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July 7th, 2008 07:00
minimum bandwidth demands
Does anyone know the minimum bandwidth limits for MV/S and MV/A ?
And SAN Copy ?
do the same minimums go for the iSCSI version of these ?
So:
MV/S over FC
MV/A over FC
SAN Copy over FC
MV/S over iSCSI
MV/A over iSCSI
SAN Copy over iSCSI
And SAN Copy ?
do the same minimums go for the iSCSI version of these ?
So:
MV/S over FC
MV/A over FC
SAN Copy over FC
MV/S over iSCSI
MV/A over iSCSI
SAN Copy over iSCSI
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RRR
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July 7th, 2008 07:00
calle2
133 Posts
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July 7th, 2008 09:00
Couldn't find much either¿ Interestingly in the MV Knowledgebook the minimum bandwidth requirement is 128KB/s and not 128Kb/s as in the release notes for MV/A. Either way IMHO we can assume:
1. Same figure is applicable for ISC
2. Is independent of the medium (IP or FC)
MV/S I think is much more dependent on the latency then bandwidth. 10ms I believe is the limit before timeouts are experienced.
Having said that in CX FLARE 19 and CX3 FLARE 22 MV Knowledgebook there is a mention of low synchronization policy yielding approx 0.7MB/s per mirror and the MV release notes for FLARE 24 mentioning the same 128Kb/s for MV/S¿
I hope that helps¿.?
Carl
RRR
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July 7th, 2008 23:00
Somewhere in my long term memory (
Let's wait another few posts / days until I'll "close" this thread.