Standalone backup agent for Linux servers and workstations on-premises or in the public cloud
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kallenp
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[MERGED] Snapshot overflow

Post by kallenp » Nov 13, 2017 8:48 pm

Hi, can I ask for a help, what may be wrong ?
Now, we download TRIAL of Veeam Agent for Linux (Server) and we need to backup 1.2 TB to SMB/CIFS share.

Screenshot here...
https://nextcloud.kallen.cz/index.php/s/QIE3puRm1b3tM4B

Thanks for a help - this is really urgent for us.
Support case ID we doesn't have - now, we are only trying this product for our environment.
Petr Kallen

PTide
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Re: Snapshot overflow

Post by PTide » Nov 13, 2017 9:33 pm

Hi,

There are too many factors that should be taken into account before tweaking anything. I suggest you to contact our support team directly so they can take a closer look. Please also collect logs from the system (use 'M' button on the main screen)

P.S. Yes, FREE version users are also eligible for support, however there is no SLA, so support is provided on the best effort basis.

Thank you

kallenp
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Re: Snapshot overflow

Post by kallenp » Nov 16, 2017 4:39 pm

My case id is: 02386336

Thanks,
Petr

zyrex
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Re: Snapshot overflow

Post by zyrex » Jan 21, 2018 7:57 pm

Got the same problem after new years, backup up several TBs, but getting snapshot overflow even though I can't see much writing to disk.

PTide
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Re: Snapshot overflow

Post by PTide » Jan 23, 2018 2:39 pm

Hi,

Normally, in case of snapshot overflow Agent should attempt 3 retries, increasing snapshot data file size before each retry. If that has happened but the session still ends up with an overflow then please contact our support team directly so they can advise on how to tune your snapshot properly.

Thanks

Glitch
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Re: Snapshot overflow

Post by Glitch » Feb 14, 2018 7:57 am

Hello,

And is it possible to have the instructions by MP?
We also have the same error on one of our jobs that goes into

Thank you

PTide
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Re: Snapshot overflow

Post by PTide » Feb 14, 2018 1:48 pm

Hi,

If all three retries haven't managed to adjust snapshot parameters then please contact support team directly on that as manual tuning might be required.

Thank you

RalfGoe
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Re: Snapshot overflow

Post by RalfGoe » Feb 23, 2018 9:47 am 1 person likes this post

We encountered the same problem with an rhel6 oracle application server - case #02626516 just created.

JWijtman
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Re: Snapshot overflow

Post by JWijtman » Feb 28, 2018 9:37 am

We are experiencing the same problem with RHEL, open case {02631548}.
I have uploaded all the log files with the case

Backing up vg_local
Snapshot overflow
Snapshot overflow
Failed to perform managed backup

horizn
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Snapshot overflow error

Post by horizn » Mar 06, 2018 4:28 pm

I am trying to make an entire system snapshot to remote server, but unfortunately it throwing following error:

[code]16:07:37 Job Server started at 2018-03-06 16:07:37 GMT
16:07:41 Preparing to backup
16:07:42 Waiting for backup infrastructure resources availability 00:00:02
16:07:44 Creating volume snapshot 00:02:13
16:09:57 Starting full backup to [server] Endpoint Repository
16:12:04 Backing up BIOS bootloader on /dev/sda 00:00:01
16:12:05 [error] Backing up sda 00:02:12
16:14:17 [error] Failed to perform backup
16:14:17 [error] Snapshot overflow
16:14:17 [error] Snapshot overflow
16:14:17 [error] Processing finished with errors at 2018-03-06 16:14:17 GMT
[/code]
I've seen very similar topic, but instructions how to workaround have been sent by PM only.

danypd69
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Re: Snapshot overflow error

Post by danypd69 » Mar 06, 2018 8:22 pm

I am getting the same error but with a single disk backup.

