On Thu, Aug 15, 2013 at 1:38 PM, Bob Ball <bob.b...@citrix.com> wrote:
> After running sr-introduce, find the record for the VDI on that SR and > run vdi-introduce using the details from that record.**** > > ** ** > > This will update the managed flag so XAPI knows that it can manipulate it. > Actually #xe sr-create automatically creates the VDI with managed ( RO): false . If I do vdi-forget and then vdi-introduce, it fails with below error # xe vdi-introduce uuid=daff8cde-029e-2c80-d2e4-a3ff012d0342 sr-uuid=43be7e37-ba1e-468b-4366-5c865ab4e1db location=daff8cde-029e-2c80-d2e4-a3ff012d0342 type=system Error code: SR_BACKEND_FAILURE_46 Error parameters: , The VDI is not available, May be duplicate VDI uuids ? #xe sr-scan re-reads the disks and register it as VDI but the managed flag stays to "false". The managed field is RO so I'm not able to update it. Any ideas ? Thanks. > **** > > ** ** > > Bob**** > > ** ** > > *From:* Rushikesh Jadhav [mailto:2rushike...@gmail.com] > *Sent:* 14 August 2013 23:40 > > *To:* Bob Ball > *Cc:* xen-api@lists.xen.org > *Subject:* Re: [Xen-API] How to use iSCSI disk with Xenserver VM**** > > ** ** > > ** ** > > ** ** > > On Thu, Aug 15, 2013 at 3:15 AM, Bob Ball <bob.b...@citrix.com> wrote:**** > > I'd advise you to use sr-introduce rather than sr-create. **** > > ** ** > > You'll have to provide a UUID, but you can generate one based on the > targetIQN perhaps?**** > > ** ** > > Hi Bob,**** > > ** ** > > I have created the sr with type iSCSI and it has successfully created with > vdi-per-LUN iSCSI. Then I created a VBD with**** > > # xe vbd-create bootable=0 device=1 > vdi-uuid=daff8cde-029e-2c80-d2e4-a3ff012d0342 > vm-uuid=dc3c8f17-27bb-86e8-ee28-706ffb680dde **** > > c0d20cbf-58a7-b2db-a4ad-85a357129e37**** > > but Im not able to see it inside VM. When I try to activate the VBD it > throws error like**** > > ** ** > > # xe vbd-plug uuid=c0d20cbf-58a7-b2db-a4ad-85a357129e37 **** > > This operation cannot be performed because the system does not manage this > VDI**** > > vdi: c0d20cbf-58a7-b2db-a4ad-85a357129e37**** > > ** ** > > # xe vbd-param-get uuid=c0d20cbf-58a7-b2db-a4ad-85a357129e37 > param-name=attachable**** > > false (error: Api_errors.Server_error("VDI_NOT_MANAGED", _))**** > > ** ** > > Looks familiar ?**** > > **** > > ** ** > > Bob**** > > ** ** > ------------------------------ > > *From:* Rushikesh Jadhav [2rushike...@gmail.com] > *Sent:* 14 August 2013 22:42**** > > > *To:* Bob Ball > *Cc:* xen-api@lists.xen.org > *Subject:* Re: [Xen-API] How to use iSCSI disk with Xenserver VM**** > > ** ** > > ** ** > > ** ** > > On Thu, Aug 15, 2013 at 2:57 AM, Bob Ball <bob.b...@citrix.com> wrote:**** > > Ah - understood. **** > > ** ** > > **** > > Thanks. **** > > ** ** > > The iSCSI SR will of course be logged in while the SR is plugged on the > host (through the PBD).**** > > ** ** > > You could potentially use a hook script (create files called vm-pre-start > and vm-post-destroy in /etc/xapi.d) to create the SR dynamically, but > beyond that there isn't currently a way to only have the iSCSI target > logged in when the VM is booted.**** > > ** ** > > ** ** > > Hopefully the sr-create will not auto format the luns on every mount :)*** > * > > Thanks for your help. I'll report back if any success on this.**** > > **** > > Bob**** > > ** ** > ------------------------------ > > *From:* Rushikesh Jadhav [2rushike...@gmail.com] > *Sent:* 14 August 2013 22:22 > *To:* Bob Ball > *Cc:* xen-api@lists.xen.org > *Subject:* Re: [Xen-API] How to use iSCSI disk with Xenserver VM**** > > ** ** > > ** ** > > On Thu, Aug 15, 2013 at 2:31 AM, Bob Ball <bob.b...@citrix.com> wrote:**** > > Hi, **** > > ** ** > > You can create an SR using the undocumented and unsupported > "iscsi" type and set the device config target and targetIQN values - this > will set up a single VDI which is a raw lun.**** > > ** ** > > ** ** > > Thanks Bob but I'm looking for a generic way in which I would be storing > the LUN info in VM properties other-config (MRW) or if possible in VBD > other config such that whenever VM tries to boot, the hook will login on > iSCSI target and pass the device. I think this needs be handled by blktap > rather than XAPI or SMAPI, what you say ?**** > > **** > > Attach that VDI to a guest and it should be what you're looking for?**** > > ** ** > > Trying to automate it.**** > > **** > > ** ** > > Thanks,**** > > ** ** > > Bob**** > > ** ** > ------------------------------ > > *From:* xen-api-boun...@lists.xen.org [xen-api-boun...@lists.xen.org] on > behalf of Rushikesh Jadhav [2rushike...@gmail.com] > *Sent:* 14 August 2013 16:07 > *To:* xen-api@lists.xen.org > *Subject:* [Xen-API] How to use iSCSI disk with Xenserver VM**** > > Hello All, **** > > ** ** > > Since normal Xen supports iSCSI lun as device for xvda, I would like to > know its possibility with Xenserver.**** > > ** ** > > What are the possible ways may be hacky to get it working ? **** > > ** ** > > Since XAPI can now support Ceph as custom drive, how hard it would be to > use same for iSCSI ? **** > > ** ** > > From Xenserver POV, I undestood that Ceph is acting as a SR but I'm > expecting to pass iSCSI lun as raw block device to VM.**** > > ** ** > > Thanks.**** > > ** ** > > ** ** > > ** ** >
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