[pve-devel] [PATCH] Add Multipath direct storage plugin and enable it.

Dmitry Petuhov mityapetuhov at gmail.com
Wed Jun 29 18:20:24 CEST 2016


29.06.2016 18:58, Dietmar Maurer пишет:
>>> I wonder if this is maybe a too general approach to what you're really
>>> after?
>> General approaches are cool. We will be able to use many 
>> enterprise-grade storages with single universal plugin. Also later we'll 
>> be able to control them via LunCmd/* specialised modules.
> You cannot do anything with such storage type, so I wonder why it is useful?
> Why not simply put LVM on such drives, and use the LVM driver?
>
What I cannot do?

Todays storages are easily controlled with CLI and/or http[s] APIs. I have pretty old HP MSA P2000 SAS and Netapp 2040 FC/iSCSI. Certainly, they're both support basic lun management like create-resize-snapshot-delete, which we have with LVM. Moreover, Netapp one supports advanced features like thin provisioning, compression and data de-duplication, which are not available with LVM, but fully controlled via CLI and API of storage.




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