#fibre-channel

[sevennet-blog]

How-to: fibre channel debian problem #dev #computers #fix

How-to: fibre channel debian problem #dev #computers #fix

fibre channel debian problem

I have a QLogic Fibre Channel card installed in a Debian box (Lenny), and after some tiffs with the firmware, I managed to get the operating system to recognize the card (DKMS driver, and the “firmware-qlogic” package for firmware).

However, for some reason, no block devices are being created for the two SAN volumes being exposed to the unit. They show up when I ‘cat…

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[sevennet-blog]

Solution: Is 10Gbps fiber (aqua or teal clad) backwards compatible with 4Gbps/8Gbps (normally orange clad fiber) FC equipment? #fix #development #answer

Solution: Is 10Gbps fiber (aqua or teal clad) backwards compatible with 4Gbps/8Gbps (normally orange clad fiber) FC equipment? #fix #development #answer

Is 10Gbps fiber (aqua or teal clad) backwards compatible with 4Gbps/8Gbps (normally orange clad fiber) FC equipment?

Just like the subject says.

I’ve got a mess of FC hardware in a rack that I’d like to replace the cabling on. Looking at Monoprice I see that LC/LC cables are really close in price between 10Gb and “normal” ($9.18 for a 1m 10Gb, $8.91 for a 1m “normal”). Is there any reason I…

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[sevennet-blog]

Solution: Which events specifically cause Windows 2008 to mark a SAN volume offline? #it #solution #answer

Solution: Which events specifically cause Windows 2008 to mark a SAN volume offline? #it #solution #answer

Which events specifically cause Windows 2008 to mark a SAN volume offline?

I am searching for specific criteria/events that will cause Windows 2008 to mark a SAN volume as offline in disk management, even though it is connected to that SAN volume via FC or iSCSI.

Microsoft statesthat “A dynamic disk may become Offline if it is corrupted or intermittently unavailable. A dynamic disk may also…

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[sevennet-blog]

Resolved: How should I set up my Fibre Channel (FC) network? #fix #programming #dev

Resolved: How should I set up my Fibre Channel (FC) network? #fix #programming #dev

How should I set up my Fibre Channel (FC) network?

How do FC switches work, and how should I configure mine?

Answer [by Basil]: How should I set up my Fibre Channel (FC) network?

Fibre Channel switches usually connect clients to storage. FC is a protocol that is designed explicitly to transport SCSI commands. In fact, the Fibre Channel protocol is a direct extension of the SCSI protocol. All…

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[sevennet-blog]

Solution: Cheap but Highly Available Shared Storage? #fix #programming #dev

Solution: Cheap but Highly Available Shared Storage? #fix #programming #dev

Cheap but Highly Available Shared Storage?

my group is in the market for plentiful storage. We traditionally used big-iron FC-attached SANs, but they are way expensive and provide much more performance than we require.

We want highly available shared storage, and if it performs like local desktop-class drives, that’s fine.

Are there shared disk solutions out there that can get us slower but…

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[goodanswerbiz]

How-to: Fibre Channel LUN rescan and QLogic #fix #computers #answer

How-to: Fibre Channel LUN rescan and QLogic #fix #computers #answer

Fibre Channel LUN rescan and QLogic

I have a serious problem with a SAN storage array connected to a Linux box through Fibre Channel. Here is the configuration :

Debian with plain vanilla linux 2.6.27.25

Fibre controller QLogic 4Gb dual port ( ISP2432 based)

Basically the problem is: how to get this #?@!! FC controller/driver to recognize properly configuration changes (new or removed LUNs) of…

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[sevennet-blog]

How-to: Fibre Channel LUN rescan and QLogic #computers #development #fix

How-to: Fibre Channel LUN rescan and QLogic #computers #development #fix

Fibre Channel LUN rescan and QLogic

I have a serious problem with a SAN storage array connected to a Linux box through Fibre Channel. Here is the configuration :

Debian with plain vanilla linux 2.6.27.25

Fibre controller QLogic 4Gb dual port ( ISP2432 based)

Basically the problem is: how to get this #?@!! FC controller/driver to recognize properly configuration changes (new or removed LUNs) of…

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