I'm having an odd problem with RAID 0 on Linux/sparc64. My kernel is 2.4.20-rc1. I created a RAID 0 partition with two identical partitions, /dev/hda2 and /dev/hdb2, then set it as /, formatted ext3 (this was all done in the Aurora SPARC Linux installer (RHL 7.3 equivalent) with parted). All seems to go properly. Upon rebooting, the machine refuses to boot. Here are the md config settings for the default Aurora kernel: CONFIG_MD=y CONFIG_BLK_DEV_MD=m CONFIG_MD_LINEAR=m CONFIG_MD_RAID0=m CONFIG_MD_RAID1=m CONFIG_MD_RAID5=m CONFIG_MD_MULTIPATH=m Here is the relevant section of dmesg: Red Hat nash version 3.3.10 starting Loading md module md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27 Loading raid0 module md: raid0 personality registered as nr 2 Loading lbd module Journalled Block Device driver loaded Loading ext3 module Mounting /proc filesystem Creating root device raidautorun: RAID_AUTORUN failed: 19 Mounting root filesystem EXT3-fs: unable to read superblock mount: error 22 mounting ext3 pivotroot: pivot_root(/sysroot, /sysroot/initrd) failed: 2 At this point, I booted the CD into rescue mode to try to figure out what happened, and that kernel gave me a slightly more interesting dmesg. The Aurora rescue kernel has the following MD config settings: CONFIG_MD=y CONFIG_BLK_DEV_MD=y CONFIG_MD_LINEAR=m CONFIG_MD_RAID0=m CONFIG_MD_RAID1=m CONFIG_MD_RAID5=m CONFIG_MD_MULTIPATH=m Here is the md section from its dmesg: md: autorun... md: considering hdb2... md: adding hdb2 ... md: adding hda2 ... md: created md0 md: bind<hda2,1> md: bind<hdb2,2> md: running: <hdb2><hda2> md: hdb2's event counter: 00000004 md: hda2's event counter: 00000004 md: personality 2 is not loaded! md :do_md_run() returned -22 md: md0 stopped md: unbind<hdb2,1> md: export_rdev(hdb2) md: unbind<hda2,0> md: export_rdev(hda2) I double checked to make sure that raid0.o is in both initrds, and it is. Now, I figure either one of two things is happening: 1. I'm building something wrong in my Aurora kernels, e.g. the md modules need to be compiled in to work. 2. There's a bug in the RAID drivers on sparc64. But I'm no RAID expert. Any assistance is appreciated. ~spot --- Tom "spot" Callaway <tcallawa(a)redhat*com> Red Hat Sales Engineer Sair Linux and GNU Certified Administrator (LCA) Red Hat Certified Engineer (RHCE) GPG: D786 8B22 D9DB 1F8B 4AB7 448E 3C5E 99AD 9305 4260 The words and opinions reflected in this message do not necessarily reflect those of my employer, Red Hat, and belong solely to me. "Immature poets borrow, mature poets steal." --- T. S. Eliot - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
