root / man / hcheck.rst @ 2c04ae0d
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1 | 22e513e7 | Agata Murawska | HCHECK(1) Ganeti | Version @GANETI_VERSION@ |
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2 | 22e513e7 | Agata Murawska | =========================================== |
3 | 22e513e7 | Agata Murawska | |
4 | 22e513e7 | Agata Murawska | NAME |
5 | 22e513e7 | Agata Murawska | ---- |
6 | 22e513e7 | Agata Murawska | |
7 | 22e513e7 | Agata Murawska | hcheck \- Cluster checker |
8 | 22e513e7 | Agata Murawska | |
9 | 22e513e7 | Agata Murawska | SYNOPSIS |
10 | 22e513e7 | Agata Murawska | -------- |
11 | 22e513e7 | Agata Murawska | |
12 | 22e513e7 | Agata Murawska | **hcheck** {backend options...} [algorithm options...] [reporting options...] |
13 | 22e513e7 | Agata Murawska | |
14 | 22e513e7 | Agata Murawska | **hcheck** \--version |
15 | 22e513e7 | Agata Murawska | |
16 | 22e513e7 | Agata Murawska | |
17 | 22e513e7 | Agata Murawska | Backend options: |
18 | 22e513e7 | Agata Murawska | |
19 | 22e513e7 | Agata Murawska | { **-m** *cluster* | **-L[** *path* **] | **-t** *data-file* | |
20 | 22e513e7 | Agata Murawska | **-I** *path* } |
21 | 22e513e7 | Agata Murawska | |
22 | 22e513e7 | Agata Murawska | Algorithm options: |
23 | 22e513e7 | Agata Murawska | |
24 | 22e513e7 | Agata Murawska | **[ \--no-simulation ]** |
25 | 22e513e7 | Agata Murawska | **[ \--max-cpu *cpu-ratio* ]** |
26 | 22e513e7 | Agata Murawska | **[ \--min-disk *disk-ratio* ]** |
27 | 22e513e7 | Agata Murawska | **[ -l *limit* ]** |
28 | 22e513e7 | Agata Murawska | **[ -e *score* ]** |
29 | 22e513e7 | Agata Murawska | **[ -g *delta* ]** **[ \--min-gain-limit *threshold* ]** |
30 | 22e513e7 | Agata Murawska | **[ -O *name...* ]** |
31 | 22e513e7 | Agata Murawska | **[ \--no-disk-moves ]** |
32 | 22e513e7 | Agata Murawska | **[ \--no-instance-moves ]** |
33 | 22e513e7 | Agata Murawska | **[ -U *util-file* ]** |
34 | 22e513e7 | Agata Murawska | **[ \--evac-mode ]** |
35 | 22e513e7 | Agata Murawska | **[ \--select-instances *inst...* ]** |
36 | 22e513e7 | Agata Murawska | **[ \--exclude-instances *inst...* ]** |
37 | 22e513e7 | Agata Murawska | |
38 | 22e513e7 | Agata Murawska | Reporting options: |
39 | 22e513e7 | Agata Murawska | |
40 | 22e513e7 | Agata Murawska | **[\--machine-readable**[=*CHOICE*] **]** |
41 | 22e513e7 | Agata Murawska | **[ -p[ *fields* ] ]** |
42 | 22e513e7 | Agata Murawska | **[ \--print-instances ]** |
43 | 22e513e7 | Agata Murawska | **[ -v... | -q ]** |
44 | 22e513e7 | Agata Murawska | |
45 | 22e513e7 | Agata Murawska | |
46 | 22e513e7 | Agata Murawska | DESCRIPTION |
47 | 22e513e7 | Agata Murawska | ----------- |
48 | 22e513e7 | Agata Murawska | |
49 | 22e513e7 | Agata Murawska | hcheck is the cluster checker. It prints information about cluster's |
50 | 22e513e7 | Agata Murawska | health and checks whether a rebalance done using **hbal** would help. |
51 | f18e4168 | Iustin Pop | |
52 | 22e513e7 | Agata Murawska | This information can be presented in both human-readable and |
53 | 22e513e7 | Agata Murawska | machine-readable way. |
54 | f18e4168 | Iustin Pop | |
55 | 22e513e7 | Agata Murawska | Note that it does not take any action, only performs a rebalance |
56 | 22e513e7 | Agata Murawska | simulation if necessary. |
57 | f18e4168 | Iustin Pop | |
58 | 354c4f62 | Michael Hanselmann | For more information about the algorithm details check **hbal**\(1). |
59 | 22e513e7 | Agata Murawska | |
60 | 22e513e7 | Agata Murawska | OPTIONS |
61 | 22e513e7 | Agata Murawska | ------- |
62 | 22e513e7 | Agata Murawska | |
63 | 22e513e7 | Agata Murawska | \--no-simulation |
64 | 22e513e7 | Agata Murawska | Only perform checks based on current cluster state, without trying |
65 | 22e513e7 | Agata Murawska | to simulate rebalancing. |
66 | 22e513e7 | Agata Murawska | |
67 | 22e513e7 | Agata Murawska | For a detailed description about the options listed above have a look at |
68 | f8ff4aa2 | Martin Zobel-Helas | **htools**\(1), **hspace**\(1) and **hbal**\(1). |
69 | 22e513e7 | Agata Murawska | |
70 | 22e513e7 | Agata Murawska | .. vim: set textwidth=72 : |
71 | 22e513e7 | Agata Murawska | .. Local Variables: |
72 | 22e513e7 | Agata Murawska | .. mode: rst |
73 | 22e513e7 | Agata Murawska | .. fill-column: 72 |
74 | 22e513e7 | Agata Murawska | .. End: |