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dcampregher
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is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

Hello!

We are trying to do a backup of one OEL 6.1 server, but the GUI ( Managed Backup ) show the message: No objects to backup.

The Job.log show the my "/backup" volume will be skiped because it is a mpath device. So, all the volumes using OEL are mpath volumes because are in the HPE iSCSI Storage.

Code: Select all

[09.04.2019 11:03:30] <140283577087744> lpbcore| WARN|Device [/dev/sdb] (8:16) is hold mpath device [249:0] and WILL BE SKIPPED.
[09.04.2019 11:03:30] <140283577087744> lpbcore| WARN|Device [/dev/sdc] (8:32) is hold mpath device [249:0] and WILL BE SKIPPED.
[09.04.2019 11:03:30] <140283577087744> lpbcore| WARN|Device [/dev/sdd] (8:48) is hold mpath device [249:2] and WILL BE SKIPPED.
[09.04.2019 11:03:30] <140283577087744> lpbcore| WARN|Device [/dev/sde] (8:64) is hold mpath device [249:2] and WILL BE SKIPPED.
[09.04.2019 11:03:30] <140283577087744> lpbcore| WARN|Device [/dev/sdf] (8:80) is hold mpath device [249:4] and WILL BE SKIPPED.
[09.04.2019 11:03:30] <140283577087744> lpbcore| WARN|Device [/dev/sdg] (8:96) is hold mpath device [249:4] and WILL BE SKIPPED.
[09.04.2019 11:03:30] <140283577087744> lpbcore| WARN|Device [/dev/sdh] (8:112) is hold mpath device [249:5] and WILL BE SKIPPED.
[09.04.2019 11:03:30] <140283577087744> lpbcore| WARN|Device [/dev/sdi] (8:128) is hold mpath device [249:5] and WILL BE SKIPPED.
PTide
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Re: is hold mpath device and WILL BE SKIPPED

Post by PTide »

Hi,

We've never seen such problem before. Please contact our support team directly so they can investigate and post your case ID.

Thanks!
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

Hi.

I activated the crash backup in the JOB and it works.
PTide
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Re: is hold mpath device and WILL BE SKIPPED

Post by PTide »

I activated the crash backup in the JOB and it works.
I am sorry, but you activated WHAT ?? : )

Thanks!
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

The new option in the Updte4a, permit that i make backup from Veeam Agent Linux without the Snapshot, like the NFS directories.
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Re: is hold mpath device and WILL BE SKIPPED

Post by PTide »

Oh, OK, thank you for clarification. I'd like to ask you to contact support anyway because this is certainly not by design and has to be investigated because:

1. Snapshots are expected to work fine on multipath iSCSI devices
2. The log clearly shows that the problem has nothing to do with snapshots and is likely connected with the enumerator.

P.S. Also please keep in mind that the "crash" mode may result in inconsistencies in your backups.

Thanks!
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

I understand, the case was open with ID: 03505036.
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

Using the snapshot-less backup to copy, for example, the /backup/datapump that write the file once a day at 03AM but in this same filesystem the /backup/rman generate the files hourly.

To get consistent backup of /backup/datapump nothing can be write in entire filesystem during the backup or only inside the desired directory?

03505972
PTide
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Re: is hold mpath device and WILL BE SKIPPED

Post by PTide »

To get consistent backup of /backup/datapump nothing can be write in entire filesystem during the backup or only inside the desired directory?
This. As long as nothing modifies the files in /backup/datapump during snapshot-less backup it's all good.

Thanks!
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

The case number is 03505972. Logs up in the FTP.
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Re: is hold mpath device and WILL BE SKIPPED

Post by PTide »

Thank you! While the engineer is reviewing the case, please tell if you're using linux default iscsi initiator for connection to the device, or something else?

Thanks!
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

How can i check this configuration ?
PTide
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Re: is hold mpath device and WILL BE SKIPPED

Post by PTide »

Run this on the server:

Code: Select all

iscsiadm -m session -P 3
Thanks!
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

Code: Select all

iSCSI Transport Class version 2.0-870
version 6.2.0-873.26.el6
Target: iqn.2003-10.com.lefthandnetworks:mg-XXX:194:dbora-prod (non-flash)
        Current Portal: 10.77.77.1:3260,1
        Persistent Portal: 10.77.77.100:3260,1
                **********
                Interface:
                **********
                Iface Name: iscsi-0
                Iface Transport: tcp
                Iface Initiatorname: iqn.1988-12.com.oracle:f3879566f6
                Iface IPaddress: 10.77.77.31
                Iface HWaddress: AC:16:2D:7F:F2:B0
                Iface Netdev: <empty>
                SID: 25
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: LOGGED_IN
                Internal iscsid Session State: NO CHANGE
                *********
                Timeouts:
                *********
                Recovery Timeout: 15
                Target Reset Timeout: 30
                LUN Reset Timeout: 30
                Abort Timeout: 15
                *****
                CHAP:
                *****
                username: <empty>
                password: ********
                username_in: <empty>
                password_in: ********
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 262144
                MaxXmitDataSegmentLength: 262144
                FirstBurstLength: 262144
                MaxBurstLength: 1048576
                ImmediateData: Yes
                InitialR2T: No
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 34 State: running
                scsi34 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sdd          State: running

