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07-08-2020 07:22 AM
07-08-2020 07:22 AM
MSA 2040 Error Disk
Hello,
I have 3 disk with error in one pool, and i have 2 disk (Dedicated Spare) but the Pool not change thisk with the bad disk.
So i dont understand what i need to do, i need change the spare disk with the bad disk manually (put out and put in) or i need use an option to do that?
Can you help please, the pool are un critical state.
Regards.
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07-08-2020 07:27 AM
07-08-2020 07:27 AM
Re: MSA 2040 Error Disk
Hi,
Some questions out of curiosity.
What firmware is your MSA running on? Did the disks fail all at the same day/time?
I had a similar issue several disks being marked as Leftovers - couldn't find any reasonable root cause.
Thnx,
Dardan
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07-08-2020 08:21 AM
07-08-2020 08:21 AM
Re: MSA 2040 Error Disk
Hello,
Version is GL210R004.
I dont know, because the disk are in the state a few months ago.
I have two pool, one pool with 3 disk in that state Degraded (LEFTOVR), the pool 2 is ok, and have 2 disk (Dedicated Spare) so i dont understand why not the storage use this disk Spare to rebuild or replace the disk degraded.
Sorry i dont know much the storage.
Regards
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07-08-2020 09:02 AM
07-08-2020 09:02 AM
Re: MSA 2040 Error Disk
First of all you need to understand MSA architecture. Try below docs to get idea about MSA 2040 product,
SMU guide -> https://support.hpe.com/hpesc/public/docDisplay?docId=c04220794
CLI guide -> https://support.hpe.com/hpesc/public/docDisplay?docId=emr_na-c03791989
User Guide -> https://support.hpe.com/hpesc/public/docDisplay?docId=c03792322
You need to provide few details,
>> Is this array configured as Linear Array or Virtual Array?
>> If configured as Virtual Array then there is no concept of dedicated spare.
>> If you are not sure then please provide below command outputs (mask or hide serial numbers from the output before posting here and it shouldn't be visible in public),
show pools
show disk-groups
show vdisks
show disks
If you find all Vdisk or disk-group state shows as FTOL then you should check for hardware or medium errors for those LEFTOVER drives from logs or events. If no hardware error exists then you can clear metadata and re-configure them as spare drive.
If any of the vdisk or disk-group shows as offline ot QTOF then don't take any action and contact HPE Support
You can also follow below steps and take help,
- Download MSA Log File from the MSA Storage Management Utility (SMU)
- Upload MSA Log File in the MSA Health Check website
- Review Results by clicking through the tabs and saving the PDF report
- Take Action and start improving your MSA availability
There is no cost to use the MSA Health Check. Upload your log file today and check the health status of your MSA.
Hope this helps!
Regards
Subhajit
I am an HPE employee
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07-09-2020 02:50 PM
07-09-2020 02:50 PM
Re: MSA 2040 Error Disk
Hello;
Pool 1, name vd0001 is Raid50, class Linear, status Critical, 12 Disk, 3 Disk Degraded (the disk may containt invalid metadata)
Pool 2, name vd0002 is Raid5, class Lineas, status FTOL, 10 disk, 2 Disk Dedicated SP (disk group vd0002)
So how i can change one or 2 disk Dedicated SP (vd0002) to pool 1 (vd0001) to replace degraded disk or i need to physically remove the disk (Dedicated SP) and the connect it to the bad disk slot?
Can you help please
Regards
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07-09-2020 05:57 PM
07-09-2020 05:57 PM
Re: MSA 2040 Error Disk
You need to first understand below vdisk condition,
"Pool 1, name vd0001 is Raid50, class Linear, status Critical, 12 Disk, 3 Disk Degraded (the disk may containt invalid metadata)"
RAID 50 is a combination of RAID 5 (striping and error correction) and RAID 0 (striping) where RAID 5 sub-arrays are striped together. So if you lose two disks in the same RAID 5 sub-array your data is lost but if you lose 1 disk in each sub-array then your data is intact.
Now in your case vd0001 made with 12 disks so I am assuming each sub-vdisk created with 6 drives. So technically from both 6 drives sub-vdisk if 1 drive failed you still have data access and your vd0001 is alive. You have mentioned 3 drives degraded but still vd0001 shows Critical instead of offline or QTOF which means there was some dedicated spare configured i assume which is also in degraded state. So clarity on your full setup is very important otherwise troubleshooting will be difficult.
So you should verify why 3 drives went into LEFTOVER state and if they have any hardware errors. If so then you may have to replace them. If they don't have any hardware errors then you can clear metadata and re-use them again. Still I would recommend to capture MSA log and verify with HPE support as you have multiple drive degraded situation.
Coming to your other query, yes you can remove dedicated spare from vd0002 and create new dedicated spare for vd0001. You can refer command line guide and refer command "remove spares" and "add spares".
My recommendation would be don't add any spare to vd0001 without fixing LEFTOVER drives otherwise it make situation more worse.
Hope this helps!
Regards
Subhajit
I am an HPE employee
If you feel this was helpful please click the KUDOS! thumb below!
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I work at HPE
HPE Support Center offers support for your HPE services and products when and how you need it. Get started with HPE Support Center today.
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]

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07-10-2020 07:45 AM - edited 07-10-2020 08:04 AM
07-10-2020 07:45 AM - edited 07-10-2020 08:04 AM
Re: MSA 2040 Error Disk
Unfortunately we do not have support from HP, sorry for asking so many questions I am new to this storages, therefore you recommend me to perform the action "clear metadata" on the degraded disks that corresponds to the vd001? Would this not erase any data from the disks? is that the environment is productive and I don't want a disaster to happen.
