gmirror degraded

2012-10-11 Thread Robert Fitzpatrick
Just looking for some advice, I had a server lock up that uses gmirror
for two RAID-1 arrays of the primary drive and a data drive. The data
drive was reported as degraded after a reset of the server, but is
rebuilding. It is comprised of two TB drives with one reporting ACTIVE
with no flags. The other synchronizing and taking days...

Geom name: d1
State: DEGRADED
Components: 2
Balance: round-robin
Slice: 4096
Flags: NONE
GenID: 0
SyncID: 2
ID: 2434624761
Providers:
1. Name: mirror/d1
   Mediasize: 999653637632 (931G)
   Sectorsize: 512
   Mode: r2w1e1
Consumers:
1. Name: ada1p1
   Mediasize: 999653638144 (931G)
   Sectorsize: 512
   Stripesize: 0
   Stripeoffset: 17408
   Mode: r1w1e1
   State: ACTIVE
   Priority: 0
   Flags: NONE
   GenID: 0
   SyncID: 2
   ID: 175176036
2. Name: ada3p1
   Mediasize: 999653638144 (931G)
   Sectorsize: 512
   Stripesize: 0
   Stripeoffset: 17408
   Mode: r1w1e1
   State: SYNCHRONIZING
   Priority: 0
   Flags: DIRTY, SYNCHRONIZING
   GenID: 0
   SyncID: 2
   Synchronized: 91%
   ID: 4158324973

I ran the smartctl command below on the synchronizing drive and it seems
there are no errors? Should I trust this drive?

backup# /usr/local/sbin/smartctl -a /dev/ada3
smartctl 5.43 2012-06-30 r3573 [FreeBSD 9.0-RELEASE i386] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda 7200.12
Device Model: ST31000528AS
Serial Number:9VP8EKVV
LU WWN Device Id: 5 000c50 026d2b322
Firmware Version: CC3E
User Capacity:1,000,204,886,016 bytes [1.00 TB]
Sector Size:  512 bytes logical/physical
Device is:In smartctl database [for details use: -P show]
ATA Version is:   8
ATA Standard is:  ATA-8-ACS revision 4
Local Time is:Thu Oct 11 10:36:54 2012 EDT
SMART support is: Available - device has SMART capability.
SMART support is: 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:(  600) seconds.
Offline data collection
capabilities:(0x7b) SMART execute Offline immediate.
Auto Offline data collection
on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
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:(   1) minutes.
Extended self-test routine
recommended polling time:( 175) minutes.
Conveyance self-test routine
recommended polling time:(   2) minutes.
SCT capabilities:  (0x103f) SCT Status supported.
SCT Error Recovery Control
supported.
SCT Feature Control supported.
SCT Data Table supported.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME  FLAG VALUE WORST THRESH TYPE
UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate 0x000f   113   097   006Pre-fail  Always
  -   108410580
  3 Spin_Up_Time0x0003   095   095   000Pre-fail  Always
  -   0
  4 Start_Stop_Count0x0032   100   100   020Old_age   Always
  -   34
  5 Reallocated_Sector_Ct   0x0033   076   076   036Pre-fail  Always
  -   1003
  7 Seek_Error_Rate 0x000f   074   060   030Pre-fail  Always
  -   25881764
  9 Power_On_Hours  0x0032   079   079   000Old_age   Always
  -   18567
 10 Spin_Retry_Count0x0013   100   100   097Pre-fail  Always
  -   0
 12 Power_Cycle_Count   0x0032   100   100   020Old_age   Always
  -   17
183 Runtime_Bad_Block   0x0032   100   100   000Old_age   Always
  -   0

Re: gmirror degraded

2012-10-11 Thread Warren Block

On Thu, 11 Oct 2012, Robert Fitzpatrick wrote:


Just looking for some advice, I had a server lock up that uses gmirror
for two RAID-1 arrays of the primary drive and a data drive. The data
drive was reported as degraded after a reset of the server, but is
rebuilding. It is comprised of two TB drives with one reporting ACTIVE
with no flags. The other synchronizing and taking days...


You mean it does this repeatedly?


I ran the smartctl command below on the synchronizing drive and it seems
there are no errors? Should I trust this drive?


1,003 reallocated sectors is a bad sign.  I would replace that drive.
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Re: gmirror: degraded, Component ad4 (device gm0) broken, skipping.

2007-02-14 Thread Brian A. Seklecki

gmirror insert gm0 ad4


The big question is:

In your example, ad4 has already been prepped for use in as a component 
in the gmirror by ?


Or will it just overwrite anything on ad4 regardless?

~BAS
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Re: gmirror: degraded, Component ad4 (device gm0) broken, skipping.

2007-02-14 Thread John Nielsen
On Wednesday 14 February 2007 15:13, Brian A. Seklecki wrote:
  gmirror insert gm0 ad4

 The big question is:

 In your example, ad4 has already been prepped for use in as a component
 in the gmirror by ?

 Or will it just overwrite anything on ad4 regardless?

No prep is necessary when using raw devices such as ad4. The insert operation 
will overwrite everything (or the first $VOLUME_SIZE blocks) on ad4 with the 
contents of the mirror.

Obviously if you want to use only a portion of a drive as a gmirror consumer 
then the drive should be fdisk'ed and/or bsdlabel'ed and the device name of 
the slice or partition (e.g. ad4a, ad4s1, or ad4s1a depending) should be used 
instead of ad4 as the gmirror consumer.

JN
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gmirror: degraded, Component ad4 (device gm0) broken, skipping.

2006-02-01 Thread Ville Lundberg
Hi,

one of my clients had a problem with their server and had to cold reboot
it. It's running 6.0-release-p4.
As I feared, the harddrives did not like the reboot, and gmirror now
states it is degraded.
I have no chance to get to the server console any time soon, so I
thought someone could help me check that this procedure I planned is OK
- I probably have to explain via telephone or email to the client how to
do it, and they certainly aren't technical people.

Boot message:

Feb  1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0 created 
(id=4091963512).
Feb  1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0: provider ad4 
detected.
Feb  1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0: provider ad6 
detected.
Feb  1 08:40:51 portfolio kernel: GEOM_MIRROR: Component ad4 (device gm0) 
broken, skipping.
Feb  1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0: provider ad6 
activated.
Feb  1 08:40:51 portfolio kernel: GEOM_MIRROR: Device gm0: provider mirror/gm0 
launched.

so one of the SATA harddrives is lost from the mirror. The harddrive is
probably ok, as it's just one week old. If I understood it correctly, I
should do
gmirror forget gm0
gmirror insert gm0 ad4
and this should build the mirror again? If this fails, the hd is really
physically broken?
  --Ville

gmirror list:

Geom name: gm0
State: DEGRADED
Components: 2
Balance: round-robin
Slice: 4096
Flags: NONE
GenID: 1
SyncID: 1
ID: 4091963512
Providers:
1. Name: mirror/gm0
   Mediasize: 37019565568 (34G)
   Sectorsize: 512
   Mode: r6w6e7
Consumers:
1. Name: ad6
   Mediasize: 37019566080 (34G)
   Sectorsize: 512
   Mode: r1w1e1
   State: ACTIVE
   Priority: 0
   Flags: NONE
   GenID: 1
   SyncID: 1
   ID: 1675341426


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