Date: Thu, 26 Oct 2006 21:17:59 +1000 From: Tony Maher <anthony.maher@uts.edu.au> To: Andrew Reilly <andrew-freebsd@areilly.bpc-users.org> Cc: Randy Bush <randy@psg.com>, Robert Watson <rwatson@FreeBSD.org>, Doug Barton <dougb@FreeBSD.org>, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: 5 to 6 Message-ID: <45409967.7030702@uts.edu.au> In-Reply-To: <20061026074654.GC47902@duncan.reilly.home> References: <17719.43574.819134.370333@roam.psg.com> <20061020005501.R32598@fledge.watson.org> <20061023060431.GA3186@duncan.reilly.home> <453D9F1A.5040803@FreeBSD.org> <20061026060221.GA47902@duncan.reilly.home> <4540525D.1090308@uts.edu.au> <20061026074654.GC47902@duncan.reilly.home>
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Andrew Reilly wrote:
> On Thu, Oct 26, 2006 at 04:14:53PM +1000, Tony Maher wrote:
>
>>dumpfs / | more
>>magic 19540119 (UFS2) time Thu Oct 26 14:29:14 2006
>
>
> Thanks for the tip. Same on this system, so I must have given
> it a proper clean install when I moved to 5.3.
>
> The dumpfs output seems to say a lot of interesting things.
> Might dumpfs /usr be able to tell me why the 6.2-BETA
> kernel/fsck can't find it's super-blocks?
Sorry do not know much about these commands
but doesn't ffsinfo show superblock info?
ffsinfo -o /var/tmp/ffsinfo.log /
===== START SUPERBLOCK =====
# 0@80808c4: primary sblock
sblkno int32_t 0x00000028
cblkno int32_t 0x00000030
iblkno int32_t 0x00000038
dblkno int32_t 0x00000bb8
old_cgoffset int32_t 0x00000000
old_cgmask int32_t 0x00000000
old_time int32_t 0
old_size int32_t 0x00000000
...
state int32_t 0x00000000
old_postblformat int32_t 0x00000000
old_nrpos int32_t 0x00000000
spare5 int32_t[2] 0x00000000 0x00000000
magic int32_t 0x19540119
===== END SUPERBLOCK =====
> Hmm, that's odd. Most of the 400 cylinder groups in /usr have a
> "time" value that is in about the last month (most much closer
> to "now" than that). The very last one doesn't seem to have
> been touched since Jul 2005, which is plausibly when I formatted
> it. Neither does it list any inodes used. Is this normal
> behaviour or a sign of something ill?
I see:
magic 19540119 (UFS2) time Thu Oct 26 20:55:15 2006
superblock location 65536 id [ 42d64d1d 5cdf5278 ]
ncg 6 size 524288 blocks 506487
bsize 16384 shift 14 mask 0xffffc000
fsize 2048 shift 11 mask 0xfffff800
frag 8 shift 3 fsbtodb 2
minfree 8% optim time symlinklen 120
maxbsize 16384 maxbpg 2048 maxcontig 8 contigsumsize 8
nbfree 48586 ndir 107 nifree 136086 nffree 1667
bpg 11761 fpg 94088 ipg 23552
nindir 2048 inopb 64 maxfilesize 140806241583103
sbsize 2048 cgsize 16384 csaddr 3000 cssize 2048
sblkno 40 cblkno 48 iblkno 56 dblkno 3000
cgrotor 4 fmod 0 ronly 0 clean 0
avgfpdir 64 avgfilesize 16384
flags none
fsmnt /
volname swuid 0
cs[].cs_(nbfree,ndir,nifree,nffree):
(10282,26,23415,292) (5367,10,21384,206) (5706,16,21567,1081) (10078,25,2269
6,84)
(10792,30,23472,4) (6361,0,23552,0)
blocks in last group 6731
cg 0:
magic 90255 tell 18000 time Fri Oct 13 17:27:50 2006
cgx 0 ndblk 94088 niblk 23552 initiblk 256
nbfree 10282 ndir 26 nifree 23415 nffree 292
rotor 15880 irotor 7 frotor 3104
frsum 1 3 1 16 11 19 7
sum of frsum: 292
clusters 1-7: 7 2 2 13 1 0 0
clusters size 8 and over: 6
clusters free: 384, 413, 439, 444, 473-475, 477,
540-541, 544-545, 550, 626-630, 636, 675-686,
695-698, 745-748, 795-798, 837-850, 866-868, 887-1042,
1051-1054, 1101-1104, 1151-1154, 1201-1204, 1251-1254, 1301-1304,
1351-1354, 1401-1404, 1451-1454, 1501-1504, 1543-1786, 1971-1985,
1994-11760
inodes used: 0-14, 16-61, 63-65, 67-136, 138-140
blks free: 3002-3007, 3009-3015, 3017-3023, 3027-3031, 3050-3055, 3066-3085,
3091-3095, 3098-3103, 3122-3127, 3130-3135, 3138-3149, 3152-3157,
3163-3167, 3171-3175, 3179-3183, 3187-3196, 3266-3271, 3276-3279,
3285-3287, 3296-3301, 3304-3311, 3328-3331, 3344-3347, 3354-3364,
3374-3375, 3384-3389, 3392-3398, 3400-3406, 3408-3412, 3416-3419,
3424-3430, 3432-3438, 3440-3446, 3448-3453, 3472-3477, 3512-3519,
3540-3543, 3548-3559, 3576-3581, 3647-3653, 3764-3767, 3774-3775,
3784-3813, 3816-3823, 4051-4055, 4244-4247, 4315-4335, 4352-4367,
4396-4407, 4414-4415, 4564-4567, 4652-4655, 4740-4743, 4828-4831,
4916-4919, 5004-5047, 5088-5095, 5400-5495, 5560-5591, 5960-5991,
6360-6391, 6696-6807, 6924-6951, 7096-8343, 8408-8439, 8808-8839,
9208-9239, 9608-9639, 10008-10039, 10408-10439, 10808-10839, 11208-11239,
11608-11639, 12008-12039, 12344-14295, 15768-15887, 15952-94087
...
--
tonym
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