLOT-2
Initiator Identifier: 126
Node World Wide Name: 20:00:00:06:2B:12:C4:C4
Port World Wide Name: 10:00:00:06:2B:12:C4:C4
Address Identifier: 00:00:E8
Description: Port 0
Speed: Automatic (1 Gigabit)
Topology: Automatic (Arbitrated Loop)
Status: Link Established
Cable Type: Fiber Optic
SCSI Target Device @ 0:
Node World Wide Name: 20:00:00:E0:00:41:04:6D
Port World Wide Name: 21:00:00:E0:00:41:04:6D
Address Identifier: 00:00:EF
SCSI Target Identifier: 0
SCSI Peripheral Device Type: 0
Manufacturer: FUJITSU
Model: GR710
Revision: 0000
SCSI Logical Unit @ 0:
SCSI Logical Unit Number: 0
Manufacturer: FUJITSU
Model: GR710
Revision: 0000
Fiber Channel Preferences shows that a link is established.
Hardware RAID says that there is no hardware present.
I am using the Apple MA900A/G Fibre Channel Card to hook into the Drive array. It is hooked up with both ethernet and fiber optic cables.
I have used an IP scanner to search for the IP of the array and only find one that I can't identify at 224.0.0.251 another scan reports an IP of 0.0.0.0, neither worked when I tried to use Safari to access it.
I have tried several programs to try and get into this array and nothing sees it. All my experts tell me that I will need to use the Terminal program and use command lines to access the drives, but I can't find any information about what to do there. I've been told I need the driver for the array, naturally there isn't a driver for Mac to be had, but there are drivers for solaris, Unix, and windows. The last expert said to use the Unix driver, but I don't know where to put it in the system.
So I need help, Terminal commands to talk to the drive and revive it hopefully, or a system program that will do something similar. None of my diagnostic programs sees the array. The Card came with no software or instructions. Neither did the array. I haven't been able to find any hardware information about the drive from FuJitsu at all, it's too old for them to bother with anymore.
Any help would be greatly appreciated!
Thanks
Doc

I have to go with William on this one - if it's shows up over fibre then it should be okay. Have you gotten the admin module to see the device over ether? I have a feeling that is you can get the software to see it you might be able to configure the device into something the computer could mount.
The Promise that way - you can configure the device entire from the web interface and you don't need fibre communication working for any of the configuration of what RAID you want and which disks are attached with what set etc. Once the RAIDs are configured into volumes then the Xserve sees they exist and you can use Disk Utility to format them. If you don't need fibre communication I don't see how SCSI drivers would matter over ethernet. But maybe the box is a strange beast - odder things have been made.
Barring that - can you attach the device to an older machine with the drivers and configure the device into raw volumes and then an HFS+ (or whatever you want) system? If you did that and then switched the box back to Xserve it should be able to pick up the configured volumes drivers or no.
My $.02,
=Tod

Eth1 not detecting link, despite NIC link light

hello
i have just added a new NIC to the server. when restarting the computer i see the link lights are on and green. When checking with the ifconfig the eth is shown but when checking with the ethtool it shows the link is off. i changed the cable the gbic but still the link is down.
the interface is connected P2P to another computer so the ip and route is not relevant, i just want to see the link on
i googled this problem and saw that i am not the only one who has it but there where no solutions. there was a very similar problem that was posted here but the solution was not entered.
i hope there is a software or connection problem here and not a NIC problem
thanks
here are the enviroment params
Ethernet controller: Intel Corporation 82599EB 10-Gigabit Network Connection
ethtool eth4
Settings for eth4:
Supported ports: [ FIBRE ]
Supported link modes: 10000baseT/Full
Supports auto-negotiation: No
Advertised link modes: 10000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: No
Speed: Unknown!
Duplex: Unknown! (255)
Port: Other
PHYAD: 0
Transceiver: external
Auto-negotiation: off
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: no
ifconfig eth4
eth4 Link encap:Ethernet HWaddr 00:1B:21:00:00:01
inet addr:1.1.1.1 Bcast:1.1.1.255 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

i have downloaded the new ixgbe driver so i dont think changing the kernel will help
ethtool -i eth4
driver: ixgbe
version: 3.7.21-NAPI
firmware-version: 0x18f60001
bus-info: 0000:07:00.1
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes

Fibre Channel Link light off on Xserve

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