Re: [Xen-devel] Re: Need help..

[I RATTAN <rattan@xxxxxxxxxxxxx>]

Ok, I replaced the LABEL=/ by /dev/hda5 and LABEL=/usr by /dev/hda6
in dom-0 /etc/fstaba. Now system does try to boot dom-1 but has prolems
with fsck of /dev/hda7 (/dev/sda6) and suggets to run fsck manually.
If fsck.ext3 is run from dom-0 on /dev/hda7 it says that file system is clean!
I plan to try /usr readonly tomorrow.

-ishwar

--output of mount in dom0--
/dev/hda5 on / type ext3 (rw)
none on /proc type proc (rw)
none on /dev/pts type devpts (rw,gid=5,mode=620)
none on /dev/shm type tmpfs (rw)
/dev/hda6 on /usr type ext3 (rw)

----output on xen_read_console during creation of dom1--
[1] Linux version 2.4.26-xeno (xenod@xxxxxxxxxxxxxxxxxxxxxx) (gcc version 3.2.
20030222 (Red Hat Linux 3.2.2-5)) #2 Tue Apr 20 03:24:19 BST 2004
[1] On node 0 totalpages: 16384
[1] zone(0): 4096 pages.
[1] zone(1): 12288 pages.
[1] zone(2): 0 pages.
[1] Kernel command line: ip=141.209.170.222:169.254.1.0:141.209.170.1:255.255.
5.0::eth0:off root=/dev/sda1 ro 4 VMID=1 usr=/dev/sda6
[1] Initializing CPU#0
[1] Xen reported: 501.155 MHz processor.
[1] Calibrating delay loop... 1998.84 BogoMIPS
[1] Memory: 62880k/65536k available (1288k kernel code, 2656k reserved, 245k d
a, 60k init, 0k highmem)
[1] Dentry cache hash table entries: 8192 (order: 4, 65536 bytes)
[1] Inode cache hash table entries: 4096 (order: 3, 32768 bytes)
[1] Mount cache hash table entries: 512 (order: 0, 4096 bytes)
[1] Buffer cache hash table entries: 4096 (order: 2, 16384 bytes)
[1] Page-cache hash table entries: 16384 (order: 4, 65536 bytes)
[1] CPU: L1 I cache: 16K, L1 D cache: 16K
[1] CPU: L2 cache: 128K
[1] CPU: Intel Celeron (Mendocino) stepping 05
[1] POSIX conformance testing by UNIFIX
[1] Linux NET4.0 for Linux 2.4
[1] Based upon Swansea University Computer Society NET3.039
[1] Initializing RT netlink socket
[1] Starting kswapd
[1] Journalled Block Device driver loaded
[1] Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx).
[1] Xeno console successfully installed
[1] Starting Xeno Balloon driver
[1] pty: 256 Unix98 ptys configured
[1] RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
[1] loop: loaded (max 8 devices)
[1] NET4: Linux TCP/IP 1.0 for NET4.0
[1] IP Protocols: ICMP, UDP, TCP
[1] IP: routing cache hash table of 512 buckets, 4Kbytes
[1] TCP: Hash tables configured (established 4096 bind 8192)
[1] IP-Config: Complete:
[1]       device=eth0, addr=141.209.170.222, mask=255.255.255.0, gw=141.209.17
1,
[1]      host=141.209.170.222, domain=, nis-domain=(none),
[1]      bootserver=169.254.1.0, rootserver=169.254.1.0, rootpath=
[1] ip_conntrack version 2.1 (512 buckets, 4096 max) - 288 bytes per conntrack
[1] ip_tables: (C) 2000-2002 Netfilter core team
[1] NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
[1] root_device_name = sda1
[1] EXT3-fs: INFO: recovery required on readonly filesystem.
[1] EXT3-fs: write access will be enabled during recovery.
[1] kjournald starting.  Commit interval 5 seconds
[1] EXT3-fs: recovery complete.
[1] EXT3-fs: mounted filesystem with ordered data mode.
[1] VFS: Mounted root (ext3 filesystem) readonly.
[1] Freeing unused kernel memory: 60k freed
[1] INIT: version 2.85 booting
[1] modprobe: modprobe: Can't locate module char-major-4
[1] /etc/rc.d/rc.sysinit: line 34: /dev/tty1: No such device
