Ignite Backup Error Message

by Community Manager on ‎03-13-2012 09:51 AM

Question

I'm currently running ignite backup thru network (make_net_recovery), unfortunately i have encountered disk error related. Anyone could help me on this problem.... Appreciate your inputs/help.

 

* Checking Versions of Recovery Tools
* Scanning system for IO devices...
ERROR: Could not determine dsf for device with unique name "0x01.0x00.0x02.0x00173800037210df". Cannot determine bootabilty of paths.
ERROR: Could not determine dsf for device with unique name "0x01.0x00.0x02.0x00173800037210e0". Cannot determine bootabilty of paths.
ERROR: Could not determine dsf for device with unique name "0x01.0x00.0x02.0x00173800037210e1". Cannot determine bootabilty of paths.
ERROR: Could not determine dsf for device with unique name "0x01.0x00.0x02.0x00173800037210e2". Cannot determine bootabilty of paths.
ERROR: Could not determine dsf for device with unique name "0x01.0x00.0x02.0x00173800037210ea". Cannot determine bootabilty of paths.
ERROR: Could not determine dsf for device with unique name "0x01.0x00.0x02.0x00173800037210eb". Cannot determine bootabilty of paths.
ERROR: Could not determine dsf for device with unique name "0x01.0x00.0x02.0x00173800037210ec". Cannot determine bootabilty of paths.
ERROR: Could not determine dsf for device with unique name "0x01.0x00.0x02.0x00173800037210ed". Cannot determine bootabilty of paths.
ERROR: Unable to open device special file /dev/rdisk/disk94: Invalid argument (errno = 22). Cannot determine bootability of paths.

 

Below is the output from

# scsimgr get_info all_lpt -D /dev/rdisk/<diskname>

# scsimgr get_info -D /dev/rdisk/<diskname>

 

scsimgr get_info all_lpt -D /dev/rdisk/disk56

STATUS INFORMATION FOR LUN PATH : lunpath67

Generic Status Information

SCSI services internal state = UNOPEN
Open close state = FAILED
Protocol = fibre_channel
EVPD page 0x83 description code = 1
EVPD page 0x83 description association = 0
EVPD page 0x83 description type = 2
World Wide Identifier (WWID) = 0x00173800037210df
Total number of Outstanding I/Os = 0
Maximum I/O timeout in seconds = 30
Maximum I/O size allowed = 2097152
Maximum number of active I/Os allowed = 8
Maximum queue depth = 8
Queue full delay count = 0
Asymmetric state = ACTIVE/OPTIMIZED
Device preferred path = Yes
Relative target port identifier = 1024
Target port group identifier = 0

STATUS INFORMATION FOR LUN PATH : lunpath34

Generic Status Information

SCSI services internal state = UNOPEN
Open close state = FAILED
Protocol = fibre_channel
EVPD page 0x83 description code = 1
EVPD page 0x83 description association = 0
EVPD page 0x83 description type = 2
World Wide Identifier (WWID) = 0x00173800037210df
Total number of Outstanding I/Os = 0
Maximum I/O timeout in seconds = 30
Maximum I/O size allowed = 2097152
Maximum number of active I/Os allowed = 8
Maximum queue depth = 8
Queue full delay count = 0
Asymmetric state = ACTIVE/OPTIMIZED
Device preferred path = Yes
Relative target port identifier = 1026
Target port group identifier = 0

STATUS INFORMATION FOR LUN PATH : lunpath90

Generic Status Information

SCSI services internal state = UNOPEN
Open close state = FAILED
Protocol = fibre_channel
EVPD page 0x83 description code = 1
EVPD page 0x83 description association = 0
EVPD page 0x83 description type = 2
World Wide Identifier (WWID) = 0x00173800037210df
Total number of Outstanding I/Os = 0
Maximum I/O timeout in seconds = 30
Maximum I/O size allowed = 2097152
Maximum number of active I/Os allowed = 8
Maximum queue depth = 8
Queue full delay count = 0
Asymmetric state = ACTIVE/OPTIMIZED
Device preferred path = Yes
Relative target port identifier = 2048
Target port group identifier = 0

