Rui J.M. Silva
Guest
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 Posted:
Fri Jan 28, 2005 12:55 am Post subject:
Re: Exchange Database Compression Ratio |
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That's quite difficult to say because it depends on so many factors. One of
them is single instance storage.
"Single instance storage means that if 1000 users on a Microsoft Exchange
Server get the same message, the message is only stored once in the database
and each of the users gets a pointer to the message."
If you think long term and count with deleted items retention, you can
expect a 1:1 ratio. So if you have to plan the storage needed for 100 users
with 50MB mailboxes, the value is 100x50=5.000 MB.
Nice article about this:
"XADM: Storage Capacity Limits of Microsoft Exchange Server"
http://support.microsoft.com/kb/143376/EN-US/
--
Blog "subject: exchange"
http://spaces.msn.com/members/ehlo
"EMcGrath@HCA_NOSPAM_Vendor.com"
<EMcGrathHCANOSPAMVendorcom@discussions.microsoft.com> wrote in message
news:375886AD-187E-4DED-AA4C-C7CE3B9FBB63@microsoft.com...
| Quote: | Does anyone know whatthe compress ratio is within the exchange database?
For
instance. If I add 1Gb of data/files to the store how much does that
take
with the 16Gb of database information store?
Thanks,
Erin
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