* metadata update
@ 2009-12-19 12:09 Jakob-Tobias Winter
2009-12-20 22:11 ` Neil Brown
0 siblings, 1 reply; 3+ messages in thread
From: Jakob-Tobias Winter @ 2009-12-19 12:09 UTC (permalink / raw)
To: Linux RAID
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Hey there,
my raidsets are still using 0.91 and I might want to upgrade to the
newer metadata. - The system is running kernel 2.6.32.1 x86_64 with
mdadm v3.0.3.
Are there benefits to upgrading or should I stay with my current
metadata version?
Cheers
Tobias
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: metadata update
2009-12-19 12:09 metadata update Jakob-Tobias Winter
@ 2009-12-20 22:11 ` Neil Brown
2009-12-21 10:24 ` Jakob-Tobias Winter
0 siblings, 1 reply; 3+ messages in thread
From: Neil Brown @ 2009-12-20 22:11 UTC (permalink / raw)
To: Jakob-Tobias Winter; +Cc: Linux RAID
On Sat, 19 Dec 2009 13:09:03 +0100
Jakob-Tobias Winter <jakob-tobias.winter@1und1.de> wrote:
> Hey there,
>
> my raidsets are still using 0.91 and I might want to upgrade to the
> newer metadata. - The system is running kernel 2.6.32.1 x86_64 with
> mdadm v3.0.3.
0.91 is only used during a reshape - e.g. adding a device to a RAID5.
Once the reshape completes it will revert to 0.90.
>
> Are there benefits to upgrading or should I stay with my current
> metadata version?
You cannot upgrade the metadata on an array. You can only create a new array
with new metadata.
If you create a new array with current mdadm you will get v1.1 metadata.
If what you have works, there is no need to change it.
NeilBrown
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: metadata update
2009-12-20 22:11 ` Neil Brown
@ 2009-12-21 10:24 ` Jakob-Tobias Winter
0 siblings, 0 replies; 3+ messages in thread
From: Jakob-Tobias Winter @ 2009-12-21 10:24 UTC (permalink / raw)
To: Neil Brown; +Cc: Linux RAID
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Neil Brown wrote:
> If what you have works, there is no need to change it.
It works well. Thank you for clearing this up. :)
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2009-12-19 12:09 metadata update Jakob-Tobias Winter
2009-12-20 22:11 ` Neil Brown
2009-12-21 10:24 ` Jakob-Tobias Winter
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