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Knowledge base
In the Admin Panel you can change type of SCSI controller from default LSI SAS to PVSCSI (Paravirtual SCSI). An instance should be turned off while changing this option otherwise user will be asked to restart it. PVSCSI and LSI Logic Parallel/SAS are essentially the same when it comes to overall performance capability. PVSCSI, however, is more efficient in the number of host compute cycles that are required to process the same number of IOPS. It means that if you have a very storage IO intensiv...
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From January 2013 until June 2016 the Oktawave storage network based on Infiniband technology. Between June and mid-July we made probably our greatest revolution and exchanged completely Infiniband for well-known FC SAN (in this case 16 Gbps), granting the same, that our original assumptions were perhaps a bit too ambitious. But - as they say - every cloud has a silver lining. Our new architecture is more efficient and at the same time extremely stable. HOW DID IT ALL BEGIN? Let's back up in t...
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Many ambitious players at the hosting market uses the term "cloud computing" while offering its customers simply VPS solutions. The differences between cloud and the usual virtual servers (even if someone labeled them as "cloud") are significant and can directly affect the fate of your online business. Let's examine some of them.
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Hard disk capacity is expressed in gigabytes, but how to define its performance? Well, we can achieve it with the help of the parameter called IOPS (Input / Output Operations Per Second), which defines the number of read and write operations which disk drive can make per second. Now try to imagine the situation where a single server with certain number of hard drives runs many environments assigned to different clients. This context can easily lead to the situation where one customer overl...
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API for OCS is fully compatible with Object Storage from the OpenStack package version 1.0 Guide is at this link: http://docs.openstack.org/api/openstack-object-storage/1.0/content/ [1] Significant change is the way of authentication, instead of the default: GET /v1.0 HTTP/1.1 Host: auth.api.yourcloud.com X-Auth-User: jdoe X-Auth-Key: a86850deb2742ec3cb41518e26aa2d89 In OCS you should use: GET /auth/v1.0 HTTP/1.1 Host: ocs-pl.oktawave.com X-Auth-User: account:user X-Auth-Key: p...
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Yes, but this functionality concerns only unshared discs. The instance where is plugged at least one shared disc in precludes changes of Tier class for each kind of disc plugged to this instance in. To make changes, you have to unplug all shared discs or turn off the instance first. Be advised that you can not change Tier class of the disk if the OCI instances attached to it contains snapshots.
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