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Re: xfsdump INTERRUPT issue

To: Jeffrey Ellis <jellis@xxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: xfsdump INTERRUPT issue
From: "J. Ellis" <jellis@xxxxxxxx>
Date: Wed, 19 Dec 2012 11:10:39 -0500
Cc: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
In-reply-to: <CCF65180.B0AE2%jellis@xxxxxxxx>
Thread-index: Ac3davy71Gd/e2B0KU+D0uczEpi3rwAmGY5U
Thread-topic: xfsdump INTERRUPT issue
User-agent: Microsoft-Entourage/12.35.0.121009
Ok, here's the output of iostat, /proc/meminfo, and finally the report from
xfsrestore when interrupted.

Best,
J.


iostat -d -x -m 5


Linux 3.5.0-19-generic (jeffrey-MacPro)     12/19/2012     _i686_    (8 CPU)

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     8.00
0.00   31.27   31.27    0.00  31.27   0.01
sda               0.93     0.02    0.35    0.03     0.00     0.00    11.94
0.00    3.72    3.29    8.29   1.99   0.08
sdb               1.11     0.00    0.27    0.00     0.00     0.00     7.94
0.00    3.01    3.01    0.00   1.33   0.04
sdc               8.54     3.89    9.15    2.02     0.28     0.10    70.73
0.45   40.66   36.15   61.05   2.15   2.40

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     1.20    0.00    0.80     0.00     0.01    20.00
0.01    8.00    0.00    8.00   8.00   0.64

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.60    0.20    1.40     0.01     0.01    27.00
0.02    9.50   16.00    8.57   8.50   1.36

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     2.60    0.00   10.40     0.00     0.05    10.00
0.04    3.85    0.00    3.85   0.69   0.72

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.60    0.00    1.00     0.00     0.01    12.80
0.01   10.40    0.00   10.40   8.80   0.88

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   11.00    0.00   11.00  11.00   0.88

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   12.00    0.00   12.00  11.00   0.88

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   12.00    0.00   12.00  11.00   0.88

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    1.00     0.00     0.01    11.20
0.01    9.60    0.00    9.60   8.80   0.88

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.80    0.00    1.00     0.00     0.01    14.40
0.01    8.00    0.00    8.00   7.20   0.72

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.80    0.00    1.40     0.00     0.01    12.57
0.01    6.86    0.00    6.86   6.29   0.88

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   17.00    0.00   17.00  15.00   1.20

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   14.00    0.00   14.00  13.00   1.04

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   14.00    0.00   14.00  13.00   1.04

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   13.00    0.00   13.00  13.00   1.04

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   12.00    0.00   12.00  12.00   0.96

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     1.40    0.00    1.00     0.00     0.01    19.20
0.01   10.40    0.00   10.40  10.40   1.04

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.80    0.00    0.80     0.00     0.01    16.00
0.01   10.00    0.00   10.00  10.00   0.80

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   15.00    0.00   15.00  13.00   1.04

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   12.00    0.00   12.00  12.00   0.96

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.60    0.00    1.00     0.00     0.01    12.80
0.01   12.80    0.00   12.80  12.00   1.20

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    1.60     0.00     0.01     8.00
0.00    0.00    0.00    0.00   0.00   0.00

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    1.20     0.00     0.01    10.67
0.01    6.67    0.00    6.67   6.67   0.80

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.80    0.00    0.80     0.00     0.01    16.00
0.01   12.00    0.00   12.00  12.00   0.96

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.40    0.00    0.80     0.00     0.00    12.00
0.01   14.00    0.00   14.00  14.00   1.12

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     3.40    0.00    5.20     0.00     0.03    13.23
0.07   13.08    0.00   13.08  13.08   6.80

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     2.40    0.00    0.80     0.00     0.01    32.00
0.01   10.00    0.00   10.00  10.00   0.80

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
scd0              0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00
0.00    0.00    0.00    0.00   0.00   0.00



/proc/meminfo

MemTotal:        6184324 kB
MemFree:         4675040 kB
Buffers:          128624 kB
Cached:           635224 kB
SwapCached:            0 kB
Active:           846836 kB
Inactive:         523528 kB
Active(anon):     613228 kB
Inactive(anon):      296 kB
Active(file):     233608 kB
Inactive(file):   523232 kB
Unevictable:       31196 kB
Mlocked:           31196 kB
HighTotal:       5365768 kB
HighFree:        4073316 kB
LowTotal:         818556 kB
LowFree:          601724 kB
SwapTotal:       1023996 kB
SwapFree:        1023996 kB
Dirty:                96 kB
Writeback:             0 kB
AnonPages:        637720 kB
Mapped:           168112 kB
Shmem:              1224 kB
Slab:              69920 kB
SReclaimable:      48316 kB
SUnreclaim:        21604 kB
KernelStack:        3672 kB
PageTables:         8568 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     4116156 kB
Committed_AS:    3090448 kB
VmallocTotal:     122880 kB
VmallocUsed:       13916 kB
VmallocChunk:     105684 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        8184 kB
DirectMap2M:      905216 kB



