we are running raid 5 configuration on a fujitsu siemens server - 3 drives and a hotswap. System crashed and when we try to mount the exchange databases again it gives error that there is no diskspace, but there is plenty.. any ideas? Specialist says its harddrive failure but he wasnt to sure..
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2 drives indicates they are RAID 1, which are mirrored. 2 x 36GB = 36GB. This is an industry standard config. If you make any changes you will lose the array making it RAID 0 (no RAID - no longer hot swap), and or the complete loss of OS / data.
Instead make another logical drive for data storage. You need three or four drives to set up as RAID 5, again an industry standard config.
use this guide, this is fo the embedded sata raid controller that comes standar with the ml150 g5.
Enabling SATA RAID functionality in the BIOS Setup Utility:
1.Boot the server, and then press F10 to enter the ROM-Based Setup Utility (RBSU).
2.Go to the advanced tab.
3.Enter the IDE configuration or hard disk configuration.
4.Change the ATA/IDE configuration to enhanced or SATA controller 2 enhanced (if not available then use enabled mode).
5.Configure SATA as RAID or configure controller 1 as RAID.
6.F10 to save and exit.
7.Reboot the server.
8.During post f8 will now show up for the embedded SATA set up.
•Creating the RAID volume.
1.Enter the embedded SATA setup by pressing f8 during post.
2.Enter the array configuration utility.
3.Enter create array.
4.Create the raid volume as desired.
5.Save and exit.
During the Windows XP setup you will need to provide the RAID driver using a pre-formated floppy disk.
Windows will ask you if you want to provide additional drivers and give you the key combination to use to do that.
Try all means to get a smartstart CD.
Normally new version will be able to use on older hardware , but no guarantees.
I have always found it easier to use smartstart CD auto mode.
You can also do the install and then run ntssd to update all the drivers etc., but I don't recommend it for novices. Use the auto mode , it takes longer but safely and surely.
As of now you can
Select "F2" to accept data loss and re-enable logical drive. This Load OS Normally . It seems that one of the HDD in the RAID 5 has failed , Did you notice any LED indications like red or amber on the HDDs ?? if so get that hdd replaced . Make sure the Failed HDD is replaced . You can run the Array Diagnostic Utility from HP System tools to check the Failed Drives and also frimware version of the controller . If the frimware is not latest Update it from HP website. DL380 G4 should have Smart Array 6i controller .
You don't say whether or not your os is on the RAID 5 partition. Assuming that it is (for performance reasons, this is not recommended) then you should check to see if you have the option of configuring a separate raid configuration on your raid card (e.g. do you have a card with more then one RAID channel?) If this is so, I would create a separate RAID 1 array and install the OS just on that. Then you can mount the RAID 5 array with your data intact. Once you're up and running, you can remove the old OS partition, as it's no longer needed.
your system is failing it's Power on Self Test (known as POST) the beeps are a code which tells you where it is failing.
unfortunately the codes mean different things for different motherboards, however common faults include Graphics card fault (try reseating) and Memory failure.
If you look at the Manaul for the tx300 S2 there is a section on the diagnostic LEDs, I suggest you have a look, as it may help to diagnose your problem (it can identify faulty components)