No fiber card + cable

hi, today i installed the XServe 2 x 2 GHz Dual-Core Intel Xeon along with XServe RAID 3.5TB..
1st thing i did i open the RAID Admin and created a new array with RAID 5, i noticed that initializing is so slow and its taking forever to be ready, it goes 1% about every half an hour! is this normal?!
2nd, i didnt order the Fiber card + Fiber cables with the XServe, -didnt know they are important for setting up-, and now i cant see the Drives, and not in disk utility... is there a way to format the HD's without fibers? using the ethernet?

Maybe if you explain what you're trying to do it would be easier to give you advice that way. The XRAID has two controllers - one for each side. You'll need two cables if you use both sides simultaneously - but each card has 2 ports so you only need one card per RAID box.
When you are talking about breaking the RAID into disks are you talking about making of the actual RAIDs or splitting sides into smaller slices using either LUNs or partitions?
RAID 5 is an n-1 system so a 3 disk RAID only gives you 2 disks of storage so breaking a side into a 4 disk RAID 5 and another 3 disk RAID 5 doesn't make much sense because you're losing 2 disks worth of storage. If you want the protection of RAID 5 make either a 6 or 7 disk RAID 5 and then look into slicing it or partitioning it into smaller logical Volume sizes. Another note - the more disks you use in a RAID the faster it is so it is another argument for keeping as many disks in the RAID as possible.
Whether you make a 6 or 7 disk RAID 5 is matter of choice. If you use 6 disks and a drive fails the "hot spare" will automatically be used by the RAID to rebuild the RAID. If you use all 7 disks and drive fails the RAID will not rebuild until you physically replace the drive and if another drive fails while it's waiting you loose the data from the RAID. Most people opt for the 6+1 configuration but if you want the extra 500GB and you back-up consistently the 7 drive isn't a terrible option. Because the controllers are separate you need a hot spare for each side if you want to go that route.
If the Xserve is the only machine that will directly reference the RAID then the easiest way to make volumes from a RAID is partitioning. Once the RAID is done initializing you format it (presumably HFS+ w/ journaling) and partition it into as many volumes of whatever size you want. LUN masking is more restrictive because all the volumes need to be equally sized but it allows you physically mask off LUNs if more than one computer is "seeing" the RAID directly. If slicing the RAID in half is your goal then use whichever you're comfortable with - keeping future expansion in mind.
Hope that helps. Good luck,
=Tod

Similar Messages

2 Xraids 1 Fiber Card

Hi,
I wonder if you can help, I have currently 2 Servers hosting 2 seperate Xraid systems. However im about to lose the one server. I am upgrading the one Xraid Lun with new Drives and i need to copy the data back on to the new LUN on the upgraded Raid from the other Raid, there is a stock shortage of Fiber Cards, otherwise i would have used an additional card, so is there anyway for me to Connect the 1 raid with the Data (1 Volume) to the server and the new Volume to copy the data over safely ? its another 3 weeks till another fiber card will arrive and getting a fiber switch for 1 transfer of data isnt an option.
Any Advice Please ?

The other missing part is how the arrays are configured.
With two XServe RAIDs, you actually have four separate controllers. In your current configuration this probably means two connected to Server A and two connected to Server B.
The question is how do the servers use their two arrays. If they're mirrored you could just break the mirror and mount one half on RAID 1 and one half of RAID 2 on the server to copy the data - you'd need to be careful when you rebuild the mirror, though.
If the RAIDs are striped, though, then you have a problem - you can't disconnect any of the RAIDs without losing data. In this case your only option is a second fiber channel card or a fiber channel switch so that you can connect both RAIDs to the same host.
Since you have two servers, though, can't you move the fiber channel card in the second server into the first server? At least for the duration of combining the data?
If not then your only other option is to transfer the data over the network. It'll take longer but may be the only way.

Can I Replace or Extend the Fiber Optic Cable?

There is a cable that runs from the Verizon box outside of my house, comes into the basement corner of the house, and plugs into the router. Do I assume this is fiber optic cable? This cable is about 3 ft long which is problematic in getting a good signal throughout my house. I would like to move the router up one floor. All the other cords and cables are long enough to do so.
My question is what is this cable called and can I replace it or extend it myself? If so, is there any pertinent information I would need to know to do so such as part names and where to get them. If not, how do I get a longer cable installed.
I am not tech savvy and grateful for any help.
Solved!
Go to Solution.

rebeccajeanne wrote:
Do I assume this is fiber optic cable?
No. The fiber optic cable attaches to the Optical Network Terminal (ONT), which is usually outside.
For speed tiers < 100Mbps, the installation is usually coax from the ONT to your router.
For speed tiers > 100Mbps, the installation is always ethernet from the ONT to your router.
If the cable from the ONT is indeed an ethernet cable, you can certainly replace it.
The ONT has a standard RJ45 jack which the other end of the cable is connected to.
You can confirm if you're connected via ethernet in two ways.
1) The WAN ETHERNET light on your router should be lit and the WAN coax light should be off.
2) The ethernet cable should be connected to the white WAN port on the back of your router.
Since your ONT is outside, replacing the ethernet cable presents a couple of problems..
1) When VZ installed the cable, they passed it through the wall, then sealed the opening with silicone.
You need to make sure you can fit a preterminated cable through that opening unless you're capable of terminating a cat5 cable yourself.
2) You need to reseal the opening with silicone.
An easier option is an RJ45 coupler.
http://www.amazon.com/Britta-Products-RJ45-Coupler-F-F/dp/B000BSLW8U
rebeccajeanne wrote:
Can Verizon replace it for a longer cable?
Yes, but they will charge you a truck roll to do so. $88 or so.

