Re: gpt labels for zfs partitions don't appear in /dev/gpt
W dniu 2011-06-15 14:12, Andrey V. Elsukov pisze:
On 15.06.2011 15:43, Bartosz Stec wrote:
As you see I have ada{0-2}p3 labeled as disk{0-2} All labeled partitions have
valid gpt id but
zfs partitions don't have accesible gpt label in /dev/gpt:
It always worked so. Read geom(4) manual page, especially about SPOILING.
Ah, I see your point now.
As you see labels was firstly seen, but removed at the end. I tried to set
blank label and then
correct one again, but no luck.
Any ideas what's possibly wrong here?
There are two reasons:
1. glabel does not create providers for providers which are already in use.
2. `gpart modify` does not touch partition provider and it is not spoiled and
retasted.
Problem appeared after my pool was broken and I imported it from some boot CD to fix
this by "import
-F".
Now I have unreadable output from zpool commands, like this:
NAMESTATE READ WRITE
CKSUM
zroot ONLINE 0 0
0
raidz1-0 ONLINE 0 0
0
gptid/2ea57c66-bc69-11df-8955-0050dad823cd ONLINE 0 0
0
gptid/5bc92016-6852-11df-a16c-0050dad823cd ONLINE 0 0
0
gptid/87d467cc-bc3b-11df-8066-0050dad823cd ONLINE 0 0
0
You can disable gptids and this output will be changed back:
echo kern.geom.label.gptid.enable="0">> /boot/loader.conf
Yes, indeed it did the trick. Thank you for your detailed explanation.
--
Bartosz Stec
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Re: gpt labels for zfs partitions don't appear in /dev/gpt
On 15.06.2011 15:43, Bartosz Stec wrote:
> As you see I have ada{0-2}p3 labeled as disk{0-2} All labeled partitions have
> valid gpt id but
> zfs partitions don't have accesible gpt label in /dev/gpt:
It always worked so. Read geom(4) manual page, especially about SPOILING.
> As you see labels was firstly seen, but removed at the end. I tried to set
> blank label and then
> correct one again, but no luck.
> Any ideas what's possibly wrong here?
There are two reasons:
1. glabel does not create providers for providers which are already in use.
2. `gpart modify` does not touch partition provider and it is not spoiled and
retasted.
> Problem appeared after my pool was broken and I imported it from some boot CD
> to fix this by "import
> -F".
>
> Now I have unreadable output from zpool commands, like this:
>
> NAMESTATE READ WRITE
> CKSUM
> zroot ONLINE 0 0
>0
> raidz1-0 ONLINE 0 0
>0
> gptid/2ea57c66-bc69-11df-8955-0050dad823cd ONLINE 0 0
>0
> gptid/5bc92016-6852-11df-a16c-0050dad823cd ONLINE 0 0
>0
> gptid/87d467cc-bc3b-11df-8066-0050dad823cd ONLINE 0 0
>0
>
You can disable gptids and this output will be changed back:
echo kern.geom.label.gptid.enable="0" >> /boot/loader.conf
--
WBR, Andrey V. Elsukov
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gpt labels for zfs partitions don't appear in /dev/gpt
Hi list,
please take a look at this:
#gpart show
=> 34 80293181 ada0 GPT (38G)
34 128 1 freebsd-boot (64k)
162 2097152 2 freebsd-swap (1.0G)
2097314 76068013 3 freebsd-zfs (36G)
78165327 2127888- free - (1.0G)
=> 34 78165293 ada1 GPT (37G)
34 128 1 freebsd-boot (64k)
162 2097152 2 freebsd-swap (1.0G)
2097314 76068013 3 freebsd-zfs (36G)
=> 34 80293181 ada2 GPT (38G)
34 128 1 freebsd-boot (64k)
162 2097152 2 freebsd-swap (1.0G)
2097314 76068013 3 freebsd-zfs (36G)
