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Re: xfsdump failing on sparc64

To: Alvaro Figueroa <fede2@xxxxxxxxxxxxxxxxxxxxx>
Subject: Re: xfsdump failing on sparc64
From: Nathan Scott <nathans@xxxxxxx>
Date: Mon, 29 Apr 2002 09:01:21 +1000
Cc: XFS to linux port mailing list <linux-xfs@xxxxxxxxxxx>
In-reply-to: <1020010922.7552.29.camel@lucy>; from fede2@xxxxxxxxxxxxxxxxxxxxx on Sun, Apr 28, 2002 at 10:22:02AM -0600
References: <1020010922.7552.29.camel@lucy>
Sender: owner-linux-xfs@xxxxxxxxxxx
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On Sun, Apr 28, 2002 at 10:22:02AM -0600, Alvaro Figueroa wrote:
> I'm running xfsdump -l 0 -F -E -L "blah" -M "blah" - /mnt. It fails
> saying:
> 
> xfsdump: ERROR: /mnt/ does not identify a file system
> 
> If I run strace to it, I see (stripped output):
> 
> open("/etc/mtab", O_RDONLY)             = 4
> SYS_63()                                = 0
> mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> = 0x700
> 1c000
> read(4, "/dev/ide/host0/bus0/target0/lun0"..., 8192) = 344
> brk(0x6c000)                            = 0x6c000
> read(4, "", 8192)                       = 0
> close(4)                                = 0
> munmap(0x7001c000, 8192)                = 0
> SYS_139()                               = 0
> getpid()                                = 371
> write(2, "xfsdump: ", 9xfsdump: )                = 9
> write(2, "ERROR: ", 7ERROR: )                  = 7
> write(2, "/mnt/ does not identify a file s"..., 38/mnt/ does not
> identify a file
>  system
> ) = 38
> 

OK, so its not a version number problem, its something else, I
can't tell what from the above strace output.

Your best bet will probably be gdb, step through the code till
something goes astray & figure out what/why.

The strace below shows it failing because you've given the device
file as an argument rather than a mount point, which is incorrect.

> So, I try to run it again, but instead of asking it to dump /mnt, I ask
> it to dump /dev/scsi/host0/bus0/target5/lun0/part1. It still fails. I
> get this 2 errors:
> 

cheers.

-- 
Nathan


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