--- wikisrc/guide/raidframe.mdwn 2013/03/02 13:20:56 1.6 +++ wikisrc/guide/raidframe.mdwn 2013/03/03 23:06:46 1.9 @@ -73,9 +73,7 @@ obtaining help. search the list for the NetBSD platform on which you are using RAIDframe: port-*`${ARCH}`*@NetBSD.org. - ### Caution - - Because RAIDframe is constantly undergoing development, some information in + *Caution*: Because RAIDframe is constantly undergoing development, some information in mailing list archives has the potential of being dated and inaccurate. 3. Search the [Problem Report @@ -164,7 +162,7 @@ the RAID and: be able to quickly reconfigure the system to boot from the remaining component (platform dependent). -![RAID-1 Disk Logical Layout](/guide/images/raidframe_raidL1-diskdia.png) +![RAID-1 Disk Logical Layout](/guide/images/raidframe_raidl1-diskdia.png) **RAID-1 Disk Logical Layout** Because RAID-1 provides both redundancy and performance improvements, its most @@ -192,25 +190,25 @@ has become the de facto standard for set 1. Install a stock NetBSD onto Disk0 of your system. - ![Perform generic install onto Disk0/wd0](/guide/images/raidframe_r1r-pp1.png) + ![Perform generic install onto Disk0/wd0](/guide/images/raidframe_r1r-pp1.png) **Perform generic install onto Disk0/wd0** 2. Use the installed system on Disk0/wd0 to setup a RAID Set composed of Disk1/wd1 only. - ![Setup RAID Set](raidframe_r1r-pp2.png) + ![Setup RAID Set](/guide/images/raidframe_r1r-pp2.png) **Setup RAID Set** 3. Reboot the system off the Disk1/wd1 with the newly created RAID volume. - ![Reboot using Disk1/wd1 of RAID](/guide/images/raidframe_r1r-pp3.png) + ![Reboot using Disk1/wd1 of RAID](/guide/images/raidframe_r1r-pp3.png) **Reboot using Disk1/wd1 of RAID** - 4. Add / re-sync Disk0/wd0 back into the RAID set. + 4. Add/re-sync Disk0/wd0 back into the RAID set. - ![Mirror Disk1/wd1 back to Disk0/wd0](/guide/images/raidframe_r1r-pp4.png) + ![Mirror Disk1/wd1 back to Disk0/wd0](/guide/images/raidframe_r1r-pp4.png) **Mirror Disk1/wd1 back to Disk0/wd0** ### Hardware Review @@ -221,9 +219,9 @@ RAID level. Booting from a RAID set is a boot loader to understand both 4.2BSD/FFS and RAID partitions. The 1st boot block code only needs to know enough about the disk partitions and file systems to be able to read the 2nd stage boot blocks. Therefore, at any time, the -system's BIOS / firmware must be able to read a drive with 1st stage boot blocks +system's BIOS/firmware must be able to read a drive with 1st stage boot blocks installed. On the i386 platform, configuring this is entirely dependent on the -vendor of the controller card / host bus adapter to which your disks are +vendor of the controller card/host bus adapter to which your disks are connected. On sparc64 this is controlled by the IEEE 1275 Sun OpenBoot Firmware. This article assumes two identical IDE disks (`/dev/wd{0,1}`) which we are going @@ -534,7 +532,7 @@ value). ### Initializing the RAID Device -Next we create the configuration file for the RAID set / volume. Traditionally, +Next we create the configuration file for the RAID set/volume. Traditionally, RAIDframe configuration files belong in `/etc` and would be read and initialized at boot time, however, because we are creating a bootable RAID volume, the configuration data will actually be written into the RAID volume using the @@ -632,7 +630,7 @@ as `/dev/raid0b`. NetBSD Guide can expand on proper partitioning technique. See [Installing NetBSD: Preliminary considerations and preparations*](inst). -*Note*: Note that 1 GB is 2\*1024\*1024=2097152 blocks (1 block is 512 bytes, or +*Note*: 1 GB is 2\*1024\*1024=2097152 blocks (1 block is 512 bytes, or 0.5 kilobytes). Despite what the underlying hardware composing a RAID set is, the RAID pseudo disk will always have 512 bytes/sector. @@ -773,9 +771,7 @@ rebooted. After the reboot everything is [...snip...] # shutdown -r now -### Warning - -Always use +*Warning*: Always use [shutdown(8)](http://netbsd.gw.com/cgi-bin/man-cgi?shutdown+8+NetBSD-5.0.1+i386) when shutting down. Never simply use [reboot(8)](http://netbsd.gw.com/cgi-bin/man-cgi?reboot+8+NetBSD-5.0.1+i386). @@ -935,7 +931,7 @@ priority to Disk1/wd1 before Disk0/wd0. BIOS. -![Award BIOS i386 Boot Disk1/wd1](/guide/images/raidframe_awardbios2.png) +![Award BIOS i386 Boot Disk1/wd1](/guide/images/raidframe_awardbios2.png) **Award BIOS i386 Boot Disk1/wd1** Save changes and exit: @@ -951,7 +947,7 @@ You can determine that the BIOS is readi boot loader is 30 seconds instead of 15. After the reboot, re-enter the BIOS an configure the drive boot order back to the default: -![Award BIOS i386 Boot Disk0/wd0](/guide/images/raidframe_awardbios1.png) +![Award BIOS i386 Boot Disk0/wd0](/guide/images/raidframe_awardbios1.png) **Award BIOS i386 Boot Disk0/wd0** Save changes and exit: