directCache

Product Features
Product Type Add-on software module for ioMemory VSL
Cache Type Fully associative cache
Cache mode Write-through
Minimum cacheable block size 512B
# of cached volumes per instance 1
Max cache instance capacity 640 GB
Max cache instances per host Unlimited
Additional CPU & RAM overhead No noticeable increase over the ioMemory VSL requirements
Operating Systems 64-Bit Microsoft XP/Vista/Win7/Server 2003/Server 2008, RHEL 4/5/6, SLES 10/11, OEL v5, VMware ESX 4.0/4.1/ESXi 4.1
Product architecture Independent Linux kernel module, Windows volume/disk filter driver
Management CLI utilities to bind, unbind, and provide status
Protection modes Optional partition table obfuscation
Power loss protection Yes
System Requirements
ioMemory VSL driver directCache requires a 2.3.0 version of the ioMemory VSL or later
Compatible cache devices All ioDrive, ioDrive Duo, and ioDrive Octal products are compatible with directCache except ioDrives with a v6 or earlier adapter
Operating systems 64-Bit Microsoft Server 2003/2008/2008 R2/Vista/Win7, RHEL 5/6, SLES 11
Supported backing store types Disk, disk partition, hardware RAID volume, software RAID volume, iSCSI LUN, Fiber Channel LUN