06-29-2009
ZFS disk label missing
I 'm having problem in importing a zfs pool was getting error device missing and upon further digging found that labels on my disk for zpool are missing
Does anyone know how to recover from it ?
root@essapl020-u006 # zdb -l /dev/dsk/emcpower0c
--------------------------------------------
LABEL 0
--------------------------------------------
version=4
name='emcpool1'
state=0
txg=6973090
pool_guid=5596268873059055768
hostid=2228473662
hostname='essapl020-u006'
top_guid=3858675847091731383
guid=3858675847091731383
vdev_tree
type='disk'
id=0
guid=3858675847091731383
path='/dev/dsk/emcpower0c'
phys_path='/pseudo/emcp@0:c,blk'
whole_disk=0
metaslab_array=14
metaslab_shift=32
ashift=9
asize=477788372992
is_log=0
--------------------------------------------
LABEL 1
--------------------------------------------
version=4
name='emcpool1'
state=0
txg=6973090
pool_guid=5596268873059055768
hostid=2228473662
hostname='essapl020-u006'
top_guid=3858675847091731383
guid=3858675847091731383
vdev_tree
type='disk'
id=0
guid=3858675847091731383
path='/dev/dsk/emcpower0c'
phys_path='/pseudo/emcp@0:c,blk'
whole_disk=0
metaslab_array=14
metaslab_shift=32
ashift=9
asize=477788372992
is_log=0
--------------------------------------------
LABEL 2
--------------------------------------------
failed to read label 2
--------------------------------------------
LABEL 3
--------------------------------------------
failed to read label 3
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LEARN ABOUT DEBIAN
lfc_addreplicax
LFC_ADDREPLICA(3) LFC Library Functions LFC_ADDREPLICA(3)
NAME
lfc_addreplica - add a replica for a given file
SYNOPSIS
#include <sys/types.h>
#include "lfc_api.h"
int lfc_addreplica (const char *guid, struct lfc_fileid *file_uniqueid, const char *server, const char *sfn, const char status, const char
f_type, const char *poolname, const char *fs)
int lfc_addreplicax (const char *guid, struct lfc_fileid *file_uniqueid, const char *server, const char *sfn, const char status, const char
f_type, const char *poolname, const char *fs, const char r_type, const char *setname)
DESCRIPTION
lfc_addreplica adds a replica for a given file. The file can be specified by guid or by file_uniqueid. If both are given, file_uniqueid
is used.
guid specifies the Grid Unique IDentifier.
server is either the Storage Element fully qualified hostname or the disk server.
sfn is either the Site URL or the Physical File Name for the replica.
status can be set to
- file is available
P file is being populated
D file is being deleted.
f_type may be one of the following:
V Volatile
D Durable
P Permanent.
poolname
specifies the disk pool name (this argument is only meaningful for the Disk Pool Manager).
fs specifies the mount point of the dedicated filesystem (this argument is only meaningful for the Disk Pool Manager).
r_type may be one of the following:
P Primary
S Secondary.
setname
is either the replica set name or the space token.
RETURN VALUE
This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.
ERRORS
ENOENT The named file does not exist.
EACCES Search permission is denied on a component of the parent directory or the effective user ID does not match the owner of the
file or read permission on the file entry itself is denied.
EFAULT guid and file_uniqueid are NULL pointers or server or sfn is a NULL pointer.
EEXIST The sfn exists already.
EISDIR The file is not a regular file.
EINVAL The length of guid exceeds CA_MAXGUIDLEN, the length of server exceeds CA_MAXHOSTNAMELEN, the length of poolname exceeds
CA_MAXPOOLNAMELEN or the length of fs exceeds 79 or setname exceeds 36.
ENAMETOOLONG The length of sfn exceeds CA_MAXSFNLEN.
SENOSHOST Host unknown.
SENOSSERV Service unknown.
SECOMERR Communication error.
ENSNACT Name server is not running or is being shutdown.
SEE ALSO
Castor_limits(4), lfc_delreplica(3), lfc_listreplica(3)
LFC
$Date: 2006/12/01 09:19:37 $ LFC_ADDREPLICA(3)