Cannot replace disk, devices have different sector alignment

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fai0

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Sep 6, 2013
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Hi

I am running FreeNAS 9.1.1 on VMWare ESXi 5.1 (As I use that at home for 3 users and i need that server for several purpose, so I run that on VM.)
The FreeNAS has been use since 8.0 and currently it has 10 disk connected. 2 pool has been created, 1 from 4x 1T vmdk and other from 4x 2T VMDK. All VMDK store on different physical hard drive

Recently few of the segate hard drives dies one by one, so i decide to change to other brand. But when I attach a WD hard drive to the ESXi host, create a 2TB VMDK, attach to FreeNAS and start disk replace process, following error shown:

cannot replace /dev/gptid/64305b8f-97e2-11e1-8ca3-000c29673fa6 with /dev/da8p2: devices have different sector alignment

I have replace several drive before and I am pretty sure the procedure I am using is fine. And when I check the sector size of those VMDK, all report as 512 (da8 is new vmdk, da9 is existing)

[root@soho] /dev# diskinfo -v da8 (WD HD)
da8
512 # sectorsize
2199023254528 # mediasize in bytes (2T)
4294967294 # mediasize in sectors
0 # stripesize
0 # stripeoffset
267349 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
# Disk ident.

[root@soho] /dev# diskinfo -v da9 (Segate HD)
da9
512 # sectorsize
2199023254528 # mediasize in bytes (2T)
4294967294 # mediasize in sectors
0 # stripesize
0 # stripeoffset
267349 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
# Disk ident.


I have google above error and most of them really related to sector size, but in my case it seems the sector size is same. Any advise / comment is welcome.

Fai
 

cyberjock

Inactive Account
Joined
Mar 25, 2012
Messages
19,526
I don't have any ideas how to help. Doing RDM is a recipe for data-suicide. Stickies around the forum make it pretty clear that virtualizing is pretty damn risky.

Good luck.
 

fai0

Cadet
Joined
Sep 6, 2013
Messages
3
I have change the WD disk back to Segate disk but still not luck. I am not using RDM but using VMDK.
I never faced that on FreeNAS 8.x, could it possibly a bug?
 
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