The log messages in the server are the following

Code: Select all

[06.03.2018 21:10:18] <140025018693376> vsnap  | Creating snapshot file (path: /bigdisk/veeamsnapdata_stretch_{8c73d7a2-f0d4-4f32-ba47-8a072ba3817f}_#2, length: 4294967296)
[06.03.2018 21:10:18] <140025018693376> vsnap  |   Initializing snapshot file with 'fiemap' (flags: 2)
[06.03.2018 21:10:18] <140025018693376> vsnap  |   Allocating new snapshot file (path: /bigdisk/veeamsnapdata_stretch_{8c73d7a2-f0d4-4f32-ba47-8a072ba3817f}_#2, size: 4294967296)
[06.03.2018 21:12:07] <140025284060928>        | Thread started. Thread id: 140025284060928, parent id: 140025294550784, role: Client processor thread
[06.03.2018 21:12:07] <140025284060928> net    | Client connected...
[06.03.2018 21:12:07] <140024379074304>        | Thread started. Thread id: 140024379074304, parent id: 140025284060928, role: peer local sock peer
[06.03.2018 21:12:07] <140024379074304> lpbcore| Starting proxystub protocol dispatch loop.
[06.03.2018 21:12:07] <140025284060928>        | Thread finished. Role: 'Client processor thread'.
[06.03.2018 21:12:07] <140025008203520>        | Thread started. Thread id: 140025008203520, parent id: 140025294550784, role: Client processor thread
[06.03.2018 21:12:07] <140025008203520> net    | Client connected...
[06.03.2018 21:12:07] <140025284060928>        | Thread started. Thread id: 140025284060928, parent id: 140025008203520, role: peer local sock peer
[06.03.2018 21:12:07] <140025284060928> lpbcore| Starting proxystub protocol dispatch loop.
[06.03.2018 21:12:07] <140024379074304> lpbcore| Starting proxystub protocol dispatch loop. ok.
[06.03.2018 21:12:07] <140025008203520>        | Thread finished. Role: 'Client processor thread'.
[06.03.2018 21:12:07] <140024379074304>        | Closing socket device.
[06.03.2018 21:12:07] <140024379074304>        | Thread finished. Role: 'peer local sock peer'.
[06.03.2018 21:12:07] <140025284060928> lpbcore| Starting proxystub protocol dispatch loop. ok.
[06.03.2018 21:12:07] <140025284060928>        | Closing socket device.
[06.03.2018 21:12:07] <140025284060928>        | Thread finished. Role: 'peer local sock peer'.
[06.03.2018 21:12:19] <140024389564160> vsnap  |   Stretch snapshot data. Overflow command received. ErrorCode=4294967274
[06.03.2018 21:12:19] <140024389564160> vsnap  |   Snapstore filled 8192 MiB
[06.03.2018 21:12:24] <140025060652800> vsnap  |   Reading snapshot errno for device [252:1].
[06.03.2018 21:12:24] <140025060652800> vsnap  |     errno=SUCCESS
[06.03.2018 21:12:24] <140025060652800> vsnap  |   Reading snapshot errno for device [252:17].
[06.03.2018 21:12:24] <140025060652800> vsnap  | ERR |errno=-61
[06.03.2018 21:12:24] <140025060652800> lpbcore|   Checking fail 'No space for snapshot'
[06.03.2018 21:12:24] <140025060652800> vsnap  |     Stretch snapshot data thread complete
[06.03.2018 21:12:24] <140024389564160> vsnap  | Stretch snapshot data thread ok.
[06.03.2018 21:12:24] <140024389564160>        | Thread finished. Role: 'IThread'.
[06.03.2018 21:12:24] <140025060652800> vsnap  |     Stretch snapshot data thread complete ok.
[06.03.2018 21:12:24] <140025060652800> lpbcore|   Checking fail 'No space for snapshot' ok.
[06.03.2018 21:12:25] <140025060652800> lpbcore| ERR |Snapshot overflow
[06.03.2018 21:12:25] <140025060652800> lpbcore| >>  |--tr:Snapshot overflow fail found
[06.03.2018 21:12:25] <140025060652800> lpbcore| >>  |--tr:Failed to execute method [0] for class [lpbcorelib::interaction::proxystub::CSnapshotResourceLockStub].
[06.03.2018 21:12:25] <140025060652800> lpbcore| >>  |An exception was thrown from thread [140025060652800].
[06.03.2018 21:12:25] <140025060652800> vsnap  |   Destroying snapshot, snapshot id: [0xffff880378685280].
[06.03.2018 21:12:27] <140025060652800> vsnap  |   Stretch snapshot data thread complete
[06.03.2018 21:12:27] <140025060652800> vsnap  |   Stretch snapshot data thread complete ok.
[06.03.2018 21:12:27] <140025060652800> vsnap  |   Snapstore cleanup
[06.03.2018 21:12:27] <140025060652800> vsnap  |     Snapstore filled 8192 MiB

IT_LCC
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Re: Snapshot overflow

Post by IT_LCC » Mar 07, 2018 4:27 pm

I also have this problem, can I get the instructions?

B0ris
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Re: Snapshot overflow

Post by B0ris » Mar 10, 2018 7:55 am

I also have this problem. Can you send me instructions please ?

PTide
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Re: Snapshot overflow

Post by PTide » Mar 10, 2018 1:22 pm

Hi Boris, Chris,

There is no "silver bullet", every config require different adjustments. Kindly let our support team to review your setups and adjust them.

Thank you

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Re: Snapshot overflow

Post by MrCJ » Mar 15, 2018 1:07 pm

I seem to be getting this same snapshot overflow issue on my newly configured job, system is as details below :-

Ubuntu 16.04lts
Sda1 10Gb - No issues
Sdb1 5TB - mounted to /media/XYZ-XZY - ext4 fs holding samba shares and mounted via UUID in fstab

sda backs up ok.
sdb snapshot overflow - doesn't seem to try and capture anything at all.

Please can I have the instructions to resolve?
Thanks
CJ

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