lvm question

Rick Stevens rstevens at internap.com
Thu Apr 12 17:54:49 UTC 2007


On Thu, 2007-04-12 at 13:28 -0400, Gene Heskett wrote:
> Greetings;
> 
> I've been through my own personal hell the last 18 hours.  First, I noted through a smartctl report that my hda was approaching the end of its life, the seek errors were up into the 300 million range, the the ECC errors wasn't far behind it.
> 
> So I started a dd if=/dev/hda of=/dev/hdd which cloned that 160GB drive to a 200GB drive.
> 
> While that was going on, verizon decided it was time I changed my password and disconnected me.
> 
> After the clone job, and re-arranging drives, removeing the old hda, moving the clone hdd to
> its position both in the machine and on the cable, then putting a new 320GB in as hdd.  It 
> wouldn't boot, mounting /boot and then FAIL without a reason.
> 
> So I got out the zod livedvd and booted it, doing the setup on hdd, but apparently I'd forgotten 
> the order, so that was a three times around the loop deal.  Then, since I now had no partition 
> for the last 40GB on hda, I fired up fdisk and added that.  The LVM didn't like that, and 
> steadfastly refused to let me modify /dev/VolumeGroupyaddayadda in any way to fix it.
> 
> Several hours and many reboot attempts later it finally did let be run an e2fsck on it, which 
> promptly (several hours at that) 'fixed' a bunch of stuff, and when it was done, about half 
> of my kmail setup and mailboxes were toast.  I finally got all that sorted I believe but 2 
> questions remain.
> 
> 1.  How can I add this extra 40GB to that VolGroup now mounted on /
> 
> 2.  This brand new 320GB maxtor is acting a lot like the old 160GB seagate was.
> 
> from a smartctl -a /dev/hda, the old 200GB maxtor:
> SMART Attributes Data Structure revision number: 16
> Vendor Specific SMART Attributes with Thresholds:
> ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
>   1 Raw_Read_Error_Rate     0x000b   200   200   051    Pre-fail  Always       -       0
>   3 Spin_Up_Time            0x0007   125   124   021    Pre-fail  Always       -       4250
>   4 Start_Stop_Count        0x0032   100   100   040    Old_age   Always       -       91
>   5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
>   7 Seek_Error_Rate         0x000b   100   253   051    Pre-fail  Always       -       0
>   9 Power_On_Hours          0x0032   072   072   000    Old_age   Always       -       20862
>  10 Spin_Retry_Count        0x0013   100   253   051    Pre-fail  Always       -       0
>  11 Calibration_Retry_Count 0x0013   100   253   051    Pre-fail  Always       -       0
>  12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       88
> 194 Temperature_Celsius     0x0022   109   253   000    Old_age   Always       -       41
> 196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
> 197 Current_Pending_Sector  0x0012   200   200   000    Old_age   Always       -       0
> 198 Offline_Uncorrectable   0x0012   200   200   000    Old_age   Always       -       0
> 199 UDMA_CRC_Error_Count    0x000a   200   253   000    Old_age   Always       -       0
> 200 Multi_Zone_Error_Rate   0x0009   200   155   051    Pre-fail  Offline      -       0
> 
> Note then poweron hours, over 20K
> 
> Now, from this new 320GB drive:
> 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   117   100   006    Pre-fail  Always       -       142787210
>   3 Spin_Up_Time            0x0003   097   097   000    Pre-fail  Always       -       0
>   4 Start_Stop_Count        0x0032   100   100   020    Old_age   Always       -       3
>   5 Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail  Always       -       0
>   7 Seek_Error_Rate         0x000f   100   253   030    Pre-fail  Always       -       373173
>   9 Power_On_Hours          0x0032   100   100   000    Old_age   Always       -       9
>  10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0
>  12 Power_Cycle_Count       0x0032   100   100   020    Old_age   Always       -       5
> 187 Unknown_Attribute       0x0032   100   100   000    Old_age   Always       -       0
> 189 Unknown_Attribute       0x003a   100   100   000    Old_age   Always       -       0
> 190 Unknown_Attribute       0x0022   059   059   045    Old_age   Always       -       690290729
> 194 Temperature_Celsius     0x0022   041   041   000    Old_age   Always       -       41 (Lifetime Min/Max 0/31)
> 195 Hardware_ECC_Recovered  0x001a   062   062   000    Old_age   Always       -       184671713
> 197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always       -       0
> 198 Offline_Uncorrectable   0x0010   100   100   000    Old_age   Offline      -       0
> 199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0
> 200 Multi_Zone_Error_Rate   0x0000   100   253   000    Old_age   Offline      -       0
> 202 TA_Increase_Count       0x0032   100   253   000    Old_age   Always       -       0
> 
> Note Poweron hours, 9
> 
> And both the #7 and #195 errors are incrementing at several per second rates.
> 
> I can't believe this drive won't die shortly, or am I barking up the wrong tree
> on both the old hda, and this new hdd?

First thing, check your power supply.  I'll bet it's dying a slow death.
Weird seek errors and such on a new drive is a pretty good indication
that the 12V line is getting weak.
----------------------------------------------------------------------
- Rick Stevens, Principal Engineer             rstevens at internap.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-     If you can't beat your computer at chess...try kickboxing!     -
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