100mbps multi-port fiber card for Sol10?

Does anyone know of a multi-port fiber card (PCI) with Solaris 10 support that supports 100Base-FX ? We have a requirement to provide 4 such ports for a customer, and are having a tough time finding such a beast. We can use either quad-port or 2 dual-port cards, but we don't have enough available PCI slots to use 4 single-port cards.
Basically, we're looking for something similar to this, but with support for Solaris 10:
http://www.aei-it.com/hardware/fastenet/p430fx.htm
We've been informed by the vendor that these only support up to Sol 8. We're working on getting eval units in, but are wondering if anyone has used anything similar in the past?
Thanks!
Eric

Due to customer specification constraints, media converters/switches are unacceptable. :( First thing we thought of, too. Also, 3 of the 4 ports are connecting to 100mbps digital hardware boards via UDP, so the mixed speeds probably wouldn't work out if we were to use gigabit fiber.
Eric

How difficult/costly is it to install fiber optic cables?

I live in an area that has no underground cables, or fiber optic cables and I've lived with this 1.5 MB DSL connection for about 4 years now. Yeah, it sucks. I was curious as to what is the biggest factor when it comes to installing fiber optic cables in an area and how a company determines as to where they are going to be located. Thanks in advance.

Installing fiber optic cables is not just a "how hard is it?" question.    yes, the business considerations do take into consideration the physical issues (how hard it may be [above ground and below ground]), but there is more:   Can the company get City\county\state PERMITS to do so? What engineering problems are there? (mountains, existing drainage or other water culverts, etc.?) and then there is also the business consideration of 'how much uptake will be realized if we install the fiber cable?' (how many users in the neighborhood?)
fiber optic technology (to the premises) is here and will not go away (more like CAN NOT go away), however, until the economy picks back up, it may be cheaper for more people to see how much more can be squeezed out of the existing technologies (DSL & cable) before they want to switch to what may cost more for them. SO, in your area, the company may not be able to get the permits, maybe just not yet, who knows?   They may also not see customer uptake in your area, yet.
You may not be aware, but Verizon has recently sold-off whole states and partial states-worth of fiber-to-the-premises accounts, in what could have been Business decisions based on profit for stock holders.   -If their investments to install it will not be recouperated within the time limit required by their stock holders, it may not be installed for a while.
.02
cjacobs001

Trace Fiber Optic Cables

Hi Folks
How to trace Fiber Optic Cables,I m Working in environment where no Fiber Optic Documentation and I Don't know how cables are running between fiber patch pannel on the rack on access switch and the fiber backbone .no label to start working and prepare documentation

Are the fibres carrying live traffic? If they are not live you can trace them with a red light source, its like a pen that has a laser that operates in a visible wavelength, heres one I found which seems to use very bright LEDs:
http://feedthenetwork.com/cable-and-satellite-tv/visible-light-use-for-fiber-continuity-testing
And this one goes 10km with a laser:
http://www.dhgate.com/10km-red-light-pen-fiber-optic-test-fault/p-ff8080812b2e44e5012b48263732532d.html
With everything you get what you pay for and cheaper ones will not go as far as the more expensive ones.
With my laser based red light source I see a break in a fibre patch cord and I can also put a gentle bend in the fibre and it will leak out the side of the sheath.
I hope this is obvious but DO NOT look into the end of a connector EVER, you can't see 1310nm or 1550nm but it will give you a very cheap laser eye surgery job and will almost certainly damage them beyond repair.
If the fibres are live you may have to disconnect them to see which port goes down, thats the safest way to do it anyway.

Sfp and fiber optic cabling

Hi,
I would like to ask if i can use our existing fiber optic cabling after i purchased a cisco 2960 with 4 sfp uplinks also, i purchased sfp modules for each switch. Does it mean that i only need to purhcase a converter from ST for SFP?
thanks

If the fiber type is compatible with your transmission type (single mode versus multi-mode) then all you need is to correct the physical connection.
You can change the connectors (or, more likely have them re-terminated by a pro ... it can be tricky) or use a jumper with the compatible connectors on each end (like SC-to-ST, SC-to-LC, whatever).
It's usually bad practice to use multi-mode fiber in a single mode application or vice-versa.
For multi-mode applications, you may get difference performance for the different flavors; 50/125 MMF tends to get longer distance than 62.5/125 for GigE.
Good Luck
Scott

ATTO Fiber Card?

