[doc][rfe] Need to call out Generic Driver limitations
Bug #1867950 reported by
Goutham Pacha Ravi
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
OpenStack Shared File Systems Service (Manila) |
Fix Released
|
Medium
|
Vida Haririan |
Bug Description
The "Generic" backend/driver in Manila is a community maintained software defined storage backend/driver. It provisions and uses OpenStack compute (Nova) VMs as NFS/CIFS share servers and creates backing storage via Cinder volumes.
There are some limitations that need to be acknowledged for considering this driver in a production deployment of OpenStack Manila. Currently, there is no documentation on what these limitations are, besides the note that some Nova backends can only support 26 shares due to a limitation on the number of PCI devices [1]
[1] https:/
Changed in manila: | |
status: | New → Triaged |
Changed in manila: | |
importance: | Undecided → Medium |
assignee: | nobody → Vida Haririan (vhariria) |
milestone: | none → bobcat-2 |
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One of the limitations that severely affects availability in the cloud is the Single Point of Failure (SPOF) issue. The driver uses a Nova VM as its NAS (NFS/CIFS) server. If/When the server goes down, there is no way to continue serving data.