Saturday, February 22, 2014

HP DP Mount Requests 'Mount request for medium'

[Warning] From: BSM@cellserver01.in.com "Backup_spec_15"  Time: 2/13/2014 9:00:27 PM
 Medium "c02cbeed:aaaa:0001" in device "HP:Ultrium 2-SCSI_ Dev001"
 in the pool " Dev001_media" cannot be appended.
 Medium label is: "THU02a"

[Normal] From: BMA@Server01.in.com " HP:Ultrium 2-SCSI_ Dev001"  Time: 2/13/2014 9:00:40 PM
 Tape0:0:0:0
 Medium header verification completed, 0 errors found.

This is a Warning message that DP produces and it can continue with any other good tape if found in the media pool. If not, then the backup would pause with Mount request for medium with the message like below.

[Warning] From: BSM@cellserver01.in.com "HP:Ultrium 2-SCSI_Dev001"  Time: 2/13/2014 9:00:40 PM
    ___________________________________________________________________
    Mount request for medium:
        MediumId        : c02cbeed:aaaa:0001
        Label               : MON02a
        Location          :
        Device             : HP:Ultrium 2-SCSI_Dev001
        Host                : Server01.in.com
        Physical device : Tape0:0:0:0
    ___________________________________________________________________

[Normal] From: BSM@cellserver01.in.com "backup_spec_15"  Time: 2/13/2014 9:00:42 PM
 Starting the mount request notification script "/opt/omni/lbi/Mount.sh".

Firstly, check if the respective media pool is set to ‘Appendable’.

Secondly, copy the Medium label and go to the respective media pool. Find the media and it's status to be good.

 v  If the medium condition is good and DP gives out the error. Check the next step
 v  If the medium contains protected objects and has some space left over. Even though the medium has free space, it may either insufficient or otherwise the protected objects may be scattered within the media.

[OR]

  v  The media is expired but the status in ‘Fair’ or ‘Poor’ which DP may not use for backup. Check if you can reuse it by reformatting. If the media still shows ‘Poor’ condition, kindly do not use the medium. Either the backup would fail or data might not be recoverable.

To confirm the MR from DP cell server CLI

# omnistat –mount

SessionID          Type            Status             User
==============================================
2014/01/07-9     Backup   Mount Request   localadmin

# omnimnt -device ' HP:Ultrium 2-SCSI_Dev001' -session 2014/01/07-9
Mount request confirmation sent to the Session Manager.

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