                **********
                Interface:
                **********
                Iface Name: iscsi-1
                Iface Transport: tcp
                Iface Initiatorname: iqn.1988-12.com.oracle:f3879566f6
                Iface IPaddress: 10.77.77.32
                Iface HWaddress: AC:16:2D:7F:F2:B4
                Iface Netdev: <empty>
                SID: 26
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: LOGGED_IN
                Internal iscsid Session State: NO CHANGE
                *********
                Timeouts:
                *********
                Recovery Timeout: 15
                Target Reset Timeout: 30
                LUN Reset Timeout: 30
                Abort Timeout: 15
                *****
                CHAP:
                *****
                username: <empty>
                password: ********
                username_in: <empty>
                password_in: ********
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 262144
                MaxXmitDataSegmentLength: 262144
                FirstBurstLength: 262144
                MaxBurstLength: 1048576
                ImmediateData: Yes
                InitialR2T: No
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 35 State: running
                scsi35 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sde          State: running
Target: iqn.2003-10.com.lefthandnetworks:mg-XXX:2623:dbora-arc (non-flash)
        Current Portal: 10.77.77.1:3260,1
        Persistent Portal: 10.77.77.100:3260,1
                **********
                Interface:
                **********
                Iface Name: iscsi-0
                Iface Transport: tcp
                Iface Initiatorname: iqn.1988-12.com.oracle:f3879566f6
                Iface IPaddress: 10.77.77.31
                Iface HWaddress: AC:16:2D:7F:F2:B0
                Iface Netdev: <empty>
                SID: 33
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: LOGGED_IN
                Internal iscsid Session State: NO CHANGE
                *********
                Timeouts:
                *********
                Recovery Timeout: 15
                Target Reset Timeout: 30
                LUN Reset Timeout: 30
                Abort Timeout: 15
                *****
                CHAP:
                *****
                username: <empty>
                password: ********
                username_in: <empty>
                password_in: ********
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 262144
                MaxXmitDataSegmentLength: 262144
                FirstBurstLength: 262144
                MaxBurstLength: 1048576
                ImmediateData: Yes
                InitialR2T: No
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 42 State: running
                scsi42 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sdf          State: running

                **********
                Interface:
                **********
                Iface Name: iscsi-1
                Iface Transport: tcp
                Iface Initiatorname: iqn.1988-12.com.oracle:f3879566f6
                Iface IPaddress: 10.77.77.32
                Iface HWaddress: AC:16:2D:7F:F2:B4
                Iface Netdev: <empty>
                SID: 34
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: LOGGED_IN
                Internal iscsid Session State: NO CHANGE
                *********
                Timeouts:
                *********
                Recovery Timeout: 15
                Target Reset Timeout: 30
                LUN Reset Timeout: 30
                Abort Timeout: 15
                *****
                CHAP:
                *****
                username: <empty>
                password: ********
                username_in: <empty>
                password_in: ********
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 262144
                MaxXmitDataSegmentLength: 262144
                FirstBurstLength: 262144
                MaxBurstLength: 1048576
                ImmediateData: Yes
                InitialR2T: No
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 43 State: running
                scsi43 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sdg          State: running
Target: iqn.2003-10.com.lefthandnetworks:mg-XXX:171:dbora-backup (non-flash)
        Current Portal: 10.77.77.1:3260,1
        Persistent Portal: 10.77.77.100:3260,1
                **********
                Interface:
                **********
                Iface Name: iscsi-0
                Iface Transport: tcp
                Iface Initiatorname: iqn.1988-12.com.oracle:f3879566f6
                Iface IPaddress: 10.77.77.31
                Iface HWaddress: AC:16:2D:7F:F2:B0
                Iface Netdev: <empty>
                SID: 37
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: LOGGED_IN
                Internal iscsid Session State: NO CHANGE
                *********
                Timeouts:
                *********
                Recovery Timeout: 15
                Target Reset Timeout: 30
                LUN Reset Timeout: 30
                Abort Timeout: 15
                *****
                CHAP:
                *****
                username: <empty>
                password: ********
                username_in: <empty>
                password_in: ********
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 262144
                MaxXmitDataSegmentLength: 262144
                FirstBurstLength: 262144
                MaxBurstLength: 1048576
                ImmediateData: Yes
                InitialR2T: No
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 46 State: running
                scsi46 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sdh          State: running

