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Please advice why I get the following errors: sfdisk: seek error on /dev/cciss/c0d0 - cannot seek to 533078016 (the last lines with the error) when I run the sfdisk command

remark my disk = 300G

    more c0d0-partition-info.sfdisk

    # partition table of /dev/cciss/c0d0
    unit: sectors

    /dev/cciss/c0d0p1 : start=       63, size=   401562, Id=83, bootable
    /dev/cciss/c0d0p2 : start=   401625, size=266331943, Id=83
    /dev/cciss/c0d0p3 : start=266733568, size=266342400, Id=83
    /dev/cciss/c0d0p4 : start=533078016, size= 52783104, Id= 5
    /dev/cciss/c0d0p5 : start=533080064, size= 25511936, Id=83
    /dev/cciss/c0d0p6 : start=558594048, size= 16771072, Id=82
    /dev/cciss/c0d0p7 : start=575367168, size= 10489856, Id=83

sfdisk --force /dev/cciss/c0d0 < c0d0-partition-info.sfdisk

 Disk /dev/cciss/c0d0: 35132 cylinders, 255 heads, 32 sectors/track
 Old situation:
 Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

 Device Boot Start     End   #cyls    #blocks   Id  System
 /dev/cciss/c0d0p1   *      0+     24      25-    200781   83  Linux
 /dev/cciss/c0d0p2         25    7334    7310   58717575   83  Linux
 /dev/cciss/c0d0p3       7335   14644    7310   58717575   83  Linux
 /dev/cciss/c0d0p4      14645   17843    3199   25695967+   5  Extended
 /dev/cciss/c0d0p5      14645+  16146    1502-  12064783+  83  Linux
 /dev/cciss/c0d0p6      16147+  17190    1044-   8385898+  82  Linux swap / Solaris
 /dev/cciss/c0d0p7      17191+  17843     653-   5245191   83  Linux
 New situation:
 Units = sectors of 512 bytes, counting from 0

 Device Boot    Start       End   #sectors  Id  System
 /dev/cciss/c0d0p1   *        63    401624     401562  83  Linux
 /dev/cciss/c0d0p2        401625 266733567  266331943  83  Linux
 /dev/cciss/c0d0p3     266733568 533075967  266342400  83  Linux
 /dev/cciss/c0d0p4     533078016 585861119   52783104   5  Extended
 /dev/cciss/c0d0p5     533080064 558591999   25511936  83  Linux
 /dev/cciss/c0d0p6     558594048 575365119   16771072  82  Linux swap / Solaris
 /dev/cciss/c0d0p7     575367168 585857023   10489856  83  Linux
 Re-reading the partition table ...

 d of disk
 lseek: Invalid argument

 sfdisk: seek error on /dev/cciss/c0d0 - cannot seek to 533078016
 If you created or changed a DOS partition, /dev/foo7, say, then use dd(1)
 to zero the first 512 bytes:  dd if=/dev/zero of=/dev/foo7 bs=512 count=1
 (See fdisk(8).)
share|improve this question
    
How big is your disk? (blockdev --getsize64 /dev/cciss/c0d0) –  MikeyB Aug 1 '11 at 20:05
1  
300G what? Giga-elephants? Gibi-elephants? Please post the output of the blockdev command so we can see exactly how big it is. Make it easy to help you. –  MikeyB Aug 2 '11 at 4:11

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