Re: [Bright Cluster Manager Support #2699] NFSoRDMA not working with KVM when cache disabled

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Hi Andrew,


In that case I don't know. I would suggest not to disable the cache.

Best regards,

Martijn

On Sat, Sep 1, 2012 at 1:51 PM, Andrew Holway
<support@xxxxxxxxxxxxxxxxxxx>wrote:

>
> <URL: http://support.brightcomputing.com/rt/Ticket/Display.html?id=2699 >
>
> Hi,
>
> That is FULL install (I think)
>
> I create a new virtual machine each time I test it.
>
> Ta,
>
> Andrew
>
>
> On Aug 31, 2012, at 11:20 PM, Martijn de Vries wrote:
>
> > Hi Andrew,
> >
> > That's pretty strange. I am not a KVM expert, so I don't know what
> happens
> > under the hood when you disable cache. Have you tried doing a FULL
> install?
> >
> > Best regards,
> >
> > Martijn
> >
> > On Fri, Aug 31, 2012 at 7:06 PM, Andrew Holway
> > <support@xxxxxxxxxxxxxxxxxxx>wrote:
> >
> >>
> >> Fri Aug 31 19:06:00 2012: Request 2699 was acted upon.
> >> Transaction: Ticket created by a.holway@xxxxxxxxxxxx
> >>       Queue: Bright
> >>     Subject: NFSoRDMA not working with KVM when cache disabled
> >>       Owner: Nobody
> >>  Requestors: a.holway@xxxxxxxxxxxx
> >>      Status: new
> >> Ticket <URL:
> >> http://support.brightcomputing.com/rt/Ticket/Display.html?id=2699 >
> >>
> >>
> >> Hi,
> >>
> >> I am trying to host KVM machines on an NFSoRDMA mount.
> >>
> >> This works:
> >>
> >> -drive file=/mnt/vm001.img,if=none,id=drive-virtio-disk0,format=raw
> >> -device
> >>
> virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0
> >>
> >> This Doesn't!
> >>
> >> -drive
> >> file=/mnt/vm001.img,if=none,id=drive-virtio-disk0,format=raw,cache=none
> >> -device
> >>
> virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=2
> >>
> >> Any ideas why this could be?
> >>
> >> Thanks,
> >>
> >> Andrew
> >>
> >>
> >>
> >> dmesg:
> >>
> >> vda:
> >> vda: vda1
> >> vda: vda1
> >> vda: vda1 vda2
> >> vda: vda1 vda2
> >> vda: vda1 vda2 vda3
> >> vda: vda1 vda2 vda3
> >> vda: vda1 vda2 vda3 vda4 < >
> >> vda: vda1 vda2 vda3 vda4 < >
> >> vda: vda1 vda2 vda3 vda4 < vda5 >
> >> vda: vda1 vda2 vda3 vda4 < vda5 >
> >> vda: vda1 vda2 vda3 vda4 < vda5 vda6 >
> >> vda: vda1 vda2 vda3 vda4 < vda5 vda6 >
> >> Adding 15998968k swap on /dev/vda5.  Priority:-1 extents:1
> across:15998968k
> >> EXT3-fs (vda1): error: can't find ext3 filesystem on dev vda1.
> >>
> >> /var/log/messages
> >>
> >> Aug 31 18:53:46 (none) node-installer: Mounting disks.
> >> Aug 31 18:53:46 (none) node-installer: Updating device status: mounting
> >> disks
> >> Aug 31 18:53:46 (none) node-installer: Detecting device '/dev/sda': not
> >> found
> >> Aug 31 18:53:46 (none) node-installer: Detecting device '/dev/hda': not
> >> found
> >> Aug 31 18:53:46 (none) node-installer: Detecting device '/dev/vda':
> found
> >> Aug 31 18:53:46 (none) node-installer: swapon /dev/vda5
> >> Aug 31 18:53:46 (none) node-installer: mkdir -p /localdisk/
> >> Aug 31 18:53:46 (none) kernel: Adding 15998968k swap on /dev/vda5.
> >> Priority:-1 extents:1 across:15998968k
> >> Aug 31 18:53:46 (none) node-installer: Mounting /dev/vda1 on /localdisk/
> >> Aug 31 18:53:46 (none) node-installer: mount -t ext3 -o
> >> defaults,noatime,nodiratime /dev/vda1 /localdisk/
> >> Aug 31 18:53:46 (none) node-installer: mount: wrong fs type, bad option,
> >> bad superblock on /dev/vda1,
> >> Aug 31 18:53:46 (none) node-installer:        missing codepage or helper
> >> program, or other error
> >> Aug 31 18:53:46 (none) node-installer:        In some cases useful info
> is
> >> found in syslog - try
> >> Aug 31 18:53:46 (none) node-installer:        dmesg | tail  or so
> >> Aug 31 18:53:46 (none) node-installer:
> >> Aug 31 18:53:46 (none) node-installer: Command failed.
> >> Aug 31 18:53:46 (none) node-installer: Running: "mount -t ext3 -o
