Bad Hammer zone statistics

Antony T Curtis atcurtis at gmail.com
Thu Jun 2 10:54:42 PDT 2016


Overall size of the disk is around 12 Tb.

slightly different result from checkmap, likely because it is a mounted
volume...

M block=200004b1f4800000 zone=11 calc 5386240 free, got 5470496
>
> BM block=200005e72e000000 zone=9  calc 5999696 free, got 5999824
>
> BM block=200006400c800000 zone=10 calc 7995392 free, got 8001360
>
> BM block=2000064225000000 zone=10 calc 8192000 free, got 8257536
>
> BM block=2000064225800000 zone=10 calc 8192000 free, got 8126464
>
> BM block=200006445d800000 zone=10 calc 8126464 free, got 8060928
>
> BM block=200006445f000000 zone=10 calc 8323072 free, got 8257536
>
> BM block=2000077674000000 zone=10 calc 6864896 free, got 7192576
>
> HAMMER zone statistics
>
> zone #  blocks       items              used[B]             used[%]
>
> zone 0  0            0                  0                   0
>
> zone 1  0            0                  0                   0
>
> zone 2  0            0                  0                   0
>
> zone 3  128          0                  1073741824          100
>
> zone 4  4            0                  33554432            100
>
> zone 5  0            0                  0                   0
>
> zone 6  0            0                  0                   0
>
> zone 7  0            0                  0                   0
>
> zone 8  1029         0                  7988363264          92.5449
>
> zone 9  1443         0                  2183889824          18.0416
>
> zone 10 330736       0                  2911421278384       104.938
>
> zone 11 1154         0                  14288724672         147.604
>
> zone 12 0            0                  0                   0
>
> zone 13 0            0                  0                   0
>
> zone 14 0            0                  0                   0
>
> zone 15 0            0                  0                   0
>
> ----------------------------------------------------------------------
>
> total   334494       0                  2936989552400       104.67
>
> 0 bad nodes
>
> 8 errors
>


On 2 June 2016 at 10:42, Tomohiro Kusumi <kusumi.tomohiro at gmail.com> wrote:

> 1. What's your approximate disk size (or sum of disks) ?
>
> 2. If your total block counts from blockmap output matches your disk size,
> > zone 0  1095221      0                  18446744073709486080 2.00784e+06
> this line from blockmap output shows your layer2 metadata probably had
> bad (broken) free_bytes.
> Can't tell how it was broken from this output though.
>
> 3. What are the 10 errors for checkmap ?
> You have output before statistics that indicates those errors.
>
>
> 2016-06-03 2:32 GMT+09:00 Antony T Curtis <atcurtis at gmail.com>:
> > Hammer checkmap shows this instead:
> >>
> >> HAMMER zone statistics
> >>
> >> zone #  blocks       items              used[B]             used[%]
> >>
> >> zone 0  0            0                  0                   0
> >>
> >> zone 1  0            0                  0                   0
> >>
> >> zone 2  0            0                  0                   0
> >>
> >> zone 3  128          0                  1073741824          100
> >>
> >> zone 4  4            0                  33554432            100
> >>
> >> zone 5  0            0                  0                   0
> >>
> >> zone 6  0            0                  0                   0
> >>
> >> zone 7  0            0                  0                   0
> >>
> >> zone 8  1029         0                  7988092928          92.5418
> >>
> >> zone 9  1443         0                  2183767648          18.0406
> >>
> >> zone 10 330734       0                  2911406172336       104.938
> >>
> >> zone 11 1154         0                  14287486768         147.591
> >>
> >> zone 12 0            0                  0                   0
> >>
> >> zone 13 0            0                  0                   0
> >>
> >> zone 14 0            0                  0                   0
> >>
> >> zone 15 0            0                  0                   0
> >>
> >> ----------------------------------------------------------------------
> >>
> >> total   334492       0                  2936972815936       104.67
> >>
> >> 0 bad nodes
> >>
> >> 10 errors
> >
> >
> >
> > On 2 June 2016 at 10:14, Antony T Curtis <atcurtis at gmail.com> wrote:
> >>
> >> This is from a hammer blockmap command.
> >>
> >> On 2 June 2016 at 10:13, Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
> >> wrote:
> >>>
> >>> From which command is this from ?
> >>> It's not hammer show (because hammer show has non 0 items), so I
> >>> assume either blockmap or checkmap.
> >>>
> >>> 2016-06-03 2:05 GMT+09:00 Antony T Curtis <atcurtis at gmail.com>:
> >>> > Is there any info as to how to repair a Hammer volume or should I
> >>> > simply try
> >>> > to backup and restore?
> >>> >
> >>> >> HAMMER zone statistics
> >>> >>
> >>> >> zone #  blocks       items              used[B]             used[%]
> >>> >>
> >>> >> zone 0  1095221      0                  18446744073709486080
> >>> >> 2.00784e+06
> >>> >>
> >>> >> zone 1  0            0                  0                   0
> >>> >>
> >>> >> zone 2  0            0                  0                   0
> >>> >>
> >>> >> zone 3  128          0                  1073741824          100
> >>> >>
> >>> >> zone 4  4            0                  33554432            100
> >>> >>
> >>> >> zone 5  0            0                  0                   0
> >>> >>
> >>> >> zone 6  0            0                  0                   0
> >>> >>
> >>> >> zone 7  0            0                  0                   0
> >>> >>
> >>> >> zone 8  1029         0                  7986941952          92.5284
> >>> >>
> >>> >> zone 9  1443         0                  2183756816          18.0405
> >>> >>
> >>> >> zone 10 330680       0                  2910941826784       104.939
> >>> >>
> >>> >> zone 11 1154         0                  14287415824         147.59
> >>> >>
> >>> >> zone 12 0            0                  0                   0
> >>> >>
> >>> >> zone 13 0            0                  0                   0
> >>> >>
> >>> >> zone 14 0            0                  0                   0
> >>> >>
> >>> >> zone 15 143205       0                  1201290608640       100
> >>> >>
> >>> >>
> ----------------------------------------------------------------------
> >>> >>
> >>> >> total   1572864      0                  4137797780736       31.3609
> >>> >>
> >>> >> 0 bad layer1
> >>> >>
> >>> >> 0 bad layer2
> >>> >
> >>> >
> >>> >
> >>> >
> >>> > --
> >>> > Antony T Curtis
> >>> >
> >>
> >>
> >>
> >>
> >> --
> >> Antony T Curtis
> >> 0523 C487 9187 6972 6894
> >> AEC7 3087 F819 B477 B687
> >
> >
> >
> >
> > --
> > Antony T Curtis
> > 0523 C487 9187 6972 6894
> > AEC7 3087 F819 B477 B687
>



-- 
Antony T Curtis
0523 C487 9187 6972 6894
AEC7 3087 F819 B477 B687
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