savedump(1) · carta

NAME

savedump - copy LKCD dump image from raw block device to a filesystem or ftp site.

SYNOPSIS

savedump [ [-r dumpdevice] || [-e dumpdevice] ] [-d dumpdevice] [-o dump-path]

DESCRIPTION

savedump copies a LKCD dump image from a raw block device to a filesystem or a ftp site. Savedump is generally run via /etc/init.d/dumputils on bootup, to automate dump recovery. Once invoked savedump reads it's configuration information from /etc/dumputils.conf.

dumpdevice:

The dumpdevice argument is the dump device that holds the raw LKCD dump. such as: /dev/vmdump

dump-path:

The dump-path argument is the path to store the resulting dump file to. It may be a path on a filesystem or a FTP URL in the form. ftp://user:password@host:port/path where user, password, port & path are optional.

OPTIONS

[-r]: Reset the raw LKCD dump from the dumpdevice, option is exclusive of -e

[-e]: Erase the raw LKCD dump from the dumpdevice, option is exclusive of -r

[-d]: Specify the dumpdevice overriding DUMPDEV= /etc/dumputils.conf file.

[-o]: Specify the dump-path overriding DUMPDIR= in the /etc/dumputils.conf file.

RETURN VALUES

10

malloc() returned NULL, could not allocate memory

Establishing FTP connection

20: gethostbyname() returned 0, could not resolve hostname

21: socket() returned -1, could not create socket

22: connect() returned -1, could not connect to socket

23: FTP, timeout waiting for response from server

24: FTP, timeout while writing to server.

31: fdopen() returned NULL, could not create filestream

32: FTP, protocol error when getting response from server

33: FTP, USER command failed.

34: FTP, invalid user

35: FTP, invalid login (password)

36: FTP, SYST command failed

37: FTP, bad response to SYST

38

FTP, Could not open file

Accessing DUMPDEVICE

40: stat() returned -1, Can not stat DUMPDEVICE

41

DUMPDEVICE is not a valid block device

Parsing /etc/dumputils.conf

50: No valid DUMPDEV= parameter found in /etc/duputils.conf

51: No valid DUMPDIR= parameter found in /etc/duputils.conf

53

Can not open /etc/duputils.conf

General Errors

60: Must be root to run savedump.

61: Failed to mark dump as erased

62: Failed to mark dump as valid (reset)

63: Error parsing arguments

64: stat() returned -1, Can not stat DUMPDIR (output)

65: DUMPDIR is not a directory

66

fcntl failed

Parsing FTP URL

71: URL is > 500 characters

72

Not a RFC 1738 compliant URL

Local filesystem

81: Could not open or write to file, it may already exist, or you don't have permission

82: Could not open /boot/System.map for read

83: Could not open dump partition for read

84: read, write or seek failed on dump partition

85: Invalid dump header.

86: Could not write dump, dump header, or dump page

87: Dump is nothing but header

88: Dump page read error

89: Corruped dump, dump truncated

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