Attachment 160500 Details for Bug 244975 – Terminal logs: mount using UUID fails on RHEL 5.0 for partitions

Terminal logs: mount using UUID fails on RHEL 5.0 for partitions

mount fails on RHEL5 also for partitions.txt (text/plain), 5.52 KB, created by Rajashekhar M A on 2007-08-02 06:50:18 UTC

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Creator: Rajashekhar M A

Created: 2007-08-02 06:50:18 UTC

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obsolete

>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# uname -a
>Linux lnx199-115 2.6.18-8.el5 #1 SMP Fri Jan 26 14:15:14 EST 2007 x86_64 x86_64 x86_64 GNU/Linux
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# mkfs.ext3 /dev/mapper/mpath18
>mke2fs 1.39 (29-May-2006)
>Filesystem label=
>OS type: Linux
>Block size=4096 (log=2)
>Fragment size=4096 (log=2)
>1310720 inodes, 2621440 blocks
>131072 blocks (5.00%) reserved for the super user
>First data block=0
>Maximum filesystem blocks=2684354560
>80 block groups
>32768 blocks per group, 32768 fragments per group
>16384 inodes per group
>Superblock backups stored on blocks:
>        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632
>
>Writing inode tables: done
>Creating journal (32768 blocks): done
>Writing superblocks and filesystem accounting information: done
>
>This filesystem will be automatically checked every 26 mounts or
>180 days, whichever comes first.  Use tune2fs -c or -i to override.
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# dumpe2fs /dev/mapper/mpath18 | grep UUID
>dumpe2fs 1.39 (29-May-2006)
>Filesystem UUID:          23916b23-20a5-45ed-bbe0-e7829bfdb3ca
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# mount UUID=23916b23-20a5-45ed-bbe0-e7829bfdb3ca /mnt/lun1
>[root@lnx199-115 ~]# df
>Filesystem           1K-blocks      Used Available Use% Mounted on
>/dev/sda1             65367128   6296516  55696564  11% /
>tmpfs                  1029880         0   1029880   0% /dev/shm
>whitesnake.eng.btc.netapp.in:/vol/home1/rajs
>                     2516582400 1772516512 744065888  71% /root/rajs
>/dev/dm-0             10321208    154236   9642684   2% /mnt/lun1
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# umount /mnt/lun1
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# multipath -ll
>mpath18 (360a980004334652f526f43542f726264) dm-0 NETAPP,LUN
>[size=10G][features=0][hwhandler=0]
>\_ round-robin 0 [prio=8][active]
> \_ 4:0:0:0 sdb 8:16  [active][ready]
> \_ 5:0:0:0 sdd 8:48  [active][ready]
>\_ round-robin 0 [prio=2][enabled]
> \_ 4:0:1:0 sdc 8:32  [active][ready]
> \_ 5:0:1:0 sde 8:64  [active][ready]
>[root@lnx199-115 ~]# fdisk /dev/sdb
>Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
>Building a new DOS disklabel. Changes will remain in memory only,
>until you decide to write them. After that, of course, the previous
>content won't be recoverable.
>
>
>The number of cylinders for this disk is set to 10240.
>There is nothing wrong with that, but this is larger than 1024,
>and could in certain setups cause problems with:
>1) software that runs at boot time (e.g., old versions of LILO)
>2) booting and partitioning software from other OSs
>   (e.g., DOS FDISK, OS/2 FDISK)
>Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
>
>Command (m for help): n
>Command action
>   e   extended
>   p   primary partition (1-4)
>p
>Partition number (1-4): 1
>First cylinder (1-10240, default 1):
>Using default value 1
>Last cylinder or +size or +sizeM or +sizeK (1-10240, default 10240): 500
>
>Command (m for help): n
>Command action
>   e   extended
>   p   primary partition (1-4)
>p
>Partition number (1-4): 2
>First cylinder (501-10240, default 501):
>Using default value 501
>Last cylinder or +size or +sizeM or +sizeK (501-10240, default 10240): 6000
>
>Command (m for help): n
>Command action
>   e   extended
>   p   primary partition (1-4)
>p
>Partition number (1-4): 3
>First cylinder (6001-10240, default 6001):
>Using default value 6001
>Last cylinder or +size or +sizeM or +sizeK (6001-10240, default 10240):
>Using default value 10240
>
>Command (m for help): w
>The partition table has been altered!
>
>Calling ioctl() to re-read partition table.
>Syncing disks.
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# kpartex -a /dev/mapper/mpath18
>-bash: kpartex: command not found
>[root@lnx199-115 ~]# kpartx -a /dev/mapper/mpath18
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# ll /dev/mapper/
>total 0
>crw------- 1 root root  10, 63 Aug  1 18:31 control
>brw-rw---- 1 root disk 253,  0 Aug  2 17:24 mpath18
>brw-rw---- 1 root disk 253,  1 Aug  2 17:34 mpath18p1
>brw-rw---- 1 root disk 253,  2 Aug  2 17:34 mpath18p2
>brw-rw---- 1 root disk 253,  3 Aug  2 17:34 mpath18p3
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# mkfs.ext3 /dev/mapper/mpath18p1
>mke2fs 1.39 (29-May-2006)
>Filesystem label=
>OS type: Linux
>Block size=1024 (log=0)
>Fragment size=1024 (log=0)
>128016 inodes, 511984 blocks
>25599 blocks (5.00%) reserved for the super user
>First data block=1
>Maximum filesystem blocks=67633152
>63 block groups
>8192 blocks per group, 8192 fragments per group
>2032 inodes per group
>Superblock backups stored on blocks:
>        8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
>
>Writing inode tables: done
>Creating journal (8192 blocks): done
>Writing superblocks and filesystem accounting information: done
>
>This filesystem will be automatically checked every 28 mounts or
>180 days, whichever comes first.  Use tune2fs -c or -i to override.
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# dumpe2fs /dev/mapper/mpath18p1 | grep UUID
>dumpe2fs 1.39 (29-May-2006)
>Filesystem UUID:          d1bd7e20-5a6f-4308-978e-fb300a191eb3
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]#
>[root@lnx199-115 ~]# mount UUID=d1bd7e20-5a6f-4308-978e-fb300a191eb3 /mnt/lun1
>mount: /dev/sdb1 already mounted or /mnt/lun1 busy
>[root@lnx199-115 ~]#

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