Looks like a version issue - v4 is dead slow, v3 seems to do a "OK" job (at the moment) .. is there a way to change the mount options once a storage domain has been added to the DC ?
Alex On 21 January 2013 12:41, Alex Leonhardt <alex.t...@gmail.com> wrote: > > Additionally, I've just seen this on the console ovirt engine web console > : > > Storage domain storage_domain_2 experienced a high latency of > 6.76029706001 seconds from host HV2. This may cause performance and > functional issues. Please consult your Storage Administrator > > > Alex > > > > On 21 January 2013 12:38, Alex Leonhardt <alex.t...@gmail.com> wrote: > >> Hi All, >> >> This is my current setup: >> >> >> HV1 has : >> storage_domain_1 >> is SPM master >> >> HV2 has : >> storage_domain_2 >> is normal (not master) >> >> >> HV1 has storage_domain_1 mounted via 127.0.0.1 (network name, but hosts >> entry sends it to loopback) >> >> HV2 has storage_domain_2 mounted via 127.0.0.1 (network name, but hosts >> entry sends it to loopback) >> >> >> All VMs on HV1 have its storage set to storage_domain_1 and all VMs on >> HV2 have their storage set to storage_domain_2 >> >> >> My problem now is that after I finally created all the disks on HV2 over >> a super slow mgmt network (ovirtmgmt), it's a 100 Mbit only, I'm now trying >> to kickstart all the VMs I created, however, formatting the disk is taking >> for ever ~ 20-30mins for 12 GB, that is roughly how long it took to create >> the disks over the 100Mbit link. >> >> The weirdness really starts with HV2, as all VMs on HV1 with disks on >> storage_domain_1 have "good" I/O throughput, all VMs on HV2 are awfully >> slow in reading/writing to disk. >> >> I've tried some network settings to increase throughput, but those didnt >> help / had no effect at all. >> >> Anyone come across this issue ? Is it something to do with the ovirtmgmt >> interface only being 100Mbit ? >> >> Alex >> >> >> >> >> -- >> >> | RHCE | Senior Systems Engineer | www.vcore.co | www.vsearchcloud.com | >> > > > > -- > > | RHCE | Senior Systems Engineer | www.vcore.co | www.vsearchcloud.com | > -- | RHCE | Senior Systems Engineer | www.vcore.co | www.vsearchcloud.com |
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