7 Replies Latest reply: May 26, 2012 1:42 AM by Berend de Meyer
Berend de Meyer Level 1 Level 1 (10 points)

I have a MacPro (early 2008) 3,1 with a macpro raidcard and 4 WDC Black 1TB HD's. After booting up the system the raidcard gave an error message that

bay 3 had a failure. Indeed hdd 3 was not listed in the system overview anymore. A moment later it was again attatchted to the array RS1 and was "roaming"

 

The raid RS1 was even changed from RAID-5 to RAID 0+1.

 

after a second bootup, my macpro wont boot anymore. I even tried a few keystrokes at bootup;

+Cmd-R

+Option

+Eject

+Shift

 

None of the bootup combinations wokrk anymore...

 

Anybody a suggestion. Help much appreciated!!!

 

Greetings


MacPro (early 2008), Mac OS X (10.7.2), 2.8 GHz | Apple RAID 0-1 | 14GB RAM
  • 1. Re: Diskfailure changed RAID5 to RAID0+1 not bootable. Help needed!
    Grant Bennet-Alder Level 8 Level 8 (49,250 points)

    If you know which drive has failed, remove it and see if the symptoms change.

     

    The goal will be to install your spare drive and rebuild the array, if you can get the array to be seen as a RAID 5 again.

  • 2. Re: Diskfailure changed RAID5 to RAID0+1 not bootable. Help needed!
    Berend de Meyer Level 1 Level 1 (10 points)

    Hi Grant,

     

    Thank you very much for your reply! Put a new (exact same productcode) disk in bay 3 but had to startup my mac with the Carbon Copy backup on FW800 external disk.

     

    The array is now an unussable 0+1 array with disk 4 roaming and disk 3 manually assigned as a spare. None of the original partitions are showing in the RAID Utility, so I surely hope they will return after the array has been rebuild!

     

    First time ever encountered this problem since 2008 former 4x320GB and now a 4x1TB setup in RAID5.

     

    Keeping my fingers crossed  

     

    Cheers!!!

  • 3. Re: Diskfailure changed RAID5 to RAID0+1 not bootable. Help needed!
    Grant Bennet-Alder Level 8 Level 8 (49,250 points)

    RAID-ness of an array is not recorded inside your Mac. It is encoded in the drivers partitions on the drives themselves.

     

    I explicitly suggested you physically remove the failing drive so that its unreliable information would not corrupt the entire array into thinking it was something else.

     

    Power down and pull out the bad drive. Do the symptoms change?

  • 4. Re: Diskfailure changed RAID5 to RAID0+1 not bootable. Help needed!
    Berend de Meyer Level 1 Level 1 (10 points)

    Hi Grant,

     

    Thanks!

     

    I allready replaced the failing disk in bay 3 and the array is still rebuilding as mentioned in my previous reply.

    Is it still,possible to pull out the disk 3  like you mentioned and boot the mac, even after 3 hours of rebuilding including the new disk;

     

    Disk3 = spare

    Disk4 = roaming

     

    Cheers!

  • 5. Re: Diskfailure changed RAID5 to RAID0+1 not bootable. Help needed!
    Berend de Meyer Level 1 Level 1 (10 points)

    Hi Grant,

    Morning Grant,

     

    Overnight nothing changed in the RS1:

     

    RS1 is still a 0+1

    Nis1 = allocated

    Nis2 = allocated

    Nis3 = n/a because I pulled out the tray and disk

    Nis4 = ROAMING

     

    Hope the images can give you more insight!

    Schermafbeelding 2012-05-25 om 08.54.27.pngSchermafbeelding 2012-05-25 om 08.54.33.png

  • 6. Re: Diskfailure changed RAID5 to RAID0+1 not bootable. Help needed!
    Berend de Meyer Level 1 Level 1 (10 points)

    Hi Grant,

     

    Changed the raid back with the new disk in bay3

     

    I installed a new disk in bay 3 and the array is still at the follwing state

     

    RS1 = 0+1 / 2TB

     

    Disk1 = assigned

    Disk2 = assigned

    Disk3 = spare

    Disk4 = roaming

     

    As I have read in some fora, is it ok and SAFE to change disk4 from roaming to spare?

     

    Cheers!

  • 7. Re: Diskfailure changed RAID5 to RAID0+1 not bootable. Help needed!
    Berend de Meyer Level 1 Level 1 (10 points)

    Hi Grant,

     

    Let the MAC 'do' its work overnight again, but no luck so far. This morning I studied some fora and these are the listins form within terminal.

     

    Any thoughts?

     

    Thanks in advance

     

    Apple raidutil version: 1.3.0

    General Status: Issues Found

                        The volume [R1V1:RS1  [ID: 1]] is degraded.

                        The volume [R1V2:RS1  [ID: 1]] is degraded.

                        The volume [R1V3:RS1  [ID: 1]] is degraded.

                        The volume [R1V4:RS1  [ID: 1]] is degraded.

                        Raidset (RS1) is not viable.

    Battery Status: Charged

    Controller  #1: Hardware Version 1.00/Firmware M-2.0.5.5

                    Write Cache enabled

     

    Volume            Status            Type       Drives       Size  Comments

    -------------------------------------------------------------------------------- ----

    R1V1              Is Viable         RAID 0+1   1,2      500.00GB  Is Degraded                     

    R1V2              Is Viable         RAID 0+1   1,2      250.00GB  Is Degraded                     

    R1V3              Is Viable         RAID 0+1   1,2      250.00GB  Is Degraded                     

    R1V4              Is Viable         RAID 0+1   1,2        1.00TB  Is Degraded     

     

     

    Drives  Raidset       Size      Flags

    -----------------------------------------------------------------

    Bay #1  RS1             1.00TB   IsMemberOfRAIDSet:RS1 IsReliable

    Bay #2  RS1             1.00TB   IsMemberOfRAIDSet:RS1 IsReliable

    Bay #3  <none>          1.00TB   IsSpare IsReliable

    Bay #4  <none>          1.00TB   IsSpare IsReliable