Hello, my dl380 g4 have 4 hard disks with the first one configured for
the OS (Win 2K sp4) and the remaining 3 as RAID 5 (drive D:). suddenly
i lost D: drive and upon checking it says the logical drives are
disabled because of a problem. rebooting produces the following message:
779 - Slot 0 Drive Array - Replacement drive(s) detected OR previously failed drive(s) now appear to be operational.
SCSI Port 2: SCSI ID 2
Logical drive(s) disabled due to possible data loss.
Select "F1" to continue with logical drive(s) disabled
Select "F2" to accept data loss and re-enable logical drive(s).
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 .
When using Raid 5 you should have a utility that will rebuild the damaged drive? Have you tried running this utility? If it fails then you could have a damaged drive in your array and will need to replace it. Once you replace the damaged drive it will start to rebuild your D: drive.
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Turn the computer off.
Unplug its power-cord.
Connect its power-cord.
Turn the computer on, and enter "BIOS SETUP".
Check the "Boot Options", to ensure that your RAID-array is listed as one (preferably the first) of the bootable devices.
First, it's not booting from a CD or Hard Disk if you've reached that error. The 'last-ditch' effort to boot is to attempt a PXE boot from the network card, but your Ethernet cable isn't plugged in. Unless you know you've setup such a PXE boot server, you'll want to check the BIOS settings to be sure the CD-ROM is set to boot first, followed by the Hard Disc. Be sure you have Disc 1 of the Linux installation set in the CD-ROM Drive and reboot. If you don't get the install screen, you may have another issue (bad CD-ROM Drive, bad cable/controller, no power to CD-ROM, etc.)
Another note on the DL380, if there is a RAID controller, you'll need to setup the RAID before installing the OS. You'll want to make sure your hard drives are properly installed and aren't failed. The RAID configuration screen will verify the RAID status once it has been initialized, which will somewhat verify the drive status.
RAID logically combines several identical disk-drives for better performance or for better reliability.
For better performance, one RAID configuration "stripes" the data, i.e., when you write a block of data, the block is split into "stripes", and each stripe is written to a different disk-drive.
Since each stripe is smaller than the whole block, it is faster to transfer the data in "parallel".
For better reliability, another RAID configuration writes each block of data _identically_ to multiple disk-drives. Thus, if one disk-drive fails, your data still exists on the other disk-drives.
You can then replace the "bad" disk in the array, and use software to "rebuild" this "mirroring" of your data, by copying all the data from one of the "good" disks onto the "new" disk.
So, in your case, one of the disks in your array is failing. Identify it. Replace it. Rebuild your array.
If the server is configured with split SCSI channels these indicate which bays are part of each of the two channels. The common use for this would be to use the split with two drives for a RAID 1 system drive and the remaining four for RAID 5 data or in some cases two sets of RAID 1.
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.
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