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Full Discussion: RAID 10 Failed Drive Swap
Operating Systems AIX RAID 10 Failed Drive Swap Post 302884151 by bakunin on Friday 17th of January 2014 05:02:46 PM
Old 01-17-2014
First off, welcome to the AIX board.

Having said this, it might help to describe your hardware a bit more in detail. The more detail you give the better the offered solutions will be.

In general (but this will depend on your hardware, so take this cum grano salis) it will not be necessary to power off or even unmount filesystems involved. AIX' LVM and IBMs RAID driver can handle practically all the necessary tasks while the storage is in use. I wouldn't start the biggest database import available while recovering from disk failures but that's about it.

I have not used RAID arrays for probably 10 years now, so i can only draw on some remote memory, but IBMs arrays always included hot-standby-disks. A failed disk is immediately swapped with the standby and you take the former out and bring in a new standby disk in when recovering the array.

I hope this helps.

bakunin
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RAIDFILE.CONF(5)						    Box Backup							  RAIDFILE.CONF(5)

NAME
raidfile.conf - Userland RAID for Box Backup SYNOPSIS
/etc/box/raidfile.conf DESCRIPTION
The raidfile.conf is usually generated by raidfile-config(8) but may be manually edited if the store locations move or if more than one disc set is required. discX Specifies a set of discs. SetNumber The set number of the RAID disc, referenced by each account. BlockSize The block size of the file system (usually 2048). Under BSD with FFS, set this to your file system's fragment size (most likely an 8th of the block size). Dir0 The first directory in the RAID array. Dir1 The second directory in the RAID array. If you do not wish to use the built-in RAID functionality, this field should be set to the same as Dir0. You should not use the built-in RAID if you have a hardware RAID solution or if you're using another type of software RAID (like md on Linux). Dir2 The third directory in the RAID array. The same notes that apply to Dir2 also apply to Dir3. FILES
/etc/box/raidfile.conf SEE ALSO
raidfile-config(8), bbstored.conf(5) AUTHORS
Ben Summers Per Thomsen James O'Gorman Box Backup 0.11 10/28/2011 RAIDFILE.CONF(5)
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