^Cxfsrestore: SIGINT received

 ========================= status and control dialog
==========================

status at 10:52:05: 45/120310 files restored, 0.0% complete, 2049 seconds
elapsed


This was the same number of files restored reported when the process began.





on 12/18/12 4:59 PM, Jeffrey Ellis at jellis@xxxxxxxx wrote:

>> Any reason for running a 32 bit kernel on this hardware and not a 64
>> bit (x86_64) kernel?
> 
> Um... That was the .iso I downloaded.
> 
>> Other than that, I need to see the complete output of xfsdump up to
>> the point it is apparently hanging. When you think it has hung, can
>> you provide the output of `iostat -d -x -m 5` for a period of about
>> a minute to see if there is disk IO taking place? it would also be
>> handy to know if there is any cpu being used at the same time...
>> 
>> A snaphost of /proc/meminfo when you consider it hung would also be
>> useful...
> 
> Ok, I'll give it a shot tomorrow :)
> 
> Best,
> J.
> 
> 
> on 12/18/12 4:44 PM, Dave Chinner at david@xxxxxxxxxxxxx wrote:
> 
>> On Tue, Dec 18, 2012 at 03:44:29PM -0500, J. Ellis wrote:
>>> Since it's been a few days since my last post, I'm going to basically start
>>> from scratch.
>>> 
>>> I'm running the following commands under Ubuntu 12.10:
>>> 
>>> mkdir /mnt/fp
>>> mkdir /mnt/hr20
>>> mount -t xfs -o rtdev=/dev/sda3 /dev/sda2 /mnt/fp
>>> mount -t xfs -o rdev=/dev/sdb3 /dev/sdb2 /mnt/hr20
>>> xfsdump -J - /mnt/hr20 | xfsrestore -J - /mnt/fp
>>> 
>>> When run, I get this as my output:
>>> 
>>> xfsdump: WARNING: write to stdio failed: 32 (Broken pipe)
>>> xfsdump: ending media file
>>> xfsdump: media file size 18874368 bytes
>>> xfsdump: dump size (non-dir files) : 13698056 bytes
>>> xfsdump: NOTE: dump interrupted: 16 seconds elapsed
>>> xfsdump: Dump Status: INTERRUPT
>>> 
>>> This happens each time. In te forum where this copy procedure was
>>> suggested, they've been reporting that the latest xfsprogs is creating these
>>> errors, which didn't happen under at least somewhat earlier versions.
>>> 
>>> I tried dumping to a file and then restoring from the file to the fp volume
>>> by using these commands:
>>> 
>>> mount -t xfs -o rtdev=/dev/sda3 /dev/sda2 /mnt/fp
>>> mount -t xfs -o rtdev=/dev/sdb3 /dev/sdb2 /mnt/hr20
>>> xfsdump -J -f /Desktop/xfsdump_hr20 /mnt/hr20
>>> xfsrestore -J -f /Desktop/xfsdump_hr20 /mnt/p
>>> 
>>> When this is tried, the process starts, but never completes. After 4 hours
>>> it reported 0.0% complete. So it was stopped.
>> 
>> What is the output?
>> 
>>> kernel version: Linux jeffrey 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19
>>> 10:27:31 UTC 2012 i686 i686 i686 GNU/Linux
>> 
>> It's a 32 bit kernel. Interesting.
>> 
>>> xfsprogs version: xfs_repar version 3.1.8
>>> 
>>> number of CPU's: 8
>> 
>> SMP, and:
>> 
>>> contents of /proc/meminfo:
>>> MemTotal:        6184324 kB
>>> MemFree:         4986560 kB
>> 
>> PAE enabled, by the look of it.
>> 
>> Any reason for running a 32 bit kernel on this hardware and not a 64
>> bit (x86_64) kernel?
>> 
>>> dmesg output
>> ....
>>> [  295.334213] SGI XFS with ACLs, security attributes, realtime, large
>>> block/inode numbers, no debug enabled
>>> [  295.389636] XFS (sda2): Mounting Filesystem
>>> [  295.459074] XFS (sda2): Ending clean mount
>>> [  299.575714] [Hardware Error]: Machine check events logged
>> 
>> There's something going wrong with your hardware, it appears. This
>> may or may not be related to the xfsdump problem, but you should
>> find out what these errors are.
>> 
>> Other than that, I need to see the complete output of xfsdump up to
>> the point it is apparently hanging. When you think it has hung, can
>> you provide the output of `iostat -d -x -m 5` for a period of about
>> a minute to see if there is disk IO taking place? it would also be
>> handy to know if there is any cpu being used at the same time...
>> 
>> A snaphost of /proc/meminfo when you consider it hung would also be
>> useful...
>> 
>> Cheers,
>> 
>> Dave.
> 
> 
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> xfs mailing list
> xfs@xxxxxxxxxxx
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