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Added estimation of Transfer times and amounts of data

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Bastian Mäuser
2022-10-24 13:37:37 +02:00
parent 886512bd41
commit 9b29489dc8
2 changed files with 34 additions and 21 deletions
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README.md
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@@ -25,18 +25,20 @@ Commands:
mirror Replicate a stopped VM to another Cluster (full clone)
Options:
--vmid The source+target ID of the VM/CT, comma separated (eg. --vmid=100:100,101:101),
--destination 'Target PVE Host in target pool. e.g. --destination=pve04
--pool 'Ceph pool name in target pool. e.g. --pool=data
--keeplocal 'How many additional Snapshots to keep locally. e.g. --keeplocal=2
--keepremote 'How many additional Snapshots to keep remote. e.g. --keepremote=2
--online 'Allow online Copy
--nolock 'Don't lock source VM on Transfer (mainly for test purposes)
--keep-slock 'Keep source VM locked on Transfer
--keep-dlock 'Keep VM locked after transfer on Destination
--overwrite 'Overwrite Destination
--protect 'Protect Ceph Snapshots
--debug 'Show Debug Output
--vmid The source+target ID of the VM, comma separated (eg. --vmid=100:100,101:101)
(The possibility to specify a different Target VMID is to not interfere with VMIDs on the
target cluster, or mark mirrored VMs on the destination)
--destination Target PVE Host in target pool. e.g. --destination=pve04
--pool Ceph pool name in target pool. e.g. --pool=data
--keeplocal How many additional Snapshots to keep locally. e.g. --keeplocal=2
--keepremote How many additional Snapshots to keep remote. e.g. --keepremote=2
--online Allow online Copy
--nolock Don't lock source VM on Transfer (mainly for test purposes)
--keep-slock Keep source VM locked on Transfer
--keep-dlock Keep VM locked after transfer on Destination
--overwrite Overwrite Destination
--protect Protect Ceph Snapshots
--debug Show Debug Output
Report bugs to the Github repo at https://github.com/lephisto/crossover/
```
@@ -75,6 +77,7 @@ It'll work according this scheme:
* Can keep multiple backup
* Retention policy: (eg. keep x snapshots on the source and y snapshots in the destination cluster)
* Rewrites VM configurations so they match the new VMID and/or poolname on the destination
* Secure an encrypted transfer (SSH), so it's safe to mirror between datacenter without an additional VPN
## Protected / unprotected snapshot
@@ -85,7 +88,7 @@ it's not aware of that paramter.
## Installation of prerequisites
```apt install git
```apt install git pv
## Install the Script somewhere, eg to /opt
@@ -93,6 +96,8 @@ git clone https://github.com/lephisto/crossover/ /opt
```
Ensure that you can freely ssh from the Node you plan to mirror _from_ to _all_ nodes in the destination cluster, as well as localhost.
## Usage
Mirror VM to another Cluster: