[SOLVED] pool degraded, ada0 disappeared, 2 disks apparently swapped

riki · Post by **riki** » 30 Dec 2016 03:51

Hello and happy New Year everyone.

Just before Xmas I replaced 2 disks in my Nas4Free box, but at first I put one of the new disks in the wrong slot. I noticed the mistake immediately, so I shut down the box again and put everything where it belonged. However, I am left with 3 problems, which are probably all connected.

1) The pool is degraded, and 2) I can't seem to zpool online one of the new disks. It's "unformatted or unknown".

Code: Select all

# zpool status p01
  pool: p01
 state: DEGRADED
status: One or more devices could not be opened.  Sufficient replicas exist for
        the pool to continue functioning in a degraded state.
action: Attach the missing device and online it using 'zpool online'.
   see: http://illumos.org/msg/ZFS-8000-2Q
  scan: resilvered 2.17T in 5h24m with 0 errors on Thu Dec 29 03:21:35 2016
config:

        NAME                      STATE     READ WRITE CKSUM
        p01                       DEGRADED     0     0     0
          mirror-0                ONLINE       0     0     0
            ada3                  ONLINE       0     0     0
            ada1                  ONLINE       0     0     0
          mirror-1                DEGRADED     0     0     0
            ada2                  ONLINE       0     0     0
            13757337943089075871  UNAVAIL      0     0     0  was /dev/ada3
          mirror-2                ONLINE       0     0     0
            ada6                  ONLINE       0     0     0
            ada7                  ONLINE       0     0     0

errors: No known data errors
# zpool online p01 13757337943089075871
warning: device '13757337943089075871' onlined, but remains in faulted state
use 'zpool replace' to replace devices that are no longer present
# zpool online p01 ada0
cannot online ada0: no such device in pool

The disk ada0 has apparently disappeared from the pool, so I can't revive it with the zpool online command; however, the disk is there because the command "camcontrol identify ada0" lists the info for the disk that should be (and indeed is) physically attached in ada0's place. I suspect it is indeed the disk listed as 13757337943089075871 in the output of zpool status.

The last problem is: 3) The mirrors should be ada0+ada1 and ada2+ada3, since ada0-ada1 are the same brand/model (WD Red), as are ada2+ada3 (Toshiba). At the moment, however, the mirrors are ada1+ad3 and ada2+13757337943089075871. I think the system got confused during the resilvering because I had briefly mounted one disk in the wrong place.

Here's how it looks in the webGUI, Disks|Management|HDD Management

How do I sort out this mess?

Thanks for any help!

sleid · Post by **sleid** » 30 Dec 2016 15:47

First:
Clear Config and Import Disks : if ada0 is unformatted
format ada0 for zfs storage pool
zpool offline p01 13757337943089075871
zpool online p01 ada0

if ok

secondly:

zpool replace p01 13757337943089075871 /dev/ada0

riki · Post by **riki** » 31 Dec 2016 00:06

Hello sleid, thanks for your reply.

sleid wrote:First:
Clear Config and Import Disks : if ada0 is unformatted
format ada0 for zfs storage pool

I'd already thought of reformatting, but it seems like I can't.

So as you suggested, again I just cleared config and imported, OK. Applied new info, OK.
However, ada0 appears in the WebGUI at Disks|Management|HDD Management (just as in the screenshot in my first post),
but it doesn't appear in the disks I can format at Disks|Management|HDD Format|Step 1.
There, it only lists da0 (that is, the usb stick with the boot partition).

Previously, I also had tried to detach one disk; that is,

Code: Select all

zpool detach p01 13757337943089075871

but when I did that, the system hanged for hours and hours, so I had to power-cycle it.

sleid · Post by **sleid** » 31 Dec 2016 07:07

" but at first I put one of the new disks in the wrong slot. I noticed the mistake immediately, so I shut down the box again"
Had the resilvering of the new hard drive started?

ada0 (and other if possible) smart report.

riki · Post by **riki** » 31 Dec 2016 16:37

Thanks for your help, sleid!

sleid wrote:" but at first I put one of the new disks in the wrong slot. I noticed the mistake immediately, so I shut down the box again"
Had the resilvering of the new hard drive started?

I didn't check but I think so, given the present situation.

ada0 (and other if possible) smart report.

Code: Select all

$ smartctl -x /dev/ada0
smartctl 6.5 2016-05-07 r4318 [FreeBSD 10.3-RELEASE-p7 amd64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:     TOSHIBA HDWE140
Serial Number:    Z5R2Y2CQF58D
LU WWN Device Id: 5 000039 6bce00218
Firmware Version: FP2A
User Capacity:    4,000,787,030,016 bytes [4.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    7200 rpm
Form Factor:      3.5 inches
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   ATA8-ACS (minor revision not indicated)
SATA Version is:  SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Sat Dec 31 16:27:17 2016 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
AAM feature is:   Unavailable
APM level is:     1 (minimum power consumption with standby)
Rd look-ahead is: Enabled
Write cache is:   Enabled
ATA Security is:  Disabled, NOT FROZEN [SEC1]
Wt Cache Reorder: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x82)	Offline data collection activity
					was completed without error.
					Auto Offline Data Collection: Enabled.
Self-test execution status:      (   0)	The previous self-test routine completed
					without error or no self-test has ever 
					been run.
Total time to complete Offline 
data collection: 		(  120) seconds.
Offline data collection
capabilities: 			 (0x5b) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					Offline surface scan supported.
					Self-test supported.
					No Conveyance Self-test supported.
					Selective Self-test supported.
SMART capabilities:            (0x0003)	Saves SMART data before entering
					power-saving mode.
					Supports SMART auto save timer.
Error logging capability:        (0x01)	Error logging supported.
					General Purpose Logging supported.
Short self-test routine 
recommended polling time: 	 (   2) minutes.
Extended self-test routine
recommended polling time: 	 ( 475) minutes.
SCT capabilities: 	       (0x003d)	SCT Status supported.
					SCT Error Recovery Control supported.
					SCT Feature Control supported.
					SCT Data Table supported.

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate     PO-R--   100   100   050    -    0
  2 Throughput_Performance  P-S---   100   100   050    -    0
  3 Spin_Up_Time            POS--K   100   100   001    -    6860
  4 Start_Stop_Count        -O--CK   100   100   000    -    663
  5 Reallocated_Sector_Ct   PO--CK   100   100   050    -    0
  7 Seek_Error_Rate         PO-R--   100   100   050    -    0
  8 Seek_Time_Performance   P-S---   100   100   050    -    0
  9 Power_On_Hours          -O--CK   089   089   000    -    4421
 10 Spin_Retry_Count        PO--CK   113   100   030    -    0
 12 Power_Cycle_Count       -O--CK   100   100   000    -    43
191 G-Sense_Error_Rate      -O--CK   100   100   000    -    3
192 Power-Off_Retract_Count -O--CK   100   100   000    -    15
193 Load_Cycle_Count        -O--CK   100   100   000    -    664
194 Temperature_Celsius     -O---K   100   100   000    -    24 (Min/Max 21/68)
196 Reallocated_Event_Count -O--CK   100   100   000    -    0
197 Current_Pending_Sector  -O--CK   100   100   000    -    0
198 Offline_Uncorrectable   ----CK   100   100   000    -    0
199 UDMA_CRC_Error_Count    -O--CK   200   253   000    -    0
220 Disk_Shift              -O----   100   100   000    -    0
222 Loaded_Hours            -O--CK   100   100   000    -    338
223 Load_Retry_Count        -O--CK   100   100   000    -    0
224 Load_Friction           -O---K   100   100   000    -    0
226 Load-in_Time            -OS--K   100   100   000    -    213
240 Head_Flying_Hours       P-----   100   100   001    -    0
                            ||||||_ K auto-keep
                            |||||__ C event count
                            ||||___ R error rate
                            |||____ S speed/performance
                            ||_____ O updated online
                            |______ P prefailure warning

General Purpose Log Directory Version 1
SMART           Log Directory Version 1 [multi-sector log support]
Address    Access  R/W   Size  Description
0x00       GPL,SL  R/O      1  Log Directory
0x01           SL  R/O      1  Summary SMART error log
0x02           SL  R/O     51  Comprehensive SMART error log
0x03       GPL     R/O     64  Ext. Comprehensive SMART error log
0x04       GPL,SL  R/O      8  Device Statistics log
0x06           SL  R/O      1  SMART self-test log
0x07       GPL     R/O      1  Extended self-test log
0x08       GPL     R/O      2  Power Conditions log
0x09           SL  R/W      1  Selective self-test log
0x10       GPL     R/O      1  SATA NCQ Queued Error log
0x11       GPL     R/O      1  SATA Phy Event Counters log
0x24       GPL     R/O  12288  Current Device Internal Status Data log
0x30       GPL,SL  R/O      9  IDENTIFY DEVICE data log
0x80-0x9f  GPL,SL  R/W     16  Host vendor specific log
0xa7       GPL     VS       8  Device vendor specific log
0xe0       GPL,SL  R/W      1  SCT Command/Status
0xe1       GPL,SL  R/W      1  SCT Data Transfer

SMART Extended Comprehensive Error Log Version: 1 (64 sectors)
No Errors Logged

SMART Extended Self-test Log Version: 1 (1 sectors)
No self-tests have been logged.  [To run self-tests, use: smartctl -t]

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
    1        0        0  Not_testing
    2        0        0  Not_testing
    3        0        0  Not_testing
    4        0        0  Not_testing
    5        0        0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

SCT Status Version:                  3
SCT Version (vendor specific):       1 (0x0001)
SCT Support Level:                   1
Device State:                        Active (0)
Current Temperature:                    24 Celsius
Power Cycle Min/Max Temperature:     23/48 Celsius
Lifetime    Min/Max Temperature:     21/68 Celsius
Under/Over Temperature Limit Count:   0/387

SCT Temperature History Version:     2
Temperature Sampling Period:         1 minute
Temperature Logging Interval:        1 minute
Min/Max recommended Temperature:      5/55 Celsius
Min/Max Temperature Limit:            5/55 Celsius
Temperature History Size (Index):    478 (11)

Index    Estimated Time   Temperature Celsius
  12    2016-12-31 08:30    48  *****************************
 ...    ..( 16 skipped).    ..  *****************************
  29    2016-12-31 08:47    48  *****************************
  30    2016-12-31 08:48     ?  -
  31    2016-12-31 08:49    48  *****************************
 ...    ..( 17 skipped).    ..  *****************************
  49    2016-12-31 09:07    48  *****************************
  50    2016-12-31 09:08     ?  -
  51    2016-12-31 09:09    26  *******
  52    2016-12-31 09:10    27  ********
  53    2016-12-31 09:11    27  ********
  54    2016-12-31 09:12    28  *********
  55    2016-12-31 09:13    29  **********
  56    2016-12-31 09:14    29  **********
  57    2016-12-31 09:15    30  ***********
  58    2016-12-31 09:16    30  ***********
  59    2016-12-31 09:17    31  ************
 ...    ..(  2 skipped).    ..  ************
  62    2016-12-31 09:20    31  ************
  63    2016-12-31 09:21     ?  -
  64    2016-12-31 09:22    32  *************
  65    2016-12-31 09:23    32  *************
  66    2016-12-31 09:24    33  **************
  67    2016-12-31 09:25    33  **************
  68    2016-12-31 09:26    33  **************
  69    2016-12-31 09:27    34  ***************
  70    2016-12-31 09:28    34  ***************
  71    2016-12-31 09:29    34  ***************
  72    2016-12-31 09:30    35  ****************
 ...    ..(  2 skipped).    ..  ****************
  75    2016-12-31 09:33    35  ****************
  76    2016-12-31 09:34    36  *****************
 ...    ..(  6 skipped).    ..  *****************
  83    2016-12-31 09:41    36  *****************
  84    2016-12-31 09:42     ?  -
  85    2016-12-31 09:43    37  ******************
 ...    ..(  3 skipped).    ..  ******************
  89    2016-12-31 09:47    37  ******************
  90    2016-12-31 09:48    38  *******************
 ...    ..(  5 skipped).    ..  *******************
  96    2016-12-31 09:54    38  *******************
  97    2016-12-31 09:55    39  ********************
 ...    ..(  6 skipped).    ..  ********************
 104    2016-12-31 10:02    39  ********************
 105    2016-12-31 10:03     ?  -
 106    2016-12-31 10:04    39  ********************
 107    2016-12-31 10:05    40  *********************
 ...    ..(  8 skipped).    ..  *********************
 116    2016-12-31 10:14    40  *********************
 117    2016-12-31 10:15    41  **********************
 ...    ..(  7 skipped).    ..  **********************
 125    2016-12-31 10:23    41  **********************
 126    2016-12-31 10:24     ?  -
 127    2016-12-31 10:25    41  **********************
 ...    ..(  6 skipped).    ..  **********************
 134    2016-12-31 10:32    41  **********************
 135    2016-12-31 10:33    42  ***********************
 136    2016-12-31 10:34    41  **********************
 137    2016-12-31 10:35    42  ***********************
 ...    ..(  8 skipped).    ..  ***********************
 146    2016-12-31 10:44    42  ***********************
 147    2016-12-31 10:45     ?  -
 148    2016-12-31 10:46    42  ***********************
 ...    ..( 18 skipped).    ..  ***********************
 167    2016-12-31 11:05    42  ***********************
 168    2016-12-31 11:06     ?  -
 169    2016-12-31 11:07    42  ***********************
 ...    ..( 18 skipped).    ..  ***********************
 188    2016-12-31 11:26    42  ***********************
 189    2016-12-31 11:27     ?  -
 190    2016-12-31 11:28    42  ***********************
 ...    ..( 18 skipped).    ..  ***********************
 209    2016-12-31 11:47    42  ***********************
 210    2016-12-31 11:48     ?  -
 211    2016-12-31 11:49    42  ***********************
 ...    ..( 18 skipped).    ..  ***********************
 230    2016-12-31 12:08    42  ***********************
 231    2016-12-31 12:09     ?  -
 232    2016-12-31 12:10    42  ***********************
 ...    ..( 18 skipped).    ..  ***********************
 251    2016-12-31 12:29    42  ***********************
 252    2016-12-31 12:30     ?  -
 253    2016-12-31 12:31    42  ***********************
 254    2016-12-31 12:32    42  ***********************
 255    2016-12-31 12:33    42  ***********************
 256    2016-12-31 12:34    43  ************************
 257    2016-12-31 12:35    42  ***********************
 258    2016-12-31 12:36    43  ************************
 259    2016-12-31 12:37    42  ***********************
 ...    ..(  6 skipped).    ..  ***********************
 266    2016-12-31 12:44    42  ***********************
 267    2016-12-31 12:45    43  ************************
 268    2016-12-31 12:46    42  ***********************
 269    2016-12-31 12:47    42  ***********************
 270    2016-12-31 12:48    42  ***********************
 271    2016-12-31 12:49    43  ************************
 272    2016-12-31 12:50    42  ***********************
 273    2016-12-31 12:51     ?  -
 274    2016-12-31 12:52    42  ***********************
 275    2016-12-31 12:53    43  ************************
 276    2016-12-31 12:54    43  ************************
 277    2016-12-31 12:55    42  ***********************
 278    2016-12-31 12:56    43  ************************
 ...    ..(  5 skipped).    ..  ************************
 284    2016-12-31 13:02    43  ************************
 285    2016-12-31 13:03    42  ***********************
 286    2016-12-31 13:04    43  ************************
 287    2016-12-31 13:05    42  ***********************
 288    2016-12-31 13:06    42  ***********************
 289    2016-12-31 13:07    42  ***********************
 290    2016-12-31 13:08    43  ************************
 291    2016-12-31 13:09    42  ***********************
 292    2016-12-31 13:10    43  ************************
 293    2016-12-31 13:11    43  ************************
 294    2016-12-31 13:12     ?  -
 295    2016-12-31 13:13    43  ************************
 296    2016-12-31 13:14    43  ************************
 297    2016-12-31 13:15    42  ***********************
 298    2016-12-31 13:16    42  ***********************
 299    2016-12-31 13:17    43  ************************
 ...    ..(  9 skipped).    ..  ************************
 309    2016-12-31 13:27    43  ************************
 310    2016-12-31 13:28    42  ***********************
 311    2016-12-31 13:29    43  ************************
 312    2016-12-31 13:30    42  ***********************
 313    2016-12-31 13:31    43  ************************
 314    2016-12-31 13:32    43  ************************
 315    2016-12-31 13:33     ?  -
 316    2016-12-31 13:34    26  *******
 317    2016-12-31 13:35    26  *******
 318    2016-12-31 13:36    26  *******
 319    2016-12-31 13:37    27  ********
 320    2016-12-31 13:38    27  ********
 321    2016-12-31 13:39    28  *********
 322    2016-12-31 13:40    29  **********
 323    2016-12-31 13:41     ?  -
 324    2016-12-31 13:42    29  **********
 325    2016-12-31 13:43    29  **********
 326    2016-12-31 13:44    30  ***********
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 328    2016-12-31 13:46    31  ************
 ...    ..(  2 skipped).    ..  ************
 331    2016-12-31 13:49    31  ************
 332    2016-12-31 13:50    32  *************
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 335    2016-12-31 13:53    33  **************
 ...    ..(  2 skipped).    ..  **************
 338    2016-12-31 13:56    33  **************
 339    2016-12-31 13:57    34  ***************
 ...    ..(  3 skipped).    ..  ***************
 343    2016-12-31 14:01    34  ***************
 344    2016-12-31 14:02     ?  -
 345    2016-12-31 14:03    26  *******
 346    2016-12-31 14:04     ?  -
 347    2016-12-31 14:05    26  *******
 348    2016-12-31 14:06    27  ********
 349    2016-12-31 14:07    27  ********
 350    2016-12-31 14:08    28  *********
 351    2016-12-31 14:09    28  *********
 352    2016-12-31 14:10    29  **********
 353    2016-12-31 14:11    29  **********
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 356    2016-12-31 14:14    31  ************
 ...    ..(  2 skipped).    ..  ************
 359    2016-12-31 14:17    31  ************
 360    2016-12-31 14:18    32  *************
 361    2016-12-31 14:19    32  *************
 362    2016-12-31 14:20    32  *************
 363    2016-12-31 14:21    33  **************
 364    2016-12-31 14:22    33  **************
 365    2016-12-31 14:23    33  **************
 366    2016-12-31 14:24    34  ***************
 367    2016-12-31 14:25     ?  -
 368    2016-12-31 14:26    32  *************
 369    2016-12-31 14:27    33  **************
 370    2016-12-31 14:28    33  **************
 371    2016-12-31 14:29    33  **************
 372    2016-12-31 14:30    34  ***************
 ...    ..(  2 skipped).    ..  ***************
 375    2016-12-31 14:33    34  ***************
 376    2016-12-31 14:34    35  ****************
 ...    ..(  2 skipped).    ..  ****************
 379    2016-12-31 14:37    35  ****************
 380    2016-12-31 14:38    36  *****************
 381    2016-12-31 14:39    36  *****************
 382    2016-12-31 14:40    36  *****************
 383    2016-12-31 14:41     ?  -
 384    2016-12-31 14:42    32  *************
 385    2016-12-31 14:43    32  *************
 386    2016-12-31 14:44    33  **************
 387    2016-12-31 14:45    33  **************
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 389    2016-12-31 14:47    34  ***************
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 392    2016-12-31 14:50    35  ****************
 ...    ..(  2 skipped).    ..  ****************
 395    2016-12-31 14:53    35  ****************
 396    2016-12-31 14:54    36  *****************
 ...    ..(  5 skipped).    ..  *****************
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 ...    ..(  4 skipped).    ..  ******************
 408    2016-12-31 15:06    37  ******************
 409    2016-12-31 15:07    38  *******************
 410    2016-12-31 15:08     ?  -
 411    2016-12-31 15:09    34  ***************
 412    2016-12-31 15:10    34  ***************
 413    2016-12-31 15:11    35  ****************
 414    2016-12-31 15:12    35  ****************
 415    2016-12-31 15:13    35  ****************
 416    2016-12-31 15:14    36  *****************
 417    2016-12-31 15:15    36  *****************
 418    2016-12-31 15:16    36  *****************
 419    2016-12-31 15:17     ?  -
 420    2016-12-31 15:18    25  ******
 421    2016-12-31 15:19    25  ******
 422    2016-12-31 15:20    26  *******
 423    2016-12-31 15:21    26  *******
 424    2016-12-31 15:22    26  *******
 425    2016-12-31 15:23    27  ********
 426    2016-12-31 15:24    27  ********
 427    2016-12-31 15:25    28  *********
 428    2016-12-31 15:26    28  *********
 429    2016-12-31 15:27    29  **********
 430    2016-12-31 15:28    29  **********
 431    2016-12-31 15:29    30  ***********
 432    2016-12-31 15:30     ?  -
 433    2016-12-31 15:31    28  *********
 434    2016-12-31 15:32    28  *********
 435    2016-12-31 15:33    29  **********
 436    2016-12-31 15:34    29  **********
 437    2016-12-31 15:35    30  ***********
 438    2016-12-31 15:36    30  ***********
 439    2016-12-31 15:37     ?  -
 440    2016-12-31 15:38    29  **********
 441    2016-12-31 15:39    29  **********
 442    2016-12-31 15:40    30  ***********
 443    2016-12-31 15:41    30  ***********
 444    2016-12-31 15:42    30  ***********
 445    2016-12-31 15:43    31  ************
 ...    ..(  2 skipped).    ..  ************
 448    2016-12-31 15:46    31  ************
 449    2016-12-31 15:47    32  *************
 450    2016-12-31 15:48     ?  -
 451    2016-12-31 15:49    25  ******
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 453    2016-12-31 15:51    25  ******
 454    2016-12-31 15:52    26  *******
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 456    2016-12-31 15:54     ?  -
 457    2016-12-31 15:55    23  ****
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 459    2016-12-31 15:57    24  *****
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 462    2016-12-31 16:00     ?  -
 463    2016-12-31 16:01    24  *****
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 466    2016-12-31 16:04     ?  -
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 472    2016-12-31 16:10    26  *******
 473    2016-12-31 16:11    26  *******
 474    2016-12-31 16:12    27  ********
 475    2016-12-31 16:13     ?  -
 476    2016-12-31 16:14    24  *****
 477    2016-12-31 16:15    24  *****
   0    2016-12-31 16:16    25  ******
   1    2016-12-31 16:17    26  *******
   2    2016-12-31 16:18    26  *******
   3    2016-12-31 16:19    26  *******
   4    2016-12-31 16:20    27  ********
   5    2016-12-31 16:21    27  ********
   6    2016-12-31 16:22    28  *********
   7    2016-12-31 16:23    28  *********
   8    2016-12-31 16:24    29  **********
   9    2016-12-31 16:25    29  **********
  10    2016-12-31 16:26     ?  -
  11    2016-12-31 16:27    24  *****

