Re: [ovirt-users] oVirt storage best practise

2017-06-12 Thread Stefano Bovina
Thank you very much. What about "direct lun" usage and database example? 2017-06-08 16:40 GMT+02:00 Elad Ben Aharon <ebena...@redhat.com>: > Hi, > Answer inline > > On Thu, Jun 8, 2017 at 1:07 PM, Stefano Bovina <bov...@gmail.com> wrote: > >> H

[ovirt-users] oVirt storage best practise

2017-06-08 Thread Stefano Bovina
Hi, does a storage best practise document for oVirt exist? Some examples: oVirt allows to extend an existing storage domain: Is it better to keep a 1:1 relation between LUN and oVirt storage domain? If not, is it better to avoid adding LUNs to an already existing storage domain? Following the

Re: [ovirt-users] High latency on storage domains and sanlock renewal error

2017-05-13 Thread Stefano Bovina
:128 active ready running 2017-05-13 18:50 GMT+02:00 Juan Pablo <pablo.localh...@gmail.com>: > can you please give the output of: > multipath -ll > and > iscsiadm -m session -P3 > > JP > > 2017-05-13 6:48 GMT-03:00 Stefano Bovina <bov...@gmail.com>: >

Re: [ovirt-users] High latency on storage domains and sanlock renewal error

2017-05-13 Thread Stefano Bovina
of multipath, with a dedicated raid group and ioping don't report latency. 2017-05-13 2:00 GMT+02:00 Juan Pablo <pablo.localh...@gmail.com>: > sorry to jump in, but what kernel version are you using? had similar issue > with kernel 4.10/4.11 > > > 2017-05-12 16:36 GMT-03:0

Re: [ovirt-users] High latency on storage domains and sanlock renewal error

2017-05-12 Thread Stefano Bovina
s, Stefano 2017-05-08 11:56 GMT+02:00 Yaniv Kaul <yk...@redhat.com>: > > > On Mon, May 8, 2017 at 11:50 AM, Stefano Bovina <bov...@gmail.com> wrote: > >> Yes, >> this configuration is the one suggested by EMC for EL7. >> > > https://access.redhat.c

Re: [ovirt-users] High latency on storage domains and sanlock renewal error

2017-05-08 Thread Stefano Bovina
it should be fine. 2017-05-08 9:39 GMT+02:00 Yaniv Kaul <yk...@redhat.com>: > > On Sun, May 7, 2017 at 1:27 PM, Stefano Bovina <bov...@gmail.com> wrote: > >> Sense data are 0x0/0x0/0x0 > > > Interesting - first time I'm seeing 0/0/0. The 1st is usually 0x2 (see

Re: [ovirt-users] VM disk update failure

2017-05-08 Thread Stefano Bovina
Hi, Ok, ignore what I said regards step 2. The volume exists. 2017-05-07 20:27 GMT+02:00 Stefano Bovina <bov...@gmail.com>: > Hi, > 1) > What do you need exactly? Shutdown VM, edit disk, "extend size by" ---> > error > > 2) > storage domain is up and runn

Re: [ovirt-users] High latency on storage domains and sanlock renewal error

2017-05-08 Thread Stefano Bovina
oalua failbackimmediate rr_weight uniform no_path_retry 60 rr_min_io 1 } } Regards, Stefano 2017-05-07 8:36 GMT+02:00 Yaniv Kaul <yk...@redhat.com>: > > > On Tue, May 2, 2017 at 11:09 PM, Stefa

[ovirt-users] VM disk update failure

2017-05-07 Thread Stefano Bovina
Hi, while trying to update a VM disk, a failure was returned (forcing me to add a new disk) Any advice on how to resolve this error? Thanks Installation info: ovirt-release35-006-1.noarch libgovirt-0.3.3-1.el7_2.1.x86_64 vdsm-4.16.30-0.el7.centos.x86_64 vdsm-xmlrpc-4.16.30-0.el7.centos.noarch

[ovirt-users] High latency on storage domains and sanlock renewal error

2017-05-07 Thread Stefano Bovina
Hi, the engine logs show high latency on storage domains: "Storage domain experienced a high latency of 19.2814 seconds from .. This may cause performance and functional issues." Looking at host logs, I found also these locking errors: 2017-05-02 20:52:13+0200 33883 [10098]: s1 renewal