[1] modprobe: modprobe: Can't locate module char-major-4
[1] /etc/rc.d/rc.sysinit: line 34: /dev/tty2: No such device
[1] modprobe: modprobe: Can't locate module char-major-4
[1] /etc/rc.d/rc.sysinit: line 34: /dev/tty3: No such device
[1] modprobe: modprobe: Can't locate module char-major-4
[1] /etc/rc.d/rc.sysinit: line 34: /dev/tty4: No such device
[1] modprobe: modprobe: Can't locate module char-major-4
[1] /etc/rc.d/rc.sysinit: line 34: /dev/tty5: No such device
[1] modprobe: modprobe: Can't locate module char-major-4
[1] /etc/rc.d/rc.sysinit: line 34: /dev/tty6: No such device
[1] modprobe: modprobe: Can't locate module char-major-4
[1] /etc/rc.d/rc.sysinit: line 38: /dev/tty7: No such device
[1] modprobe: modprobe: Can't locate module char-major-4
[1] /etc/rc.d/rc.sysinit: line 39: /dev/tty8: No such device
[1] Welcome to Fedora Core
[1] Press 'I' to enter interactive startup.
[1] Configuring kernel parameters:  [  OK  ]
[1] modprobe: modprobe: Can't locate module char-major-10-135
[1] modprobe: modprobe: Can't locate module char-major-4
[1] hwclock is unable to get I/O port access:  the iopl(3) call failed.
[1] Setting clock  (localtime): Wed Apr 21 19:57:00 EDT 2004 [  OK  ]
[1] Setting hostname localhost.localdomain:  [  OK  ]
[1] Checking root filesystem
[1] [/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a /dev/sda1
[1] /dev/sda1: clean, 23916/122624 files, 53024/244983 blocks
[1] [  OK  ]
[1] Remounting root filesystem in read-write mode:  [  OK  ]
[1] Activating swap partitions:  [  OK  ]
[1] Finding module dependencies:  [  OK  ]
[1] Checking filesystems
[1] Checking all file systems.
[1] [/sbin/fsck.ext3 (1) -- /usr] fsck.ext3 -a /dev/sda6
[1] /dev/sda6: clean, 29742/122624 files, 201088/244983 blocks
[1] Error writing block 488 (Attempt to write block from filesystem resulted i
short write).  Error writing block 488 (Attempt to write block from filesystem
esulted in short write).
[1]
[1] /dev/sda6: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
[1] (i.e., without -a or -p options)
[1]
[1]
[1] /dev/sda6: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
[1] (i.e., without -a or -p options)
[1] [FAILED]
[1]
[1] *** An error occurred during the file system check.
[1] *** Dropping you to a shell; the system will reboot
[1] *** when you leave the shell.
[1] Give root password for maintenance
^C
[root@pe-dyn221 ir]#
----

On Wed, 21 Apr 2004, Rolf Neugebauer wrote:

>
>
> On Wed, 2004-04-21 at 18:21, I RATTAN wrote:
> > I am confused:
> >
> > dom0 /usr is /dev/hda6
> >
> > and
> >
> > dom1 /usr is /dev/sd6 which is mapped to /dev/hda7
> >
> > does it mean even these are separate physical entities, they
> > have to mounted read-only?
>
> if they are separate physical partitions mounting rw should be fine. We
> normally just use one /usr partition and mount it ro to all domains.
>
> to things to get closer to the root of your problem:
>
> can you show us the output of 'mount' in dom0?
>
> can you change the LABEL= entries in /etc/fstab to contain the /dev/hda*
> partition names.
>
> depending on how you created your partitions you might have multiple
> partitions with the same label. I generally avoid using labels and use
> the explicit devices.
>
> Thanks
> Rolf


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