file system

Question

In particular unix OS each data block is of size 1024 bytes each node has 10 direct data blocks and 2-additional addresses one for single indirect block and one for double indirect block. Each block is addressed with 64 byte. The maximum possible size of file in the file system (in KB) is ?

My answer:282

answer given 256.? anyone help.

Comments

256is correct

Answer 1

No. of addresses per disk block = 1024/64 = 16 

File size = 10*1024 + 16*1024 + 16*16*1024 = 282 KB

File size is 282 KB 

Comments

yes 282 must be.

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@reena_kandari

@Ashwani Kumar 2

Is max file size and total file size is same, because in the question they are asking about maximum possible size of file.

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Maximum File Size  . 

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Maximum possible file size :

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What is the difference between MAXIMUM FILE SIZE and MAXIMUM POSSIBLE FILE SIZE.

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maximum file size we only consider highest indirect pointer

where as MAXIMUM POSSIBLE FILE SIZE consider all pointers ..

see above formulas .. u understand the difference

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Go through the discussion here :

https://gateoverflow.in/117083/maximum-file-size

Answer 2

no

@kunal

282 should be answer ryt...