Date: Sun, 12 Jul 2009 14:03:00 -0500 From: Len Conrad <LConrad@Go2France.com> To: freebsd-questions@freebsd.org Subject: Re: dump hangs on 7.1 Message-ID: <200907122044359.SM01728@W500.Go2France.com>
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>On Friday 10 July 2009 08:29:01 Len Conrad wrote:
>> FreeBSD 7.1-RELEASE #0: Thu Jan 1 14:37:25 UTC 2009
>> root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
>>
>> CPU: Intel(R) Xeon(R) CPU E5420 @ 2.50GHz (2496.26-MHz 686-class
>> CPU) Origin = "GenuineIntel" Id = 0x1067a Stepping = 10
>> AMD Features=0x20100000<NX,LM>
>> AMD Features2=0x1<LAHF>
>> Cores per package: 4
>> real memory = 3484745728 (3323 MB)
>> avail memory = 3405537280 (3247 MB)
>> ACPI APIC Table: <DELL PE_SC3 >
>> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
>> cpu0 (BSP): APIC ID: 0
>> cpu1 (AP): APIC ID: 1
>> cpu2 (AP): APIC ID: 2
>> cpu3 (AP): APIC ID: 3
>>
>>
>> /sbin/dump -0uanL -f - / | ssh dump_images@xxx.net dd
>> of=/var/ftp/dump_images/mx1-root-test
>>
>> dump has completed only once. Several other dumps have all gotten under
>> way, target file is created and increases until the hang.
>>
>> CTRL-C gets back to shell,eg:
>>
>> DUMP: Date of this level 0 dump: Fri Jul 10 10:25:33 2009
>> DUMP: Date of last level 0 dump: the epoch
>> DUMP: Dumping snapshot of /dev/da0s1d (/usr) to standard output
>> DUMP: mapping (Pass I) [regular files]
>> DUMP: mapping (Pass II) [directories]
>> DUMP: estimated 1713942 tape blocks.
>> DUMP: dumping (Pass III) [directories]
>> DUMP: dumping (Pass IV) [regular files]
>> ^C DUMP: Interrupt received.
>> DUMP: Do you want to abort dump?: ("yes" or "no") Killed by signal 2.
>> DUMP: Broken pipe
>> DUMP: The ENTIRE dump is aborted.
>>
>> Hangs always in Pass IV
>
>What's the output ps -auwwx|grep dump at the time of the dump.
when the dump hangs:
ps auxww | grep dump
root 61360 0.0 0.0 3128 1168 p0 I+ 1:47PM 0:00.06 /sbin/dump -0uanL -f - / (dump)
root 61361 0.0 0.1 5560 2768 p0 I+ 1:47PM 0:03.65 ssh xxx@xxx.net dd of=/var/ftp/dump_images/mx1-root-test
root 61364 0.0 0.0 3128 1528 p0 I+ 1:47PM 0:00.36 dump: /dev/da0s1a: pass 4: 92.66% done, finished in 0:00 at Sun Jul 12 13:47:52 2009 (dump)
root 61365 0.0 0.0 3128 1184 p0 I+ 1:47PM 0:00.29 /sbin/dump -0uanL -f - / (dump)
root 61366 0.0 0.0 3128 1184 p0 I+ 1:47PM 0:00.29 /sbin/dump -0uanL -f - / (dump)
root 61367 0.0 0.0 3128 1184 p0 I+ 1:47PM 0:00.29 /sbin/dump -0uanL -f - / (dump)
root 61382 0.0 0.0 1660 900 p1 R+ 1:48PM 0:00.00 grep dump
========
btw, with dump and dar failing, I tried rdiff-backup which succeeded.
Thanks
Len
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