> >> defaults,noatime,nodiratime /dev/vda1 /localdisk/" failed:
> >> Aug 31 18:53:46 (none) node-installer: Non zero exit code: 32
> >> Aug 31 18:53:46 (none) kernel: EXT3-fs (vda1): error: can't find ext3
> >> filesystem on dev vda1.
> >> Aug 31 18:53:46 (none) node-installer: Failed to mount disks. (Exit code
> >> 12, signal 0)
> >> Aug 31 18:53:46 (none) node-installer: There was a fatal problem. This
> >> node can not be installed until the problem is corrected.
> >> Aug 31 18:53:46 (none) node-installer: The error was: failed to mount
> disks
> >> Aug 31 18:53:46 (none) node-installer: Updating device status: failed to
> >> mount disks
> >>
> >> Aug 31 18:53:28 (none) node-installer: Creating primary partition
> >> /dev/vda3.
> >> Aug 31 18:53:28 (none) node-installer: parted -s -- /dev/vda mkpart
> >> primary ext3 22530 24578
> >> Aug 31 18:53:28 (none) kernel: vda: vda1 vda2 vda3
> >> Aug 31 18:53:28 (none) node-installer: dd if=/dev/zero of=/dev/vda3
> bs=1k
> >> count=4
> >> Aug 31 18:53:28 (none) node-installer: 4+0 records in
> >> Aug 31 18:53:28 (none) node-installer: 4+0 records out
> >> Aug 31 18:53:28 (none) node-installer: 4096 bytes (4.1 kB) copied,
> >> 0.000842261 s, 4.9 MB/s
> >> Aug 31 18:53:28 (none) node-installer: Running partprobe on device:
> >> /dev/vda
> >> Aug 31 18:53:28 (none) kernel: vda: vda1 vda2 vda3
> >>
> >> Aug 31 18:53:45 (none) node-installer: Creating ext3 filesystem on
> >> /dev/vda3
> >> Aug 31 18:53:45 (none) node-installer: mke2fs -j /dev/vda3
> >> Aug 31 18:53:45 (none) node-installer: mke2fs 1.41.12 (17-May-2010)
> >> Aug 31 18:53:45 (none) node-installer: Filesystem label=
> >> Aug 31 18:53:45 (none) node-installer: OS type: Linux
> >> Aug 31 18:53:45 (none) node-installer: Block size=4096 (log=2)
> >> Aug 31 18:53:45 (none) node-installer: Fragment size=4096 (log=2)
> >> Aug 31 18:53:45 (none) node-installer: Stride=0 blocks, Stripe width=0
> >> blocks
> >> Aug 31 18:53:45 (none) node-installer: 125184 inodes, 499968 blocks
> >> Aug 31 18:53:45 (none) node-installer: 24998 blocks (5.00%) reserved for
> >> the super user
> >> Aug 31 18:53:45 (none) node-installer: First data block=0
> >> Aug 31 18:53:45 (none) node-installer: Maximum filesystem
> blocks=515899392
> >> Aug 31 18:53:45 (none) node-installer: 16 block groups
> >> Aug 31 18:53:45 (none) node-installer: 32768 blocks per group, 32768
> >> fragments per group
> >> Aug 31 18:53:45 (none) node-installer: 7824 inodes per group
> >> Aug 31 18:53:45 (none) node-installer: Superblock backups stored on
> blocks:
> >> Aug 31 18:53:45 (none) node-installer: #01132768, 98304, 163840, 229376,
> >> 294912
> >> Aug 31 18:53:45 (none) node-installer:
> >> Aug 31 18:53:45 (none) node-installer: Writing inode tables:
> >> 0/16#010#010#010#010#010 1/16#010#010#010#010#010
> 2/16#010#010#010#010#010
> >> 3/16#010#010#010#010#010 4/16#010#010#010#010#010
> 5/16#010#010#010#010#010
> >> 6/16#010#010#010#010#010 7/16#010#010#010#010#010
> 8/16#010#010#010#010#010
> >>
> 9/16#010#010#010#010#01010/16#010#010#010#010#01011/16#010#010#010#010#01012/16#010#010#010#010#01013/16#010#010#010#010#01014/16#010#010#010#010#01015/16#010#010#010#010#010done
> >> Aug 31 18:53:45 (none) node-installer: Creating journal (8192 blocks):
> done
> >> Aug 31 18:53:45 (none) node-installer: Writing superblocks and
> filesystem
> >> accounting information: done
> >> Aug 31 18:53:45 (none) node-installer:
> >> Aug 31 18:53:45 (none) node-installer: This filesystem will be
> >> automatically checked every 24 mounts or
> >> Aug 31 18:53:45 (none) node-installer: 180 days, whichever comes first.
> >> Use tune2fs -c or -i to override.
> >>
> >>
> >>
> >>
> >>
> >>
> >
> > --
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>
>
>
>

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