maximiliani
Technical User
I've got a problem with a Perc 3 controller in a Poweredge 1400. It's *fortunately* not mine, but the sad owner is a customer of mine.
Problem is that i have four drives in two mirror sets, an OS set (windows 2000 Server) and a Data set.
The Perc controller started to behave quirky, i had a harddrive failure upon disk 0 as the Dell utility reported.
Though the Raid controller itself did not really gave me any signals that disk 0 supposed to be wrong (No hard errors or media errors were registered on the drive), but the Dell SCSI Management tool for Windows did. The Consistency check did not approve Dell's SCSI utility findings either.
But i replaced the drive with another diskunit anyway just in case.
From here the scenario gets worse:
Disks are Ultra Wide SCSI-3 (160Mb/s). Though the controller said to deal with an Ultra Wide SCSI 2 (80Mb/s) (that was the replacement disk and taking the serial numbers and production dates out of the concept the disks were identical). That was already odd because the drive details truely reveiled to be an Ultra Wide SCSI 3.
Okay, after checking that i attempted to rebuild the mirror.
It took 25 minutes to rebuild 50% of the drive and it took only three minutes to rebuild the last 50% of the mirror. (Odd point 3)
Okay, well it did finnish without any errors so let's attempt to reboot. Windows 2000, seems to boot normally up to the point you would expect the dialogue "Press CTRL-ALT-Delete to log on" where it reboots without warning.
Okay, i fail the drive that i replaced to see if it would start up in degraded mode.
Nopes, same problem here.
Okay, then i decide to put back drive 0 and fail drive 1 to see if i can still boot with the original drive and then the Raid controller stops to any drive.
I unplug the SCSI cable from channel 1 and i stick it into channel 2.
Alas, no physical or logical drives are detected.
Now i unplug the drive that was reported defective by the Dell Utility and replugin the mirror drive that supposed to be good. I restart the system and i notice that the logical System-drive got spanned across bay 1 and 2 and the logical Data drive got detected on bay 2. (one physical drive on Bay / channel 1 and three on bay / channel 2)
But i already moved the scsi-cable back to channel 1 (bay 1)
It looks like the raid controller *DID* detected the drive configuration in my previous attempts, but did not feel like showing that to me.
Now i'm going to replace the Raid controller as i don't trust the card completely but i have an idea my current mirror-sets will remain garbled up across two channels because the diskconfiguration is saved that way.
How i can i fix that problem?
Regards,
Maximiliani.
Problem is that i have four drives in two mirror sets, an OS set (windows 2000 Server) and a Data set.
The Perc controller started to behave quirky, i had a harddrive failure upon disk 0 as the Dell utility reported.
Though the Raid controller itself did not really gave me any signals that disk 0 supposed to be wrong (No hard errors or media errors were registered on the drive), but the Dell SCSI Management tool for Windows did. The Consistency check did not approve Dell's SCSI utility findings either.
But i replaced the drive with another diskunit anyway just in case.
From here the scenario gets worse:
Disks are Ultra Wide SCSI-3 (160Mb/s). Though the controller said to deal with an Ultra Wide SCSI 2 (80Mb/s) (that was the replacement disk and taking the serial numbers and production dates out of the concept the disks were identical). That was already odd because the drive details truely reveiled to be an Ultra Wide SCSI 3.
Okay, after checking that i attempted to rebuild the mirror.
It took 25 minutes to rebuild 50% of the drive and it took only three minutes to rebuild the last 50% of the mirror. (Odd point 3)
Okay, well it did finnish without any errors so let's attempt to reboot. Windows 2000, seems to boot normally up to the point you would expect the dialogue "Press CTRL-ALT-Delete to log on" where it reboots without warning.
Okay, i fail the drive that i replaced to see if it would start up in degraded mode.
Nopes, same problem here.
Okay, then i decide to put back drive 0 and fail drive 1 to see if i can still boot with the original drive and then the Raid controller stops to any drive.
I unplug the SCSI cable from channel 1 and i stick it into channel 2.
Alas, no physical or logical drives are detected.
Now i unplug the drive that was reported defective by the Dell Utility and replugin the mirror drive that supposed to be good. I restart the system and i notice that the logical System-drive got spanned across bay 1 and 2 and the logical Data drive got detected on bay 2. (one physical drive on Bay / channel 1 and three on bay / channel 2)
But i already moved the scsi-cable back to channel 1 (bay 1)
It looks like the raid controller *DID* detected the drive configuration in my previous attempts, but did not feel like showing that to me.
Now i'm going to replace the Raid controller as i don't trust the card completely but i have an idea my current mirror-sets will remain garbled up across two channels because the diskconfiguration is saved that way.
How i can i fix that problem?
Regards,
Maximiliani.
ut the scsi-cable back into channel 1 and then boot Win2K server from the mirror-drive.