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Full Discussion: Move disks to different StorEdge, keeping RAID
Operating Systems Solaris Move disks to different StorEdge, keeping RAID Post 302345331 by alexs77 on Wednesday 19th of August 2009 02:34:32 AM
Old 08-19-2009
Data data loss inevitable?
Quote:
Originally Posted by Sun Fire
I'm not sure if it's going to recognize the RAID and Data on it or not, because if you attempt to create new RAID array, it will initialize and wipe out your data.
Yep. To actually be able to use the disks for RAID in SE3310, the admin would need to "deinitialize" the disks first.

Quote:
Best bet is, backup your data before you do this movement, and
That sounds kinda awkward - suppose the array breaks (but the disks don't). In that case, the data is lost? Doesn't sound too professional to me... I mean, yes, of course you do backups, sure. But at least I only do one backup per day. If the array breaks shortly before the backup starts, then one day of work is lost.

Hard to imagine that Sun really wants its users to go that route.

Quote:
also backup the current storage configuration file .xml
What XML file? The RAID is configured and setup from "inside" the SE3310 over the telnet interface.
 

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LEARN ABOUT NETBSD

mfi

MFI(4)							   BSD Kernel Interfaces Manual 						    MFI(4)

NAME

     mfi -- LSI Logic & Dell MegaRAID SAS RAID controller

SYNOPSIS

     mfi* at pci? dev ? function ?

DESCRIPTION

     The mfi driver provides support for the MegaRAID SAS family of RAID controllers, including:

	   -   Dell PERC 5/e, PERC 5/i, PERC 6/e, PERC 6/i
	   -   Intel RAID Controller SRCSAS18E, SRCSAS144E
	   -   LSI Logic MegaRAID SAS 8208ELP, MegaRAID SAS 8208XLP, MegaRAID SAS 8300XLP, MegaRAID SAS 8308ELP, MegaRAID SAS 8344ELP, MegaRAID
	       SAS 8408E, MegaRAID SAS 8480E, MegaRAID SAS 8708ELP, MegaRAID SAS 8888ELP, MegaRAID SAS 8880EM2, MegaRAID SAS 9260-8i
	   -   IBM ServeRAID M1015, ServeRAID M5014

     These controllers support RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50 and RAID 60 using either SAS or SATA II drives.

     Although the controllers are actual RAID controllers, the driver makes them look just like SCSI controllers.  All RAID configuration is done
     through the controllers' BIOSes.

     mfi supports monitoring of the logical disks in the controller through the bioctl(8) and envstat(8) commands.

EVENTS

     The mfi driver is able to send events to powerd(8) if a logical drive in the controller is not online.  The state-changed event will be sent
     to the /etc/powerd/scripts/sensor_drive script when such condition happens.

SEE ALSO

     intro(4), pci(4), scsi(4), sd(4), bioctl(8), envstat(8), powerd(8)

HISTORY

     The mfi driver first appeared in NetBSD 4.0.

BSD
								  March 22, 2012							       BSD
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