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> Free Space Error, Disk full with 5gb free
Nodal
post Jan 27 2006, 07:40 AM
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I'm running a debian netinstall version of sarge I put in a few weeks ago (replacing essentially the same system I'd had in for about a year) and I've run into a problem. Despite the fact that there is about 5gb of free space on the partition it is reporting that my home area is nearly full.

df output:

Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 6728280 3937640 2448860 62% /
tmpfs 452700 0 452700 0% /dev/shm
/dev/sda6 100063352 94761420 218968 100% /home
/dev/hdd1 19969904 18310484 1659420 92% /backup
/dev/sda3 87931776 12508204 75423572 15% /mnt/windows


How can I correct the poor math of my system?
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Robert83
post Jan 27 2006, 08:03 AM
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Hi,

If the filesystem is ext3 then, maybe when it was created 5% was reserved for super user?

man mkfs.ext3 see -m option

Sincerely
Robert B

ps.: unfortunately I don't know how to remove this limit, or if it is even possible to alter it after the creation of file system, I will google a bit for it tough...


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Robert Becskei
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May the source be with us!
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Robert83
post Jan 27 2006, 08:10 AM
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Hi,

with tune2fs you can change the reserved space...

man tune2fs, I've never done this tough, so you might wanna try this on another disk to be sure?

see the -m option in the man , for details


Sincerely
Robert B


--------------------
Robert Becskei
robert83@linuxhelp.net
--------------------
May the source be with us!
--------------------
AMD X2-3800 @ 2400Mhz
2048MB DDR 400Mhz
DFI Lanparty UT4 NF4 ULTRA-D
GeForce 7800GT
250GB+250GB
Pioneer DVD-RW
17inch Samsung Syncmaster 757NF
WinXP Pro (SP2)/ CentOS 4.3
--------------------
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Nodal
post Jan 27 2006, 04:58 PM
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I don't think that's it. I don't really keep close tabs on my free space, but I'm pretty sure that that area has not been reserved. For some reason the system doesn't know it's empty.
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michaelk
post Jan 27 2006, 05:30 PM
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Is is an ext2 or ext3 filesystem?
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Nodal
post Jan 27 2006, 06:26 PM
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ext3
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michaelk
post Jan 28 2006, 03:55 AM
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Robert83 is correct. When an ext2/3 filesystem is created 5% by default is reserved for root. This is supposed to reduce fragmentation as well as allow root to login in case of problems and to perform routine maintenance. 100GB *.05 = 5GB.

Also as posted you can use tune2fs to reduce the amount of reserved space. I suggest 1%.
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