Thanks to Jeff Woolsey for this one. The problem was heavy fragmentation,
causing free blocks to be zero. fstyp reports this as "nbfree"
My original message was:
> /var/adm/messages reports one of our filesystems being full:
>
> 1. df -k shows 67% used
> /dev/dsk/c2t1d0s6 7859977 5189391 2591987 67% /usr11
>
> 2. Inodes are only 30% used (/usr/ucb/df -i)
> /dev/dsk/c2t1d0s6 2588912 6038288 30% /usr11
>
> 3. I cannot dd anything more than 1M onto the device, get "no space on
> device"
>
> 4. ncsize, ufs_ninode are both set to 120000 in /etc/system.
>
> 4a. lsof shows no open files or processes on that device.
>
> 5. FYI, fstyp -v shows :
>
> fstyp -v /dev/rdsk/c2t1d0s6 |more
> ufs
> magic 11954 format dynamic time Mon Oct 2 14:54:00 2000
> sblkno 16 cblkno 24 iblkno 32 dblkno 2728
> sbsize 2048 cgsize 7168 cgoffset 160 cgmask 0xfffffff8
> ncg 400 size 8944800 blocks 7859977
> bsize 8192 shift 13 mask 0xffffe000
> fsize 1024 shift 10 mask 0xfffffc00
> frag 8 shift 3 fsbtodb 1
> minfree 1% maxbpg 2048 optim time
> maxcontig 128 rotdelay 0ms rps 120
> csaddr 2728 cssize 7168 shift 9 mask 0xfffffe00
> ntrak 5 nsect 320 spc 1600 ncyl 11181
> cpg 28 bpg 2800 fpg 22400 ipg 21568
> nindir 2048 inopb 64 nspf 2
> nbfree 19 ndir 1181622 nifree 6038332 nffree 2670565
> cgrotor 0 fmod 0 ronly 0
>
S
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