[Gluster-users] Gluster 3.8.10 rebalance VMs corruption

[Mahdi Adnan]

I have two volumes, one is mounted using libgfapi for ovirt mount, the other one is exported via NFS-Ganesha for VMWare which is the one im testing now.


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Respectfully
Mahdi A. Mahdi

________________________________
From: Krutika Dhananjay <kdhananj at redhat.com>
Sent: Sunday, March 19, 2017 8:02:19 AM
To: Mahdi Adnan
Cc: gluster-users at gluster.org
Subject: Re: [Gluster-users] Gluster 3.8.10 rebalance VMs corruption



On Sat, Mar 18, 2017 at 10:36 PM, Mahdi Adnan <mahdi.adnan at outlook.com<mailto:mahdi.adnan at outlook.com>> wrote:

Kindly, check the attached new log file, i dont know if it's helpful or not but, i couldn't find the log with the name you just described.

No. Are you using FUSE or libgfapi for accessing the volume? Or is it NFS?

-Krutika


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Respectfully
Mahdi A. Mahdi

________________________________
From: Krutika Dhananjay <kdhananj at redhat.com<mailto:kdhananj at redhat.com>>
Sent: Saturday, March 18, 2017 6:10:40 PM

To: Mahdi Adnan
Cc: gluster-users at gluster.org<mailto:gluster-users at gluster.org>
Subject: Re: [Gluster-users] Gluster 3.8.10 rebalance VMs corruption

mnt-disk11-vmware2.log seems like a brick log. Could you attach the fuse mount logs? It should be right under /var/log/glusterfs/ directory
named after the mount point name, only hyphenated.

-Krutika

On Sat, Mar 18, 2017 at 7:27 PM, Mahdi Adnan <mahdi.adnan at outlook.com<mailto:mahdi.adnan at outlook.com>> wrote:

Hello Krutika,


Kindly, check the attached logs.


--

Respectfully
Mahdi A. Mahdi

________________________________
From: Krutika Dhananjay <kdhananj at redhat.com<mailto:kdhananj at redhat.com>>
Sent: Saturday, March 18, 2017 3:29:03 PM
To: Mahdi Adnan
Cc: gluster-users at gluster.org<mailto:gluster-users at gluster.org>
Subject: Re: [Gluster-users] Gluster 3.8.10 rebalance VMs corruption

Hi Mahdi,

Could you attach mount, brick and rebalance logs?

-Krutika

On Sat, Mar 18, 2017 at 12:14 AM, Mahdi Adnan <mahdi.adnan at outlook.com<mailto:mahdi.adnan at outlook.com>> wrote:

Hi,

I have upgraded to Gluster 3.8.10 today and ran the add-brick procedure in a volume contains few VMs.
After the completion of rebalance, i have rebooted the VMs, some of ran just fine, and others just crashed.
Windows boot to recovery mode and Linux throw xfs errors and does not boot.
I ran the test again and it happened just as the first one, but i have noticed only VMs doing disk IOs are affected by this bug.
The VMs in power off mode started fine and even md5 of the disk file did not change after the rebalance.

anyone else can confirm this ?


Volume info:

Volume Name: vmware2
Type: Distributed-Replicate
Volume ID: 02328d46-a285-4533-aa3a-fb9bfeb688bf
Status: Started
Snapshot Count: 0
Number of Bricks: 22 x 2 = 44
Transport-type: tcp
Bricks:
Brick1: gluster01:/mnt/disk1/vmware2
Brick2: gluster03:/mnt/disk1/vmware2
Brick3: gluster02:/mnt/disk1/vmware2
Brick4: gluster04:/mnt/disk1/vmware2
Brick5: gluster01:/mnt/disk2/vmware2
Brick6: gluster03:/mnt/disk2/vmware2
Brick7: gluster02:/mnt/disk2/vmware2
Brick8: gluster04:/mnt/disk2/vmware2
Brick9: gluster01:/mnt/disk3/vmware2
Brick10: gluster03:/mnt/disk3/vmware2
Brick11: gluster02:/mnt/disk3/vmware2
Brick12: gluster04:/mnt/disk3/vmware2
Brick13: gluster01:/mnt/disk4/vmware2
Brick14: gluster03:/mnt/disk4/vmware2
Brick15: gluster02:/mnt/disk4/vmware2
Brick16: gluster04:/mnt/disk4/vmware2
Brick17: gluster01:/mnt/disk5/vmware2
Brick18: gluster03:/mnt/disk5/vmware2
Brick19: gluster02:/mnt/disk5/vmware2
Brick20: gluster04:/mnt/disk5/vmware2
Brick21: gluster01:/mnt/disk6/vmware2
Brick22: gluster03:/mnt/disk6/vmware2
Brick23: gluster02:/mnt/disk6/vmware2
Brick24: gluster04:/mnt/disk6/vmware2
Brick25: gluster01:/mnt/disk7/vmware2
Brick26: gluster03:/mnt/disk7/vmware2
Brick27: gluster02:/mnt/disk7/vmware2
Brick28: gluster04:/mnt/disk7/vmware2
Brick29: gluster01:/mnt/disk8/vmware2
Brick30: gluster03:/mnt/disk8/vmware2
Brick31: gluster02:/mnt/disk8/vmware2
Brick32: gluster04:/mnt/disk8/vmware2
Brick33: gluster01:/mnt/disk9/vmware2
Brick34: gluster03:/mnt/disk9/vmware2
Brick35: gluster02:/mnt/disk9/vmware2
Brick36: gluster04:/mnt/disk9/vmware2
Brick37: gluster01:/mnt/disk10/vmware2
Brick38: gluster03:/mnt/disk10/vmware2
Brick39: gluster02:/mnt/disk10/vmware2
Brick40: gluster04:/mnt/disk10/vmware2
Brick41: gluster01:/mnt/disk11/vmware2
Brick42: gluster03:/mnt/disk11/vmware2
Brick43: gluster02:/mnt/disk11/vmware2
Brick44: gluster04:/mnt/disk11/vmware2
Options Reconfigured:
cluster.server-quorum-type: server
nfs.disable: on
performance.readdir-ahead: on
transport.address-family: inet
performance.quick-read: off
performance.read-ahead: off
performance.io-cache: off
performance.stat-prefetch: off
cluster.eager-lock: enable
network.remote-dio: enable
features.shard: on
cluster.data-self-heal-algorithm: full
features.cache-invalidation: on
ganesha.enable: on
features.shard-block-size: 256MB
client.event-threads: 2
server.event-threads: 2
cluster.favorite-child-policy: size
storage.build-pgfid: off
network.ping-timeout: 5
cluster.enable-shared-storage: enable
nfs-ganesha: enable
cluster.server-quorum-ratio: 51%


Adding bricks:
gluster volume add-brick vmware2 replica 2 gluster01:/mnt/disk11/vmware2 gluster03:/mnt/disk11/vmware2 gluster02:/mnt/disk11/vmware2 gluster04:/mnt/disk11/vmware2


starting fix layout:
gluster volume rebalance vmware2 fix-layout start

Starting rebalance:
gluster volume rebalance vmware2  start



--

Respectfully
Mahdi A. Mahdi


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