Our Mac has ATTO fiber cards installed in the Mac Pro, its connected to a Storage Server. Which we are running fiber as our LAN Network. Can I use the network Utility to the Ping the Server using Fiber?
Thank you
Luis
Message was edited by: Luis Casale

It should work. I assume you don't have any other network connections being used (such as ethernet to a WAN). Regardless, you can't hurt anything by trying.

Fiber Card failed

Dear Guru
Hope you may give me some information about the problem.
Our company SAP is ECC6.0 running on AIX 5.3 with oracle database.
Few day ago, the server log showed one of the fiber NIC card on our development server was failed. I already arranged the hardware vendor to come down to change the device next week, but before that, may anyone confirm with me whether the hardware key will be updated by replacing a new fiber NIC card? And do I need to reactiviate the SAP again?
Thanks
guodong

Hi,
If fiber card fails then hardware vendor has to play the key role. After he replaces the card he may have to change the WWN number at the EVA side . One he was able to mount the file systems with the same data then there is no need to check at SAP side. Only thing yo have to monitor the SAP application completely. Also check the run the DB verify in DB13 for any block corruptions.
Thanks,
Chaitanya

Cheapest place to purchase a Fiber card?

Anyone know cheapest place to purchase a Fiber card PCI-E 2GB and mini Gbic's?

I picked up the 4GB card PCI-x version for $299 on eBay. I always look there first. That one will fit in all of the servers I believe. Here is a link to the one I got...
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWNX:IT&item=2503 82864629

Fiber optic cable part number for s6500

Hello
I need help because i have Catalyst S6500 24 port X2-10G-SR card but i cant find Fiber optic part numer to conect.
Does anyone know the part number?
Thanks

With what type of fiber connectors is the fiber you had installed terminated? SC, LC, ST? Is it terminated at fiber patch panel. Also, do you know what type of fiber they installed? Post a picture and it should be straightforward to tell you what you need. Since your running 10G LRM you should use OM3 multimode (OM4 is ok too), hopefully that is what's installed.
So you'll need OM3 jumper cables of sufficient length to get from your Meraki to the patch panel (if they installed one). The SFP+ end of the jumper will have dual-LC connectors and the other end, whatever they have at the optical patch panel.
Definitely post a pic.
Cheers.

Gigabit Fiber Card compatibility

Could someone tell me if the following configuration will work?
Gigabit Fiber NIC card in server connecting to a Gigabit Switch (Cisco Catalyst-6513 w/ WS-X6516-GBIC module) which connects to the primary 10/100 Switch.
Thanks.

Yes, that will work, but make sure you have the same flavour of Gigabit fiber in the NIC and the GBIC. Usually for a server NIC it will be 1000BaseSX.
Kevin Dorrell
Luxembourg

Fiber Optic cable types

Hello
What are the differences between the following cable types. What does Âµ and mm 50mm or 62 etc 125Âµ values determine? Where to use which?
Dorax 8 Core MM 50/125Âµ F/O
DR-5613-12 Dorax 12 Core MM 62.5/125Âµ F/O
DR-5613-24 Dorax 24 Core MM 62.5/125Âµ F/O
DR-5613-4 Dorax 4 Core MM 62.5/125Âµ F/O
DR-5613-8 Dorax 8 Core MM 62.5/125Âµ F/O
12 Core SM 9/125Âµ F/O
Dorax 24 Core SM 9/125Âµ F/O
DR-5913-4 Dorax 4 Core SM 9/125Âµ F/O
DR-5913-8 Dorax 8 Core SM 9/125Âµ F/O
Thanks

Typically, the fiber ends are terminated into a patch panel, using SC or LC connectors. Then jumpers attached to the patch panel to the equipment.
A pigtail is just a fiber with one enter terminated with a connector and the other end a bare fiber. You can splice (fusion or mechanical) the pigtails to the fiber cable ends and install them in a patch panel.
It is difficult to install connectors on singlemode fibers so installers purchase factory made pigtails or they purchase preterminated patch panels to terminate (connectorize) the fiber.
Connectors can be attached to multimode fiber in the field using polishing equipment or special mechanical connectors (depending on the volume of connectors).
There are all sorts pre-terminated products (cables, connector modules, patch panels, etc) on the market that reduce the need for the user to field terminate the fiber ends.
I've attached a couple of links, one for product and one for fiber basics.
Enjoy!
Panduit Fiber Products
http://www.panduit.com/Products/ProductOverviews/FiberSystems/index.htm
Fiber Optic Association
http://www.thefoa.org/tech/ref/index.html

XSAN FIBER CARD ON A QUAD G5

Guys Is there away I could use my PCI-X Fiber Channel Card on the new Quad Mac G5?
Thanks

No. It will not physically fit in the machine.
You need a PCI-Express version of the Apple Fibre Channel Card. They should be available on the Apple Store.

Minimum Fiber Patch Cable Length for MGBSX1

I want to "stack" a couple 300 series gigabit switches with fiber using a pair of MGBSX1 GBICs and a single LC to LC patch cable.
Is there a minimum supported patch cable length in this configuration?

Howard,
Thank you for posting. You should have no issues using a short fiber patch between the switches. Just make sure the fiber doesn't bend too sharply and get damaged.

No fiber card + cable

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