                **********
                Interface:
                **********
                Iface Name: iscsi-1
                Iface Transport: tcp
                Iface Initiatorname: iqn.1988-12.com.oracle:f3879566f6
                Iface IPaddress: 10.77.77.32
                Iface HWaddress: AC:16:2D:7F:F2:B4
                Iface Netdev: <empty>
                SID: 38
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: LOGGED_IN
                Internal iscsid Session State: NO CHANGE
                *********
                Timeouts:
                *********
                Recovery Timeout: 15
                Target Reset Timeout: 30
                LUN Reset Timeout: 30
                Abort Timeout: 15
                *****
                CHAP:
                *****
                username: <empty>
                password: ********
                username_in: <empty>
                password_in: ********
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 262144
                MaxXmitDataSegmentLength: 262144
                FirstBurstLength: 262144
                MaxBurstLength: 1048576
                ImmediateData: Yes
                InitialR2T: No
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 47 State: running
                scsi47 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sdi          State: running
Target: iqn.2003-10.com.lefthandnetworks:mg-XXX:3793:dbora-bkp (non-flash)
        Current Portal: 10.77.77.1:3260,1
        Persistent Portal: 10.77.77.100:3260,1
                **********
                Interface:
                **********
                Iface Name: iscsi-0
                Iface Transport: tcp
                Iface Initiatorname: iqn.1988-12.com.oracle:f3879566f6
                Iface IPaddress: 10.77.77.31
                Iface HWaddress: AC:16:2D:7F:F2:B0
                Iface Netdev: <empty>
                SID: 7
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: LOGGED_IN
                Internal iscsid Session State: NO CHANGE
                *********
                Timeouts:
                *********
                Recovery Timeout: 15
                Target Reset Timeout: 30
                LUN Reset Timeout: 30
                Abort Timeout: 15
                *****
                CHAP:
                *****
                username: <empty>
                password: ********
                username_in: <empty>
                password_in: ********
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 262144
                MaxXmitDataSegmentLength: 262144
                FirstBurstLength: 262144
                MaxBurstLength: 1048576
                ImmediateData: Yes
                InitialR2T: No
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 16 State: running
                scsi16 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sdb          State: running

                **********
                Interface:
                **********
                Iface Name: iscsi-1
                Iface Transport: tcp
                Iface Initiatorname: iqn.1988-12.com.oracle:f3879566f6
                Iface IPaddress: 10.77.77.32
                Iface HWaddress: AC:16:2D:7F:F2:B4
                Iface Netdev: <empty>
                SID: 8
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: LOGGED_IN
                Internal iscsid Session State: NO CHANGE
                *********
                Timeouts:
                *********
                Recovery Timeout: 15
                Target Reset Timeout: 30
                LUN Reset Timeout: 30
                Abort Timeout: 15
                *****
                CHAP:
                *****
                username: <empty>
                password: ********
                username_in: <empty>
                password_in: ********
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 262144
                MaxXmitDataSegmentLength: 262144
                FirstBurstLength: 262144
                MaxBurstLength: 1048576
                ImmediateData: Yes
                InitialR2T: No
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 17 State: running
                scsi17 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sdc          State: running
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

The Support tell me that my volumes aren't supported by the VAL. Is it wright ?
PTide
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Re: is hold mpath device and WILL BE SKIPPED

Post by PTide »

Neither I can remember any reason for VAL to not work with multipath devices, nor I recall that limitation being in system requirements. The only known limitation for mpath is related to certain EMC configs which is clearly not your case. Let me check with both support and development teams internally,

Thanks!
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

The answer was:

When we enumerate disks by disk ID, mpath devices show multiple drives with the same drive ID. This is not something which the software can deal with. Therefor, the devices are skipped.

Currently, only DM-multipath devices are supported as per the following KB:
https://www.veeam.com/kb2771
PTide
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Re: is hold mpath device and WILL BE SKIPPED

Post by PTide »

It seems that there was a miscommunication between you and the engineer. I've contacted the support team and Tier 2 engineer is on his way to escalate your case to T2, please keep working with them.

Thanks!
dcampregher
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Re: is hold mpath device and WILL BE SKIPPED

Post by dcampregher »

Hello Tide!

After some checks the engineer discover that the version 2 of VAL work fines and there an issue with the version 3. He collected a lot of logs and now we are running the backups with the snapshot-less mode.
Thanks a lot!
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