n Tue, Apr 21, 2009 at 8:37 AM, jackson byers <[email protected]> wrote: > # fdisk -l > > Disk /dev/sda: 36.7 GB, 36703934464 bytes > 255 heads, 63 sectors/track, 4462 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sda1 * 1 2676 21494938+ 83 Linux > /dev/sda2 2677 3163 3911827+ 82 Linux swap / Solaris > /dev/sda3 3164 4462 10434217+ 83 Linux > > sda1 size ~ 21.5 G > > but using df: > # df -kh > Filesystem Size Used Avail Use% Mounted on > /dev/sdb6 7.7G 5.6G 1.8G 77% / > tmpfs 1014M 0 1014M 0% /dev/shm > /dev/sda1 190M 5.6M 175M 4% /mnt/sda1 > > sda1 size = 190M
Andrew Parker wrote: >>df comes from the file system rather than the partition. is it >>possible that the sda1 partition was resized but not reformatted? >>if you can stand to lose the data, can you reformat the file system? >>do you then get the expected size? my problem is I dont know what happened, it occurred during a botched attempt at using the f10liveinstall cd to install (but backed out) It wasnt my intention to do anything to sda1 ( my target for install was sdb6) but somehow it clobbered sda1 contents, as seen by df, size 190M only 0.19G I dont know what that liveinstall attempt actually did but the _size_ as seen by fdisk is original size~21G so this tells me there was no resizing of the partition but df says size greatly reduced to 190M=0.19G I am now leery of doing anything until i understand what fdisk, df tell me I suppose my only choice now is to go ahead and reformat Jeff Voskamp wrote >Or just try "resize2fs /dev/sda1" to resize the filesystem to the size of the underlying >partition. >Jeff I will check out info or man page on resize2fs, thanks Stephen Berg wrote >Aren't the "Blocks" listed from fdisk 512 and not 1024? Your numbers >would agree quite nicely if so. > Stephen Berg I dont think that is correct. I dont know exact def of blocks but cyls*8225280bytes ~ 21G this also checks well on my sdb6 where i am now booted up in my fc5copy /dev/sdb6 1302 2321 8193118+ 83 Linux (2321-1302)*8225280= 8381560320 bytes Any other explanations as to how size reported by fdisk not same as size from df? Jack
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