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 Post subject: 4k sector disk ?
PostPosted: Sat Aug 24, 2013 8:46 am 
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Newbie

Joined: Wed Jan 02, 2013 11:13 pm
Posts: 9
Hi

I have an TS-XEL terastation.

He have 4 disk : 3x512Gb and 1x2Tb disk.

He is rooted with an full Debian distribution.

I bougth an 4Tb hard drive but the drive is an 4k sectors.

If I connect it on an USB port it works.

Can I replace an 512Gb drive with this 4Tb ?

Do I must change an firmware ?

Regards Gael


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 Post subject: Re: 4k sector disk ?
PostPosted: Sat Aug 24, 2013 9:38 am 
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Moderator

Joined: Fri Jun 29, 2007 10:39 am
Posts: 2604
I think, it depends on the kernel version your Debian is
using. As far as I can remember, the 4k sector support
was introduced in some kernel version and versions before
this, need special patches.

_________________
Please do not use private mail (PN/M) to ask questions. Use the proper forum instead. (me)

If there is no verified backup of a dataset, the dataset, by definition, is unimportant. (c't 2012)

RAID (no matter which level) never ever substitutes a backup. (me)


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 Post subject: Re: 4k sector disk ?
PostPosted: Sat Aug 24, 2013 10:14 am 
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Newbie

Joined: Wed Jan 02, 2013 11:13 pm
Posts: 9
My kernel is :

Linux TS-XEL 2.6.31.8_GALOULA_V1 #7 Wed Jan 9 09:43:24 CET 2013 armv5tel

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Sat Aug 24 08:50:42 2013 from e6320
root@TS-XEL:~# uname -a
Linux TS-XEL 2.6.31.8_GALOULA_V1 #7 Wed Jan 9 09:43:24 CET 2013 armv5tel GNU/Linux


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 Post subject: Re: 4k sector disk ?
PostPosted: Sun Aug 25, 2013 8:11 am 
Offline
Moderator

Joined: Fri Jun 29, 2007 10:39 am
Posts: 2604
According to Seagate, 2.6.34 is the first kernel to fully
support 4k sector disks.

_________________
Please do not use private mail (PN/M) to ask questions. Use the proper forum instead. (me)

If there is no verified backup of a dataset, the dataset, by definition, is unimportant. (c't 2012)

RAID (no matter which level) never ever substitutes a backup. (me)


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 Post subject: Re: 4k sector disk ?
PostPosted: Tue Sep 10, 2013 5:43 pm 
Offline
Newbie

Joined: Wed Jan 02, 2013 11:13 pm
Posts: 9
Hi !
I have a result of my test :

I hace copy GPT partition table on USB disk 4To, sync the RAID, and unmount the disk and put it into the NAS and boot only with thi disk.

--> NOT WORK.

I have boot my NAS with only 1 (old) disk of 512Gb, and remake GPT tables. Resync OS.

Remove the 512Gb disk. Boot only with the 4Tb disk :

IT'S WORKS !!!

Why ?

I have check :

With USB-SATA Bridge :

Disk /dev/sdb: 4000.8 GB, 4000787025920 bytes
255 heads, 63 sectors/track, 60800 cylinders
Units = cylinders of 16065 * 4096 = 65802240 bytes
Sector size (logical/physical): 4096 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000

WithOUT the USB-SATA bridge (directly in the NAS SATA port) :
Disk /dev/sdb: 4000.8 GB, 4000787030016 bytes
255 heads, 63 sectors/track, 486401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000


Info :
My kernel is:
Linux TS-XEL 2.6.31.8_GALOULA_V1 #7 Wed Jan 9 09:43:24 CET 2013 armv5tel


Very cool !

Now my NAS have
1x4Tb
1x2Tb
2x512Gb

All WORKS FINE !


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