Short for 'Storage Area Network', a SAN is a network for block level storage. One or more controllers present logical drives (called LUNs) to one or more hosts through a switched fabric.
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I/O requests taking longer than 15 seconds
Usually our weekly full backups finish in about 35 minutes, with daily diff backups finishing in ~5 minutes. Since tuesday the dailies have taken almost 4 hours to complete, way more than should be ...
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SQL Disk Setup Advice - TempDB, Log DB, Data file placement question
We have a very active database server with a ecclectic collection of applications running on it. Two of the busiest are a Laserfiche database that does document scanning and workflow processing all ...
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SQL Server - Separating data, log, and TempDB files on a SAN
I have a SQL Server connected to a SAN. Our new storage vendor recommends that all LUNs span the entire disk array, which is RAID5. I would normally request 3 separate LUNs (data, log, and TempDB) ...
