Question about IBM DS4800 (181580H) Hard Drive Array

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Need to Move exchange stores to new SAN

I have a exchange 2003 cluster with two node that currently use a NAS. We got a new SAN and I need to move the exchange stores to the new SAN. The documentation I have says I can just move the databases to the new drives; however when I try to access the storeage group properties to change them to the new drive letter I get an error. "this option is available only if the exchange system manager runs on the server the files are located on." I have stopped the cluster services and am running it on the server that is the active "exchange server".

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  • dano2004 Mar 18, 2009

    I had to stand up a third exchange box that was not part of the cluster. Then I was able to shut down the cluster. After that, i was able to move the mailboxes to the new SAN.

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What's the result?

Posted on Mar 18, 2009

  • Henry PAN
    Henry PAN Mar 18, 2009

    Cool. That's one way to fix it.

    Congratulation!


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How do I get my files back?


It seems your OS on the NAS has being destroyed some how (maybe a power failure or unattended shutdown...). To recover your files from the broken NAS, I suggest to open your NAS and get the HDD out. Most NAS works with a special embedded Linux system, so it's possible the internal HDD to have ext2, ext3 or ext4 structure wich is completely readable if you connect the extracted NAS's HDD to a desktop of any kind and boot from a Live CD as PartedMagic. Once you boot that LiveCd, you could mount the existent partitions on the extracted NAS HDD (and attached to the system that you've just booted) and recover your files from it. Also you could check the NAS HDD to see what's going wrong with him, also from inside the PartedMagic. For that, you need some Linux skills, but don't be afraid: it's much easy than you figure... And, as final suggestion, mount the NAS's HDD founded partitions as READ-ONLY, to prevent them to be erased/deleted by accident.

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1 Answer

Thermaltake N0001LNU Muse NAS-RAID 4 Bay drivers


Try ths driver solution out, it is the highest satifaction rating on the web. It helped fix most of my driver update issues and I still use it as part of my everyday work tool. It' s very useful and easy. Hope it helps you out.

Dec 02, 2011 | Fastora NAS-T4 Hard Drive Array

2 Answers

Nss4000 with home computer quad core 2.4mghz 8 g ram. all rj45 connections are gigabit transfer speed between computer and nas is 11MB/s what should the tfr speed be? Should I be using cat 6...


Your speed is going to be limited by your slowest component. Most cables you buy in a store are really cat 5e which will do 1000Mbps. If your getting 11MBps (~100Mbps) then something in your network is running at 100Mbps. Assuming your going from Computer -> Router -> Nas
Computer needs a 1Gbps NIC in it, you need at least a cat 5e cable to router, router needs to support 1Gbps bandwidth, cable from router to nas needs to be at least cat 5e and your nic on nas needs to support 1Gbps as well.
So check the spec's on each device and replace the bottleneck because I doubt you can find regular cat 5 unless you tried really hard :)
If you can't find the specs comment back with all three model #s

Aug 17, 2011 | Network Storage Systems

1 Answer

Cannot access WD NAS - need help - please ?


I would say that you should re-install the Western Digital My Book.

Hope this helps!

Feb 04, 2010 | Western Digital My Book World Edition 1TB...

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Need Infrastructure Hint


If you need to store this data for several years, it's going to be a huge machine.

I solved a similar issue by using a standard PC and fill it with disks, and then run Freenas on it. It's BSD based, gives you NFS, SMB/CIFS, iSCSI, FTP, HTTP/WebDAV, Apple, ... connectivity in an open source package, ready to go, easy to manage. it supports doing software Raid 5 with a bunch of disks, so stable and secure. I even lost a disk last week, and replaced it with another one. After 2h the system was 'OK' again...

If you really need huge storage capacity, go for a 'standard' storage server (supermicro for instance) that can store 24 or more disks... You have them in several brands, and the SuperMicro ones aren't that expensive.

Put in a bunch of inexpensive disks (500GB SATA-II disks are really affordable these days) and create a RAID5 array out of all these...

If you want to be even more secure, go with hardware Raid controllers. We use 3Ware/AMCC controllers all the time.

If you got the money, Sun just released a couple of 'Storage Servers' in their 7000 series... Go check them out...

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1 Answer

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did you ever have any luck connecting to your nas

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1 Answer

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Did you try to boot the system without all the harddisks inside (keep at least one).
This helped me to bring up the NAS-T4 up again.

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2 Answers

Can't assign ip configuration to NAS 208


Probably the NAS got the same IP address of the router/switch. Something like 192.168.1.1. Try changing your router default IP address to 192.168.1.3. Look for the NAS now.

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1 Answer

Self Testing


Ouch... You didn't say who's NAS device it is? It sounds like you may have a firmware issue on controller. You may need to reset the controller to the factory defaults. I'd suggest that you contact the manufacturer for details on how to do so. They should also have details on how to recover your data. If you can let us know what kind of a NAS device it is, maybe we can find more details on it.

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