My first try with any of this. I am trying to make a large data bucket to stage networked backups. Raid install and mkraid apparently work(?) but when I mount, I get an error message and no mount. mount: wrong fs type, bad option, bad superblock on /dev/md0, or too many mounted file systems Any help is greatly appreciated. --grant Details: I patched a vanilla linux 2.0.35 kernel (from a redhat 5.1 install) with raid0145-19981005-C-2.0.35, built and booted. No problems. Adaptec AHA-294X Ultra SCSI scsi card Vendor: SEAGATE Model: ST19171W Vendor: SEAGATE Model: ST34572W I built raidtools-0.90 and did: mkraid --really-force /dev/md0 with /etc/raidtab:------------------------------- # Sample raid-0 configuration raiddev /dev/md0 raid-level 0 nr-raid-disks 2 nr-spare-disks 0 chunk-size 16 device /dev/sdd1 raid-disk 1 device /dev/sdc1 raid-disk 0 ----------------------------------------------- (System log of mkraid is appended below) Seems to be ok: *ojserver cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid5] read_ahead 128 sectors md0 : active raid0 sdc1[1] sdd1[0] 13325840 blocks 16k chunks md1 : inactive ... When I try to mount: ojserver* mount /dev/md0 /raid mount: wrong fs type, bad option, bad superblock on /dev/md0, or too many mounted file systems -------mount log ---------- Oct 30 12:32:42 ojserver kernel: EXT2-fs error (device 09:00): ext2_check_descriptors: Block bitmap for group 448 not in group (block 0)! Oct 30 12:32:42 ojserver kernel: EXT2-fs: group descriptors corrupted ! ======== system log of mkraid ============================ Oct 30 12:28:47 ojserver kernel: bind<sdd1,1> Oct 30 12:28:47 ojserver kernel: nonpersistent superblock ... Oct 30 12:28:47 ojserver kernel: bind<sdc1,2> Oct 30 12:28:47 ojserver kernel: nonpersistent superblock ... Oct 30 12:28:47 ojserver kernel: mask fffffff0 Oct 30 12:28:47 ojserver kernel: rdev->size: 4441936 Oct 30 12:28:47 ojserver kernel: masked rdev->size: 4441936 Oct 30 12:28:47 ojserver kernel: new md_size: 4441936 Oct 30 12:28:47 ojserver kernel: rdev->size: 8883904 Oct 30 12:28:47 ojserver kernel: masked rdev->size: 8883904 Oct 30 12:28:47 ojserver kernel: new md_size: 13325840 Oct 30 12:28:47 ojserver kernel: raid0: looking at sdd1 Oct 30 12:28:47 ojserver kernel: raid0: comparing sdd1(8883904) with sdd1(8883904) Oct 30 12:28:47 ojserver kernel: raid0: END Oct 30 12:28:47 ojserver kernel: raid0: ==> UNIQUE Oct 30 12:28:47 ojserver kernel: raid0: 1 zones Oct 30 12:28:47 ojserver kernel: raid0: looking at sdc1 Oct 30 12:28:47 ojserver kernel: raid0: comparing sdc1(4441936) with sdd1(8883904) Oct 30 12:28:47 ojserver kernel: raid0: NOT EQUAL Oct 30 12:28:47 ojserver kernel: raid0: comparing sdc1(4441936) with sdc1(4441936) Oct 30 12:28:47 ojserver kernel: raid0: END Oct 30 12:28:47 ojserver kernel: raid0: ==> UNIQUE Oct 30 12:28:47 ojserver kernel: raid0: 2 zones Oct 30 12:28:47 ojserver kernel: raid0: FINAL 2 zones Oct 30 12:28:47 ojserver kernel: zone 0 Oct 30 12:28:47 ojserver kernel: checking sdd1 ... contained as device 0 Oct 30 12:28:47 ojserver kernel: (8883904) is smallest!. Oct 30 12:28:47 ojserver kernel: checking sdc1 ... contained as device 1 Oct 30 12:28:47 ojserver kernel: (4441936) is smallest!. Oct 30 12:28:47 ojserver kernel: zone->nb_dev: 2, size: 8883872 Oct 30 12:28:47 ojserver kernel: current zone offset: 4441936 Oct 30 12:28:47 ojserver kernel: zone 1 Oct 30 12:28:47 ojserver kernel: checking sdd1 ... contained as device 0 Oct 30 12:28:47 ojserver kernel: (8883904) is smallest!. Oct 30 12:28:47 ojserver kernel: checking sdc1 ... nope. Oct 30 12:28:47 ojserver kernel: zone->nb_dev: 1, size: 4441968 Oct 30 12:28:47 ojserver kernel: current zone offset: 8883904 Oct 30 12:28:47 ojserver kernel: done. Oct 30 12:28:47 ojserver kernel: raid0 : md_size is 13325840 blocks. Oct 30 12:28:47 ojserver kernel: raid0 : conf->smallest->size is 4441968 blocks. Oct 30 12:28:47 ojserver kernel: raid0 : nb_zone is 3. Oct 30 12:28:47 ojserver kernel: raid0 : Allocating 24 bytes for hash. Grant Basham (305)361-4026 University of Miami [EMAIL PROTECTED] RSMAS Computer Facility/Systems
