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Intel® Integrated RAID Module SROMBSASMR (AXXROMBSASMR) Technical Product Specification RAID Functionality and Features
4.3.3 Stripe Size
The stripe size determines the size of each data stripe on each hard drive. The options are 8,
16, 32, 64, 128, 256, 512, and 1024 KB. The stripe size is set when the virtual drive is created.
It cannot be changed without removing the virtual drive configuration and all data contained on
the virtual drive.
4.3.4 Hot-spare Drives
Hot-spare drives are designated to automatically replace a failed drive. Hot-spare drives must
be the same size or larger than the drives they will replace. They can be designated as a private
hot-spare drive assigned to one virtual drive, or they may be a global hot-spare that is assigned
to all virtual drives attached to the RAID controller. Hot-spare drives can be designated using
the Intel
®
RAID BIOS Console 2 utility, the Intel
®
RAID Web Console 2 utility, or the command-
line utility.
4.3.5 Hot-plug Drive Support
Hot-plug support allows hard drives to be inserted or removed without rebooting the system, as
long as both the hard drive and server system backplane support hard drive hot-plug functions.
The RAID controller immediately recognizes when a drive is removed and sets the virtual status
to “Missing” until an I/O to the drive fails. The drive status then changes to “Failed.”
A drive inserted into an attached intelligent enclosure is recognized as present. A drive inserted
into an attached non-intelligent enclosure may require a bus scan before it is detected. Hot-plug
of new drives is supported in both intelligent and non-intelligent enclosures.
4.3.6 Auto-declare Hot-spare Drive
If the RAID controller has a RAID array drive that is in a failed (degraded) state and the failed
drive is removed and a new hard drive of the same size or larger is inserted into the same slot,
the new drive is automatically marked as a hot-spare drive and a rebuild begins. A bus scan
may be required in a non-intelligent enclosure.
4.3.7 Physical Drive Roaming
Physical drive roaming allows the user to move drives to any port on the RAID controller without
losing the configuration.
4.3.8 Virtual Drive Roaming
Virtual drive roaming allows the user to move a virtual drive from one controller to another
system/controller without losing the configuration or data. All virtual drives attached to the RAID
controller must be moved as a unit.
Revision 1.2
Intel order number E59029-003
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