ECS: Missing partition cs_hal and partition unmounted with disk missing in fabric

Summary: During installation or disk replacement a partition can go missing in cs_hal and partition unmounted with disk missing in fabric.

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Symptoms

New disks or New installation 

  1. Confirm that the disks in question have a blank partition (In this example all disks are impacted):
Command:
# cs_hal list disks
Example: 
admin@node1:~> cs_hal list disks
Disks(s):
SCSI Device Block Device Enclosure   Partition Name                      Slot Serial Number       SMART
----------- ------------ ----------- ----------------------------------- ---- ------------------- ------------
/dev/sg1    /dev/sda     /dev/sg0                                        B0   8CGJPA1G            GOOD
/dev/sg2    /dev/sdb     /dev/sg0                                        B1   8CGJPGLG            GOOD
/dev/sg3    /dev/sdc     /dev/sg0                                        B2   8CGJP69G            GOOD
/dev/sg4    /dev/sdd     /dev/sg0                                        B3   8CGJBB0G            GOOD
/dev/sg5    /dev/sde     /dev/sg0                                        B4   8CGK0T8H            GOOD
/dev/sg6    /dev/sdf     /dev/sg0                                        B5   8CGJRWUG            GOOD
/dev/sg7    /dev/sdg     /dev/sg0                                        B6   8CGKLBHG            GOOD
/dev/sg8    /dev/sdh     /dev/sg0                                        B7   8CGK0P3H            GOOD
/dev/sg9    /dev/sdi     /dev/sg0                                        B8   8CGJS1AG            GOOD
/dev/sg10   /dev/sdj     /dev/sg0                                        B9   8CGJBYRG            GOOD
/dev/sg11   /dev/sdk     /dev/sg0                                        B10  8CGJJ5KG            GOOD
/dev/sg12   /dev/sdl     /dev/sg0                                        B11  8CGJP99G            GOOD
/dev/sg13   /dev/sdm     /dev/sg0                                        B12  8CGJ9K8G            GOOD
/dev/sg14   /dev/sdn     /dev/sg0                                        B13  8CGJP3JG            GOOD
/dev/sg15   /dev/sdo     /dev/sg0                                        B14  8CGJUVNG            GOOD
/dev/sg16   /dev/sdp     /dev/sg0                                        B15  8CGJZH5H            GOOD
/dev/sg17   /dev/sdq     /dev/sg0                                        B16  8CGJPXLG            GOOD
/dev/sg18   /dev/sdr     /dev/sg0                                        B17  8CGGWG8G            GOOD
/dev/sg19   /dev/sds     /dev/sg0                                        B18  8CGJN3MG            GOOD
/dev/sg20   /dev/sdt     /dev/sg0                                        B19  8CGKAR0H            GOOD
/dev/sg21   /dev/sdu     /dev/sg0                                        B20  8CGJUP6G            GOOD
/dev/sg22   /dev/sdv     /dev/sg0                                        B21  8CGJNXAG            GOOD
/dev/sg23   /dev/sdw     /dev/sg0                                        B22  8CGL7VZG            GOOD
/dev/sg24   /dev/sdx     /dev/sg0                                        B23  8CGJDKJG            GOOD
/dev/sg25   /dev/sdy     /dev/sg0                                        B24  8CGK1JTH            GOOD
/dev/sg26   /dev/sdz     /dev/sg0                                        B25  8CGJUTPG            GOOD
/dev/sg27   /dev/sdaa    /dev/sg0                                        B26  8CGK0MTH            GOOD
/dev/sg28   /dev/sdab    /dev/sg0                                        B27  8CGJZE0H            GOOD
/dev/sg29   /dev/sdac    /dev/sg0                                        B28  8CGJVVGG            GOOD
/dev/sg30   /dev/sdad    /dev/sg0                                        B29  8CGKBG5G            GOOD
  1. Confirm that the disks are unmounted in fabric:
Command:
# sudo /opt/emc/caspian/fabric/cli/bin/fcli agent disk.disks | grep MISSING -A6 -B14
Example: 
admin@node1:~> sudo /opt/emc/caspian/fabric/cli/bin/fcli agent disk.disks | grep MISSING -A6 -B14
    {
      "capacity_gb" : 0,
      "device" : "UNKNOWN",
      "drive_id" : {
        "product_id" : "STMPSKD1CLAR8000",
        "serial_number" : "ZA1XXD72F",
        "vendor_id" : "SEAGATE"
      },
      "endurance" : -1,
      "firmware" : "UNKNOWN",
      "format" : "UNKNOWN",
      "health" : "UNKNOWN",
      "mount_path" : "UNKNOWN",
      "mount_status" : "UNMOUNTED",
      "operational_status" : "MISSING",
      "owner" : "unassign",
      "reason" : "System does not detect the disk partition. Contact your service provider.",
      "slot" : "UNKNOWN",
      "storage_class" : "UNKNOWN",
      "storage_name" : "UNKNOWN",
      "uuid" : "e1bf9b67-9848-44x0-ad1e-7c8b9b693f33"

Cause

Disks in question have a blank partition.

Resolution

Reach out to Dell technical support referencing this knowledge article.

Affected Products

ECS Appliance

Products

ECS Appliance, ECS Appliance Gen 1, ECS Appliance Gen 2, ECS Appliance Gen 3, ECS Appliance Hardware Series, ECS Appliance Software with Encryption, ECS Appliance Software without Encryption
Article Properties
Article Number: 000071494
Article Type: Solution
Last Modified: 06 فبراير 2026
Version:  4
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