|
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 |