SCT Error Recovery Control:
           Read: Disabled
          Write: Disabled

Device Statistics (GP Log 0x04)
Page  Offset Size        Value Flags Description
0x01  =====  =               =  ===  == General Statistics (rev 2) ==
0x01  0x008  4              43  ---  Lifetime Power-On Resets
0x01  0x010  4            4421  ---  Power-on Hours
0x01  0x018  6      9488468464  ---  Logical Sectors Written
0x01  0x020  6        38925225  ---  Number of Write Commands
0x01  0x028  6      4664998478  ---  Logical Sectors Read
0x01  0x030  6        19086345  ---  Number of Read Commands
0x02  =====  =               =  ===  == Free-Fall Statistics (rev 1) ==
0x02  0x010  4               3  ---  Overlimit Shock Events
0x03  =====  =               =  ===  == Rotating Media Statistics (rev 1) ==
0x03  0x008  4             315  ---  Spindle Motor Power-on Hours
0x03  0x010  4             338  ---  Head Flying Hours
0x03  0x018  4             664  ---  Head Load Events
0x03  0x020  4               0  ---  Number of Reallocated Logical Sectors
0x03  0x028  4               0  ---  Read Recovery Attempts
0x03  0x030  4               0  ---  Number of Mechanical Start Failures
0x04  =====  =               =  ===  == General Errors Statistics (rev 1) ==
0x04  0x008  4               0  ---  Number of Reported Uncorrectable Errors
0x04  0x010  4               1  ---  Resets Between Cmd Acceptance and Completion
0x05  =====  =               =  ===  == Temperature Statistics (rev 1) ==
0x05  0x008  1              24  ---  Current Temperature
0x05  0x010  1              24  N--  Average Short Term Temperature
0x05  0x018  1              25  N--  Average Long Term Temperature
0x05  0x020  1              68  ---  Highest Temperature
0x05  0x028  1              21  ---  Lowest Temperature
0x05  0x030  1              55  N--  Highest Average Short Term Temperature
0x05  0x038  1              22  N--  Lowest Average Short Term Temperature
0x05  0x040  1              38  N--  Highest Average Long Term Temperature
0x05  0x048  1              25  N--  Lowest Average Long Term Temperature
0x05  0x050  4             786  ---  Time in Over-Temperature
0x05  0x058  1              55  ---  Specified Maximum Operating Temperature
0x05  0x060  4               0  ---  Time in Under-Temperature
0x05  0x068  1               5  ---  Specified Minimum Operating Temperature
0x06  =====  =               =  ===  == Transport Statistics (rev 1) ==
0x06  0x008  4             192  ---  Number of Hardware Resets
0x06  0x018  4               0  ---  Number of Interface CRC Errors
0x07  =====  =               =  ===  == Solid State Device Statistics (rev 1) ==
                                |||_ C monitored condition met
                                ||__ D supports DSN
                                |___ N normalized value

SATA Phy Event Counters (GP Log 0x11)
ID      Size     Value  Description
0x0001  4            0  Command failed due to ICRC error
0x0002  4            0  R_ERR response for data FIS
0x0003  4            0  R_ERR response for device-to-host data FIS
0x0004  4            0  R_ERR response for host-to-device data FIS
0x0005  4            0  R_ERR response for non-data FIS
0x0006  4            0  R_ERR response for device-to-host non-data FIS
0x0007  4            0  R_ERR response for host-to-device non-data FIS
0x0008  4            0  Device-to-host non-data FIS retries
0x0009  4           23  Transition from drive PhyRdy to drive PhyNRdy
0x000a  4           22  Device-to-host register FISes sent due to a COMRESET
0x000b  4            0  CRC errors within host-to-device FIS
0x000d  4            0  Non-CRC errors within host-to-device FIS
0x000f  4            0  R_ERR response for host-to-device data FIS, CRC
0x0010  4            0  R_ERR response for host-to-device data FIS, non-CRC
0x0012  4            0  R_ERR response for host-to-device non-data FIS, CRC
0x0013  4            0  R_ERR response for host-to-device non-data FIS, non-CRC

The other disk can't be probed with smartctl.

