Re: mke2fs & capacity (where did it go!?)
On Mon, 15 Dec 1997, David Wright wrote:
> On Sun, 14 Dec 1997, matthew tebbens wrote:
> > (victor)[root:~#] mke2fs -c -v /dev/sda1
> > mke2fs 1.10, 24-Apr-97 for EXT2 FS 0.5b, 95/08/09
> > Linux ext2 filesystem format
> > Filesystem label=
> > 1101824 inodes, 4401778 blocks
> > 220088 blocks (5.00%) reserved for the super user
> > First data block=1
> > Block size=1024 (log=0)
> > Fragment size=1024 (log=0)
> > 538 block groups
> > 8192 blocks per group, 8192 fragments per group
> > 2048 inodes per group
> > Superblock backups stored on blocks:
> > ....etc
> > Here is what 'df' says about the drives:
> > Filesystem 1024-blocks Used Available Capacity Mounted on
> > /dev/hdb1 705433 485054 183942 73% /
> > /dev/sda1 4253289 509553 3523648 13% /var/sda1
> > /dev/sdb1 4253289 13 4033188 0% /var/sdb1
> > /dev/sdc1 4253289 13 4033188 0% /var/sdc1
> > /dev/sdd1 4253289 13 4033188 0% /var/sdd1
> > This says I have 4,033,188 to play with plus 220,088 for reserved.
> > Now, if I add those together I get 4,253,276.
> > This is not even close to the stated formatted capacity of 4.51gigs.
> > What am I missing here ??
> 4,033,188 + 220,088 + 13 = 4,253,289 so that's all right then.
> But that's not what's at issue.
> What's relevant is the 4,401,778 blocks which becomes 4,507,420,672 bytes.
> That looks better. But even that is only looking at the first partition
> (sda1, sdb1 etc.)
But I don't have 4,401,778 blocks, I only have a total of 4,253,289 blocks
which becomes aprox 4,355,367,000 bytes.
How does it get from 4,401,778 blocks to 4,253,289 blocks ?
Somewhere along the line I lost about 250,000 blocks... ??
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