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aa039b0f DM |
1 | User Mode iSCSI Backend |
2 | ----------------------- | |
3 | ||
4 | Storage pool type: `iscsidirect` | |
5 | ||
6 | This backend provides basically the same functionality as the | |
7 | Open-iSCSI backed, but uses a user-level library (package 'libiscsi2') | |
8 | to implement it. | |
9 | ||
10 | It should be noted that there are no kernel drivers involved, so this | |
11 | can be viewed as performance optimization. But this comes with the | |
12 | drawback that you cannot use LVM on top of such iSCSI LUN. So you need | |
13 | to manage all space allocations at the storage server side. | |
14 | ||
15 | Configuration | |
16 | ~~~~~~~~~~~~~ | |
17 | ||
18 | The user mode iSCSI backend uses the same configuration options as the | |
19 | Open-iSCSI backed. | |
20 | ||
21 | .Configuration Example ('/etc/pve/storage.cfg') | |
22 | ---- | |
23 | iscsidirect: faststore | |
24 | portal 10.10.10.1 | |
25 | target iqn.2006-01.openfiler.com:tsn.dcb5aaaddd | |
26 | ---- | |
27 | ||
28 | Storage Features | |
29 | ~~~~~~~~~~~~~~~~ | |
30 | ||
31 | NOTE: This backend works with VMs only. Containers cannot use this | |
32 | driver. | |
33 | ||
34 | .Storage features for backend `iscsidirect` | |
35 | [width="100%",cols="m,m,3*d",options="header"] | |
36 | |============================================================================== | |
37 | |Content types |Image formats |Shared |Snapshots |Clones | |
38 | |images |raw |yes |no |no | |
39 | |============================================================================== | |
40 |