Code: Select all

Smartctl open device: /dev/13757337943089075871 failed: No such file or directory

I don't want to spam the forum with tons of data if it's useless, so I'm not posting output of smartctl or camcontrol for the other disks right now; but of course if you ask for any other info, I'll be glad to provide it.

In short, the devices connected are what they appear to be in the Disks|Management|HDD Management screenshot above. That is, ada0 and ada1 are WD Red, ada2 and ada3 are Toshiba.

HAPPY NEW YEAR EVERYBODY!

sleid · Post by **sleid** » 01 Jan 2017 07:05

Happy New Year 2017,
Do you have a backup of your data, or do you have the possibility to make one?
The best solution would be to leave with a rebuilt pool.

erico.bettoni · Post by **erico.bettoni** » 01 Jan 2017 12:46

Just do a replace and wait for resilver:

Code: Select all

zpool replace p01 13757337943089075871 /dev/ada0

riki · Post by **riki** » 01 Jan 2017 20:20

Thanks for all the helpful replies!

sleid wrote: Do you have a backup of your data, or do you have the possibility to make one?
The best solution would be to leave with a rebuilt pool.

That pool is too large: it is indeed the backup of most of my other machines. So no, no other backup and no easy way to back it up - I wouldn't know where to put all the data. Later this year I'm going to have one more Nas4Free box built, so I'll be able to backup the backup

, but for the time being I'm looking for a solution that doesn't entail rebuilding the pool.

erico.bettoni wrote:Just do a replace and wait for resilver:
Code: Select all
zpool replace p01 13757337943089075871 /dev/ada0

Good, thanks, I'm currently waiting for the resilver to finish. When it does, if all went well I'll be left with the problem of swapping ada0 and ada3, possibly as follows:

[1] detaching ada0, destroying it, reformatting, attaching to ada1.
[2] detaching ada3, destroying it, reformatting, attaching to ada2.

This operation, I'm afraid, will require one or two more resilverings. Poor disks!

Any sensible shortcuts?

erico.bettoni · Post by **erico.bettoni** » 02 Jan 2017 02:08

No shortcuts... if you eventually rebuild the pool go with raidz2. Safer and more usable space.

sleid · Post by **sleid** » 02 Jan 2017 06:59

sleid wrote: secondly:

zpool replace p01 13757337943089075871 /dev/ada0

It is common for ZFS to label discs differently for its use, this often occurs when adding disks with multiple controllers. This does not affect the operation of the pool.

riki · Post by **riki** » 03 Jan 2017 04:40

sleid wrote: secondly:

zpool replace p01 13757337943089075871 /dev/ada0

Indeed, I couldn't get to Step 2 of your procedure because I was stuck at Step 1.

Eventually I solved the problem. I had to offline/detach both offending disk, destroy them by zeroing out some select sectors with dd (I found a useful wiki page here: http://wiki.nas4free.org/doku.php?id=faq:0129 ), take them out physically, replace one of them, resilver, replace the other, resilver again.

sleid wrote:It is common for ZFS to label discs differently for its use, this often occurs when adding disks with multiple controllers. This does not affect the operation of the pool.

Besides, I found out that when there are missing disks, the adaX numbers are changed in an unpredictable way, so great care must be exercised. I used camcontrol identify adaX to check make, model and serial no. before destroying the disks.

Also ada0 appearing unformatted was just a quirk, some discrepancy between the WebGUI and the actual system state that solved itself once the pool got back to full health. I'm glad the WebGUI didn't let me format it

THANKS AGAIN for the great help!

XigmaNAS

[SOLVED] pool degraded, ada0 disappeared, 2 disks apparently swapped

[SOLVED] pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped

Re: pool degraded, ada0 disappeared, 2 disks apparently swapped