78165327 2127888- free - (1.0G)
# gpart show -l
=> 34 80293181 ada0 GPT (38G)
34 128 1 (null) (64k)
162 2097152 2 swap0 (1.0G)
2097314 76068013 3 disk0 (36G)
78165327 2127888- free - (1.0G)
=> 34 78165293 ada1 GPT (37G)
34 128 1 (null) (64k)
162 2097152 2 swap1 (1.0G)
2097314 76068013 3 disk1 (36G)
=> 34 80293181 ada2 GPT (38G)
34 128 1 (null) (64k)
162 2097152 2 swap2 (1.0G)
2097314 76068013 3 disk2 (36G)
78165327 2127888- free - (1.0G)
As you see I have ada{0-2}p3 labeled as disk{0-2}
All labeled partitions have valid gpt id but zfs partitions don't have
accesible gpt label in /dev/gpt:
# glabel list
Geom name: ada0p1
Providers:
1. Name: gptid/fe8c7129-bc68-11df-8955-0050dad823cd
Mediasize: 65536 (64k)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 17408
Mode: r0w0e0
secoffset: 0
offset: 0
seclength: 128
length: 65536
index: 0
Consumers:
1. Name: ada0p1
Mediasize: 65536 (64k)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 17408
Mode: r0w0e0
Geom name: ada0p2
Providers:
1. Name: gpt/swap0
Mediasize: 1073741824 (1.0G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 82944
Mode: r1w1e1
secoffset: 0
offset: 0
seclength: 2097152
length: 1073741824
index: 0
Consumers:
1. Name: ada0p2
Mediasize: 1073741824 (1.0G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 82944
Mode: r1w1e2
Geom name: ada0p3
Providers:
1. Name: gptid/2ea57c66-bc69-11df-8955-0050dad823cd
Mediasize: 38946822656 (36G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1073824768
Mode: r1w1e1
secoffset: 0
offset: 0
seclength: 76068013
length: 38946822656
index: 0
Consumers:
1. Name: ada0p3
Mediasize: 38946822656 (36G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1073824768
Mode: r1w1e2
Geom name: ada1p1
Providers:
1. Name: gptid/060c432a-6852-11df-a16c-0050dad823cd
Mediasize: 65536 (64k)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 17408
Mode: r0w0e0
secoffset: 0
offset: 0
seclength: 128
length: 65536
index: 0
Consumers:
1. Name: ada1p1
Mediasize: 65536 (64k)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 17408
Mode: r0w0e0
Geom name: ada1p2
Providers:
1. Name: gpt/swap1
Mediasize: 1073741824 (1.0G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 82944
Mode: r1w1e1
secoffset: 0
offset: 0
seclength: 2097152
length: 1073741824
index: 0
Consumers:
1. Name: ada1p2
Mediasize: 1073741824 (1.0G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 82944
Mode: r1w1e2
Geom name: ada1p3
Providers:
1. Name: gptid/5bc92016-6852-11df-a16c-0050dad823cd
Mediasize: 38946822656 (36G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1073824768
Mode: r1w1e1
secoffset: 0
offset: 0
seclength: 76068013
length: 38946822656
index: 0
Consumers:
1. Name: ada1p3
Mediasize: 38946822656 (36G)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 1073824768
Mode: r1w1e2
Geom name: ada2p1
Providers:
1. Name: gptid/c506cc78-bc3a-11df-8066-0050dad823cd
Mediasize: 65536 (64k)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 17408
Mode: r0w0e0
secoffset: 0
offset: 0
seclength: 128
length: 65536
index: 0
Consumers:
1. Name: ada2p1
Mediasize: 65536 (64k)
Sectorsize: 512
Stripesize: 0
Stripeoffset: 17408
Mode: r0w0e0
Geom name: ada2p2
Providers:
1. Name: gpt/swap2
Mediasize: 1073741824 (1.0G)
Sectorsize: 512
Stripesize: 0
