Please help me. Need it urgently.
On Tue, Nov 3, 2009 at 4:34 PM, rohan a <email@hidden> wrote:
> When I use
> # mkfile -nv 4g sparse
> on a 7GB Apple_UFS partition
> df -k gives me this :
> #df -k
> Filesystem 1024-blocks Used Available Capacity Mounted on
> /dev/disk2s3 7390568 40 7021000 1% /Volumes/UFSVolume
> This indicates that the file created is sparse since it shows Capacity as 1%
> On Tue, Nov 3, 2009 at 4:27 PM, Alastair Houghton
> <email@hidden> wrote:
>> On 2 Nov 2009, at 13:37, rohan a wrote:
>>> I am trying to identify if a particular file is a sparse file using
>>> I am using this : attrList.fileattr = ATTR_FILE_TOTALSIZE |
>>> According to the man page if ATTR_FILE_ALLOCSIZE <
>>> ATTR_FILE_TOTALSIZE the file is a sparse file.
>>> I created the sparse file using dd
>>> #dd if=/dev/zero of=sparse-file bs=1 count=0 seek=3g
>>> However, both AllocSize and TotalSize are returning the same size
>>> while actually AllocSize < TotalSize
>>> I am using UFS
>> Does Apple UFS even support sparse files? Remember, UFS is a name used by a
>> fair number of totally different and usually incompatible filesystems. I
>> haven't really ever bothered investigating exactly what Apple's UFS can and
>> can't do... indeed, I've always had the impression that it was only really
>> present for the benefit of old-time NeXT users who might have compatible
>> filesystems floating around already.
>> Kind regards,
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