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Readynas 104 - Drive replacement / drive addition

ShoGinn
Tutor

Readynas 104 - Drive replacement / drive addition

BLUF: Purchased 2 new WD Red 3tb Drives (WD30EFRX) to add to my existing 3x 1tb Drives. Which drive do I remove and in which order? Add the 4th and wait add and remove?

 

So that Bottom Line up Front should give you an idea of what im asking, I did some searches on how to add drives or replace drives, but since I only have 3 drives in my 104 I just want to make sure Im doing it correctly.

 

I purchased this ReadyNAS to get some data redundancy on my network (media etc), so I am using my old workstation drives in the NAS (I know bad idea, but I already built the array before researching).

 

Here are the drives and their SMART specs:

 

Model Family:     Western Digital Caviar Green
Device Model:     WDC WD10EADS-11M2B1
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     0x002f   200   170   051    Pre-fail  Always       -       0
  3 Spin_Up_Time            0x0027   124   107   021    Pre-fail  Always       -       6800
  4 Start_Stop_Count        0x0032   055   055   000    Old_age   Always       -       45074
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   100   253   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   052   052   000    Old_age   Always       -       35631
 10 Spin_Retry_Count        0x0032   100   100   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       517
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       229
193 Load_Cycle_Count        0x0032   180   180   000    Old_age   Always       -       61742
194 Temperature_Celsius     0x0022   104   089   000    Old_age   Always       -       43
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       0
Model Family:     Western Digital Caviar Green (AF)
Device Model:     WDC WD10EARS-00Y5B1
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail  Always       -       0
  3 Spin_Up_Time            0x0027   191   185   021    Pre-fail  Always       -       6441
  4 Start_Stop_Count        0x0032   094   094   000    Old_age   Always       -       6277
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   100   253   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   062   062   000    Old_age   Always       -       28299
 10 Spin_Retry_Count        0x0032   100   100   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       514
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       351
193 Load_Cycle_Count        0x0032   038   038   000    Old_age   Always       -       487882
194 Temperature_Celsius     0x0022   101   098   000    Old_age   Always       -       46
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       0
Model Family:     Western Digital Black
Device Model:     WDC WD1002FAEX-00Y9A0
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail  Always       -       21
  3 Spin_Up_Time            0x0027   174   171   021    Pre-fail  Always       -       4291
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       991
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   100   253   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   065   064   000    Old_age   Always       -       26270
 10 Spin_Retry_Count        0x0032   100   100   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       507
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       240
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       750
194 Temperature_Celsius     0x0022   101   092   000    Old_age   Always       -       46
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       0

 

Drive Usage

Filesystem      1K-blocks      Used Available Use% Mounted on
/dev/md127     1943821568 997890704 944950192  52% /data

 

So As you can see I have two greens and a black WD drives, I have tried to decide if its most risky to keep the black in their or pull the black.

 

 

Let me know team!

 

I appreciate the asistance.

 

 

Model: RN10400|ReadyNAS 100 Series 4- Bay (Diskless)
Message 1 of 10

Accepted Solutions
StephenB
Guru

Re: Readynas 104 - Drive replacement / drive addition


@ShoGinn wrote:

 

Now which drive should I remove from my pool?

 

  


Since none of drives have errors, remove the one with very high load cycle count (which is the WD10EARS). 

View solution in original post

Message 10 of 10

All Replies
JennC
NETGEAR Employee Retired

Re: Readynas 104 - Drive replacement / drive addition

Hello ShoGinn,

 

What is the firmware version of your ReadyNAS 104? This logs you sent appears to be the same with OS4 (legacy NAS) smart logs.

 

Are you trying to replace 2 of the 3 old disks with the 2 new disks? If so, this is a bit complicated but can be done, you just might encounter error while doing the expansion because you will do the horizontal and vertical expansion.

 

This might help you understand: How can I expand the storage capacity of an existing volume on my ReadyNAS OS 6 storage system?

 

Regards,

Message 2 of 10
ShoGinn
Tutor

Re: Readynas 104 - Drive replacement / drive addition

I am using the latest firmware 6.4.2

 

The interface does not allow an easy pull of SMART info so I just did an SSH and smartctl -I the drives...

 

Maybe I just didnt dig around in the interface well enough?

 

Can you enlighten me on how to get these logs without SSH?

 

----

My goal is to install 2 drives; this will mean removing one drive (so I have a total of 4 drives installed)

Message 3 of 10
JennC
NETGEAR Employee Retired

Re: Readynas 104 - Drive replacement / drive addition

Hello ShoGinn,

 

I see, now I understand why 🙂

 

Here's an article how to get to the smart logs: ReadyNAS: Reallocated sector errors increasing on disk(s)


@ShoGinn wrote:

 

My goal is to install 2 drives; this will mean removing one drive (so I have a total of 4 drives installed)


 

If you can backup the data, please do so you can factory reset the NAS with all the disks that you want to use, tht will allow you to create a new volume then you can restore the data. That way much better than doing that volume expansion you are planning.

 

Regards,

Message 4 of 10
ShoGinn
Tutor

Re: Readynas 104 - Drive replacement / drive addition

I guess that is counter-intuitive to the X-Raid mindset?

 

I thought that the whole point of this sytem is so I can install a new drive and it will expand the volume?

 

 

Message 5 of 10
JennC
NETGEAR Employee Retired

Re: Readynas 104 - Drive replacement / drive addition

Hello ShoGinn,

 

The steps for horizontal and vertical expansion are for XRAID. I was just suggesting the backup and reset so it's faster and less complicated.

 

Regards,

Message 6 of 10
ShoGinn
Tutor

Re: Readynas 104 - Drive replacement / drive addition

Excellent suggestion 😉 

 

Now which drive should I remove from my pool?

 

None of them have sector errors and only one is slightly older than the rest.

 

Is the Black drive my worst case in this device?

 

 

Message 7 of 10
JennC
NETGEAR Employee Retired

Re: Readynas 104 - Drive replacement / drive addition

Hello ShoGinn,

 

Reallocated Sector and Current Pending errors are the ones you need to check in the smart logs, it is also important to look at the ATA errors of the disks. Based on the logs you sent, all three disks are good though I haven't seen the ATA errors.

 

If you are to follow the volume expansion steps, I think it is better to do the vertical expansion first, that means replacing one of the 3 1TB disks with 3TB disk which will give you 2x1TB and 1x3TB then once it is done synching, add the last 3TB disk as the 4th disk (horizontal expansion).

 

I'd say still, backup the data, we always strongly recommend to always have full backup of the data 😉

 

Regards,

Message 8 of 10
ShoGinn
Tutor

Re: Readynas 104 - Drive replacement / drive addition

Backing up now! Thanks for the advice.
Message 9 of 10
StephenB
Guru

Re: Readynas 104 - Drive replacement / drive addition


@ShoGinn wrote:

 

Now which drive should I remove from my pool?

 

  


Since none of drives have errors, remove the one with very high load cycle count (which is the WD10EARS). 

Message 10 of 10
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