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https://issues.apache.org/jira/browse/CLOUDSTACK-7003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14046416#comment-14046416
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Mike Tutkowski commented on CLOUDSTACK-7003:
--------------------------------------------
That retry logic was useful in 4.2 when VDIs were being created that consumed
almost the entire size of the SR.
I think we can get away with this logic nowadays:
protected VDI createVdi(SR sr, String vdiNameLabel, Long volumeSize) throws
Types.XenAPIException, XmlRpcException {
Connection conn = getConnection();
VDI.Record vdir = new VDI.Record();
vdir.nameLabel = vdiNameLabel;
vdir.SR = sr;
vdir.type = Types.VdiType.USER;
long totalSrSpace = sr.getPhysicalSize(conn);
long unavailableSrSpace = sr.getPhysicalUtilisation(conn);
long availableSrSpace = totalSrSpace - unavailableSrSpace;
if (availableSrSpace < volumeSize) {
throw new CloudRuntimeException("Available space for SR cannot be
less than " + volumeSize + ".");
}
vdir.virtualSize = volumeSize;
VDI vdi = VDI.create(conn, vdir);
return vdi;
}
> Arithmetic exception while creating a vdi on nfs volume in managed storage.
> ---------------------------------------------------------------------------
>
> Key: CLOUDSTACK-7003
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-7003
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server
> Affects Versions: 4.5.0
> Reporter: punith
>
> it seems we have a bug while creating a nfs disk on managed storage,
> file - CitrixResourceBase.java
> api - createVdi
> long unavailableSrSpace = sr.getPhysicalUtilisation(conn);
> 6216 long maxNumberOfTries = (totalSrSpace / unavailableSrSpace >= 1) ?
> (totalSrSpace / unavailableSrSpace) : 1;
> since while creation nfs disk does not have a meta data written on it like in
> iscsi , unavailableSrSpace might turn out to be 0(zero), hence throwing an
> divide bt zero exception.
> sometimes the unavailable
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