How i see if the disk have hardware error? i only have remote access.
The 3 Disk have the same message.
I follow the https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=emr_na-a00046239en_us
And i see:
Step 4: Is there more than one drive in a leftover state?
Yes - If there is more than one disk in a leftover state the Vdisk is marked as Degraded or OFFL. Data is at risk in this condition. Extreme care should be taken to preserve data integrity. Do not clear disk metadata when a Vdisk is in a Degraded or OFFL state to try to begin a rebuild or in the hope the rebuild will begin from a Spare. Contact HPE support or the next level of HPE support for further assistance.So can you help me? or i need change Dedicated Spare (vd0002) to (vd0001), or i need buy new disk?
Thanks very much and Regards.
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07-10-2020 07:58 AM
07-10-2020 07:58 AM
Re: MSA 2040 Error Disk
Hello,
If you clear the metadata of a drive it removes all data from the drive. Taking this step should only be done on drives that have not gone into a leftover state due to drive errors.
You will need to review your Event logs to determine why the drives went into a leftover state. If the drives had media errors, you will see Event messages from the drives stating the error type. UREs or Smart Trips are indications to never reuse that drive.
You should also be taking a back up of your data before performing any further troubleshooting on your own. Another option would be to purchase support from HPE for a limited time in order to recover your Vdisk. A log review is needed in order to recover your Vdisk without risking loss of data.
Cheers,
Shawn
I work for Hewlett Packard Enterprise. The comments in this post are my own and do not represent an official reply from HPE. No warranty or guarantees of any kind are expressed in my reply.
I work for HPE
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07-10-2020 08:21 AM
07-10-2020 08:21 AM
Re: MSA 2040 Error Disk
Login to any of the Controller Command line and run below command,
show events both detail
show events both error
Save above command line outputs to some nodepad (better in Notepad++) then search for the serial number of the drives which are in LEFTOVER state. That will give information of if any of the LEFTOVER drive having hardware error.
You haven't confirmed yet that vd0001 had dedicated spare configured or not because for RAID50 it's not possible that after 3 drive failed still your vdisk is up.
It's always recommended to take backup and do any further troubleshooting.
Clear metadata doesn't mean you will have data loss. It depends on which RAID your vdisk is configured. For example if your vdisk configured with RAID5 then more than one drive failed your vdisk will be down and chance of data loss but in this case vd0001 configured with RAID50 which means per sub-vdisk one drive fail allowed and you should have data access. 3rd drive failure will bring down the vdisk for RAID50.
You can perform clear metadata on LEFTOVER drive only in case of no hardware error exist on those drives otherwise you need to replace them.
Hope this helps!
Regards
Subhajit
I am an HPE employee
If you feel this was helpful please click the KUDOS! thumb below!
***********************************************************************
I work at HPE
HPE Support Center offers support for your HPE services and products when and how you need it. Get started with HPE Support Center today.
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]

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07-13-2020 07:54 AM - edited 07-13-2020 10:21 AM
07-13-2020 07:54 AM - edited 07-13-2020 10:21 AM
Re: MSA 2040 Error Disk
Hello,
I use the command of events:
Link from txt file
Can you help me please
Thanks all for your hep.
Regards
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07-13-2020 08:28 AM - edited 07-13-2020 09:09 AM
07-13-2020 08:28 AM - edited 07-13-2020 09:09 AM
Re: MSA 2040 Error Disk
1st of all you shouldn't share drive serial number as per HPE forum policy. Kindly remove the output.
All 3 drives shows hardware errors which may be require replacements.
I see that event 542 logged which indicates data loss for which restore from backup is required as per event descripter guide.
These are not the complete event outputs which I have suggested. It seems you extracted only portion of the events.
It's really difficult to check without getting logs.
As per the event that you have provided on 13th Nov 2019 drive 1.7 logged last event. I am not sure exactly at which point drive went to LEFTOVER state. As last event logged this time then I can assume drive went to LEFTOVER state this tme only but I am not sure during this time if any spare drive was configured to start the rebuild process.
1.11 logged last event 18th Dec 2019. Not sure if this is time this drive went to LEFTOVER state and if any spare drive was configured to start rebuild process.
1.1 logged last event on 13th June 2020. Not sure if this is time this drive went to LEFTOVER state and if any spare drive was configured to start rebuild process.
If you still have data access from vd0001 then few options you have,
>> I would suggest to take data backup. Remove one dedicated spare from vd0002 and assign to vd0001. Then see if rebuild starts and completes. If successful and still vd0001 shows critical then remove 2nd dedicated spare from vd0002 and assign to vd0001.
>> Next option take data backup. Then clear metadata of all 3 drives. Configure them as dedicated spare drive. This should fix all your issue. Now important point we are not sure out 12 drives of vd0001, how many drives having hardware error otherwise rebuild will never complete and it will fail again and again.
>> Next option take data backup. Then delete vd0001. Replace all faulty drives. You need to reverify if out of 12 drives any other drive having hardware issue. Need to replace that as well.
Above suggestions on a best effort basis but ideally this kind of issue you are supposed to log HPE support case to get help.
Hope this helps!
Regards
Subhajit
I am an HPE employee
If you feel this was helpful please click the KUDOS! thumb below!
**********************************************************************
I work at HPE
HPE Support Center offers support for your HPE services and products when and how you need it. Get started with HPE Support Center today.
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]
