Hello,

today there were problems with the Fossil FS on my Plan9 test
installation. I got first something like:

"iostate is 2 in blockwrite"

I did than the following steps. 

I would like to ask if this is the right way to fix a Fossil FS? I 
am new to 
Plan9 but I come from the Unix world and this was close to my Unix 
experience.

Regards,
Bernd


What I did:

con -l /srv/fossil
prompt: fsys main
main: check

main: check
checking epoch 1...
check: visited 1/1377184 blocks (0%)
check: visited 13772/1377184 blocks (1%)
check: visited 27543/1377184 blocks (2%)
check: visited 41314/1377184 blocks (3%)
check: visited 55085/1377184 blocks (4%)
fsys blocks: total=1377184 used=63411(4.6%) free=1308340(95.0%) 
lost=5433(0.4%)

error: source has been removed: /active/sys/src/fs/wrens/wrens.8 -> 
72
error: source has been removed: /active/sys/src/fs/wrens/uidgid.8 -
> 47
error: source has been removed: /active/sys/src/fs/wrens/udp.8 -> 
62
error: source has been removed: /active/sys/src/fs/wrens/trap.8 -> 
25
error: source has been removed: /active/sys/src/fs/wrens/toy.8 -> 
24
error: source has been removed: /active/sys/src/fs/wrens/timezone.h 
-> 46
error: source has been removed: /active/sys/src/fs/wrens/time.8 -> 
71
error: source has been removed: /active/sys/src/fs/wrens/sub.8 -> 
45
error: source has been removed: /active/sys/src/fs/wrens/sntp.8 -> 
61
error: source has been removed: /active/sys/src/fs/wrens/rawcopy.8 -
> 44
error: source has been removed: /active/sys/src/fs/wrens/proc.8 -> 
43
error: source has been removed: /active/sys/src/fs/wrens/print.8 -> 
42
error: source has been removed: /active/sys/src/fs/wrens/pci.8 -> 
23
error: source has been removed: /active/sys/src/fs/wrens/pc.8 -> 22
error: source has been removed: /active/sys/src/fs/wrens/part.8 -> 
54
...

main: check fix
...
error: source has been removed: /active/sys/src/fs/wrens/cga.8 -> 
14
error: could not open source: /active/sys/src/fs/wrens/bootflp -> 
75: corrupted file entry
error: source has been removed: /active/sys/src/fs/wrens/auth.8 -> 
27
error: source has been removed: /active/sys/src/fs/wrens/ata.8 -> 
13
error: source has been removed: /active/sys/src/fs/wrens/arp.8 -> 
55
error: source has been removed: /active/sys/src/fs/wrens/aoe.8 -> 
48
error: source has been removed: 
/active/sys/src/fs/wrens/9wrensfs.gz -> 74
error: source has been removed: /active/sys/src/fs/wrens/9wrensfs -
> 73
error: source has been removed: /active/sys/src/fs/wrens/9p2.8 -> 
26
error: source has been removed: /active/sys/src/fs/wrens/8253.8 -> 
12
error: source has been removed: /active/sys/src/fs/wrens/8250.8 -> 
11
fsck: 65 clri, 0 clre, 0 clrp, 5433 bclose


Next check:

main: check
checking epoch 1...
check: visited 1/1377184 blocks (0%)
check: visited 13772/1377184 blocks (1%)
check: visited 27543/1377184 blocks (2%)
check: visited 41314/1377184 blocks (3%)
check: visited 55085/1377184 blocks (4%)
fsys blocks: total=1377184 used=63411(4.6%) free=1313773(95.4%) 
lost=0(0.0%)
error: non referenced entry in source /active/sys/src/fs/wrens[10]
error: non referenced entry in source /active/sys/src/fs/wrens[11]
error: non referenced entry in source /active/sys/src/fs/wrens[12]
error: non referenced entry in source /active/sys/src/fs/wrens[13]
error: non referenced entry in source /active/sys/src/fs/wrens[14]
error: non referenced entry in source /active/sys/src/fs/wrens[15]
error: non referenced entry in source /active/sys/src/fs/wrens[16]
error: non referenced entry in source /active/sys/src/fs/wrens[17]
error: non referenced entry in source /active/sys/src/fs/wrens[18]
error: non referenced entry in source /active/sys/src/fs/wrens[19]
error: non referenced entry in source /active/sys/src/fs/wrens[20]
error: non referenced entry in source /active/sys/src/fs/wrens[21]
error: non referenced entry in source /active/sys/src/fs/wrens[22]
error: non referenced entry in source /active/sys/src/fs/wrens[23]
error: non referenced entry in source /active/sys/src/fs/wrens[24]
error: non referenced entry in source /active/sys/src/fs/wrens[25]
error: non referenced entry in source /active/sys/src/fs/wrens[26]
error: non referenced entry in source /active/sys/src/fs/wrens[27]
error: non referenced entry in source /active/sys/src/fs/wrens[28]
error: non referenced entry in source /active/sys/src/fs/wrens[29]
error: non referenced entry in source /active/sys/src/fs/wrens[30]
error: non referenced entry in source /active/sys/src/fs/wrens[31]
...
error: non referenced entry in source /active/sys/src/fs/wrens[74]
fsck: 0 clri, 64 clre, 0 clrp, 0 bclose


Stop system

cpu% fshalt
syncing.../srv/fscons...
main: venti...
halting.../srv/fscons...fsys all sync
main sync: wrote 7 blocks
done halting

Restart again

cpu% con -l /srv/fscons
prompt: fsys main
main: check
checking epoch 1...
check: visited 1/1377184 blocks (0%)
check: visited 13772/1377184 blocks (1%)
check: visited 27543/1377184 blocks (2%)
check: visited 41314/1377184 blocks (3%)
check: visited 55085/1377184 blocks (4%)
fsys blocks: total=1377184 used=63217(4.6%) free=1313773(95.4%) 
lost=194(0.0%)
fsck: 0 clri, 0 clre, 0 clrp, 194 bclose






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