STATUS INFORMATION FOR LUN PATH : lunpath118

Generic Status Information

SCSI services internal state = UNOPEN
Open close state = FAILED
Protocol = fibre_channel
EVPD page 0x83 description code = 1
EVPD page 0x83 description association = 0
EVPD page 0x83 description type = 2
World Wide Identifier (WWID) = 0x00173800037210df
Total number of Outstanding I/Os = 0
Maximum I/O timeout in seconds = 30
Maximum I/O size allowed = 2097152
Maximum number of active I/Os allowed = 8
Maximum queue depth = 8
Queue full delay count = 0
Asymmetric state = ACTIVE/OPTIMIZED
Device preferred path = Yes
Relative target port identifier = 2050
Target port group identifier = 0
root@cspprod[/etc] scsimgr get_info -D /dev/rdisk/disk56

STATUS INFORMATION FOR LUN : /dev/rdisk/disk56

Generic Status Information

SCSI services internal state = UNOPEN
Device type = Direct_Access
EVPD page 0x83 description code = 1
EVPD page 0x83 description association = 0
EVPD page 0x83 description type = 2
World Wide Identifier (WWID) = 0x00173800037210df
Serial number = "130037210DF"
Vendor id = "IBM "
Product id = "2810XIV "
Product revision = "10.2"
Other properties = ""
SPC protocol revision = 5
Open count (includes chr/blk/pass-thru/class) = 0
Raw open count (includes class/pass-thru) = 0
Pass-thru opens = 0
LUN path count = 4
Active LUN paths = 0
Standby LUN paths = 0
Failed LUN paths = 4
Maximum I/O size allowed = 2097152
Preferred I/O size = 2097152
Outstanding I/Os = 0
I/O load balance policy = round_robin
Path fail threshold time period = 0
Transient time period = 120
Tracing buffer size = 1024
LUN Path used when policy is path_lockdown = NA
LUN access type = T10 Symmetric Active-Active
Asymmetric logical unit access supported = Implicit
Asymmetric states supported = ao_sup
Preferred paths reported by device = Yes
Preferred LUN paths = 0

Driver esdisk Status Information :

Capacity in number of blocks = NA
Block size in bytes = NA
Number of active IOs = 0
Special properties =
Maximum number of IO retries = 45
IO transfer timeout in secs = 30
FORMAT command timeout in secs = 86400
START UNIT command timeout in secs = 60
Timeout in secs before starting failing IO = 120
IO infinite retries = false

Answer

From the output, I notice that all the 4 lunpaths to the disk56 is in FAILED state. (Ideal state should be Active or Standby)

 

Extract from command output:
# scsimgr get_info all_lpt -D /dev/rdisk/disk56

STATUS INFORMATION FOR LUN PATH : lunpath67
Generic Status Information
SCSI services internal state = UNOPEN
Open close state = FAILED
....
STATUS INFORMATION FOR LUN PATH : lunpath34
Generic Status Information
SCSI services internal state = UNOPEN
Open close state = FAILED
....
STATUS INFORMATION FOR LUN PATH : lunpath90
Generic Status Information
SCSI services internal state = UNOPEN
Open close state = FAILED
.....
STATUS INFORMATION FOR LUN PATH : lunpath118
Generic Status Information
SCSI services internal state = UNOPEN
Open close state = FAILED
...
World Wide Identifier (WWID) = 0x00173800037210df

------------------------------------------------------------------------

 

You may also check the LUN state for other disks(disk57,58,59,60,61,62,64,94) reported in the error message. 

 

I suspect these failed LUN's are causing the issue. fixing this lun issue would all the make_net_recovery to work fine.  

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