Re: I/O Errors

[Alex Zarochentsev <zam@namesys.com>]

Hi,

On Thu, Sep 23, 2004 at 05:38:01PM -0700, f00bar wrote:
> I have been having problems with my reiser4
> partitions. I believed it was how I had my machine
> configured but I doubt this assumption now.
> 
> I sucessfully created a resier4 fs on a LVM2 volume
> group. After mounting it and executing a few basic i/o
> things (like cp, mv, cat, ls, rm) all is okay.
> 
> After some emerging (I use Gentoo), I "lose" the fs. I
> have even tried mkfs.resier4 and I still can not use
> the fs.
> 
> # ls -l /var/tmp/portage
> ls: reading directory /var/tmp/portage: Input/output
> error

anything in the logs? 

> 
> If I try to cp a file, no error, no file, but the
> superblock does become corrupt.

what "fsck.reiser4 /dev/vgsdc1/reiser4" says?

> I have 2 volume groups on one LVM partition spanning
> the entire scsi drive. Half is an ext3 fs and the
> other half is reiser4 fs. I mount one or the other as
> /var/tmp/portage (where source code is compiled using
> Gentoo) for testing purposes.
> 
> I am using reiser4progs and libaal 1.0.2_pre1.
> 
> # uname -a
> Linux yin-yang 2.6.9-rc2-mm1-tao #1 SMP Sun Sep 19
> 03:14:18 CDT 2004 i686 AMD Athlon(tm) MP 2400+
> AuthenticAMD GNU/Linux
> 
> 
> # debugfs.reiser4 -p /dev/vgsdc1/reiser4
> debugfs.reiser4 1.0.2-pre1
> Copyright (C) 2001, 2002, 2003, 2004 by Hans Reiser,
> licensing governed by reiser4progs/COPYING.
> 
> Default profiles:
> format:     "format40" (id:0x0 type:0x8)
> journal:    "journal40" (id:0x0 type:0xf)
> oid:        "oid40" (id:0x0 type:0x9)
> alloc:      "alloc40" (id:0x0 type:0xe)
> key:        "key_large" (id:0x1 type:0x10)
> node:       "node40" (id:0x0 type:0x2)
> statdata:   "stat40" (id:0x0 type:0x1)
> nodeptr:    "nodeptr40" (id:0x3 type:0x1)
> direntry:   "cde40" (id:0x2 type:0x1)
> tail:       "tail40" (id:0x6 type:0x1)
> extent:     "extent40" (id:0x5 type:0x1)
> acl:        "absent (id:0x4 type:0x1)"
> permission: "absent (id:0x0 type:0x6)"
> regular:    "reg40" (id:0x0 type:0x0)
> directory:  "dir40" (id:0x1 type:0x0)
> symlink:    "sym40" (id:0x2 type:0x0)
> special:    "spl40" (id:0x3 type:0x0)
> hash:       "r5_hash" (id:0x1 type:0x3)
> fibration:  "ext_1_fibre" (id:0x2 type:0x4)
> formatting: "smart" (id:0x2 type:0x5)
> 
> 
> # debugfs.reiser4 -s /dev/vgsdc1/reiser4
> debugfs.reiser4 1.0.2-pre1
> Copyright (C) 2001, 2002, 2003, 2004 by Hans Reiser,
> licensing governed by reiser4progs/COPYING.
> 
> Master super block (16):
> magic:          ReIsEr4
> blksize:        4096
> format:         0x0 (format40)
> uuid:           a529df4c-09bb-4803-b5c1-33938d5bbc68
> label:          <none>
> 
> Format super block (17):
> plugin:         format40
> description:    Disk-format for reiser4, ver.
> 1.0.2-pre1
> magic:          ReIsEr40FoRmAt
> flushes:        0
> mkfs id:        0x3bd87cf1
> blocks:         553984
> free blocks:    553937
> root block:     23
> tail policy:    0x2 (smart)
> next oid:       0x10000
> file count:     0
> tree height:    2
> key policy:     LARGE
> 
> FS status block (21):
> FS marked consistent
> 

-- 
Alex.