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MV 4105_Ciprico Inc. 7-7
MediaVault 4105 User Manual Problem Solving
What is the self-healing feature I've heard
about?
This is a new name given to a slightly new technique for
relocating bad sectors on the disks. Rather than relocate the
actual sector, a pointer for the sector number is used.
When a bad sector is found, the pointer updates to skip that
area - this is done while the drive is reading/writing. If you
were to watch the performance of this bad sector, as the
performance appears to increase, it could be said the sector
was "cured."
Can I increase the capacity of the
MV U320-R or MV U320-RX by installing
larger drives?
a) For the most part, if the firmware supports them and your
host OS supports it, then yes.
b) The drives must be Ciprico-tested/approved in order to
maintain the warranty on the unit.
c) The drives must be Ciprico-tested/approved in order to
work on the unit.
Do I need to do any software-based
preventative maintenance on the array
No. Programs, such as Disk First Aid, Scan Disk, etc. are not
recommended
How do I defragment the array? Defragmenting software is not recommended. The best way to
defragment the array is to back it up, reformat/restripe it, then
restore the backup.
What is journaling and should I use it? Journaling is where the computer (in the background), logs all
disk transactions, such as file open, file write, file read, file
close.
In the event of volume corruption, this journal is easy for
recovery programs to find on the disk and make repairs,
based on this file. We recommend journaling (if your OS
supports it), in case of such corruption.
I've heard journaling makes the array run
slower - should I still use it?
Journaling only slows down the array by about 2KB/sec. For
the most part, when a journal entry is written, it is usually only
a few bytes of data, and doesn't update non-stop. The
benefits greatly outweigh the small decrease in data rate
Do I need to do anything to keep my
MV 4105 clean?
Although the outside of the unit might appear to be metal, on
older models it is paint. Clean the unit with a soft cloth. If
further cleaning is necessary, use a mild liquid soap.
Can I attach a 2nd computer to the "B"
channels?
No. You must use a switch and SAN software if you want to
attach multiple computers.
TABLE 7-2. Frequently Asked Questions.