# block device problem

**URL:** <https://community.unix.com/t/block-device-problem/159015>\
**Category:** Solaris\
**Created:** [January 24, 2006, 12:00pm UTC](https://community.unix.com/t/block-device-problem/159015 "2006-01-24T12:00:45Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![tt155](https://community.unix.com/letter_avatar/tt155/32/6_22734026db12803ebb3e059622ac3534.png) [@tt155](https://community.unix.com/u/tt155)\
**Post date:** [January 24, 2006, 12:00pm UTC](https://community.unix.com/t/block-device-problem/159015/1 "2006-01-24T12:00:45Z")

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Hi ......  
I have file system problem when i try to mount get the following message :  
mount: /dev/rdsk/c1t4d0s7 not a block device ....

I run fsck it's ok ,,,, after run  
newfs -N /dev/dsk/c1t4d0s7 and  
fsck -o b=535952 /dev/dsk/c1t4d0s7 .............it's ok ........  
At the and when i try to mount file system i get the error......

I have no backup :-(((

Tnks in advance .............

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**Author:** ![Perderabo](https://community.unix.com/user_avatar/community.unix.com/perderabo/32/27_2.png) [@Perderabo](https://community.unix.com/u/Perderabo)\
**Post date:** [January 24, 2006, 12:14pm UTC](https://community.unix.com/t/block-device-problem/159015/2 "2006-01-24T12:14:59Z")

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/dev/rdsk/c1t4d0s7 is wrong. You need to use:  
/dev/dsk/c1t4d0s7 when you mount.

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<div class="post-metadata">

**Author:** ![tt155](https://community.unix.com/letter_avatar/tt155/32/6_22734026db12803ebb3e059622ac3534.png) [@tt155](https://community.unix.com/u/tt155)\
**Post date:** [January 30, 2006, 6:48am UTC](https://community.unix.com/t/block-device-problem/159015/3 "2006-01-30T06:48:08Z")

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Tnks !!! :-))) i resolved tnks to you .....................