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- From: riley@theory.TC.Cornell.EDU (Daniel S. Riley)
- Subject: Re: Finding a Filesystem's Minimum Free Space
- Message-ID: <1992Sep1.143601.14135@tc.cornell.edu>
- Sender: news@tc.cornell.edu
- Nntp-Posting-Host: theory.tc.cornell.edu
- Organization: Cornell Theory Center
- References: <1992Sep1.133933.27437@dxcern.cern.ch>
- Date: Tue, 1 Sep 1992 14:36:01 GMT
- Lines: 26
-
- In article <1992Sep1.133933.27437@dxcern.cern.ch> matheys@online.cern.ch writes:
- >How can one find-out the amount of space "reserved from the normal users"
- >as the man page says ? By default it's 10% (set by the newfs -m default).
- >But how does one get "the" number from Ultrix ?
-
- root_lns276> dumpfs /dev/rrz0c | head
- magic 11954 time Tue Sep 1 10:24:07 1992
- sblkno 2 cblkno 3 iblkno 4 dblkno 15
- sbsize 8192 cgsize 8192 cgoffset 6 cgmask 0xfffffff0
- ncg 65 size 172893 blocks 172045
- bsize 8192 shift 13 mask 0xffffe000
- fsize 8192 shift 13 mask 0xffffe000
- frag 1 shift 0 fsbtodb 4
- minfree 5% maxbpg 4096
- ^^^^^^^^^^
- maxcontig 1 rotdelay 0ms rps 60
- csaddr 15 cssize 8192 shift 9 mask 0xfffffe00
-
- (this is from a Wren VIII formatted with "-f 8192 -c 32 -i 32768 -m 5")
-
- You can also change the number without reformatting--see the "tunefs"
- man page for details.
-
- --
- -Dan Riley Internet: dsr@lns598.tn.cornell.edu
- -Wilson Lab, Cornell University HEPNET/SPAN: lns598::dsr (44630::dsr)
-