e-lock, object-map, fast-diff,
deep-flatten
flags:
Thanks
Fulvio
---- Original Message
Subject: Re: [ceph-users] Issue with fstrim and Nova
hw_disk_discard=unmap
From: Jason Dillaman
To: Fulvio Galeazzi
CC: Ceph Users
Date: 03/13/2018 06:33 PM
Can
>
> By the way, I think I forgot to mention that underlying OSD disks are
> taken from a FibreChannel storage (DELL MD3860, which is not capable of
> presenting JBOD so I present single disks as RAID0) and XFS formatted.
>
> Thanks!
>
> Fulv
nting JBOD so I present single disks as RAID0) and XFS formatted.
Thanks!
Fulvio
Original Message --------
Subject: Re: [ceph-users] Issue with fstrim and Nova hw_disk_discard=unmap
From: Jason Dillaman
To: Fulvio Galeazzi
CC: Ceph Users
Date: 03/14/2018 0
> order 22 (4096 kB objects)
> block_name_prefix: rbd_data.9e7ffe238e1f29
> format: 2
> features: layering, exclusive-lock, object-map, fast-diff,
> deep-flatten
> flags:
>
> Thanks
>
> Fulvio
>
>
> --
: rbd_data.9e7ffe238e1f29
format: 2
features: layering, exclusive-lock, object-map, fast-diff,
deep-flatten
flags:
Thanks
Fulvio
Original Message
Subject: Re: [ceph-users] Issue with fstrim and Nova hw_disk_discard=unmap
From: Jason Dillaman
Can you provide the output from "rbd info /volume-80838a69-e544-47eb-b981-a4786be89736"?
On Tue, Mar 13, 2018 at 12:30 PM, Fulvio Galeazzi
wrote:
> Hallo!
>
>> Discards appear like they are being sent to the device. How big of a
>> temporary file did you create and then delete? Did you sync the
Discards appear like they are being sent to the device. How big of a
temporary file did you create and then delete? Did you sync the file
to disk before deleting it? What version of qemu-kvm are you running?
On Tue, Mar 13, 2018 at 11:09 AM, Fulvio Galeazzi
wrote:
> Hallo Jason,
> thanks for
Hallo!
Discards appear like they are being sent to the device. How big of a
temporary file did you create and then delete? Did you sync the file
to disk before deleting it? What version of qemu-kvm are you running?
I made several test with commands like (issuing sync after each operation):
d
Hallo Jason,
thanks for your feedback!
Original Message >> * decorated a CentOS image with
hw_scsi_model=virtio--scsi,hw_disk_bus=scsi> > Is that just a typo for
"hw_scsi_model"?
Yes, it was a typo when I wrote my message. The image has virtio-scsi as
it should.
I see
On Mon, Mar 12, 2018 at 9:54 AM, Fulvio Galeazzi
wrote:
> Hallo all,
> I am not sure RBD discard is working in my setup, and I am asking for
> your help.
> (I searched this mailing list for related messages and found one by
> Nathan Harper last 29th Jan 2018 "Debugging fstrim issues" w
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