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duffbeer2000

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Posts posted by duffbeer2000

  1. Hi Joe L.

     

    thanks for the response. I use unRAID version 5.0.5 32bit

    The disk didn't respond to any smartctl command after the preclear ended with this message, it's completely un-responsive. I tried a dd to clear the mbr, that worked. After that I tried it with more then 1024 bytes and it crashed so I'll return that drive because I think it's bad. Testing in 2 other systems reproduced that error so the disk controller of my unRAID Server cannot be the problem.

     

    Duff

  2. Hi togehter, I have new 4TB disk and tried to preclear it in two different servers. I alwas get the following message at the end:

     

    =                unRAID server Pre-Clear disk /dev/sdg

    =              cycle 1 of 1, partition start on sector 1

    = Disk Pre-Clear-Read completed                                                  DONE

    = Step 1 of 10 - Copying zeros to first 2048k bytes                      DONE

    = Step 2 of 10 - Copying zeros to remainder of disk to clear it      DONE

    = Step 3 of 10 - Disk is now cleared from MBR onward.                  DONE

    = Step 4 of 10 - Clearing MBR bytes for partition 2,3 & 4              DONE

    = Step 5 of 10 - Clearing MBR code area                                        DONE

    = Step 6 of 10 - Setting MBR signature bytes                                DONE

    = Step 7 of 10 - Setting partition 1 to precleared state                DONE

    = Step 8 of 10 - Notifying kernel we changed the partitioning      DONE

    = Step 9 of 10 - Creating the /dev/disk/by* entries                      DONE

    = Step 10 of 10 - Verifying if the MBR is cleared.                            DONE

    =

    Elapsed Time:  11:48:47

    ========================================================================1.15

    ==

    == SORRY: Disk /dev/sdg MBR could NOT be precleared

    ==

    == out4= 00000

    == out5= 00000

    ============================================================================

    0+0 records in

    0+0 records out

    0 bytes (0 B) copied, 7.1247e-05 s, 0.0 kB/s

    0000000

     

    After that I have to reboot that preclear recognizes that drive again and if i run a preclear_disk.sh -t /dev/sdg it says:

     

    ################################################################## 1.15

    Device Model:    WDC WD40EFRX-68WT0N0

    Serial Number:    WD-WCC4E1714880

    LU WWN Device Id: 5 0014ee 2b4d4275f

    Firmware Version: 80.00A80

    User Capacity:    4,000,787,030,016 bytes [4.00 TB]

     

    Disk /dev/sdg: 4000.8 GB, 4000787030016 bytes

    255 heads, 63 sectors/track, 486401 cylinders, total 7814037168 sectors

    Units = sectors of 1 * 512 = 512 bytes

    Sector size (logical/physical): 512 bytes / 4096 bytes

    I/O size (minimum/optimal): 4096 bytes / 4096 bytes

    Disk identifier: 0xf3034ac4

     

      Device Boot      Start        End      Blocks  Id  System

    ########################################################################

    failed test 1

    failed test 2 00000 00000 00000 00000

    failed test 3 00000 00000 00000 00000

    failed test 5

    failed test 6

    ========================================================================1.15

    ==

    == Disk /dev/sdg is NOT precleared

    == 0 0 4294967295

    ============================================================================

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