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Unable to set up Snapshot backups: Data not present on LUN

kofchur
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HI all,  I'm getting a bizzar "Data not present on LUN" message from dfm backup diag that seems to be hindering my setting up of snapshot backups:

Running:

OnCommand 5.1

Red Hat Enterprise Linux Server release 6.2

HUK 6.1

Snapdrive 5.2

DM-Multipath

ISCSI

[root@fgprd-oncommand-cdot-app001 dfm_data]# dfm backup create -t snapshot dfm_backup_test.sndb

Error: You can create a Snapshot based database backup only when the following

condition is met:

DataFabric Manager server data should reside on a dedicated SnapDrive managed LUN.

[root@fgprd-oncommand-cdot-app001 dfm_data]# dfm backup diag

Sybase Data Directory:      /dfm_data/data/

Sybase Log Directory :      /dfm_data/data/

Performance Data Directory: /dfm_data/perfdata

Script-plugins Directory:   /dfm_data/script-plugins

Reports Archive Directory:  /dfm_data/reports/

Plugins Directory:          /dfm_data/plugins

Database Hosting System:    localhost

SnapDrive Installed:        Yes

SnapDrive Version:          5.2

SnapDrive Status:           Passed(Data not present on LUN)

Volume Snapshot Status:     NA

Backup Destination:         /dfm_data/data/

Number of backups possible: 131

Backup Retention Count:     no limit

Allowed Backup Type:        Archive (ndb)

[root@fgprd-oncommand-cdot-app001 dfm_data]# pwd

/dfm_data

[root@fgprd-oncommand-cdot-app001 dfm_data]# ls

conf  data  lost+found  perfdata  plugins  reports  script-plugins

[root@fgprd-oncommand-cdot-app001 dfm_data]# ls /dfm_data/data

dfm_backup_2013-06-21_21-13-24.ndb  monitordb.db  monitordb.log

[root@fgprd-oncommand-cdot-app001 dfm_data]# ls /dfm_data/perfdata

perf_20_138_12  perf_21_139_5  perf_22_140_2  perf_23_141_4   perf_24_353_19  perf_25_354_9   perf_26_355_14  perf_27_356_41  perf_29_138_4  perf_30_139_2  perf_32_130_5   perf_36_139_32

perf_20_139_12  perf_21_140_5  perf_22_141_2  perf_23_353_5   perf_24_354_19  perf_25_355_9   perf_26_356_14  perf_28_138_3   perf_29_139_4  perf_30_140_2  perf_32_136_5   perf_36_140_32

perf_20_140_12  perf_21_141_5  perf_22_353_3  perf_23_354_5   perf_24_355_19  perf_25_356_8   perf_27_138_43  perf_28_139_3   perf_29_140_4  perf_30_141_2  perf_33_130_3   perf_36_141_32

perf_20_141_12  perf_21_353_5  perf_22_354_3  perf_23_355_5   perf_24_356_18  perf_26_138_14  perf_27_139_41  perf_28_140_3   perf_29_141_4  perf_30_353_2  perf_33_136_4   perf_36_353_32

perf_20_353_15  perf_21_354_5  perf_22_355_3  perf_23_356_5   perf_25_138_8   perf_26_139_14  perf_27_140_42  perf_28_141_3   perf_29_353_4  perf_30_354_2  perf_34_130_7   perf_36_354_32

perf_20_354_15  perf_21_355_5  perf_22_356_3  perf_24_138_17  perf_25_139_8   perf_26_140_14  perf_27_141_43  perf_28_353_4   perf_29_354_4  perf_30_355_2  perf_34_136_7   perf_36_355_32

perf_20_355_15  perf_21_356_5  perf_23_138_4  perf_24_139_17  perf_25_140_8   perf_26_141_14  perf_27_353_43  perf_28_354_4   perf_29_355_4  perf_30_356_2  perf_35_130_14  perf_36_356_32

perf_20_356_15  perf_22_138_2  perf_23_139_4  perf_24_140_17  perf_25_141_8   perf_26_353_14  perf_27_354_43  perf_28_355_4   perf_29_356_4  perf_31_130_3  perf_35_136_15

perf_21_138_5   perf_22_139_2  perf_23_140_4  perf_24_141_17  perf_25_353_9   perf_26_354_14  perf_27_355_43  perf_28_356_4   perf_30_138_2  perf_31_136_3  perf_36_138_32

[root@fgprd-oncommand-cdot-app001 dfm_data]# df -h

Filesystem            Size  Used Avail Use% Mounted on

/dev/sda2             9.6G  5.1G  4.1G  56% /

tmpfs                 5.9G     0  5.9G   0% /dev/shm

/dev/sda1             248M   30M  207M  13% /boot

10.2.9.200:/vol/asp/asp

                      200G  171G   29G  86% /mnt/asp

/dev/mapper/360a98000572d434964347274654d6154

                       50G  721M   47G   2% /dfm_data

[root@fgprd-oncommand-cdot-app001 dfm_data]# snapdrive storage show -all

WARNING: This operation can take several minutes
          based on the configuration.

Connected LUNs and devices:

device filename        adapter path    size    proto   state   clone      lun path                     backing snapshot
----------------        ------- ----    ----    -----   -----   -----      --------                     ----------------
/dev/mapper/360a98000572d434964347274654d6154     -     P       50g     iscsi   online  No         cse01b-va3:/vol/prd_iscsi_dfm/dfmdb_lun01    -

But as you can see, there is no missing data and all the appropriate directories are on the same iSCSI LUN and snapdrive can see it.  Thanks in advanced!

-todd

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